BD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040001}, 0x20048080) (async) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r5, 0x800443d2, &(0x7f0000000240)={0x5, &(0x7f0000000380)=[{@fixed}, {@none}, {}, {@fixed}, {@fixed}]}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x70, r1, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '/+(#[('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6000000000000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xac9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x41040}, 0x881) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r8 = socket(0x23, 0x6, 0x0) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) setsockopt$RDS_CONG_MONITOR(r9, 0x114, 0x6, &(0x7f0000000640)=0x1, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb8, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffe}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r5, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff01}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xb27dcda4ce68c87d}]}, 0x64}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000600)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000480)={0x134, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSLVLLST={0x80, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xad}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x77}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x28}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44e8942a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ab15c17}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f1209b4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbe}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x52776ac3}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x40, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa456}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdff1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2242cf99}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2ba1}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4561}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5dd3}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MLSCATLST={0x48, 0xc, 0x0, 0x1, [{0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1079ea9d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2eb63ae7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d8df75a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x706b2d5e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c94319b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x16cc9d48}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb7b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2ee67462}]}]}]}, 0x134}, 0x1, 0x0, 0x0, 0x90}, 0x40) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000c571a3c68f8a9bbfc5fc000000000000000454bde5940f6c40137a38e518f9a44cefe806b7a593b6e21240fc5b2315a4acfdb9c5d07381cd7e1309785954f6173aec345ad9243fae68061a7ef6f5", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x78, r1, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x78}}, 0x4000000) 12:48:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, 0x0, 0x10}, 0x14}}, 0x0) [ 1708.795953] nbd: must specify a device to reconfigure [ 1708.815240] nbd: must specify at least one socket 12:48:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 12:48:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (rerun: 32) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x68, 0x7, 0x0, 0x1, [{0x0, 0x1, r3}, {0x0, 0x1, r3}, {0x0, 0x1, r3}, {0x0, 0x1, r3}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async) socket$inet_smc(0x2b, 0x1, 0x0) (async) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r5, &(0x7f0000000540)="6f1d3ab9edeafe4959beb2196ec17b7c481f56bbc61cc69ab8f71429fc1466805569dc563c88b192b8a977a353ec3e448ef923a9a1de695b6d7285b4476b0bf7667a3689a4c968ec5e9ffef40a64bea4f25c7740c1ad0a259ab37bf5a3864c63946ad9fd0abdc2491261bc664384150cdefc91b257e270bfb9a66ec85174888041f748b57edb0a05fe1a1fbadfc25dbc5d7ba3a9b2a304c17c34ae13609fdeb10cd4a0c1835d1aa19c130e3525473fc03a9d11a3120d032c829b80f1bd3c32045a0787fb8334e58b89d93864c6437d8682ca1fbe3685", &(0x7f0000000440)=@buf="08149f276d324fa52b5ccf33cf4967ea83b5b23775a28496aec18de3af9fc404f8bb9a5f0a0c1a5a813afd99f635f9e113f163e148acef11c813714af2a9532cca95cac5c77e7039aa67dc63b370deb8b70cfb2d54e66b3eee11a47272ee98634f3cb088d215d394ed1ccd8a023cdb0b82746726ede531637fec59843ea06c368a53223a19b9b088db25500bb00a6cc93c9b779cd8c7eea37a1b624a3572a95e8531b428fcc67c68008c323c9f01393653c2bff0abb83b127b74632f6fdd7df486f521ce2a9d6f11ba3c24220f46881af84f2a12d3888074a2f23bb8da02ccbd511cb1", 0x4}, 0x20) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async, rerun: 64) ioctl$sock_kcm_SIOCKCMCLONE(r3, 0x89e2, &(0x7f0000000240)) (async, rerun: 64) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0x14, r8, 0x200, 0x70bd28, 0x25dfdbf8}, 0x14}, 0x1, 0x0, 0x0, 0x41}, 0x20000000) 12:48:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000c571a3c68f8a9bbfc5fc000000000000000454bde5940f6c40137a38e518f9a44cefe806b7a593b6e21240fc5b2315a4acfdb9c5d07381cd7e1309785954f6173aec345ad9243fae68061a7ef6f5", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x78, r1, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x78}}, 0x4000000) [ 1708.918064] nbd: must specify a device to reconfigure [ 1708.932868] nbd: must specify a device to reconfigure [ 1708.950672] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 12:48:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r4, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) r5 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000001c0), 0x4) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000200)={r4, r5}) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x108, 0x0, 0x200, 0x70bd2d, 0x3, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xf4, 0xc, 0x0, 0x1, [{0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x757f60d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6c3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fb4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5eb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf334}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b305116}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58ed8f7f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb3e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2924fffd}]}, {0x4}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d09f3df}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa956}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f86848d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fdb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3b8be650}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x446b7952}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cf210eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb3ccab2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fab}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2f44}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1d387f13}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59475b4a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x24bb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x125c77ab}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33b5ddb8}]}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x2000c001}, 0x44008040) [ 1708.966176] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 12:48:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x28, r1, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000010) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x44, r1, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8}, 0xd0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000100001504000780"], 0x18}}, 0x0) 12:48:15 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$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r8 = socket(0x23, 0x6, 0x0) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) setsockopt$RDS_CONG_MONITOR(r9, 0x114, 0x6, &(0x7f0000000640)=0x1, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb8, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffe}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r5, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff01}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xb27dcda4ce68c87d}]}, 0x64}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000600)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000480)={0x134, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSLVLLST={0x80, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xad}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x77}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x28}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44e8942a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ab15c17}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f1209b4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbe}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x52776ac3}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x40, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa456}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdff1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2242cf99}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2ba1}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4561}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5dd3}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MLSCATLST={0x48, 0xc, 0x0, 0x1, [{0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1079ea9d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2eb63ae7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d8df75a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x706b2d5e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c94319b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x16cc9d48}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb7b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2ee67462}]}]}]}, 0x134}, 0x1, 0x0, 0x0, 0x90}, 0x40) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 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$nbd(&(0x7f0000000280), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) (async) socket(0x23, 0x6, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) setsockopt$RDS_CONG_MONITOR(r9, 0x114, 0x6, &(0x7f0000000640)=0x1, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb8, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffe}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r5, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff01}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xb27dcda4ce68c87d}]}, 0x64}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000600)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000480)={0x134, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSLVLLST={0x80, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xad}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x77}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x28}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44e8942a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ab15c17}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f1209b4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbe}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x52776ac3}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x40, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa456}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdff1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2242cf99}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2ba1}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4561}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5dd3}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MLSCATLST={0x48, 0xc, 0x0, 0x1, [{0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1079ea9d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2eb63ae7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d8df75a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x706b2d5e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c94319b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x16cc9d48}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb7b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2ee67462}]}]}]}, 0x134}, 0x1, 0x0, 0x0, 0x90}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:15 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) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, 0x0, 0x10}, 0x14}}, 0x0) 12:48:15 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 12:48:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r4, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) r5 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000001c0), 0x4) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000200)={r4, r5}) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x108, 0x0, 0x200, 0x70bd2d, 0x3, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xf4, 0xc, 0x0, 0x1, [{0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x757f60d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6c3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fb4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5eb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf334}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b305116}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58ed8f7f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb3e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2924fffd}]}, {0x4}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d09f3df}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa956}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f86848d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fdb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3b8be650}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x446b7952}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cf210eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb3ccab2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fab}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2f44}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1d387f13}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59475b4a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x24bb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x125c77ab}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33b5ddb8}]}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x2000c001}, 0x44008040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) (async) socket$inet_tcp(0x2, 0x1, 0x0) (async) setsockopt$inet_tcp_TCP_MD5SIG(r4, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000001c0), 0x4) (async) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000200)={r4, r5}) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x108, 0x0, 0x200, 0x70bd2d, 0x3, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xf4, 0xc, 0x0, 0x1, [{0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x757f60d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6c3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fb4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5eb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf334}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b305116}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58ed8f7f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb3e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2924fffd}]}, {0x4}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d09f3df}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa956}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f86848d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fdb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3b8be650}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x446b7952}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cf210eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb3ccab2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fab}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2f44}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1d387f13}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59475b4a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x24bb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x125c77ab}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33b5ddb8}]}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x2000c001}, 0x44008040) (async) [ 1709.043019] nbd: must specify a size in bytes for the device [ 1709.055412] nbd: must specify a device to reconfigure 12:48:15 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, 0x0, 0x10}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, 0x0, 0x10}, 0x14}}, 0x0) (async) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r4, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) r5 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000001c0), 0x4) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000200)={r4, r5}) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x108, 0x0, 0x200, 0x70bd2d, 0x3, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xf4, 0xc, 0x0, 0x1, [{0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x757f60d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6c3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fb4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5eb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf334}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b305116}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58ed8f7f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb3e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2924fffd}]}, {0x4}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d09f3df}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa956}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f86848d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fdb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3b8be650}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x446b7952}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cf210eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb3ccab2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fab}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2f44}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1d387f13}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59475b4a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x24bb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x125c77ab}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33b5ddb8}]}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x2000c001}, 0x44008040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) (async) socket$inet_tcp(0x2, 0x1, 0x0) (async) setsockopt$inet_tcp_TCP_MD5SIG(r4, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000001c0), 0x4) (async) ioctl$sock_kcm_SIOCKCMATTACH(r3, 0x89e0, &(0x7f0000000200)={r4, r5}) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x108, 0x0, 0x200, 0x70bd2d, 0x3, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xf4, 0xc, 0x0, 0x1, [{0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x757f60d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6c3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fb4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5eb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf334}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b305116}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58ed8f7f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb3e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2924fffd}]}, {0x4}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d09f3df}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa956}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f86848d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fdb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3b8be650}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x446b7952}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cf210eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb3ccab2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9fab}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2f44}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1d387f13}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59475b4a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x24bb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x125c77ab}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33b5ddb8}]}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x2000c001}, 0x44008040) (async) 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 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$nbd(&(0x7f0000000280), r6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) (async) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) (async) 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x4, 0x0, 0x25dfdbfb}, 0x14}}, 0x24000010) 12:48:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x28, r1, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000010) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x44, r1, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8}, 0xd0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000100001504000780"], 0x18}}, 0x0) [ 1709.204754] nbd: must specify a device to reconfigure [ 1709.218679] nbd: must specify a size in bytes for the device [ 1709.243452] nbd: must specify a size in bytes for the device 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) (rerun: 64) r8 = socket(0x23, 0x6, 0x0) (async) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) setsockopt$RDS_CONG_MONITOR(r9, 0x114, 0x6, &(0x7f0000000640)=0x1, 0x4) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb8, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffe}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0xb8}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r5, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff01}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xb27dcda4ce68c87d}]}, 0x64}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) (async, rerun: 64) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000600)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000480)={0x134, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSLVLLST={0x80, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xad}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x77}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x28}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44e8942a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ab15c17}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f1209b4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbe}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x52776ac3}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x40, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa456}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdff1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2242cf99}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2ba1}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4561}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5dd3}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MLSCATLST={0x48, 0xc, 0x0, 0x1, [{0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1079ea9d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2eb63ae7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d8df75a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x706b2d5e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c94319b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x16cc9d48}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb7b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2ee67462}]}]}]}, 0x134}, 0x1, 0x0, 0x0, 0x90}, 0x40) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:16 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x4, 0x0, 0x25dfdbfb}, 0x14}}, 0x24000010) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x4, 0x0, 0x25dfdbfb}, 0x14}}, 0x24000010) (async) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r3, 0x54a3) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r3, 0x40485404, &(0x7f0000000000)={{0xffffffffffffffff, 0x1, 0x81, 0x3, 0x7ff}, 0x0, 0x2}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r4, 0x11, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+#!{{@]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x2000c090}, 0x48000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x4008010) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r5, &(0x7f0000000380)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x2fc, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x18c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xea2609}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3dbee2fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x802f6f5}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x681b78c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7bb399bd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69546820}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a78fd27}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x709581e4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5aac3781}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2d79afc9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x78d2707d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x143e3f3f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x46ffa477}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc05c026}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5934d2df}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59cb9d78}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7877ff47}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc0c9d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x76}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x366417ba}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1cbd8fd2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c3d2ba3}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}]}, {0x4}]}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x7}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x114, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ac0a69e}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x636be8b0}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x11}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4557c803}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25061239}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4dfcf173}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a50debb}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5e5d966b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c4559a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x632f66cf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18631fd4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16c08a5c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x643c9a9e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x93}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x67d032da}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8a053e0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x59}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1980feff}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42857690}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cabde6b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x63}]}]}]}, 0x2fc}, 0x1, 0x0, 0x0, 0x20000091}, 0x1) 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x48, r1, 0x304, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '&}@-'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x20060040}, 0x40) 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x28, r1, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8015}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair(0x27, 0x80000, 0x8, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xa0, r4, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x237}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000840}, 0x40) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r3, 0x54a3) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r3, 0x40485404, &(0x7f0000000000)={{0xffffffffffffffff, 0x1, 0x81, 0x3, 0x7ff}, 0x0, 0x2}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r4, 0x11, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+#!{{@]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x2000c090}, 0x48000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x4008010) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r5, &(0x7f0000000380)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x2fc, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x18c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xea2609}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3dbee2fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x802f6f5}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x681b78c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7bb399bd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69546820}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a78fd27}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x709581e4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5aac3781}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2d79afc9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x78d2707d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x143e3f3f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x46ffa477}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc05c026}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5934d2df}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59cb9d78}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7877ff47}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc0c9d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x76}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x366417ba}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1cbd8fd2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c3d2ba3}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}]}, {0x4}]}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x7}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x114, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ac0a69e}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x636be8b0}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x11}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4557c803}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25061239}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4dfcf173}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a50debb}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5e5d966b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c4559a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x632f66cf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18631fd4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16c08a5c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x643c9a9e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x93}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x67d032da}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8a053e0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x59}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1980feff}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42857690}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cabde6b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x63}]}]}]}, 0x2fc}, 0x1, 0x0, 0x0, 0x20000091}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) (async) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r3, 0x54a3) (async) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r3, 0x40485404, &(0x7f0000000000)={{0xffffffffffffffff, 0x1, 0x81, 0x3, 0x7ff}, 0x0, 0x2}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r4, 0x11, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+#!{{@]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x2000c090}, 0x48000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x4008010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r5, &(0x7f0000000380)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x2fc, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x18c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xea2609}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3dbee2fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x802f6f5}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x681b78c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7bb399bd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69546820}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a78fd27}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x709581e4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5aac3781}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2d79afc9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x78d2707d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x143e3f3f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x46ffa477}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc05c026}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5934d2df}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59cb9d78}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7877ff47}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc0c9d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x76}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x366417ba}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1cbd8fd2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c3d2ba3}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}]}, {0x4}]}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x7}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x114, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ac0a69e}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x636be8b0}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x11}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4557c803}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25061239}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4dfcf173}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a50debb}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5e5d966b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c4559a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x632f66cf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18631fd4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16c08a5c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x643c9a9e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x93}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x67d032da}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8a053e0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x59}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1980feff}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42857690}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cabde6b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x63}]}]}]}, 0x2fc}, 0x1, 0x0, 0x0, 0x20000091}, 0x1) (async) 12:48:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x28, r1, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000010) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x44, r1, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8}, 0xd0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000100001504000780"], 0x18}}, 0x0) [ 1709.368143] nbd: must specify a device to reconfigure [ 1709.385006] nbd: must specify an index to disconnect [ 1709.401915] nbd: must specify at least one socket 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x48, r1, 0x304, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '&}@-'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x20060040}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x48, r1, 0x304, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '&}@-'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x20060040}, 0x40) (async) 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$inet_smc(0x2b, 0x1, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000001500)={&(0x7f00000012c0)={0x10, 0x0, 0x0, 0x101220}, 0xc, &(0x7f0000001300)={&(0x7f0000001480)={0x60, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa10d809edde30411}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@\xd7'}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x41) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000001380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000001340)={&(0x7f00000013c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00042abd7000fddbdf2505000000080001000000000008000a006e62640008000100000000000c00030010040000000000000c000400030000000000000008000100000000002c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="180bdfc5b19dc9ce4aad5ab249663dcc87150b7d29f1828f28a850238b63d9db75e95925c55dc8"], 0x78}, 0x1, 0x0, 0x0, 0x4000884}, 0x891) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r3, 0x6, 0x23, &(0x7f00000000c0)={&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, &(0x7f0000000000)=""/77, 0x4d, 0x1, &(0x7f00000002c0)=""/4096, 0x1000}, &(0x7f0000000100)=0x40) 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x4, 0x0, 0x25dfdbfb}, 0x14}}, 0x24000010) [ 1709.467315] nbd: must specify at least one socket 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x28, r1, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8015}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair(0x27, 0x80000, 0x8, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xa0, r4, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x237}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000840}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x28, r1, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8015}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) socketpair(0x27, 0x80000, 0x8, &(0x7f00000000c0)) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xa0, r4, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x237}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000840}, 0x40) (async) 12:48:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_persist_mode\x00', 0x2, 0x0) recvmsg$kcm(r1, &(0x7f0000000240)={&(0x7f00000001c0)=@pppoe={0x18, 0x0, {0x0, @link_local}}, 0x80, &(0x7f0000000100)=[{&(0x7f00000002c0)=""/133, 0x85}, {&(0x7f0000000380)=""/112, 0x70}, {&(0x7f0000000400)=""/102, 0x66}, {&(0x7f0000000480)=""/176, 0xb0}], 0x4, &(0x7f0000000540)=""/87, 0x57}, 0x2000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000640)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="10000000000000000000010000001400078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="175c123de0218ef29cd2724d71b0c64343b60ccb4880aefb8453426ed89f3df7ac27f29bb0170e"], 0x28}}, 0x0) [ 1709.497180] nbd: must specify a size in bytes for the device 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$inet_smc(0x2b, 0x1, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000001500)={&(0x7f00000012c0)={0x10, 0x0, 0x0, 0x101220}, 0xc, &(0x7f0000001300)={&(0x7f0000001480)={0x60, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa10d809edde30411}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@\xd7'}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x41) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000001380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000001340)={&(0x7f00000013c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00042abd7000fddbdf2505000000080001000000000008000a006e62640008000100000000000c00030010040000000000000c000400030000000000000008000100000000002c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="180bdfc5b19dc9ce4aad5ab249663dcc87150b7d29f1828f28a850238b63d9db75e95925c55dc8"], 0x78}, 0x1, 0x0, 0x0, 0x4000884}, 0x891) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r3, 0x6, 0x23, &(0x7f00000000c0)={&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, &(0x7f0000000000)=""/77, 0x4d, 0x1, &(0x7f00000002c0)=""/4096, 0x1000}, &(0x7f0000000100)=0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socket$inet_smc(0x2b, 0x1, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000001500)={&(0x7f00000012c0)={0x10, 0x0, 0x0, 0x101220}, 0xc, &(0x7f0000001300)={&(0x7f0000001480)={0x60, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa10d809edde30411}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@\xd7'}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x41) (async) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000001380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000001340)={&(0x7f00000013c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00042abd7000fddbdf2505000000080001000000000008000a006e62640008000100000000000c00030010040000000000000c000400030000000000000008000100000000002c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="180bdfc5b19dc9ce4aad5ab249663dcc87150b7d29f1828f28a850238b63d9db75e95925c55dc8"], 0x78}, 0x1, 0x0, 0x0, 0x4000884}, 0x891) (async) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r3, 0x6, 0x23, &(0x7f00000000c0)={&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, &(0x7f0000000000)=""/77, 0x4d, 0x1, &(0x7f00000002c0)=""/4096, 0x1000}, &(0x7f0000000100)=0x40) (async) 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x48, r1, 0x304, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '&}@-'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x20060040}, 0x40) 12:48:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_persist_mode\x00', 0x2, 0x0) recvmsg$kcm(r1, &(0x7f0000000240)={&(0x7f00000001c0)=@pppoe={0x18, 0x0, {0x0, @link_local}}, 0x80, &(0x7f0000000100)=[{&(0x7f00000002c0)=""/133, 0x85}, {&(0x7f0000000380)=""/112, 0x70}, {&(0x7f0000000400)=""/102, 0x66}, {&(0x7f0000000480)=""/176, 0xb0}], 0x4, &(0x7f0000000540)=""/87, 0x57}, 0x2000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000040), r0) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000640)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="10000000000000000000010000001400078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="175c123de0218ef29cd2724d71b0c64343b60ccb4880aefb8453426ed89f3df7ac27f29bb0170e"], 0x28}}, 0x0) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r3, 0x54a3) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r3, 0x40485404, &(0x7f0000000000)={{0xffffffffffffffff, 0x1, 0x81, 0x3, 0x7ff}, 0x0, 0x2}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r4, 0x11, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+#!{{@]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x2000c090}, 0x48000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x4008010) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r5, &(0x7f0000000380)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x2fc, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x18c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xea2609}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3dbee2fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x802f6f5}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x681b78c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7bb399bd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69546820}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a78fd27}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x709581e4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5aac3781}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2d79afc9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x78d2707d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x143e3f3f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x46ffa477}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc05c026}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5934d2df}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59cb9d78}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7877ff47}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc0c9d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x76}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x366417ba}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1cbd8fd2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c3d2ba3}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}]}, {0x4}]}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x7}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x114, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ac0a69e}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x636be8b0}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x11}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4557c803}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25061239}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4dfcf173}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a50debb}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5e5d966b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c4559a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x632f66cf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18631fd4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16c08a5c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x643c9a9e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x93}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x67d032da}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8a053e0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x59}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1980feff}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42857690}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cabde6b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x63}]}]}]}, 0x2fc}, 0x1, 0x0, 0x0, 0x20000091}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) (async) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r3, 0x54a3) (async) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r3, 0x40485404, &(0x7f0000000000)={{0xffffffffffffffff, 0x1, 0x81, 0x3, 0x7ff}, 0x0, 0x2}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r4, 0x11, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+#!{{@]'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x2000c090}, 0x48000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x4008010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r5, &(0x7f0000000380)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x2fc, 0x0, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x18c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xea2609}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3dbee2fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x802f6f5}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x681b78c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7bb399bd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69546820}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a78fd27}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x709581e4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5aac3781}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2d79afc9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x78d2707d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x143e3f3f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x46ffa477}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc05c026}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5934d2df}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59cb9d78}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7877ff47}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc0c9d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x76}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x366417ba}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1cbd8fd2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c3d2ba3}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}]}, {0x4}]}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x7}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x114, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ac0a69e}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x636be8b0}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x11}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4557c803}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25061239}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4dfcf173}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1a50debb}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5e5d966b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c4559a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x632f66cf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18631fd4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16c08a5c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x643c9a9e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x93}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x67d032da}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8a053e0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x59}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1980feff}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42857690}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cabde6b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x63}]}]}]}, 0x2fc}, 0x1, 0x0, 0x0, 0x20000091}, 0x1) (async) [ 1709.537391] nbd: must specify a size in bytes for the device [ 1709.553497] nbd: must specify an index to disconnect [ 1709.559589] nbd: must specify at least one socket [ 1709.581006] nbd: must specify at least one socket 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x28, r1, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8015}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) socketpair(0x27, 0x80000, 0x8, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async, rerun: 64) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xa0, r4, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x237}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000840}, 0x40) 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10225c31}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24004010}, 0x0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) write$bt_hci(r7, &(0x7f0000000040)={0x1, @le_set_adv_param={{0x2006, 0xf}, {0xfffa, 0x0, 0x5, 0x9, 0x40, @none, 0x3f, 0x30}}}, 0xc) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="2400b3b99e03000000000000008cf403000004", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) [ 1709.663431] nbd: must specify a size in bytes for the device [ 1709.698398] nbd: must specify an index to disconnect 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$inet_smc(0x2b, 0x1, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000001500)={&(0x7f00000012c0)={0x10, 0x0, 0x0, 0x101220}, 0xc, &(0x7f0000001300)={&(0x7f0000001480)={0x60, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa10d809edde30411}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@\xd7'}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x41) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000001380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000001340)={&(0x7f00000013c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00042abd7000fddbdf2505000000080001000000000008000a006e62640008000100000000000c00030010040000000000000c000400030000000000000008000100000000002c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="180bdfc5b19dc9ce4aad5ab249663dcc87150b7d29f1828f28a850238b63d9db75e95925c55dc8"], 0x78}, 0x1, 0x0, 0x0, 0x4000884}, 0x891) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r3, 0x6, 0x23, &(0x7f00000000c0)={&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, &(0x7f0000000000)=""/77, 0x4d, 0x1, &(0x7f00000002c0)=""/4096, 0x1000}, &(0x7f0000000100)=0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socket$inet_smc(0x2b, 0x1, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000001500)={&(0x7f00000012c0)={0x10, 0x0, 0x0, 0x101220}, 0xc, &(0x7f0000001300)={&(0x7f0000001480)={0x60, r1, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa10d809edde30411}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@\xd7'}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x41) (async) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000001380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000001340)={&(0x7f00000013c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00042abd7000fddbdf2505000000080001000000000008000a006e62640008000100000000000c00030010040000000000000c000400030000000000000008000100000000002c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="180bdfc5b19dc9ce4aad5ab249663dcc87150b7d29f1828f28a850238b63d9db75e95925c55dc8"], 0x78}, 0x1, 0x0, 0x0, 0x4000884}, 0x891) (async) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r3, 0x6, 0x23, &(0x7f00000000c0)={&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, &(0x7f0000000000)=""/77, 0x4d, 0x1, &(0x7f00000002c0)=""/4096, 0x1000}, &(0x7f0000000100)=0x40) (async) [ 1709.715116] nbd: must specify at least one socket 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\"\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000f016000000a57ae75100"/30], 0x24}}, 0x0) 12:48:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_persist_mode\x00', 0x2, 0x0) recvmsg$kcm(r1, &(0x7f0000000240)={&(0x7f00000001c0)=@pppoe={0x18, 0x0, {0x0, @link_local}}, 0x80, &(0x7f0000000100)=[{&(0x7f00000002c0)=""/133, 0x85}, {&(0x7f0000000380)=""/112, 0x70}, {&(0x7f0000000400)=""/102, 0x66}, {&(0x7f0000000480)=""/176, 0xb0}], 0x4, &(0x7f0000000540)=""/87, 0x57}, 0x2000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000640)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="10000000000000000000010000001400078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="175c123de0218ef29cd2724d71b0c64343b60ccb4880aefb8453426ed89f3df7ac27f29bb0170e"], 0x28}}, 0x0) [ 1709.785760] nbd: must specify a device to reconfigure 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10225c31}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24004010}, 0x0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) write$bt_hci(r7, &(0x7f0000000040)={0x1, @le_set_adv_param={{0x2006, 0xf}, {0xfffa, 0x0, 0x5, 0x9, 0x40, @none, 0x3f, 0x30}}}, 0xc) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="2400b3b99e03000000000000008cf403000004", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10225c31}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24004010}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) write$bt_hci(r7, &(0x7f0000000040)={0x1, @le_set_adv_param={{0x2006, 0xf}, {0xfffa, 0x0, 0x5, 0x9, 0x40, @none, 0x3f, 0x30}}}, 0xc) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="2400b3b99e03000000000000008cf403000004", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) (async) 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\"\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000f016000000a57ae75100"/30], 0x24}}, 0x0) 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01ffffffffffffffffd2438f1600"], 0x14}}, 0x0) 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1709.810507] nbd: must specify a size in bytes for the device [ 1709.843346] nbd: must specify a device to reconfigure [ 1709.886236] nbd: must specify at least one socket 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10225c31}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r5, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24004010}, 0x0) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) write$bt_hci(r7, &(0x7f0000000040)={0x1, @le_set_adv_param={{0x2006, 0xf}, {0xfffa, 0x0, 0x5, 0x9, 0x40, @none, 0x3f, 0x30}}}, 0xc) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="2400b3b99e03000000000000008cf403000004", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 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_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\"\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000f016000000a57ae75100"/30], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\"\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000f016000000a57ae75100"/30], 0x24}}, 0x0) (async) [ 1709.909905] nbd: must specify a size in bytes for the device 12:48:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000814}, 0x0) 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01ffffffffffffffffd2438f1600"], 0x14}}, 0x0) [ 1709.966021] nbd: must specify a size in bytes for the device [ 1710.006141] nbd: must specify a size in bytes for the device 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 12:48:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000814}, 0x0) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x8c, r1, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x180}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x8c}, 0x1, 0x0, 0x0, 0xf95fd1d5dc9abb0e}, 0x2040051) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) [ 1710.053600] nbd: must specify a size in bytes for the device 12:48:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01ffffffffffffffffd2438f1600"], 0x14}}, 0x0) 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = socket(0x8, 0x5, 0xfffffff9) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x88, r1, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x8800}, 0x40010) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="f9d5f136e93800c4a92d87147183c33d17e00000", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) 12:48:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 12:48:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0x40880}, 0x810) [ 1710.107562] nbd: must specify a size in bytes for the device [ 1710.132880] nbd: must specify at least one socket 12:48:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = socket(0x8, 0x5, 0xfffffff9) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x88, r1, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x8800}, 0x40010) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="f9d5f136e93800c4a92d87147183c33d17e00000", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) 12:48:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x8c, r1, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x180}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x8c}, 0x1, 0x0, 0x0, 0xf95fd1d5dc9abb0e}, 0x2040051) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00042cbd7000fcdbdf2502000000080001000000000008000100000000000c00020000080000000000000c00020001000080000000000c00030001000000000000000c000300b3643155ce000000"], 0x54}, 0x1, 0x0, 0x0, 0x4}, 0x4040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, r1, 0x400, 0x3ff, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x110}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x4000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010025bd7d0000000000010000000c0002003f000000000000000c000300080000000000593b0c000800030000000000000008000a006e62000c00040007000000000000000c0005000b0100"/94], 0x64}}, 0x10) getrusage(0x1, &(0x7f00000003c0)) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f0000000800)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000007c0)={&(0x7f00000004c0)={0x2cc, 0x0, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xfc, 0x8, 0x0, 0x1, [{0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3a1c6f38}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x326bea2f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x548b4484}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x66d1cf45}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x10f908db}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x94}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3fd02c4e}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x72}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7af51513}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xa743d43}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4488f51f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45675faa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3eb1f9d6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x84}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x17ec6f76}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7abae7c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6829ff6}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x14c, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x154c77b5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5fb192c7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x20}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59f3249a}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x54}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x64}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x24}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x677c3f2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x44}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x23894793}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x91}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7dbb1f05}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ad235d0}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x583507f9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5c}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x20c63a98}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6e60a8be}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2f2131d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x64}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x25}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f0667f2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5b}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x70, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1bce2f5f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5cb54d49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x12f358a}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51e2ed04}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3b514722}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x719064b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2473b438}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}]}]}]}, 0x2cc}, 0x1, 0x0, 0x0, 0x20048010}, 0x8000) 12:48:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 12:48:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000814}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000814}, 0x0) (async) 12:48:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0x40880}, 0x810) [ 1710.217694] nbd: must specify a size in bytes for the device 12:48:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3d000000c229bc4ab4ff6a2648e323572274ccc1504c3ef940c363373573e460220830b2cab3f052fe3cbe360a9a5280c10f83550f13568ad57a341e7ff3ecf75613826073a76378aef0ce87cf7f2ec19b74447f7f9e4e06f71493600bb77e5f1be1f752cd9ceb53cf2795149e729de1ba5c46c5ff56f1c6e1ae0504f5b8b16a2525386804234e92610b49142c3e40e41a2581a663f7781e0d6d52834b6b25", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x60, r1, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x60}, 0x1, 0x0, 0x0, 0x6}, 0x4000040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40800}, 0x810) exit(0xffffffffffff0001) [ 1710.307024] nbd: must specify a size in bytes for the device [ 1710.329634] nla_parse: 4 callbacks suppressed [ 1710.329640] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.343963] nbd: must specify at least one socket 12:48:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x8c, r1, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x180}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x8c}, 0x1, 0x0, 0x0, 0xf95fd1d5dc9abb0e}, 0x2040051) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00042cbd7000fcdbdf2502000000080001000000000008000100000000000c00020000080000000000000c00020001000080000000000c00030001000000000000000c000300b3643155ce000000"], 0x54}, 0x1, 0x0, 0x0, 0x4}, 0x4040) (rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, r1, 0x400, 0x3ff, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x110}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x4000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010025bd7d0000000000010000000c0002003f000000000000000c000300080000000000593b0c000800030000000000000008000a006e62000c00040007000000000000000c0005000b0100"/94], 0x64}}, 0x10) (async) getrusage(0x1, &(0x7f00000003c0)) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f0000000800)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000007c0)={&(0x7f00000004c0)={0x2cc, 0x0, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xfc, 0x8, 0x0, 0x1, [{0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3a1c6f38}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x326bea2f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x548b4484}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x66d1cf45}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x10f908db}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x94}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3fd02c4e}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x72}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7af51513}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xa743d43}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4488f51f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45675faa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3eb1f9d6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x84}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x17ec6f76}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7abae7c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6829ff6}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x14c, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x154c77b5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5fb192c7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x20}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59f3249a}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x54}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x64}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x24}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x677c3f2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x44}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x23894793}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x91}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7dbb1f05}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ad235d0}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x583507f9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5c}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x20c63a98}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6e60a8be}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2f2131d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x64}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x25}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f0667f2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5b}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x70, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1bce2f5f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5cb54d49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x12f358a}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51e2ed04}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3b514722}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x719064b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2473b438}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}]}]}]}, 0x2cc}, 0x1, 0x0, 0x0, 0x20048010}, 0x8000) 12:48:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = socket(0x8, 0x5, 0xfffffff9) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x88, r1, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x8800}, 0x40010) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="f9d5f136e93800c4a92d87147183c33d17e00000", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) socket(0x8, 0x5, 0xfffffff9) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x88, r1, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x8800}, 0x40010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="f9d5f136e93800c4a92d87147183c33d17e00000", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) (async) [ 1710.353871] nbd: must specify a size in bytes for the device 12:48:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[], 0x14}, 0x1, 0x0, 0x0, 0x40880}, 0x810) 12:48:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r3, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000041}, 0x20040044) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0x184, 0x0, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xa0, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5174c231}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x89}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x100}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6a95ea9f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcc}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e3421df}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xb2a8703}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x56}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc2f8ba5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd7635f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x20, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x951f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x55e4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5047}]}]}]}, 0x184}, 0x1, 0x0, 0x0, 0x24000060}, 0x40800) 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$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x68, r7, 0x8, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x800}, 0x4000004) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x14, r1, 0xa76f30a5902a20df, 0x70bd2b}, 0x14}}, 0x8048040) 12:48:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r1, 0x8, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x39}]}, 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x40800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd2e, 0x25dffbff}, 0x14}}, 0x24000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00042cbd7000fcdbdf2502000000080001000000000008000100000000000c00020000080000000000000c00020001000080000000000c00030001000000000000000c000300b3643155ce000000"], 0x54}, 0x1, 0x0, 0x0, 0x4}, 0x4040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, r1, 0x400, 0x3ff, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x110}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x4000) (async, rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010025bd7d0000000000010000000c0002003f000000000000000c000300080000000000593b0c000800030000000000000008000a006e62000c00040007000000000000000c0005000b0100"/94], 0x64}}, 0x10) (async, rerun: 64) getrusage(0x1, &(0x7f00000003c0)) (rerun: 64) sendmsg$NLBL_CIPSOV4_C_LISTALL(r2, &(0x7f0000000800)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000007c0)={&(0x7f00000004c0)={0x2cc, 0x0, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xfc, 0x8, 0x0, 0x1, [{0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3a1c6f38}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x326bea2f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x548b4484}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x66d1cf45}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x10f908db}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x94}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3fd02c4e}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x72}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7af51513}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xa743d43}]}, {0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4488f51f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45675faa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3eb1f9d6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x84}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x17ec6f76}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7abae7c9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6829ff6}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x14c, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x154c77b5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5fb192c7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x20}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x59f3249a}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x54}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x64}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x24}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x677c3f2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x44}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x23894793}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xef}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x91}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7dbb1f05}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ad235d0}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x583507f9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5c}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x20c63a98}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6e60a8be}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2f2131d4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x64}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x25}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f0667f2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5b}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x70, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1bce2f5f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5cb54d49}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x12f358a}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51e2ed04}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3b514722}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x719064b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2473b438}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}]}]}]}, 0x2cc}, 0x1, 0x0, 0x0, 0x20048010}, 0x8000) [ 1710.505798] nbd: must specify a device to reconfigure 12:48:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x8000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="3e00000014004000", @ANYRESHEX=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 1710.526468] nbd: must specify a device to reconfigure 12:48:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r3, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000041}, 0x20040044) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0x184, 0x0, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xa0, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5174c231}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x89}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x100}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6a95ea9f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcc}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e3421df}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xb2a8703}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x56}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc2f8ba5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd7635f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x20, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x951f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x55e4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5047}]}]}]}, 0x184}, 0x1, 0x0, 0x0, 0x24000060}, 0x40800) 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$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x68, r7, 0x8, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x800}, 0x4000004) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x14, r1, 0xa76f30a5902a20df, 0x70bd2b}, 0x14}}, 0x8048040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r3, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000041}, 0x20040044) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0x184, 0x0, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xa0, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5174c231}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x89}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x100}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6a95ea9f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcc}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e3421df}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xb2a8703}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x56}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc2f8ba5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd7635f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x20, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x951f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x55e4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5047}]}]}]}, 0x184}, 0x1, 0x0, 0x0, 0x24000060}, 0x40800) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x68, r7, 0x8, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x800}, 0x4000004) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x14, r1, 0xa76f30a5902a20df, 0x70bd2b}, 0x14}}, 0x8048040) (async) 12:48:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r1, 0x8, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x39}]}, 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x40800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r1, 0x8, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x39}]}, 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x40800) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) [ 1710.549910] nbd: must specify at least one socket [ 1710.565564] nbd: must specify a device to reconfigure [ 1710.572794] nbd: must specify a size in bytes for the device [ 1710.628610] nbd: must specify a device to reconfigure [ 1710.634487] nbd: must specify a device to reconfigure [ 1710.644084] nbd: must specify a device to reconfigure [ 1710.650214] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.658914] nbd: must specify at least one socket [ 1710.665011] nbd: must specify at least one socket [ 1710.670594] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.684137] nbd: must specify at least one socket [ 1710.689213] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.697937] nbd: must specify at least one socket [ 1710.703681] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.712977] nbd: must specify at least one socket [ 1710.717897] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.726530] nbd: must specify at least one socket [ 1710.731569] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.740226] nbd: must specify at least one socket [ 1710.745137] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.753790] nbd: must specify at least one socket [ 1710.758718] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.767353] nbd: must specify at least one socket [ 1710.772435] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1710.781125] nbd: must specify at least one socket [ 1710.786035] nbd: must specify at least one socket [ 1710.791158] nbd: must specify at least one socket [ 1710.796077] nbd: must specify at least one socket [ 1710.801052] nbd: must specify at least one socket [ 1710.805949] nbd: must specify at least one socket [ 1710.810955] nbd: must specify at least one socket [ 1710.815854] nbd: must specify at least one socket [ 1710.821332] nbd: must specify at least one socket [ 1710.826237] nbd: must specify at least one socket [ 1710.831218] nbd: must specify at least one socket [ 1710.836122] nbd: must specify at least one socket [ 1710.841087] nbd: must specify at least one socket [ 1710.845985] nbd: must specify at least one socket [ 1710.850971] nbd: must specify at least one socket [ 1710.855943] nbd: must specify at least one socket [ 1710.860966] nbd: must specify at least one socket [ 1710.865863] nbd: must specify at least one socket [ 1710.870847] nbd: must specify at least one socket [ 1710.875749] nbd: must specify at least one socket [ 1710.880716] nbd: must specify at least one socket [ 1710.885613] nbd: must specify at least one socket [ 1710.890603] nbd: must specify at least one socket [ 1710.895497] nbd: must specify at least one socket [ 1710.900474] nbd: must specify at least one socket [ 1710.905366] nbd: must specify at least one socket [ 1710.910364] nbd: must specify at least one socket [ 1710.915263] nbd: must specify at least one socket [ 1710.920221] nbd: must specify at least one socket [ 1710.925236] nbd: must specify at least one socket [ 1710.930263] nbd: must specify at least one socket [ 1710.935174] nbd: must specify at least one socket [ 1710.940209] nbd: must specify at least one socket [ 1710.945117] nbd: must specify at least one socket [ 1710.950615] nbd: must specify at least one socket [ 1710.955684] nbd: must specify at least one socket [ 1710.960665] nbd: must specify at least one socket [ 1710.965565] nbd: must specify at least one socket [ 1710.970580] nbd: must specify at least one socket [ 1710.975480] nbd: must specify at least one socket [ 1710.980445] nbd: must specify at least one socket [ 1710.985341] nbd: must specify at least one socket [ 1710.990330] nbd: must specify at least one socket [ 1710.995227] nbd: must specify at least one socket [ 1711.000333] nbd: must specify at least one socket [ 1711.005227] nbd: must specify at least one socket [ 1711.010224] nbd: must specify at least one socket [ 1711.015122] nbd: must specify at least one socket [ 1711.020131] nbd: must specify at least one socket [ 1711.025028] nbd: must specify at least one socket [ 1711.030028] nbd: must specify at least one socket [ 1711.034930] nbd: must specify at least one socket [ 1711.039902] nbd: must specify at least one socket [ 1711.044800] nbd: must specify at least one socket [ 1711.049819] nbd: must specify at least one socket [ 1711.054716] nbd: must specify at least one socket [ 1711.059688] nbd: must specify at least one socket 12:48:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3d000000c229bc4ab4ff6a2648e323572274ccc1504c3ef940c363373573e460220830b2cab3f052fe3cbe360a9a5280c10f83550f13568ad57a341e7ff3ecf75613826073a76378aef0ce87cf7f2ec19b74447f7f9e4e06f71493600bb77e5f1be1f752cd9ceb53cf2795149e729de1ba5c46c5ff56f1c6e1ae0504f5b8b16a2525386804234e92610b49142c3e40e41a2581a663f7781e0d6d52834b6b25", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x60, r1, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x60}, 0x1, 0x0, 0x0, 0x6}, 0x4000040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40800}, 0x810) exit(0xffffffffffff0001) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3d000000c229bc4ab4ff6a2648e323572274ccc1504c3ef940c363373573e460220830b2cab3f052fe3cbe360a9a5280c10f83550f13568ad57a341e7ff3ecf75613826073a76378aef0ce87cf7f2ec19b74447f7f9e4e06f71493600bb77e5f1be1f752cd9ceb53cf2795149e729de1ba5c46c5ff56f1c6e1ae0504f5b8b16a2525386804234e92610b49142c3e40e41a2581a663f7781e0d6d52834b6b25", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x60, r1, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x60}, 0x1, 0x0, 0x0, 0x6}, 0x4000040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40800}, 0x810) (async) exit(0xffffffffffff0001) (async) 12:48:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd2e, 0x25dffbff}, 0x14}}, 0x24000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) syz_init_net_socket$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$netlbl_cipso(&(0x7f00000001c0), r4) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd2e, 0x25dffbff}, 0x14}}, 0x24000000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="3e00000014004000", @ANYRESHEX=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r1, 0x8, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x39}]}, 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x40800) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r3, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000041}, 0x20040044) (async, rerun: 32) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0x184, 0x0, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xa0, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5174c231}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x89}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x100}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6a95ea9f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcc}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e3421df}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xb2a8703}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x56}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc2f8ba5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd7635f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x20, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x951f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x55e4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5047}]}]}]}, 0x184}, 0x1, 0x0, 0x0, 0x24000060}, 0x40800) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x68, r7, 0x8, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x800}, 0x4000004) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x14, r1, 0xa76f30a5902a20df, 0x70bd2b}, 0x14}}, 0x8048040) 12:48:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000005017777f76d000000040007800c000200000000000000000077ec90f7995fcb33dccf2d9c3c8659253267c9c10355fb6cc928b9f2dd57ca06e843af08179244cc3a32140000d2892a7a622279307bd51463bbd0bd5f82133ba4ce5bdd4dc7a5d280f0ba4dbb957b518c1c9f9caa9022baa821fb242e4d80f688e2c79ad4f8e2111dd6f7b759d82bde5a99a05a07ea78acf112a7d86892efb8fc83e77e03d2edc43a0772ba5d17df0efbc91e772386626742b30968cd8f404aa68c3ff0cead008ba8f1b2399d183b44d670ac096419aea499eaaf83d4c9da3ecadffc1431b1721e9172eb6f402fb1081c151c086fc8b34edbdfa99478b58392ff50102cf742d7d022f47cb30087933828eba4732a5a293ee065df052e5bad89ffa15b624647b9840f66faf6bf115ba679161217f470624cd8b61b1bf6ae1b2d71a95421fe9f9d0c9e763a430f8e091d6c250683c9"], 0x24}}, 0x0) 12:48:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 1711.255731] nbd: must specify a device to reconfigure [ 1711.271723] nbd: must specify a device to reconfigure [ 1711.283780] nbd: must specify a device to reconfigure [ 1711.291109] nbd: must specify at least one socket [ 1711.296301] nbd: must specify a device to reconfigure 12:48:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 12:48:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="3e00000014004000", @ANYRESHEX=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd2e, 0x25dffbff}, 0x14}}, 0x24000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) syz_init_net_socket$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$netlbl_cipso(&(0x7f00000001c0), r4) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd2e, 0x25dffbff}, 0x14}}, 0x24000000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x24}}, 0x0) [ 1711.303932] nbd: must specify a device to reconfigure [ 1711.310268] nbd: must specify a size in bytes for the device [ 1711.327030] nbd: must specify a device to reconfigure [ 1711.343189] nbd: must specify a device to reconfigure [ 1711.356606] nbd: must specify a device to reconfigure 12:48:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3d000000c229bc4ab4ff6a2648e323572274ccc1504c3ef940c363373573e460220830b2cab3f052fe3cbe360a9a5280c10f83550f13568ad57a341e7ff3ecf75613826073a76378aef0ce87cf7f2ec19b74447f7f9e4e06f71493600bb77e5f1be1f752cd9ceb53cf2795149e729de1ba5c46c5ff56f1c6e1ae0504f5b8b16a2525386804234e92610b49142c3e40e41a2581a663f7781e0d6d52834b6b25", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x60, r1, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x60}, 0x1, 0x0, 0x0, 0x6}, 0x4000040) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40800}, 0x810) (async) exit(0xffffffffffff0001) [ 1711.384344] nbd: must specify a device to reconfigure [ 1711.394168] nbd: must specify a device to reconfigure [ 1711.408070] nbd: must specify a device to reconfigure [ 1711.422146] nbd: must specify a device to reconfigure 12:48:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000200)={'ip6tnl0\x00', &(0x7f0000000180)={'syztnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @ipv4={'\x00', '\xff\xff', @remote}}}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x24}}, 0x0) (async) [ 1711.433132] nbd: must specify a device to reconfigure [ 1711.438496] nbd: must specify a device to reconfigure [ 1711.450351] nbd: must specify a device to reconfigure [ 1711.455832] nbd: must specify a device to reconfigure [ 1711.464850] nbd: must specify a size in bytes for the device [ 1711.489511] nbd: must specify a device to reconfigure [ 1711.494856] nbd: must specify a device to reconfigure [ 1711.510000] nbd: must specify at least one socket [ 1711.522947] nbd: must specify at least one socket [ 1711.531301] nbd: must specify a device to reconfigure [ 1711.536748] nbd: must specify a device to reconfigure [ 1711.546488] nbd: must specify a device to reconfigure [ 1711.552143] nbd: must specify a device to reconfigure [ 1711.557474] nbd: must specify a device to reconfigure [ 1711.562801] nbd: must specify a device to reconfigure [ 1711.568143] nbd: must specify a device to reconfigure [ 1711.573497] nbd: must specify a device to reconfigure [ 1711.578750] nbd: must specify a device to reconfigure [ 1711.584089] nbd: must specify a device to reconfigure 12:48:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r1, 0x47719f6ed7d9205d, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000000}, 0x4008884) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000200)={'ip6tnl0\x00', &(0x7f0000000180)={'syztnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @ipv4={'\x00', '\xff\xff', @remote}}}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}]}, 0x2c}}, 0x0) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/conntrack\x00', 0x2, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) ioctl$sock_bt_cmtp_CMTPCONNDEL(r5, 0x400443c9, &(0x7f00000002c0)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xbf}) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x80, r1, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r6}, {0x8, 0x1, r3}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000801}, 0x4840) ioctl$UI_SET_MSCBIT(r6, 0x40045568, 0x22) 12:48:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r4, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) r7 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r7, 0x54a3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRESHEX=0x0], 0x18}}, 0x0) [ 1711.589715] nbd: must specify a device to reconfigure [ 1711.594963] nbd: must specify a device to reconfigure [ 1711.600278] nbd: must specify a device to reconfigure [ 1711.605522] nbd: must specify a device to reconfigure [ 1711.610829] nbd: must specify a device to reconfigure [ 1711.616096] nbd: must specify a device to reconfigure [ 1711.621420] nbd: must specify a device to reconfigure [ 1711.626655] nbd: must specify a device to reconfigure [ 1711.632001] nbd: must specify a device to reconfigure [ 1711.689531] nbd: must specify at least one socket 12:48:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 1711.718673] nbd: must specify at least one socket 12:48:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000200)={'ip6tnl0\x00', &(0x7f0000000180)={'syztnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @ipv4={'\x00', '\xff\xff', @remote}}}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) socket$inet6_udp(0xa, 0x2, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000200)={'ip6tnl0\x00', &(0x7f0000000180)={'syztnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev, @ipv4={'\x00', '\xff\xff', @remote}}}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 12:48:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r1, 0x47719f6ed7d9205d, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000000}, 0x4008884) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r1, 0x47719f6ed7d9205d, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000000}, 0x4008884) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 1711.740299] nbd: must specify a size in bytes for the device [ 1711.760171] nbd: must specify a size in bytes for the device [ 1711.775842] nbd: must specify a device to reconfigure [ 1711.805394] nbd: must specify at least one socket [ 1711.822359] nbd: must specify at least one socket [ 1711.829997] nbd: must specify a size in bytes for the device [ 1711.838813] nbd: must specify a size in bytes for the device 12:48:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, 0x0, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x64, 0xc, 0x0, 0x1, [{0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x64bb3d53}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x47e09654}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1a27}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5d94baa9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45a4476a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ffbe39b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xef7c6d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xca1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x39d8d827}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x83869d0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x40004) 12:48:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}]}, 0x2c}}, 0x0) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/conntrack\x00', 0x2, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) ioctl$sock_bt_cmtp_CMTPCONNDEL(r5, 0x400443c9, &(0x7f00000002c0)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xbf}) (async) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x80, r1, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r6}, {0x8, 0x1, r3}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000801}, 0x4840) (async) ioctl$UI_SET_MSCBIT(r6, 0x40045568, 0x22) 12:48:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r4, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) (async) r7 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r7, 0x54a3) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRESHEX=0x0], 0x18}}, 0x0) 12:48:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000700), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000800)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x70, r1, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffa6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '&)\'()!%[),/@:$^}^:'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x70}, 0x1, 0x0, 0x0, 0x40001}, 0x4040000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000680)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000640)={&(0x7f00000003c0)={0x250, 0x0, 0x0, 0xfffffffd, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xbc, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x576007e2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2e4a}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc6ae}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7c8b0521}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x35c2c62f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cb0d012}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x69924ca7}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x23bc}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x70a53471}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x69f8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9f7e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2036}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5b415f56}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ffa14fb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x64b6}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbe3f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cbe449a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xce8e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7a038f34}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x49e8d68}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x30, 0xc, 0x0, 0x1, [{0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4dca}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3379f881}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4eed549f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe213}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x12c, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2977622c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x62}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x73f3e4c6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4a26122f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2fb778d9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x62feb1db}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4a}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x66dfbeb5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x270613fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1bc5595d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x32dd5476}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x37f18155}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x67}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x67}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18a0b4a9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e7426c4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x103ebcf0}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x69}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa7}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x90}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x194da50e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2bdf9719}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4275574c}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}]}, 0x250}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000b13a0833178f97dd48183ddd3296d7fd5b3443d28cb93325b530b28821c5703e5ade4bcf23ac330751df2199e9b84064a42f40d0be378b2243d959d397c6a15a9fa2edfe19fd0283cfdb0dd354cec48f73a50c8d48a62f9528574094b168903fd6e12fd5ff2265afb1b7bfaae85fe3a94bbe1d6c41abf3a56d580105897c9aecbcecbe39a8a809780ad5cf542c3b51585ebbbfced73b2de459ddb142bc2594d290e5d6c1477d52a837e8d038ec3f087020f47d6fbd1d88ba2240715ae10c3b825662cb1e2e836ea3bb47b6c78b5f35b5606d6383bfc5bb575fa508155389412ebf8986"], 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000880), r0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000c80)={&(0x7f0000000840)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000c40)={&(0x7f00000008c0)={0x364, r5, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x7c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf7}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcc55}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa0ee}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x67604005}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6e9ebbf8}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb0ba}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd3a8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7275}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x297867dd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7be02bec}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4408cc4c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x31347303}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xb0, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x27890f8d}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x28fba09c}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x641dc1b2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7122eafb}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbd0}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d7d1273}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x22c34a7b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3f3bfac9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8e2f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ca8436f}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5285}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4fcbb058}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdcd3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x279f}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8eea}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e9737c9}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSLVLLST={0x13c, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x96}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f3022c8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xad}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x43375a8c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21c270ac}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x11746e07}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe9e9e9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9a}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc5a66d4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d8ea7d9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x81}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16a543f7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2defb55e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x53}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x94}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x27ce5eef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ab1f811}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7fcd74bb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x546c33f5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x56054999}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5605fe23}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x43}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3543924c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ba40f88}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x90, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x14}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x32d7a693}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x731f0042}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x34b41e27}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16863c8b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xbb23d67}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1e}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x26}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x776300a7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2787edd5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1d95231}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c17441e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5a32b0f1}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}]}, 0x364}, 0x1, 0x0, 0x0, 0x40000}, 0xc0c0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\b', @ANYRES16=r2, @ANYBLOB="20004a53b509ac391027010000000c000300ffffffffffffffff0800010000000000913f95aecec9c59577d82a45e70190f01614d26ec56acf04a8e4640c581a499ea6eb91f2c53ae51fced700834f10cbc2033329d0928e8311042717b061134086bbedf0038d50855adb535d42deefc96ede681ba08e5402da0d6f246f102cdf0f9926909f0fc1c07315732138b615afe2302c537b47abb87deafc8a10d8965137bc36074c727d981e9bd5d08611"], 0x28}, 0x1, 0x0, 0x0, 0x8804}, 0x4845) write$cgroup_devices(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB='^ *:* wm\x00'], 0x9) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000008229483829a15b4cc4f32cdcae076696320518e3e4d1856d9c1650f00fbe0747c95c255650aa06b454126b975bf44cb5de22bf3b963ebaeb45bbf5fcb6831d948c53f1e15c2a1db1a4defc32822e5b2b0b0b39a10ecd90bdc36330c30e1badbf7f547e2e3acc33377efc97932aa99c7265fec7fea4b588a2911de28cdf8bcc544dec9fca22db5cbf1070be15fb9c7a4357d0280be6da924ecce90bf48a9b58072134bccf3d380590593c7e5a3643ff70f31e7bc291312b6f2473471bc7accd6fa7be31c39663c35"], 0x14}}, 0x0) 12:48:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r1, 0x47719f6ed7d9205d, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000000}, 0x4008884) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r1, 0x47719f6ed7d9205d, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000000}, 0x4008884) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000008229483829a15b4cc4f32cdcae076696320518e3e4d1856d9c1650f00fbe0747c95c255650aa06b454126b975bf44cb5de22bf3b963ebaeb45bbf5fcb6831d948c53f1e15c2a1db1a4defc32822e5b2b0b0b39a10ecd90bdc36330c30e1badbf7f547e2e3acc33377efc97932aa99c7265fec7fea4b588a2911de28cdf8bcc544dec9fca22db5cbf1070be15fb9c7a4357d0280be6da924ecce90bf48a9b58072134bccf3d380590593c7e5a3643ff70f31e7bc291312b6f2473471bc7accd6fa7be31c39663c35"], 0x14}}, 0x0) 12:48:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}]}, 0x2c}}, 0x0) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/conntrack\x00', 0x2, 0x0) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) ioctl$sock_bt_cmtp_CMTPCONNDEL(r5, 0x400443c9, &(0x7f00000002c0)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xbf}) (async, rerun: 32) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 32) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x80, r1, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r6}, {0x8, 0x1, r3}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000801}, 0x4840) (async) ioctl$UI_SET_MSCBIT(r6, 0x40045568, 0x22) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000008229483829a15b4cc4f32cdcae076696320518e3e4d1856d9c1650f00fbe0747c95c255650aa06b454126b975bf44cb5de22bf3b963ebaeb45bbf5fcb6831d948c53f1e15c2a1db1a4defc32822e5b2b0b0b39a10ecd90bdc36330c30e1badbf7f547e2e3acc33377efc97932aa99c7265fec7fea4b588a2911de28cdf8bcc544dec9fca22db5cbf1070be15fb9c7a4357d0280be6da924ecce90bf48a9b58072134bccf3d380590593c7e5a3643ff70f31e7bc291312b6f2473471bc7accd6fa7be31c39663c35"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000008229483829a15b4cc4f32cdcae076696320518e3e4d1856d9c1650f00fbe0747c95c255650aa06b454126b975bf44cb5de22bf3b963ebaeb45bbf5fcb6831d948c53f1e15c2a1db1a4defc32822e5b2b0b0b39a10ecd90bdc36330c30e1badbf7f547e2e3acc33377efc97932aa99c7265fec7fea4b588a2911de28cdf8bcc544dec9fca22db5cbf1070be15fb9c7a4357d0280be6da924ecce90bf48a9b58072134bccf3d380590593c7e5a3643ff70f31e7bc291312b6f2473471bc7accd6fa7be31c39663c35"], 0x14}}, 0x0) (async) 12:48:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, 0x0, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x64, 0xc, 0x0, 0x1, [{0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x64bb3d53}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x47e09654}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1a27}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5d94baa9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45a4476a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ffbe39b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xef7c6d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xca1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x39d8d827}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x83869d0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x40004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, 0x0, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x64, 0xc, 0x0, 0x1, [{0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x64bb3d53}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x47e09654}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1a27}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5d94baa9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45a4476a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ffbe39b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xef7c6d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xca1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x39d8d827}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x83869d0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x40004) (async) 12:48:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r4, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) r7 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r7, 0x54a3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRESHEX=0x0], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r4, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) (async) openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) (async) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r7, 0x54a3) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRESHEX=0x0], 0x18}}, 0x0) (async) 12:48:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000700), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000800)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x70, r1, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffa6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '&)\'()!%[),/@:$^}^:'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x70}, 0x1, 0x0, 0x0, 0x40001}, 0x4040000) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000680)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000640)={&(0x7f00000003c0)={0x250, 0x0, 0x0, 0xfffffffd, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xbc, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x576007e2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2e4a}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc6ae}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7c8b0521}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x35c2c62f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cb0d012}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x69924ca7}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x23bc}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x70a53471}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x69f8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9f7e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2036}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5b415f56}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ffa14fb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x64b6}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbe3f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cbe449a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xce8e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7a038f34}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x49e8d68}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x30, 0xc, 0x0, 0x1, [{0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4dca}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3379f881}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4eed549f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe213}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x12c, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2977622c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x62}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x73f3e4c6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4a26122f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2fb778d9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x62feb1db}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4a}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x66dfbeb5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x270613fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1bc5595d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x32dd5476}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x37f18155}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x67}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x67}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18a0b4a9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e7426c4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x103ebcf0}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x69}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa7}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x90}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x194da50e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2bdf9719}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4275574c}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}]}, 0x250}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000b13a0833178f97dd48183ddd3296d7fd5b3443d28cb93325b530b28821c5703e5ade4bcf23ac330751df2199e9b84064a42f40d0be378b2243d959d397c6a15a9fa2edfe19fd0283cfdb0dd354cec48f73a50c8d48a62f9528574094b168903fd6e12fd5ff2265afb1b7bfaae85fe3a94bbe1d6c41abf3a56d580105897c9aecbcecbe39a8a809780ad5cf542c3b51585ebbbfced73b2de459ddb142bc2594d290e5d6c1477d52a837e8d038ec3f087020f47d6fbd1d88ba2240715ae10c3b825662cb1e2e836ea3bb47b6c78b5f35b5606d6383bfc5bb575fa508155389412ebf8986"], 0x14}}, 0x0) (async) r5 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000880), r0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000c80)={&(0x7f0000000840)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000c40)={&(0x7f00000008c0)={0x364, r5, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x7c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf7}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcc55}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa0ee}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x67604005}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6e9ebbf8}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb0ba}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd3a8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7275}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x297867dd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7be02bec}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4408cc4c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x31347303}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xb0, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x27890f8d}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x28fba09c}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x641dc1b2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7122eafb}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbd0}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d7d1273}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x22c34a7b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3f3bfac9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8e2f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ca8436f}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5285}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4fcbb058}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdcd3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x279f}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8eea}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e9737c9}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSLVLLST={0x13c, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x96}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f3022c8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xad}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x43375a8c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21c270ac}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x11746e07}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe9e9e9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9a}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc5a66d4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d8ea7d9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x81}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16a543f7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2defb55e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x53}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x94}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x27ce5eef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ab1f811}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7fcd74bb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x546c33f5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x56054999}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5605fe23}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x43}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3543924c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ba40f88}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x90, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x14}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x32d7a693}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x731f0042}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x34b41e27}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16863c8b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xbb23d67}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1e}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x26}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x776300a7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2787edd5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1d95231}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c17441e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5a32b0f1}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}]}, 0x364}, 0x1, 0x0, 0x0, 0x40000}, 0xc0c0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\b', @ANYRES16=r2, @ANYBLOB="20004a53b509ac391027010000000c000300ffffffffffffffff0800010000000000913f95aecec9c59577d82a45e70190f01614d26ec56acf04a8e4640c581a499ea6eb91f2c53ae51fced700834f10cbc2033329d0928e8311042717b061134086bbedf0038d50855adb535d42deefc96ede681ba08e5402da0d6f246f102cdf0f9926909f0fc1c07315732138b615afe2302c537b47abb87deafc8a10d8965137bc36074c727d981e9bd5d08611"], 0x28}, 0x1, 0x0, 0x0, 0x8804}, 0x4845) (async) write$cgroup_devices(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB='^ *:* wm\x00'], 0x9) 12:48:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r1, 0x614, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}]}, 0x40}, 0x1, 0x0, 0x0, 0x80}, 0x8040840) [ 1712.364316] nbd: must specify a size in bytes for the device [ 1712.385335] nbd: must specify a size in bytes for the device 12:48:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) openat$sndtimer(0xffffffffffffff9c, &(0x7f00000002c0), 0x111100) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00 \x00', @ANYRES16=r3, @ANYBLOB="000127bd7000ffdbdf25050000000c00040001000000000000000c00080008000000000000000c0005002c000000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0004000100000001000000"], 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x20000004) 12:48:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, 0x0, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x64, 0xc, 0x0, 0x1, [{0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x64bb3d53}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x47e09654}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1a27}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5d94baa9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45a4476a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ffbe39b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xef7c6d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xca1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x39d8d827}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x83869d0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x40004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, 0x0, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x64, 0xc, 0x0, 0x1, [{0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x64bb3d53}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x47e09654}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1a27}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5d94baa9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45a4476a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ffbe39b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xef7c6d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xca1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x39d8d827}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x83869d0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x40004) (async) 12:48:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100ff00000000000000010000000400f47f"], 0x18}}, 0x0) 12:48:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r1, 0x614, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}]}, 0x40}, 0x1, 0x0, 0x0, 0x80}, 0x8040840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r1, 0x614, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}]}, 0x40}, 0x1, 0x0, 0x0, 0x80}, 0x8040840) (async) 12:48:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000700), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000800)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000740)={0x70, r1, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffa6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '&)\'()!%[),/@:$^}^:'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x70}, 0x1, 0x0, 0x0, 0x40001}, 0x4040000) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000680)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000640)={&(0x7f00000003c0)={0x250, 0x0, 0x0, 0xfffffffd, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xbc, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x576007e2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2e4a}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc6ae}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7c8b0521}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x35c2c62f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cb0d012}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x69924ca7}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x23bc}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x70a53471}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x69f8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9f7e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2036}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5b415f56}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ffa14fb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x64b6}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbe3f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6cbe449a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xce8e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7a038f34}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x49e8d68}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x30, 0xc, 0x0, 0x1, [{0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4dca}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3379f881}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x73bc}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4eed549f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe213}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x12c, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2977622c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x62}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x73f3e4c6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4a26122f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2fb778d9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x62feb1db}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4a}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x66dfbeb5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x270613fe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1bc5595d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x32dd5476}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x37f18155}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x67}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x67}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x18a0b4a9}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e7426c4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x103ebcf0}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x17}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x69}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa7}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x90}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x194da50e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf1}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2bdf9719}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4275574c}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}]}, 0x250}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000b13a0833178f97dd48183ddd3296d7fd5b3443d28cb93325b530b28821c5703e5ade4bcf23ac330751df2199e9b84064a42f40d0be378b2243d959d397c6a15a9fa2edfe19fd0283cfdb0dd354cec48f73a50c8d48a62f9528574094b168903fd6e12fd5ff2265afb1b7bfaae85fe3a94bbe1d6c41abf3a56d580105897c9aecbcecbe39a8a809780ad5cf542c3b51585ebbbfced73b2de459ddb142bc2594d290e5d6c1477d52a837e8d038ec3f087020f47d6fbd1d88ba2240715ae10c3b825662cb1e2e836ea3bb47b6c78b5f35b5606d6383bfc5bb575fa508155389412ebf8986"], 0x14}}, 0x0) (async) r5 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000880), r0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000c80)={&(0x7f0000000840)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000c40)={&(0x7f00000008c0)={0x364, r5, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x7c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf7}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcc55}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa0ee}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x67604005}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6e9ebbf8}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb0ba}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd3a8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7275}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x297867dd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7be02bec}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4408cc4c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x31347303}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xb0, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x27890f8d}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x28fba09c}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x641dc1b2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7122eafb}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbd0}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4d7d1273}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x22c34a7b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3f3bfac9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8e2f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ca8436f}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5285}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4fcbb058}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdcd3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8fb8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x279f}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8eea}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e9737c9}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSLVLLST={0x13c, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x96}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3f3022c8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xad}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x43375a8c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21c270ac}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x11746e07}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe9e9e9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9a}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc5a66d4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d8ea7d9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x81}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16a543f7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2defb55e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x53}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x94}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x27ce5eef}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ab1f811}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7fcd74bb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x546c33f5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x56054999}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc7}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5605fe23}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x43}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3543924c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6ba40f88}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x90, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x14}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x32d7a693}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x731f0042}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x34b41e27}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16863c8b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xbb23d67}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1e}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x26}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x776300a7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2787edd5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1d95231}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c17441e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5a32b0f1}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}]}, 0x364}, 0x1, 0x0, 0x0, 0x40000}, 0xc0c0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\b', @ANYRES16=r2, @ANYBLOB="20004a53b509ac391027010000000c000300ffffffffffffffff0800010000000000913f95aecec9c59577d82a45e70190f01614d26ec56acf04a8e4640c581a499ea6eb91f2c53ae51fced700834f10cbc2033329d0928e8311042717b061134086bbedf0038d50855adb535d42deefc96ede681ba08e5402da0d6f246f102cdf0f9926909f0fc1c07315732138b615afe2302c537b47abb87deafc8a10d8965137bc36074c727d981e9bd5d08611"], 0x28}, 0x1, 0x0, 0x0, 0x8804}, 0x4845) (async) write$cgroup_devices(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB='^ *:* wm\x00'], 0x9) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r6, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r5, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1bc, r5, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_TAGLST={0x34, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x144, 0xc, 0x0, 0x1, [{0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb387}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaf24}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71992178}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4d4c}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6e4d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x8e1f994}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x633539f2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71671df0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb05}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5917874e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcf20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ad14ce0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcaf4}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x9d36fc9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x37bf1a0d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7c249d6f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5563c27}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7cc42582}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x414e3131}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x38fc80d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7462}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e61}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33dc92c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a9f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f4e99ee}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7541}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a39f780}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x625b15f0}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3682}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bbeaf3e}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99e8}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b2a5b0e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7a6bb5d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5bb5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8a6e}]}]}]}, 0x1bc}, 0x1, 0x0, 0x0, 0x4804}, 0x4000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100"/14], 0x14}}, 0x0) [ 1712.522130] nbd: must specify a device to reconfigure [ 1712.538386] nbd: must specify a size in bytes for the device 12:48:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) openat$sndtimer(0xffffffffffffff9c, &(0x7f00000002c0), 0x111100) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00 \x00', @ANYRES16=r3, @ANYBLOB="000127bd7000ffdbdf25050000000c00040001000000000000000c00080008000000000000000c0005002c000000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0004000100000001000000"], 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x20000004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) openat$sndtimer(0xffffffffffffff9c, &(0x7f00000002c0), 0x111100) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00 \x00', @ANYRES16=r3, @ANYBLOB="000127bd7000ffdbdf25050000000c00040001000000000000000c00080008000000000000000c0005002c000000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0004000100000001000000"], 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x20000004) (async) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r6, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r5, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1bc, r5, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_TAGLST={0x34, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x144, 0xc, 0x0, 0x1, [{0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb387}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaf24}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71992178}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4d4c}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6e4d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x8e1f994}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x633539f2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71671df0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb05}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5917874e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcf20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ad14ce0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcaf4}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x9d36fc9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x37bf1a0d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7c249d6f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5563c27}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7cc42582}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x414e3131}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x38fc80d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7462}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e61}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33dc92c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a9f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f4e99ee}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7541}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a39f780}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x625b15f0}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3682}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bbeaf3e}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99e8}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b2a5b0e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7a6bb5d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5bb5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8a6e}]}]}]}, 0x1bc}, 0x1, 0x0, 0x0, 0x4804}, 0x4000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100"/14], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r6, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r5, 0x401}, 0x14}}, 0x0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1bc, r5, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_TAGLST={0x34, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x144, 0xc, 0x0, 0x1, [{0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb387}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaf24}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71992178}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4d4c}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6e4d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x8e1f994}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x633539f2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71671df0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb05}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5917874e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcf20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ad14ce0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcaf4}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x9d36fc9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x37bf1a0d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7c249d6f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5563c27}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7cc42582}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x414e3131}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x38fc80d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7462}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e61}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33dc92c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a9f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f4e99ee}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7541}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a39f780}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x625b15f0}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3682}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bbeaf3e}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99e8}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b2a5b0e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7a6bb5d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5bb5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8a6e}]}]}]}, 0x1bc}, 0x1, 0x0, 0x0, 0x4804}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100"/14], 0x14}}, 0x0) (async) 12:48:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100ff00000000000000010000000400f47f"], 0x18}}, 0x0) [ 1712.648188] nbd: must specify at least one socket 12:48:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x1, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x24}}, 0x80) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r3, @ANYRES16=r3, @ANYBLOB="09002dbd7000fbdbdf25020000000c000800fe000000000000000c000800040000100000000004000a000c0006000000000000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x24004001}, 0x8804) 12:48:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x78, 0x0, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffeffffffff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffeff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x99*-[)&/)'}]}, 0x78}, 0x1, 0x0, 0x0, 0x8015}, 0x24004001) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r1, 0x614, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}]}, 0x40}, 0x1, 0x0, 0x0, 0x80}, 0x8040840) [ 1712.684628] nbd: must specify a size in bytes for the device [ 1712.720978] nbd: must specify a size in bytes for the device 12:48:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) openat$sndtimer(0xffffffffffffff9c, &(0x7f00000002c0), 0x111100) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00 \x00', @ANYRES16=r3, @ANYBLOB="000127bd7000ffdbdf25050000000c00040001000000000000000c00080008000000000000000c0005002c000000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0004000100000001000000"], 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x20000004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) openat$sndtimer(0xffffffffffffff9c, &(0x7f00000002c0), 0x111100) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P\x00 \x00', @ANYRES16=r3, @ANYBLOB="000127bd7000ffdbdf25050000000c00040001000000000000000c00080008000000000000000c0005002c000000000000000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0004000100000001000000"], 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x20000004) (async) 12:48:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) r6 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0), 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000200), 0x8) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x9c, 0x0, 0x320, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, 'NLBL_CIPSOv4\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x4000000}, 0x11) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r11) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r12, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r6, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r5, 0x401}, 0x14}}, 0x0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1bc, r5, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_TAGLST={0x34, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x144, 0xc, 0x0, 0x1, [{0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb387}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaf24}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71992178}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4d4c}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6e4d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x8e1f994}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x633539f2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x71671df0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbb05}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5917874e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcf20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ad14ce0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcaf4}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x9d36fc9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x37bf1a0d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7c249d6f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5563c27}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7cc42582}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x414e3131}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x38fc80d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7462}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e61}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x33dc92c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a9f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6f4e99ee}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7541}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a39f780}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x625b15f0}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3682}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bbeaf3e}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99e8}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7b2a5b0e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7a6bb5d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5bb5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8a6e}]}]}]}, 0x1bc}, 0x1, 0x0, 0x0, 0x4804}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100"/14], 0x14}}, 0x0) 12:48:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100ff00000000000000010000000400f47f"], 0x18}}, 0x0) [ 1712.784223] nbd: must specify a size in bytes for the device [ 1712.819549] nbd: must specify at least one socket 12:48:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x1, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x24}}, 0x80) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r3, @ANYRES16=r3, @ANYBLOB="09002dbd7000fbdbdf25020000000c000800fe000000000000000c000800040000100000000004000a000c0006000000000000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x24004001}, 0x8804) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x1, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x24}}, 0x80) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r3, @ANYRES16=r3, @ANYBLOB="09002dbd7000fbdbdf25020000000c000800fe000000000000000c000800040000100000000004000a000c0006000000000000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x24004001}, 0x8804) (async) 12:48:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x78, 0x0, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffeffffffff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffeff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x99*-[)&/)'}]}, 0x78}, 0x1, 0x0, 0x0, 0x8015}, 0x24004001) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x78, 0x0, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffeffffffff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffeff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x99*-[)&/)'}]}, 0x78}, 0x1, 0x0, 0x0, 0x8015}, 0x24004001) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 12:48:19 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x84, 0x0, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x58, 0x8, 0x0, 0x1, [{0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5fcc21d2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d32a9d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5c097b49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5845431a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x64a9042f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0x20048855) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x22, 0xa, '@\xef<\r+\x8e\x82:\x9f#\xbe)\xfc\xf9\x93\xe01\xd9\xd16\xc2\xf4y\xf6\x0f\xd3q\x9c\xfb\b'}]}, 0x3c}}, 0x810) 12:48:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), 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) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) (async) r6 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0), 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000200), 0x8) (async, rerun: 64) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x9c, 0x0, 0x320, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, 'NLBL_CIPSOv4\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x4000000}, 0x11) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r11) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r12, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1712.895358] nbd: must specify a size in bytes for the device [ 1712.942576] nbd: must specify at least one socket 12:48:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x70, r1, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x298b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x4004802) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r6 = socket(0x1a, 0x2, 0xef9) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r9) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r11, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r10, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0xb8, r10, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x5c, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x18854b0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9208}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x141}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61bc2b1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52f80bfe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e9a4475}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x19f9ac1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x13ec2d4d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x59dd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x435}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40800}, 0x20000040) r12 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) r13 = socket(0x1d, 0x6, 0x7fffffff) r14 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r14, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, r5, 0x300, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r14}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20085}, 0x40810) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010400000000000000000100000004000780"], 0x18}}, 0x0) 12:48:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x78, 0x0, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffeffffffff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffeff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x99*-[)&/)'}]}, 0x78}, 0x1, 0x0, 0x0, 0x8015}, 0x24004001) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x400}, 0x14}}, 0x1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r6, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x4044802) 12:48:19 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x84, 0x0, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x58, 0x8, 0x0, 0x1, [{0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5fcc21d2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d32a9d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5c097b49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5845431a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x64a9042f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0x20048855) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x22, 0xa, '@\xef<\r+\x8e\x82:\x9f#\xbe)\xfc\xf9\x93\xe01\xd9\xd16\xc2\xf4y\xf6\x0f\xd3q\x9c\xfb\b'}]}, 0x3c}}, 0x810) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x84, 0x0, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x58, 0x8, 0x0, 0x1, [{0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5fcc21d2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d32a9d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5c097b49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5845431a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x64a9042f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0x20048855) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x22, 0xa, '@\xef<\r+\x8e\x82:\x9f#\xbe)\xfc\xf9\x93\xe01\xd9\xd16\xc2\xf4y\xf6\x0f\xd3q\x9c\xfb\b'}]}, 0x3c}}, 0x810) (async) 12:48:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x1, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x24}}, 0x80) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r3, @ANYRES16=r3, @ANYBLOB="09002dbd7000fbdbdf25020000000c000800fe000000000000000c000800040000100000000004000a000c0006000000000000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x24004001}, 0x8804) [ 1712.987859] nbd: must specify a size in bytes for the device 12:48:19 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x84, 0x0, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x58, 0x8, 0x0, 0x1, [{0x54, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbf}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5fcc21d2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d32a9d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5c097b49}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5845431a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x64a9042f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfd}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0x20048855) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x22, 0xa, '@\xef<\r+\x8e\x82:\x9f#\xbe)\xfc\xf9\x93\xe01\xd9\xd16\xc2\xf4y\xf6\x0f\xd3q\x9c\xfb\b'}]}, 0x3c}}, 0x810) 12:48:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x400}, 0x14}}, 0x1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r6, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x4044802) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x400}, 0x14}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r6, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x4044802) (async) [ 1713.080339] nbd: must specify a size in bytes for the device [ 1713.096122] nbd: must specify a device to reconfigure [ 1713.119990] nbd: must specify a size in bytes for the device 12:48:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x70, r1, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x298b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x4004802) (async, rerun: 32) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async, rerun: 32) r6 = socket(0x1a, 0x2, 0xef9) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) 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$netlbl_cipso(&(0x7f0000000280), r9) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r11, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r10, 0x401}, 0x14}}, 0x0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0xb8, r10, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x5c, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x18854b0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9208}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x141}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61bc2b1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52f80bfe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e9a4475}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x19f9ac1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x13ec2d4d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x59dd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x435}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40800}, 0x20000040) r12 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) (async, rerun: 32) r13 = socket(0x1d, 0x6, 0x7fffffff) (rerun: 32) r14 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r14, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, r5, 0x300, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r14}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20085}, 0x40810) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010400000000000000000100000004000780"], 0x18}}, 0x0) 12:48:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="64f6bf0000040007800ccd0200"/34], 0x24}}, 0x0) 12:48:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="d992175910ffffffffffffffffa7"], 0x14}}, 0x0) 12:48:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/conn_reuse_mode\x00', 0x2, 0x0) (async) r6 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0), 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000200), 0x8) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x9c, 0x0, 0x320, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x11, 0xa, 'NLBL_CIPSOv4\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x4000000}, 0x11) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r11) (async, rerun: 32) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r12, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1713.134571] nbd: must specify a size in bytes for the device 12:48:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="64f6bf0000040007800ccd0200"/34], 0x24}}, 0x0) [ 1713.226571] nbd: must specify a device to reconfigure 12:48:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x400}, 0x14}}, 0x1) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r6, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x4044802) 12:48:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000084}, 0x8000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="d992175910ffffffffffffffffa7"], 0x14}}, 0x0) [ 1713.255786] nbd: must specify a size in bytes for the device 12:48:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010800142800000000000000000005000a005c0000000c0004000000000000000000c8ccc0f1e95f3d5dd3b58e976e4f7cba37096dc1d97514629c1f6e034833e4"], 0x28}}, 0x0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x70, r5, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x70, r1, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x298b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x4004802) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) r6 = socket(0x1a, 0x2, 0xef9) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r9) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r11, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r10, 0x401}, 0x14}}, 0x0) (async, rerun: 64) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0xb8, r10, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x5c, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x18854b0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9208}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x141}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61bc2b1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52f80bfe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e9a4475}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x19f9ac1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x13ec2d4d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x59dd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x435}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40800}, 0x20000040) (rerun: 64) r12 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) r13 = socket(0x1d, 0x6, 0x7fffffff) (async) r14 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r14, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, r5, 0x300, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r14}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20085}, 0x40810) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010400000000000000000100000004000780"], 0x18}}, 0x0) [ 1713.305719] nbd: must specify a size in bytes for the device [ 1713.314978] nbd: must specify a size in bytes for the device 12:48:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="64f6bf0000040007800ccd0200"/34], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="64f6bf0000040007800ccd0200"/34], 0x24}}, 0x0) (async) 12:48:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000084}, 0x8000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="d992175910ffffffffffffffffa7"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="d992175910ffffffffffffffffa7"], 0x14}}, 0x0) (async) 12:48:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) [ 1713.387626] nbd: must specify at least one socket [ 1713.404800] nbd: must specify a device to reconfigure 12:48:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010800142800000000000000000005000a005c0000000c0004000000000000000000c8ccc0f1e95f3d5dd3b58e976e4f7cba37096dc1d97514629c1f6e034833e4"], 0x28}}, 0x0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x70, r5, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$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$nbd(&(0x7f0000000280), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010800142800000000000000000005000a005c0000000c0004000000000000000000c8ccc0f1e95f3d5dd3b58e976e4f7cba37096dc1d97514629c1f6e034833e4"], 0x28}}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x70, r5, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000040), 0x4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) r5 = socket(0x2, 0x6, 0x1) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0), 0x8) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x6c, r4, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5870}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x6c}}, 0x20000001) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x2c}}, 0x0) [ 1713.441508] nbd: must specify a size in bytes for the device [ 1713.472977] nbd: must specify a size in bytes for the device 12:48:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x38, r5, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8c}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x40) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r3, 0x800, 0x3, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x20040884) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x20008010) 12:48:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000084}, 0x8000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000084}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 12:48:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) [ 1713.529179] nbd: must specify at least one socket [ 1713.548089] nbd: must specify at least one socket [ 1713.585130] nbd: must specify a size in bytes for the device [ 1713.612861] nbd: must specify a size in bytes for the device [ 1713.625070] nbd: must specify at least one socket 12:48:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010800142800000000000000000005000a005c0000000c0004000000000000000000c8ccc0f1e95f3d5dd3b58e976e4f7cba37096dc1d97514629c1f6e034833e4"], 0x28}}, 0x0) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x70, r5, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x2c}}, 0x0) 12:48:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="24c70f000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) [ 1713.633314] nbd: must specify a device to reconfigure [ 1713.653992] nbd: must specify at least one socket [ 1713.668062] nbd: must specify at least one socket [ 1713.673913] nbd: must specify a size in bytes for the device 12:48:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x38, r5, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8c}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x40) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r3, 0x800, 0x3, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x20040884) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x20008010) 12:48:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) [ 1713.704804] nbd: must specify at least one socket [ 1713.720290] nbd: must specify at least one socket 12:48:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000040), 0x4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async, rerun: 64) r5 = socket(0x2, 0x6, 0x1) (async, rerun: 32) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (rerun: 32) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) (async) r9 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0), 0x8) (async) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x6c, r4, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5870}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x6c}}, 0x20000001) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x2c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x2c}}, 0x0) (async) 12:48:20 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0x34, r3, 0x622, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x3f, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x34}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r5, 0x200, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x81}, 0x4010) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1713.747378] nbd: must specify a size in bytes for the device [ 1713.769458] nbd: must specify a size in bytes for the device 12:48:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="24c70f000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 12:48:20 executing program 4: ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000000c0)={'syztnl0\x00', &(0x7f0000000000)={'ip6tnl0\x00', 0x0, 0x4, 0x6, 0x7f, 0x9ba, 0x9, @empty, @private2, 0x80, 0x7, 0x8, 0x80000000}}) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'tunl0\x00', &(0x7f00000001c0)={'syztnl0\x00', r0, 0x700, 0x8000, 0x8, 0x3, {{0x1b, 0x4, 0x0, 0x4, 0x6c, 0x65, 0x0, 0xc1, 0x2f, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @broadcast, {[@ssrr={0x89, 0x1b, 0x8a, [@empty, @private=0xa010102, @empty, @local, @private=0xa010102, @private=0xa010100]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0xc, 0x14, 0x0, 0x3, [0x1200, 0x5]}, @timestamp={0x44, 0x8, 0x52, 0x0, 0x4, [0x8]}, @lsrr={0x83, 0x1f, 0x8, [@broadcast, @private=0xa010101, @dev={0xac, 0x14, 0x14, 0x1c}, @multicast1, @rand_addr=0x64010102, @broadcast, @multicast2]}, @generic={0x89, 0x5, "ed768a"}]}}}}}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x300}, 0x14}}, 0x0) [ 1713.823533] nbd: must specify at least one socket [ 1713.887961] nbd: must specify at least one socket [ 1713.903121] nbd: must specify a device to reconfigure 12:48:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="24c70f000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 12:48:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x38, r5, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8c}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x40) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r3, 0x800, 0x3, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x20040884) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x20008010) 12:48:20 executing program 4: ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000000c0)={'syztnl0\x00', &(0x7f0000000000)={'ip6tnl0\x00', 0x0, 0x4, 0x6, 0x7f, 0x9ba, 0x9, @empty, @private2, 0x80, 0x7, 0x8, 0x80000000}}) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'tunl0\x00', &(0x7f00000001c0)={'syztnl0\x00', r0, 0x700, 0x8000, 0x8, 0x3, {{0x1b, 0x4, 0x0, 0x4, 0x6c, 0x65, 0x0, 0xc1, 0x2f, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @broadcast, {[@ssrr={0x89, 0x1b, 0x8a, [@empty, @private=0xa010102, @empty, @local, @private=0xa010102, @private=0xa010100]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0xc, 0x14, 0x0, 0x3, [0x1200, 0x5]}, @timestamp={0x44, 0x8, 0x52, 0x0, 0x4, [0x8]}, @lsrr={0x83, 0x1f, 0x8, [@broadcast, @private=0xa010101, @dev={0xac, 0x14, 0x14, 0x1c}, @multicast1, @rand_addr=0x64010102, @broadcast, @multicast2]}, @generic={0x89, 0x5, "ed768a"}]}}}}}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x300}, 0x14}}, 0x0) [ 1713.928434] nbd: must specify a size in bytes for the device [ 1713.937592] nbd: must specify a size in bytes for the device [ 1713.957834] nbd: must specify a size in bytes for the device 12:48:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0x34, r3, 0x622, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x3f, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x34}}, 0x0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r5, 0x200, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x81}, 0x4010) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1b632fa6711e9bc6b5e8c762873f43844da8d28c8396b4c7f14f2960e80ddbae9648bfe2bd3e2dd03c8a27719d3a3e96d27d6db47f31c012fe263f59dc4106df352c1ac45e9b3268a38a4ffd5508ea2d1bf6c547a6cdda3b69d4f7f260e59da8250e33a00075b13e01cdf91b8012e2ebc2b71affd114511049b63e710f4dc803", @ANYRES16=r2, @ANYBLOB="000129bd7000fddbdf25020000000c0006000200000000000000"], 0x20}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) [ 1713.980026] nbd: must specify a size in bytes for the device 12:48:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x34000000) 12:48:20 executing program 2: r0 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='dctcp\x00', 0x6) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x1}, 0x14}}, 0x0) [ 1714.046226] nbd: must specify at least one socket [ 1714.081221] nbd: must specify a device to reconfigure [ 1714.097616] nbd: must specify a size in bytes for the device [ 1714.139901] nbd: must specify at least one socket [ 1714.161170] nbd: couldn't find device at index 1 12:48:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000040), 0x4) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) r5 = socket(0x2, 0x6, 0x1) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0), 0x8) (async) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x6c, r4, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5870}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}]}, 0x6c}}, 0x20000001) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:21 executing program 4: ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000000c0)={'syztnl0\x00', &(0x7f0000000000)={'ip6tnl0\x00', 0x0, 0x4, 0x6, 0x7f, 0x9ba, 0x9, @empty, @private2, 0x80, 0x7, 0x8, 0x80000000}}) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'tunl0\x00', &(0x7f00000001c0)={'syztnl0\x00', r0, 0x700, 0x8000, 0x8, 0x3, {{0x1b, 0x4, 0x0, 0x4, 0x6c, 0x65, 0x0, 0xc1, 0x2f, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @broadcast, {[@ssrr={0x89, 0x1b, 0x8a, [@empty, @private=0xa010102, @empty, @local, @private=0xa010102, @private=0xa010100]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0xc, 0x14, 0x0, 0x3, [0x1200, 0x5]}, @timestamp={0x44, 0x8, 0x52, 0x0, 0x4, [0x8]}, @lsrr={0x83, 0x1f, 0x8, [@broadcast, @private=0xa010101, @dev={0xac, 0x14, 0x14, 0x1c}, @multicast1, @rand_addr=0x64010102, @broadcast, @multicast2]}, @generic={0x89, 0x5, "ed768a"}]}}}}}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x300}, 0x14}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000000c0)={'syztnl0\x00', &(0x7f0000000000)={'ip6tnl0\x00', 0x0, 0x4, 0x6, 0x7f, 0x9ba, 0x9, @empty, @private2, 0x80, 0x7, 0x8, 0x80000000}}) (async) ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000100)={'tunl0\x00', &(0x7f00000001c0)={'syztnl0\x00', r0, 0x700, 0x8000, 0x8, 0x3, {{0x1b, 0x4, 0x0, 0x4, 0x6c, 0x65, 0x0, 0xc1, 0x2f, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @broadcast, {[@ssrr={0x89, 0x1b, 0x8a, [@empty, @private=0xa010102, @empty, @local, @private=0xa010102, @private=0xa010100]}, @ra={0x94, 0x4, 0x1}, @timestamp={0x44, 0xc, 0x14, 0x0, 0x3, [0x1200, 0x5]}, @timestamp={0x44, 0x8, 0x52, 0x0, 0x4, [0x8]}, @lsrr={0x83, 0x1f, 0x8, [@broadcast, @private=0xa010101, @dev={0xac, 0x14, 0x14, 0x1c}, @multicast1, @rand_addr=0x64010102, @broadcast, @multicast2]}, @generic={0x89, 0x5, "ed768a"}]}}}}}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x300}, 0x14}}, 0x0) (async) 12:48:21 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$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1b632fa6711e9bc6b5e8c762873f43844da8d28c8396b4c7f14f2960e80ddbae9648bfe2bd3e2dd03c8a27719d3a3e96d27d6db47f31c012fe263f59dc4106df352c1ac45e9b3268a38a4ffd5508ea2d1bf6c547a6cdda3b69d4f7f260e59da8250e33a00075b13e01cdf91b8012e2ebc2b71affd114511049b63e710f4dc803", @ANYRES16=r2, @ANYBLOB="000129bd7000fddbdf25020000000c0006000200000000000000"], 0x20}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1b632fa6711e9bc6b5e8c762873f43844da8d28c8396b4c7f14f2960e80ddbae9648bfe2bd3e2dd03c8a27719d3a3e96d27d6db47f31c012fe263f59dc4106df352c1ac45e9b3268a38a4ffd5508ea2d1bf6c547a6cdda3b69d4f7f260e59da8250e33a00075b13e01cdf91b8012e2ebc2b71affd114511049b63e710f4dc803", @ANYRES16=r2, @ANYBLOB="000129bd7000fddbdf25020000000c0006000200000000000000"], 0x20}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) 12:48:21 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0x34, r3, 0x622, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x3f, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x34}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r5, 0x200, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x81}, 0x4010) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0x34, r3, 0x622, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x3f, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x34}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r5, 0x200, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x81}, 0x4010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:21 executing program 2: r0 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='dctcp\x00', 0x6) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x1}, 0x14}}, 0x0) socket$inet_smc(0x2b, 0x1, 0x0) (async) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='dctcp\x00', 0x6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) 12:48:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x34000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) (async) socket(0x1e, 0x1, 0x4) (async) socket(0x2c, 0x1, 0xfff) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x34000000) (async) 12:48:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r5) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) [ 1714.462287] nbd: must specify a device to reconfigure [ 1714.470753] nbd: must specify a device to reconfigure [ 1714.482240] nbd: couldn't find device at index 1 [ 1714.487693] nbd: must specify at least one socket [ 1714.503314] nbd: must specify a device to reconfigure 12:48:21 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$nbd(&(0x7f0000000280), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1b632fa6711e9bc6b5e8c762873f43844da8d28c8396b4c7f14f2960e80ddbae9648bfe2bd3e2dd03c8a27719d3a3e96d27d6db47f31c012fe263f59dc4106df352c1ac45e9b3268a38a4ffd5508ea2d1bf6c547a6cdda3b69d4f7f260e59da8250e33a00075b13e01cdf91b8012e2ebc2b71affd114511049b63e710f4dc803", @ANYRES16=r2, @ANYBLOB="000129bd7000fddbdf25020000000c0006000200000000000000"], 0x20}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) (async, rerun: 64) r7 = socket(0x2c, 0x1, 0xfff) (async, rerun: 64) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x34000000) (rerun: 32) 12:48:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x20}}, 0x4050) 12:48:21 executing program 5: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r0, &(0x7f0000000400)={0x8}, 0x8) connect$rds(r0, &(0x7f0000000100)={0x2, 0x4e21, @private=0xa010101}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x20, r2, 0x200, 0x0, 0x3, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}}, 0xc001) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RSTATu(r4, 0x0, 0x0) write$P9_RSTAT(r4, &(0x7f0000000040)={0x46, 0x7d, 0x2, {0x0, 0x3f, 0x400, 0x5510, {0x10, 0x1, 0x4}, 0x10000, 0x7fff, 0x8efa, 0x2b43, 0x2, '{{', 0x4, 'nbd\x00', 0x2, '$@', 0x4, 'nbd\x00'}}, 0x46) 12:48:21 executing program 2: r0 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='dctcp\x00', 0x6) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x1}, 0x14}}, 0x0) [ 1714.508693] nbd: must specify a size in bytes for the device [ 1714.516243] nbd: must specify a size in bytes for the device [ 1714.537335] nbd: must specify at least one socket [ 1714.543550] nbd: must specify a device to reconfigure [ 1714.556949] nbd: must specify at least one socket 12:48:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r5) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r5) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) [ 1714.616378] nbd: must specify a device to reconfigure 12:48:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="12000000000000000000d692c066af206ed22de2ecf70000040007800c0002000000000000000000"], 0x24}}, 0x0) 12:48:21 executing program 5: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r0, &(0x7f0000000400)={0x8}, 0x8) connect$rds(r0, &(0x7f0000000100)={0x2, 0x4e21, @private=0xa010101}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x20, r2, 0x200, 0x0, 0x3, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}}, 0xc001) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RSTATu(r4, 0x0, 0x0) write$P9_RSTAT(r4, &(0x7f0000000040)={0x46, 0x7d, 0x2, {0x0, 0x3f, 0x400, 0x5510, {0x10, 0x1, 0x4}, 0x10000, 0x7fff, 0x8efa, 0x2b43, 0x2, '{{', 0x4, 'nbd\x00', 0x2, '$@', 0x4, 'nbd\x00'}}, 0x46) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r0, &(0x7f0000000400)={0x8}, 0x8) (async) connect$rds(r0, &(0x7f0000000100)={0x2, 0x4e21, @private=0xa010101}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x20, r2, 0x200, 0x0, 0x3, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}}, 0xc001) (async) pipe2$9p(&(0x7f00000000c0), 0x4000) (async) write$P9_RSTATu(r4, 0x0, 0x0) (async) write$P9_RSTAT(r4, &(0x7f0000000040)={0x46, 0x7d, 0x2, {0x0, 0x3f, 0x400, 0x5510, {0x10, 0x1, 0x4}, 0x10000, 0x7fff, 0x8efa, 0x2b43, 0x2, '{{', 0x4, 'nbd\x00', 0x2, '$@', 0x4, 'nbd\x00'}}, 0x46) (async) 12:48:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="12000000000000000000d692c066af206ed22de2ecf70000040007800c0002000000000000000000"], 0x24}}, 0x0) 12:48:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="7d00d63ef72a484002dd01020a03", @ANYRES16=r1, @ANYBLOB="00022040bf03fa64a8145b000000"], 0x14}, 0x1, 0x0, 0x0, 0x14804}, 0x0) [ 1714.688115] nbd: must specify at least one socket [ 1714.706214] nbd: must specify a device to reconfigure [ 1714.712562] nbd: must specify a size in bytes for the device [ 1714.732410] nbd: must specify at least one socket 12:48:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x20}}, 0x4050) 12:48:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0xf1ee96e3d9e4116c}, {0x5, 0x3, 0x7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x8080}, 0x6489faef8e8dc469) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000480), 0x8) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x74, r2, 0x2, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x74}, 0x1, 0x0, 0x0, 0x20000001}, 0x4) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r7 = bpf$PROG_LOAD(0x5, &(0x7f00000002c0)={0xab028db24090d291, 0x8, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x7}, @call={0x85, 0x0, 0x0, 0x7b}, @map_val={0x18, 0x2, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1}]}, &(0x7f0000000040)='GPL\x00', 0xffffffff, 0xbf, &(0x7f00000001c0)=""/191, 0x41100, 0x2, '\x00', 0x0, 0x1, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x7, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x2, 0x1, 0x8}, 0x10, 0xffffffffffffffff}, 0x80) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000380)={r7, r8, 0x1c}, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f0000000880)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x50800022}, 0xc, &(0x7f0000000840)={&(0x7f0000000600)={0x208, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLST={0x14c, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3e74ef81}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x122b5f5a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x248ba35d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7a8ac597}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x259a4d4f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x566bcf09}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4eff7cfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x564859b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe981776}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42b304ff}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x45}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x88}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4c4bcdb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x99}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x87}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51557e93}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x63dc7028}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x36f4a9a1}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5eea9d52}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x46}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6b45780c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x41}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x4}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xa0, 0xc, 0x0, 0x1, [{0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78a37316}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3fa9fab4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x31ce7b79}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7dfa}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x769f0cbe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1226e19}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6961}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e29b5c6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ea828dd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb1bcef6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x234ca5d1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xad16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2c25}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x816148f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfcc7}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9fd}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58f63445}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1aaed0ce}]}]}]}, 0x208}, 0x1, 0x0, 0x0, 0x800}, 0x48c0) r11 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000900), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f00000009c0)={&(0x7f00000008c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000980)={&(0x7f0000000940)={0x1c, r11, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8844) [ 1714.742546] nbd: couldn't find device at index 1 12:48:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r5) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) 12:48:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="7d00d63ef72a484002dd01020a03", @ANYRES16=r1, @ANYBLOB="00022040bf03fa64a8145b000000"], 0x14}, 0x1, 0x0, 0x0, 0x14804}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="7d00d63ef72a484002dd01020a03", @ANYRES16=r1, @ANYBLOB="00022040bf03fa64a8145b000000"], 0x14}, 0x1, 0x0, 0x0, 0x14804}, 0x0) (async) 12:48:21 executing program 5: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r0, &(0x7f0000000400)={0x8}, 0x8) connect$rds(r0, &(0x7f0000000100)={0x2, 0x4e21, @private=0xa010101}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x20, r2, 0x200, 0x0, 0x3, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}}, 0xc001) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RSTATu(r4, 0x0, 0x0) write$P9_RSTAT(r4, &(0x7f0000000040)={0x46, 0x7d, 0x2, {0x0, 0x3f, 0x400, 0x5510, {0x10, 0x1, 0x4}, 0x10000, 0x7fff, 0x8efa, 0x2b43, 0x2, '{{', 0x4, 'nbd\x00', 0x2, '$@', 0x4, 'nbd\x00'}}, 0x46) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r0, &(0x7f0000000400)={0x8}, 0x8) (async) connect$rds(r0, &(0x7f0000000100)={0x2, 0x4e21, @private=0xa010101}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x20, r2, 0x200, 0x0, 0x3, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}}, 0xc001) (async) pipe2$9p(&(0x7f00000000c0), 0x4000) (async) write$P9_RSTATu(r4, 0x0, 0x0) (async) write$P9_RSTAT(r4, &(0x7f0000000040)={0x46, 0x7d, 0x2, {0x0, 0x3f, 0x400, 0x5510, {0x10, 0x1, 0x4}, 0x10000, 0x7fff, 0x8efa, 0x2b43, 0x2, '{{', 0x4, 'nbd\x00', 0x2, '$@', 0x4, 'nbd\x00'}}, 0x46) (async) 12:48:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="12000000000000000000d692c066af206ed22de2ecf70000040007800c0002000000000000000000"], 0x24}}, 0x0) 12:48:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="7d00d63ef72a484002dd01020a03", @ANYRES16=r1, @ANYBLOB="00022040bf03fa64a8145b000000"], 0x14}, 0x1, 0x0, 0x0, 0x14804}, 0x0) 12:48:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x20}}, 0x4050) 12:48:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0xf1ee96e3d9e4116c}, {0x5, 0x3, 0x7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x8080}, 0x6489faef8e8dc469) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000480), 0x8) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x74, r2, 0x2, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x74}, 0x1, 0x0, 0x0, 0x20000001}, 0x4) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r7 = bpf$PROG_LOAD(0x5, &(0x7f00000002c0)={0xab028db24090d291, 0x8, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x7}, @call={0x85, 0x0, 0x0, 0x7b}, @map_val={0x18, 0x2, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1}]}, &(0x7f0000000040)='GPL\x00', 0xffffffff, 0xbf, &(0x7f00000001c0)=""/191, 0x41100, 0x2, '\x00', 0x0, 0x1, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x7, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x2, 0x1, 0x8}, 0x10, 0xffffffffffffffff}, 0x80) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000380)={r7, r8, 0x1c}, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f0000000880)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x50800022}, 0xc, &(0x7f0000000840)={&(0x7f0000000600)={0x208, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLST={0x14c, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3e74ef81}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x122b5f5a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x248ba35d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7a8ac597}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x259a4d4f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x566bcf09}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4eff7cfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x564859b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe981776}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42b304ff}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x45}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x88}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4c4bcdb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x99}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x87}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51557e93}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x63dc7028}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x36f4a9a1}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5eea9d52}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x46}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6b45780c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x41}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x4}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xa0, 0xc, 0x0, 0x1, [{0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78a37316}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3fa9fab4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x31ce7b79}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7dfa}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x769f0cbe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1226e19}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6961}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e29b5c6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ea828dd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb1bcef6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x234ca5d1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xad16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2c25}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x816148f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfcc7}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9fd}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58f63445}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1aaed0ce}]}]}]}, 0x208}, 0x1, 0x0, 0x0, 0x800}, 0x48c0) r11 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000900), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f00000009c0)={&(0x7f00000008c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000980)={&(0x7f0000000940)={0x1c, r11, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8844) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0xf1ee96e3d9e4116c}, {0x5, 0x3, 0x7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x8080}, 0x6489faef8e8dc469) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000480), 0x8) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x74, r2, 0x2, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x74}, 0x1, 0x0, 0x0, 0x20000001}, 0x4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) bpf$PROG_LOAD(0x5, &(0x7f00000002c0)={0xab028db24090d291, 0x8, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x7}, @call={0x85, 0x0, 0x0, 0x7b}, @map_val={0x18, 0x2, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1}]}, &(0x7f0000000040)='GPL\x00', 0xffffffff, 0xbf, &(0x7f00000001c0)=""/191, 0x41100, 0x2, '\x00', 0x0, 0x1, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x7, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x2, 0x1, 0x8}, 0x10, 0xffffffffffffffff}, 0x80) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8) (async) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000380)={r7, r8, 0x1c}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f0000000880)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x50800022}, 0xc, &(0x7f0000000840)={&(0x7f0000000600)={0x208, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLST={0x14c, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3e74ef81}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x122b5f5a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x248ba35d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7a8ac597}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x259a4d4f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x566bcf09}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4eff7cfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x564859b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe981776}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42b304ff}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x45}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x88}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4c4bcdb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x99}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x87}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51557e93}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x63dc7028}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x36f4a9a1}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5eea9d52}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x46}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6b45780c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x41}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x4}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xa0, 0xc, 0x0, 0x1, [{0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78a37316}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3fa9fab4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x31ce7b79}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7dfa}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x769f0cbe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1226e19}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6961}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e29b5c6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ea828dd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb1bcef6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x234ca5d1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xad16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2c25}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x816148f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfcc7}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9fd}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58f63445}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1aaed0ce}]}]}]}, 0x208}, 0x1, 0x0, 0x0, 0x800}, 0x48c0) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000900), 0xffffffffffffffff) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f00000009c0)={&(0x7f00000008c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000980)={&(0x7f0000000940)={0x1c, r11, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8844) (async) 12:48:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/am_droprate\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000440)=ANY=[@ANYBLOB="00004d4a14ee8f4f086a3d3324b5e9b9890000", @ANYRES16=r2, @ANYBLOB="10022dbd7000ffdbdf25030000000c00050000000000000000000c00080003000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c0005000001000000000000"], 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1714.913036] nbd: must specify a size in bytes for the device 12:48:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) [ 1714.956728] nbd: must specify a device to reconfigure 12:48:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4d8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4800}, 0x40) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x3c, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80d0}, 0x80) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffff7f", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000004c0)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000500), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x5c, r1, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80a8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x5c}, 0x1, 0x0, 0x0, 0x800}, 0x44004) [ 1714.981753] nbd: must specify at least one socket 12:48:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) 12:48:21 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0xf1ee96e3d9e4116c}, {0x5, 0x3, 0x7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x8080}, 0x6489faef8e8dc469) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) (async) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000480), 0x8) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x74, r2, 0x2, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x74}, 0x1, 0x0, 0x0, 0x20000001}, 0x4) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r7 = bpf$PROG_LOAD(0x5, &(0x7f00000002c0)={0xab028db24090d291, 0x8, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x100, 0x0, 0x0, 0x0, 0x7}, @call={0x85, 0x0, 0x0, 0x7b}, @map_val={0x18, 0x2, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1}]}, &(0x7f0000000040)='GPL\x00', 0xffffffff, 0xbf, &(0x7f00000001c0)=""/191, 0x41100, 0x2, '\x00', 0x0, 0x1, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x7, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x2, 0x1, 0x8}, 0x10, 0xffffffffffffffff}, 0x80) (async) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000380)={r7, r8, 0x1c}, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f0000000880)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x50800022}, 0xc, &(0x7f0000000840)={&(0x7f0000000600)={0x208, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MLSLVLLST={0x14c, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3e74ef81}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x122b5f5a}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x248ba35d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7a8ac597}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x259a4d4f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x566bcf09}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4eff7cfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x564859b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe981776}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42b304ff}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x45}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x88}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4c4bcdb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x99}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x87}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51557e93}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x63dc7028}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xeb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x36f4a9a1}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5eea9d52}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x46}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6b45780c}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x41}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x4}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xa0, 0xc, 0x0, 0x1, [{0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78a37316}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3fa9fab4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x31ce7b79}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7dfa}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x769f0cbe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1226e19}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6961}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e29b5c6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ea828dd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb1bcef6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x234ca5d1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xad16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2c25}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x816148f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfcc7}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa9fd}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x58f63445}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1aaed0ce}]}]}]}, 0x208}, 0x1, 0x0, 0x0, 0x800}, 0x48c0) (async) r11 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000900), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r10, &(0x7f00000009c0)={&(0x7f00000008c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000980)={&(0x7f0000000940)={0x1c, r11, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8844) 12:48:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/am_droprate\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000440)=ANY=[@ANYBLOB="00004d4a14ee8f4f086a3d3324b5e9b9890000", @ANYRES16=r2, @ANYBLOB="10022dbd7000ffdbdf25030000000c00050000000000000000000c00080003000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c0005000001000000000000"], 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/am_droprate\x00', 0x2, 0x0) (async) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000440)=ANY=[@ANYBLOB="00004d4a14ee8f4f086a3d3324b5e9b9890000", @ANYRES16=r2, @ANYBLOB="10022dbd7000ffdbdf25030000000c00050000000000000000000c00080003000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c0005000001000000000000"], 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="0074334fea6920ecc70fa58ac132c4797e6ec1dafb2f60d62e9383ce46c37c595cd1cc1635ced60556d41857a577c2fcfbef0615", @ANYRES16=r1, @ANYBLOB="5e67453fd050faed99770000007e"], 0x18}}, 0x0) [ 1715.070766] nbd: must specify a size in bytes for the device 12:48:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4d8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4800}, 0x40) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x3c, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80d0}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffff7f", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000004c0)) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000500), r6) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x5c, r1, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80a8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x5c}, 0x1, 0x0, 0x0, 0x800}, 0x44004) 12:48:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async) 12:48:21 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:22 executing program 1: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r0, &(0x7f0000000400)={0x8}, 0x8) connect$rds(r0, &(0x7f0000000100)={0x2, 0x4e21, @private=0xa010101}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x20, r2, 0x200, 0x0, 0x3, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}}, 0xc001) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RSTATu(r4, 0x0, 0x0) write$P9_RSTAT(r4, &(0x7f0000000040)={0x46, 0x7d, 0x2, {0x0, 0x3f, 0x400, 0x5510, {0x10, 0x1, 0x4}, 0x10000, 0x7fff, 0x8efa, 0x2b43, 0x2, '{{', 0x4, 'nbd\x00', 0x2, '$@', 0x4, 'nbd\x00'}}, 0x46) 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="0074334fea6920ecc70fa58ac132c4797e6ec1dafb2f60d62e9383ce46c37c595cd1cc1635ced60556d41857a577c2fcfbef0615", @ANYRES16=r1, @ANYBLOB="5e67453fd050faed99770000007e"], 0x18}}, 0x0) 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4d8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4800}, 0x40) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x3c, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80d0}, 0x80) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffff7f", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000004c0)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000500), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x5c, r1, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80a8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x5c}, 0x1, 0x0, 0x0, 0x800}, 0x44004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4d8}]}, 0x58}, 0x1, 0x0, 0x0, 0x4800}, 0x40) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r2) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x3c, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80d0}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffff7f", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000004c0)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000500), r6) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x5c, r1, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80a8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x5c}, 0x1, 0x0, 0x0, 0x800}, 0x44004) (async) [ 1715.198560] nbd: must specify a size in bytes for the device 12:48:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/am_droprate\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000440)=ANY=[@ANYBLOB="00004d4a14ee8f4f086a3d3324b5e9b9890000", @ANYRES16=r2, @ANYBLOB="10022dbd7000ffdbdf25030000000c00050000000000000000000c00080003000000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c0005000001000000000000"], 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r2, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4048850) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, r4, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&\xd1'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xcf9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1e3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8080}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_open_dev$dri(&(0x7f0000000080), 0x800, 0x2a0001) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=ANY=[@ANYBLOB="309300009cfcb187de31bd0500f48b6880c07ed6", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 12:48:22 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r5) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="0074334fea6920ecc70fa58ac132c4797e6ec1dafb2f60d62e9383ce46c37c595cd1cc1635ced60556d41857a577c2fcfbef0615", @ANYRES16=r1, @ANYBLOB="5e67453fd050faed99770000007e"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="0074334fea6920ecc70fa58ac132c4797e6ec1dafb2f60d62e9383ce46c37c595cd1cc1635ced60556d41857a577c2fcfbef0615", @ANYRES16=r1, @ANYBLOB="5e67453fd050faed99770000007e"], 0x18}}, 0x0) (async) 12:48:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0104000000000000090004000000"], 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r3, 0x230, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000f80000000800000004009380"], 0x18}}, 0x0) [ 1715.358066] nbd: must specify a size in bytes for the device 12:48:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r2, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4048850) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, r4, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&\xd1'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xcf9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1e3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8080}, 0x0) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_open_dev$dri(&(0x7f0000000080), 0x800, 0x2a0001) (async, rerun: 64) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) (async, rerun: 64) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=ANY=[@ANYBLOB="309300009cfcb187de31bd0500f48b6880c07ed6", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) [ 1715.415164] nbd: must specify a device to reconfigure 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) r4 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r4, 0x54a3) ioctl$SNDRV_TIMER_IOCTL_START(r4, 0x54a0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) socketpair(0x9, 0x3, 0x6, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r5, 0x6, 0x14, &(0x7f0000000300)=0x1, 0x4) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RSTATu(r8, 0x0, 0x0) write$P9_RLINK(r8, &(0x7f0000000380)={0x7, 0x47, 0x1}, 0x7) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8, 0x35, 0x2}, 0x8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="b4000000", @ANYRES16=r1, @ANYBLOB="f100fd8408000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="3400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000a006e6264000c00050023010000000000000c00080005000000000000000800010000000000"], 0xb4}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) r10 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r10, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) setsockopt$inet_tcp_TLS_TX(r10, 0x6, 0x1, &(0x7f0000000000)=@gcm_128={{0x303}, "1b89af9faf3c4bb6", "2fe45768fdfe5bfee75a84ef11b30134", "3015811f", "ebe2eda0cc8475cd"}, 0x28) 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r5) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) [ 1715.436070] nbd: must specify at least one socket 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="7063ed45", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000000)={r3, 0x0, 0x25, 0x1}, 0x10) 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x468, 0x0, 0x4, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x174, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45ffe8eb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x58b9849d}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x102b1054}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x60}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x165f5077}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x55}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1aeec53d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5609753a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x372faeb2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c64867}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x303a6944}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x48}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8252af5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x79}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x66}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x473817b0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1b1faee8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x690bf1fc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x647775dc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53a7708}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x56daae3b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x714bdaa7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42161799}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe8}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x98, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x24}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x54}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x55b9483a}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x23}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69e3610f}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16a633c2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x776f150c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe7ea7f7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x256aae4e}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xcc, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ef01e49}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaec5}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6d03}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x270dd3be}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x429bda9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcc0b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7cf6}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5c97}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf141}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4a1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61cee65b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbbe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x600c}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x29}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24ad423c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2615c5b9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29c0ee16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc4a4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x62cf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2cc3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7261}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8655}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x15c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x67aa00bd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x33cc}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x62c4e110}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc32d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4341b64e}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x97b9}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x66f7}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xabec}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd69b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4e5a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2794e786}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6342a2d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbd3}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xeacb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfe69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x111d2f22}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x612f6e9f}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf256}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf648}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17f9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ef4ca96}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x846f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6e7540f0}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5320}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x26b9269}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2b43}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5aa6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x73b5e6aa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb875}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x364351a5}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a685b32}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc276}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xac97}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x32396a9e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7b3c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6850b36b}]}]}]}, 0x468}, 0x1, 0x0, 0x0, 0x800}, 0x40010) [ 1715.502644] nbd: must specify at least one socket 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x34000000) 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) r4 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r4, 0x54a3) ioctl$SNDRV_TIMER_IOCTL_START(r4, 0x54a0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) socketpair(0x9, 0x3, 0x6, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 64) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (rerun: 64) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r5, 0x6, 0x14, &(0x7f0000000300)=0x1, 0x4) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RSTATu(r8, 0x0, 0x0) write$P9_RLINK(r8, &(0x7f0000000380)={0x7, 0x47, 0x1}, 0x7) (async) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8, 0x35, 0x2}, 0x8) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="b4000000", @ANYRES16=r1, @ANYBLOB="f100fd8408000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="3400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000a006e6264000c00050023010000000000000c00080005000000000000000800010000000000"], 0xb4}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) (rerun: 64) r10 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r10, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async) setsockopt$inet_tcp_TLS_TX(r10, 0x6, 0x1, &(0x7f0000000000)=@gcm_128={{0x303}, "1b89af9faf3c4bb6", "2fe45768fdfe5bfee75a84ef11b30134", "3015811f", "ebe2eda0cc8475cd"}, 0x28) 12:48:22 executing program 5: r0 = syz_init_net_socket$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$netlbl_cipso(&(0x7f0000000280), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0104000000000000090004000000"], 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r3, 0x230, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x80) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000f80000000800000004009380"], 0x18}}, 0x0) [ 1715.535624] nbd: must specify a device to reconfigure [ 1715.552603] nbd: must specify at least one socket 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="7063ed45", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000000)={r3, 0x0, 0x25, 0x1}, 0x10) 12:48:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r2, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4048850) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, r4, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&\xd1'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xcf9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1e3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8080}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_open_dev$dri(&(0x7f0000000080), 0x800, 0x2a0001) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=ANY=[@ANYBLOB="309300009cfcb187de31bd0500f48b6880c07ed6", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x2c, r2, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4048850) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r1) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, r4, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&\xd1'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xcf9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1e3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8080}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_open_dev$dri(&(0x7f0000000080), 0x800, 0x2a0001) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=ANY=[@ANYBLOB="309300009cfcb187de31bd0500f48b6880c07ed6", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) (async) 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x468, 0x0, 0x4, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x174, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45ffe8eb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x58b9849d}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x102b1054}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x60}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x165f5077}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x55}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1aeec53d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5609753a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x372faeb2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c64867}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x303a6944}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x48}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8252af5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x79}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x66}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x473817b0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1b1faee8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x690bf1fc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x647775dc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53a7708}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x56daae3b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x714bdaa7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42161799}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe8}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x98, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x24}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x54}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x55b9483a}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x23}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69e3610f}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16a633c2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x776f150c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe7ea7f7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x256aae4e}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xcc, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ef01e49}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaec5}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6d03}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x270dd3be}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x429bda9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcc0b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7cf6}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5c97}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf141}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4a1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61cee65b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbbe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x600c}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x29}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24ad423c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2615c5b9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29c0ee16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc4a4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x62cf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2cc3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7261}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8655}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x15c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x67aa00bd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x33cc}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x62c4e110}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc32d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4341b64e}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x97b9}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x66f7}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xabec}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd69b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4e5a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2794e786}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6342a2d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbd3}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xeacb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfe69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x111d2f22}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x612f6e9f}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf256}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf648}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17f9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ef4ca96}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x846f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6e7540f0}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5320}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x26b9269}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2b43}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5aa6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x73b5e6aa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb875}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x364351a5}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a685b32}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc276}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xac97}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x32396a9e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7b3c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6850b36b}]}]}]}, 0x468}, 0x1, 0x0, 0x0, 0x800}, 0x40010) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x468, 0x0, 0x4, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x174, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45ffe8eb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x58b9849d}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x102b1054}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x60}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x165f5077}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x55}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1aeec53d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5609753a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x372faeb2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c64867}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x303a6944}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x48}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8252af5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x79}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x66}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x473817b0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1b1faee8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x690bf1fc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x647775dc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53a7708}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x56daae3b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x714bdaa7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42161799}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe8}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x98, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x24}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x54}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x55b9483a}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x23}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69e3610f}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16a633c2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x776f150c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe7ea7f7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x256aae4e}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xcc, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ef01e49}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaec5}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6d03}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x270dd3be}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x429bda9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcc0b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7cf6}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5c97}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf141}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4a1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61cee65b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbbe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x600c}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x29}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24ad423c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2615c5b9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29c0ee16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc4a4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x62cf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2cc3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7261}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8655}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x15c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x67aa00bd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x33cc}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x62c4e110}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc32d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4341b64e}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x97b9}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x66f7}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xabec}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd69b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4e5a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2794e786}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6342a2d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbd3}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xeacb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfe69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x111d2f22}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x612f6e9f}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf256}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf648}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17f9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ef4ca96}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x846f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6e7540f0}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5320}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x26b9269}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2b43}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5aa6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x73b5e6aa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb875}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x364351a5}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a685b32}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc276}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xac97}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x32396a9e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7b3c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6850b36b}]}]}]}, 0x468}, 0x1, 0x0, 0x0, 0x800}, 0x40010) (async) 12:48:22 executing program 5: 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$netlbl_cipso(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0104000000000000090004000000"], 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r3, 0x230, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000f80000000800000004009380"], 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$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0104000000000000090004000000"], 0x14}}, 0x0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r3, 0x230, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x80) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000f80000000800000004009380"], 0x18}}, 0x0) (async) 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x34000000) 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="7063ed45", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 32) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000000)={r3, 0x0, 0x25, 0x1}, 0x10) (rerun: 32) [ 1715.668378] nbd: must specify a size in bytes for the device [ 1715.688720] nbd: must specify at least one socket [ 1715.706742] nbd: couldn't find device at index 1 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) r4 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000480), 0x0) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r4, 0x54a3) (async) ioctl$SNDRV_TIMER_IOCTL_START(r4, 0x54a0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 32) socketpair(0x9, 0x3, 0x6, &(0x7f00000000c0)={0xffffffffffffffff}) (async, rerun: 32) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 32) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (rerun: 32) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r5, 0x6, 0x14, &(0x7f0000000300)=0x1, 0x4) (async) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) write$P9_RSTATu(r8, 0x0, 0x0) write$P9_RLINK(r8, &(0x7f0000000380)={0x7, 0x47, 0x1}, 0x7) (async) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8, 0x35, 0x2}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="b4000000", @ANYRES16=r1, @ANYBLOB="f100fd8408000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="3400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000a006e6264000c00050023010000000000000c00080005000000000000000800010000000000"], 0xb4}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) r10 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r10, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async, rerun: 64) setsockopt$inet_tcp_TLS_TX(r10, 0x6, 0x1, &(0x7f0000000000)=@gcm_128={{0x303}, "1b89af9faf3c4bb6", "2fe45768fdfe5bfee75a84ef11b30134", "3015811f", "ebe2eda0cc8475cd"}, 0x28) (rerun: 64) 12:48:22 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) setsockopt$inet_tcp_TCP_QUEUE_SEQ(r0, 0x6, 0x15, &(0x7f0000000000)=0x1, 0x4) r1 = socket$inet_smc(0x2b, 0x1, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000000340)=@base={0x6, 0xffffffe1, 0x4, 0xffffffff, 0x1008, 0x1, 0x1, '\x00', 0x0, 0xffffffffffffffff, 0x3, 0x5, 0x2}, 0x48) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000480)={r5, &(0x7f00000003c0)="0ff82921e755f47ae08b3c404d842291a55cdd6f47f961f444e9727d9ef231bab4dca8d8fb705268846a2bc7968445903cde36ed209de466d2c5905c72e6fb9b056386ba0f08f1ff96", &(0x7f0000000440)=@tcp=r0, 0x2}, 0x20) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) ioctl$sock_inet_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f00000002c0)) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r7, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x20004010) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="f2ff0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000007fb5a8462fd2146ba102e2078e9566cb2d0c91cf2496c2c2ed3c20aa4c47376a775e56d03c0ef2d577f4a6dcaf7678ef0ab981b8aed9c5f45d5a213978b61d8b"], 0x24}}, 0x0) r9 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r9, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) setsockopt$inet_tcp_int(r9, 0x6, 0x24, &(0x7f0000000300)=0x4, 0x4) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x468, 0x0, 0x4, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x174, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45ffe8eb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb1}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x58b9849d}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcd}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x102b1054}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x60}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb3}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x165f5077}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x55}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1aeec53d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x31}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5609753a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x372faeb2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x49c64867}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x303a6944}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x48}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x8252af5}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x79}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb4}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x66}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x473817b0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1b1faee8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x690bf1fc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x647775dc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53a7708}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x56daae3b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x714bdaa7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x42161799}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3a}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe8}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLST={0x98, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x24}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x54}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x55b9483a}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x23}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x65}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xba}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69e3610f}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x16a633c2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x776f150c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xe7ea7f7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x256aae4e}]}]}, @NLBL_CIPSOV4_A_MLSCATLST={0xcc, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1ef01e49}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaec5}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6d03}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x270dd3be}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x429bda9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcc0b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7cf6}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5c97}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf141}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4a1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61cee65b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbbe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x600c}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x29}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24ad423c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2615c5b9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29c0ee16}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc4a4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x62cf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2cc3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7261}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8655}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x15c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x67aa00bd}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x33cc}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x62c4e110}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc32d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4341b64e}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x97b9}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x66f7}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xabec}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd69b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4e5a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2794e786}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6342a2d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbbd3}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xeacb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfe69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x111d2f22}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x612f6e9f}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf256}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf648}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x17f9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ef4ca96}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x846f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6e7540f0}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5320}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x26b9269}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2b43}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5aa6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x99a1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x73b5e6aa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb875}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x364351a5}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4a685b32}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc276}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xac97}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x32396a9e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7b3c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6850b36b}]}]}]}, 0x468}, 0x1, 0x0, 0x0, 0x800}, 0x40010) [ 1715.774763] nbd: must specify a size in bytes for the device [ 1715.809260] nbd: must specify a size in bytes for the device 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x41, 0xa, '\xba\xcekPr\xd4\xdd\xf3`\x19\x87\x1bx\x8c\xd8\x88\x85\xd9\xab\x17\xa5\x91\xe3\xc0\xff\xdbt\xf0\a1\xe5\xf7\xa4\xb7\xc9)\x9c#\r\xb3u\xca\xb4\xc9\xf5b\x99\x00'/61}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x64}}, 0x0) 12:48:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100000000d7b6f87949c42e36498ce5af079bb435ffc72332bbfcb9e30000"], 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r3, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x40}}, 0x10) 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) ioctl$KVM_IRQ_LINE(0xffffffffffffffff, 0x4008ae61, &(0x7f0000000000)={0xb5, 0xfb5}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) ioctl$KVM_IRQ_LINE(r3, 0x4008ae61, &(0x7f0000000040)={0x80000001, 0x6}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14040000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 1715.852733] nbd: must specify at least one socket [ 1715.864785] nbd: couldn't find device at index 1 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x34000000) 12:48:22 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) setsockopt$inet_tcp_TCP_QUEUE_SEQ(r0, 0x6, 0x15, &(0x7f0000000000)=0x1, 0x4) r1 = socket$inet_smc(0x2b, 0x1, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000000340)=@base={0x6, 0xffffffe1, 0x4, 0xffffffff, 0x1008, 0x1, 0x1, '\x00', 0x0, 0xffffffffffffffff, 0x3, 0x5, 0x2}, 0x48) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000480)={r5, &(0x7f00000003c0)="0ff82921e755f47ae08b3c404d842291a55cdd6f47f961f444e9727d9ef231bab4dca8d8fb705268846a2bc7968445903cde36ed209de466d2c5905c72e6fb9b056386ba0f08f1ff96", &(0x7f0000000440)=@tcp=r0, 0x2}, 0x20) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) ioctl$sock_inet_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f00000002c0)) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r7, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x20004010) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="f2ff0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000007fb5a8462fd2146ba102e2078e9566cb2d0c91cf2496c2c2ed3c20aa4c47376a775e56d03c0ef2d577f4a6dcaf7678ef0ab981b8aed9c5f45d5a213978b61d8b"], 0x24}}, 0x0) r9 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r9, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) setsockopt$inet_tcp_int(r9, 0x6, 0x24, &(0x7f0000000300)=0x4, 0x4) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) socket$inet_tcp(0x2, 0x1, 0x0) (async) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async) setsockopt$inet_tcp_TCP_QUEUE_SEQ(r0, 0x6, 0x15, &(0x7f0000000000)=0x1, 0x4) (async) socket$inet_smc(0x2b, 0x1, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) bpf$MAP_CREATE(0x0, &(0x7f0000000340)=@base={0x6, 0xffffffe1, 0x4, 0xffffffff, 0x1008, 0x1, 0x1, '\x00', 0x0, 0xffffffffffffffff, 0x3, 0x5, 0x2}, 0x48) (async) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000480)={r5, &(0x7f00000003c0)="0ff82921e755f47ae08b3c404d842291a55cdd6f47f961f444e9727d9ef231bab4dca8d8fb705268846a2bc7968445903cde36ed209de466d2c5905c72e6fb9b056386ba0f08f1ff96", &(0x7f0000000440)=@tcp=r0, 0x2}, 0x20) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) ioctl$sock_inet_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f00000002c0)) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r7, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x20004010) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="f2ff0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000007fb5a8462fd2146ba102e2078e9566cb2d0c91cf2496c2c2ed3c20aa4c47376a775e56d03c0ef2d577f4a6dcaf7678ef0ab981b8aed9c5f45d5a213978b61d8b"], 0x24}}, 0x0) (async) socket$inet_tcp(0x2, 0x1, 0x0) (async) setsockopt$inet_tcp_TCP_MD5SIG(r9, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async) setsockopt$inet_tcp_int(r9, 0x6, 0x24, &(0x7f0000000300)=0x4, 0x4) (async) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) (async) [ 1715.900599] nbd: must specify a device to reconfigure 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x41, 0xa, '\xba\xcekPr\xd4\xdd\xf3`\x19\x87\x1bx\x8c\xd8\x88\x85\xd9\xab\x17\xa5\x91\xe3\xc0\xff\xdbt\xf0\a1\xe5\xf7\xa4\xb7\xc9)\x9c#\r\xb3u\xca\xb4\xc9\xf5b\x99\x00'/61}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x64}}, 0x0) [ 1715.941455] nbd: must specify at least one socket 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) ioctl$KVM_IRQ_LINE(0xffffffffffffffff, 0x4008ae61, &(0x7f0000000000)={0xb5, 0xfb5}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) ioctl$KVM_IRQ_LINE(r3, 0x4008ae61, &(0x7f0000000040)={0x80000001, 0x6}) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14040000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x8}, 0x14}}, 0x0) 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x41, 0xa, '\xba\xcekPr\xd4\xdd\xf3`\x19\x87\x1bx\x8c\xd8\x88\x85\xd9\xab\x17\xa5\x91\xe3\xc0\xff\xdbt\xf0\a1\xe5\xf7\xa4\xb7\xc9)\x9c#\r\xb3u\xca\xb4\xc9\xf5b\x99\x00'/61}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x64}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x41, 0xa, '\xba\xcekPr\xd4\xdd\xf3`\x19\x87\x1bx\x8c\xd8\x88\x85\xd9\xab\x17\xa5\x91\xe3\xc0\xff\xdbt\xf0\a1\xe5\xf7\xa4\xb7\xc9)\x9c#\r\xb3u\xca\xb4\xc9\xf5b\x99\x00'/61}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x64}}, 0x0) (async) 12:48:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100000000d7b6f87949c42e36498ce5af079bb435ffc72332bbfcb9e30000"], 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r3, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x40}}, 0x10) [ 1715.996701] nbd: must specify a size in bytes for the device [ 1716.002968] nbd: must specify a device to reconfigure 12:48:22 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async) setsockopt$inet_tcp_TCP_QUEUE_SEQ(r0, 0x6, 0x15, &(0x7f0000000000)=0x1, 0x4) (async) r1 = socket$inet_smc(0x2b, 0x1, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000000340)=@base={0x6, 0xffffffe1, 0x4, 0xffffffff, 0x1008, 0x1, 0x1, '\x00', 0x0, 0xffffffffffffffff, 0x3, 0x5, 0x2}, 0x48) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000480)={r5, &(0x7f00000003c0)="0ff82921e755f47ae08b3c404d842291a55cdd6f47f961f444e9727d9ef231bab4dca8d8fb705268846a2bc7968445903cde36ed209de466d2c5905c72e6fb9b056386ba0f08f1ff96", &(0x7f0000000440)=@tcp=r0, 0x2}, 0x20) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) ioctl$sock_inet_tcp_SIOCOUTQ(r1, 0x5411, &(0x7f00000002c0)) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r7, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x20004010) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="f2ff0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000007fb5a8462fd2146ba102e2078e9566cb2d0c91cf2496c2c2ed3c20aa4c47376a775e56d03c0ef2d577f4a6dcaf7678ef0ab981b8aed9c5f45d5a213978b61d8b"], 0x24}}, 0x0) (async) r9 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r9, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) (async) setsockopt$inet_tcp_int(r9, 0x6, 0x24, &(0x7f0000000300)=0x4, 0x4) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) ioctl$KVM_IRQ_LINE(0xffffffffffffffff, 0x4008ae61, &(0x7f0000000000)={0xb5, 0xfb5}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) ioctl$KVM_IRQ_LINE(r3, 0x4008ae61, &(0x7f0000000040)={0x80000001, 0x6}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14040000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) ioctl$LOOP_CTL_REMOVE(r9, 0x4c81, 0x2) [ 1716.040314] nbd: couldn't find device at index 1 12:48:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100000000d7b6f87949c42e36498ce5af079bb435ffc72332bbfcb9e30000"], 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r3, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x40}}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100000000d7b6f87949c42e36498ce5af079bb435ffc72332bbfcb9e30000"], 0x18}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r3, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x40}}, 0x10) (async) 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x8}, 0x14}}, 0x0) [ 1716.073903] nbd: must specify at least one socket 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r5 = socket(0x1f, 0x800, 0x20) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x74, r1, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20008084}, 0x40811) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x50) 12:48:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000017adaa04000001000000040007800c00020000003487f0b3d11e"], 0x24}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0xffffffffffffff1a, 0x35, 0x2}, 0x8) setsockopt$RDS_CANCEL_SENT_TO(r3, 0x114, 0x1, &(0x7f0000000000)={0x2, 0x4e24, @multicast2}, 0x10) [ 1716.097589] nbd: couldn't find device at index 1 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x8, r1, 0x1}, 0xfffffffffffffdf1}}, 0x80) 12:48:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000000)={0x80000000, 0x2, 0xa, 0x9, 0x5e77cc88}, 0x14) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="01000000000001000000010000000400078081fd4d1714"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x58, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '{()-@'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x76}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{)%#'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x46) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x34, r4, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x129}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x80}, 0x1) 12:48:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000017adaa04000001000000040007800c00020000003487f0b3d11e"], 0x24}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0xffffffffffffff1a, 0x35, 0x2}, 0x8) setsockopt$RDS_CANCEL_SENT_TO(r3, 0x114, 0x1, &(0x7f0000000000)={0x2, 0x4e24, @multicast2}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000017adaa04000001000000040007800c00020000003487f0b3d11e"], 0x24}}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r3, &(0x7f0000000400)={0xffffffffffffff1a, 0x35, 0x2}, 0x8) (async) setsockopt$RDS_CANCEL_SENT_TO(r3, 0x114, 0x1, &(0x7f0000000000)={0x2, 0x4e24, @multicast2}, 0x10) (async) 12:48:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) 12:48:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r5 = socket(0x1f, 0x800, 0x20) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x74, r1, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20008084}, 0x40811) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x50) [ 1716.117828] nbd: must specify at least one socket [ 1716.136703] nbd: couldn't find device at index 1 [ 1716.152350] nbd: must specify at least one socket 12:48:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x8}, 0x14}}, 0x0) 12:48:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x8, r1, 0x1}, 0xfffffffffffffdf1}}, 0x80) 12:48:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000017adaa04000001000000040007800c00020000003487f0b3d11e"], 0x24}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0xffffffffffffff1a, 0x35, 0x2}, 0x8) setsockopt$RDS_CANCEL_SENT_TO(r3, 0x114, 0x1, &(0x7f0000000000)={0x2, 0x4e24, @multicast2}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000017adaa04000001000000040007800c00020000003487f0b3d11e"], 0x24}}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r3, &(0x7f0000000400)={0xffffffffffffff1a, 0x35, 0x2}, 0x8) (async) setsockopt$RDS_CANCEL_SENT_TO(r3, 0x114, 0x1, &(0x7f0000000000)={0x2, 0x4e24, @multicast2}, 0x10) (async) [ 1716.193546] nbd: must specify a size in bytes for the device [ 1716.215142] nbd: must specify a device to reconfigure [ 1716.231259] nbd: must specify at least one socket [ 1716.237465] nbd: couldn't find device at index 1 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x8, r1, 0x1}, 0xfffffffffffffdf1}}, 0x80) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000000)={0x80000000, 0x2, 0xa, 0x9, 0x5e77cc88}, 0x14) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="01000000000001000000010000000400078081fd4d1714"], 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x58, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '{()-@'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x76}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{)%#'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x46) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x34, r4, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x129}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x80}, 0x1) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r5 = socket(0x1f, 0x800, 0x20) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x74, r1, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20008084}, 0x40811) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x50) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) socket(0x1f, 0x800, 0x20) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r6, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x74, r1, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20008084}, 0x40811) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x50) (async) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000540)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0x98, r3, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x25, 0xa, '/proc/sys/net/ipv4/vs/drop_entry\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x80}, 0x14) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xb4, r6, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x942}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0xb4}}, 0x1) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000047407805b8f91a6cf5f680fea1edbe5238f09a1dd8e4ca7bfb1ff2f2ff5ed8e9a8e6f853552023e0d32d77778d492754db0cdab1f0928b3e615569756f36ea9c17e87476707336c"], 0x18}}, 0x0) 12:48:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000000)={0x80000000, 0x2, 0xa, 0x9, 0x5e77cc88}, 0x14) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="01000000000001000000010000000400078081fd4d1714"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x58, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '{()-@'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x76}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{)%#'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x46) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x34, r4, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x129}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x80}, 0x1) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000000)={0x80000000, 0x2, 0xa, 0x9, 0x5e77cc88}, 0x14) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="01000000000001000000010000000400078081fd4d1714"], 0x18}}, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x58, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '{()-@'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x76}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '{)%#'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x46) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x34, r4, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x129}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x80}, 0x1) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000540)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0x98, r3, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x25, 0xa, '/proc/sys/net/ipv4/vs/drop_entry\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x80}, 0x14) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 64) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (rerun: 64) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xb4, r6, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x942}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0xb4}}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 1716.314179] nbd: must specify at least one socket [ 1716.324877] nbd: must specify a device to reconfigure [ 1716.334693] nbd: couldn't find device at index 1 [ 1716.346116] nbd: must specify at least one socket 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000047407805b8f91a6cf5f680fea1edbe5238f09a1dd8e4ca7bfb1ff2f2ff5ed8e9a8e6f853552023e0d32d77778d492754db0cdab1f0928b3e615569756f36ea9c17e87476707336c"], 0x18}}, 0x0) [ 1716.372548] nla_parse: 56 callbacks suppressed [ 1716.372554] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1716.392068] nbd: must specify at least one socket [ 1716.398010] nbd: must specify a size in bytes for the device [ 1716.410312] nbd: couldn't find device at index 1 [ 1716.417009] nbd: must specify a device to reconfigure 12:48:23 executing program 0: r0 = syz_init_net_socket$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$netlbl_cipso(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0104000000000000090004000000"], 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r3, 0x230, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010000000000f80000000800000004009380"], 0x18}}, 0x0) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x1, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x80080}, 0x88c5) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000540)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0x98, r3, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x25, 0xa, '/proc/sys/net/ipv4/vs/drop_entry\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x80}, 0x14) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xb4, r6, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x942}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0xb4}}, 0x1) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000540)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0x98, r3, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x25, 0xa, '/proc/sys/net/ipv4/vs/drop_entry\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x80}, 0x14) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xb4, r6, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x942}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0xb4}}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) [ 1716.425984] nbd: must specify at least one socket [ 1716.440396] nbd: must specify at least one socket [ 1716.451138] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 12:48:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000047407805b8f91a6cf5f680fea1edbe5238f09a1dd8e4ca7bfb1ff2f2ff5ed8e9a8e6f853552023e0d32d77778d492754db0cdab1f0928b3e615569756f36ea9c17e87476707336c"], 0x18}}, 0x0) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x70, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '\'(:\\[&%].\'%$'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa9}]}, 0x70}, 0x1, 0x0, 0x0, 0x40040}, 0x40010) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r1, 0x230, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '\'(:\\[&%].\'%$'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008000}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0xfffffffffffffeee, &(0x7f0000000040)={&(0x7f0000000080)={0x14, r1, 0x200, 0xf7fffffd}, 0x14}, 0x1, 0x0, 0x0, 0xc801}, 0x1) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x1, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x80080}, 0x88c5) [ 1716.481974] nbd: must specify at least one socket [ 1716.495744] nbd: must specify at least one socket [ 1716.502608] nbd: must specify a size in bytes for the device [ 1716.519486] nbd: couldn't find device at index 1 12:48:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) r7 = socket(0x2c, 0x1, 0xfff) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x1, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x80080}, 0x88c5) 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000000)={0x0, 0x41, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000045) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r3, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4010}, 0x20004080) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x70, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '\'(:\\[&%].\'%$'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa9}]}, 0x70}, 0x1, 0x0, 0x0, 0x40040}, 0x40010) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r1, 0x230, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '\'(:\\[&%].\'%$'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008000}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0xfffffffffffffeee, &(0x7f0000000040)={&(0x7f0000000080)={0x14, r1, 0x200, 0xf7fffffd}, 0x14}, 0x1, 0x0, 0x0, 0xc801}, 0x1) [ 1716.563957] nbd: couldn't find device at index 0 [ 1716.573794] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1716.583520] nbd: must specify at least one socket [ 1716.595750] nbd: couldn't find device at index 1 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) r6 = socket(0x1e, 0x1, 0x4) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1, 0x70bd27, 0x25dfdbfd}, 0x14}}, 0x0) [ 1716.614689] nbd: must specify at least one socket [ 1716.632017] nbd: must specify at least one socket [ 1716.639950] nbd: must specify a size in bytes for the device [ 1716.652222] nbd: must specify a size in bytes for the device 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0), r1) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r2, &(0x7f0000000400)={0x8}, 0x8) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0xc8, 0x0, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4}, 0x4004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000000)={0x0, 0x41, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000045) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r3, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4010}, 0x20004080) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x70, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '\'(:\\[&%].\'%$'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa9}]}, 0x70}, 0x1, 0x0, 0x0, 0x40040}, 0x40010) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r1, 0x230, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '\'(:\\[&%].\'%$'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008000}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0xfffffffffffffeee, &(0x7f0000000040)={&(0x7f0000000080)={0x14, r1, 0x200, 0xf7fffffd}, 0x14}, 0x1, 0x0, 0x0, 0xc801}, 0x1) 12:48:23 executing program 0: r0 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='dctcp\x00', 0x6) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x1}, 0x14}}, 0x0) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000000)={0x0, 0x41, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000045) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r3, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4010}, 0x20004080) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0), r1) (async) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r2, &(0x7f0000000400)={0x8}, 0x8) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0xc8, 0x0, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4}, 0x4004) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1716.665057] nbd: couldn't find device at index 0 [ 1716.677090] nbd: couldn't find device at index 1 [ 1716.689959] nbd: must specify a size in bytes for the device [ 1716.697352] nbd: must specify a size in bytes for the device 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0), r1) (async) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r2, &(0x7f0000000400)={0x8}, 0x8) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0xc8, 0x0, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4}, 0x4004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0), r1) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r2, &(0x7f0000000400)={0x8}, 0x8) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0xc8, 0x0, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4}, 0x4004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1, 0x70bd27, 0x25dfdbfd}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1, 0x70bd27, 0x25dfdbfd}, 0x14}}, 0x0) (async) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000005000a005c0000000c0004001600000000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000100), 0x4) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1a4, 0x0, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x4e7eee8c45036351}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x150, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46b21a28}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf08e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb73727}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x894b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x42317082}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5612ec3e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x775c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52ddb5b9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8560}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3cdc0e85}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e8b}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaeb5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3a28ae73}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78ceaa13}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x108e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3162e39f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf644}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8159}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1f18}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc673}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59663beb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd8e7}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f41027a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x28d2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3f63}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1e55}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3bce}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x651caa96}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1f4ad19c}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e6237fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3495}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bd6afb1}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x473e0251}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e9de97d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2f5bf9d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfad7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7010fe3d}]}]}]}, 0x1a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 1716.735764] nbd: must specify at least one socket [ 1716.745131] nbd: must specify at least one socket [ 1716.752213] nbd: couldn't find device at index 1 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB='\x00'/10], 0x18}}, 0x0) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x60800) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000040)={0x0, 0x3, 0x800, 0x1, 0x6}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) nanosleep(&(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1716.798703] nbd: must specify a size in bytes for the device [ 1716.810451] nbd: couldn't find device at index 1 [ 1716.820646] nbd: must specify at least one socket [ 1716.832259] nbd: must specify a size in bytes for the device 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB='\x00'/10], 0x18}}, 0x0) 12:48:23 executing program 0: r0 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='dctcp\x00', 0x6) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r2, 0x1}, 0x14}}, 0x0) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000100), 0x4) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1a4, 0x0, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x4e7eee8c45036351}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x150, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46b21a28}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf08e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb73727}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x894b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x42317082}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5612ec3e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x775c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52ddb5b9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8560}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3cdc0e85}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e8b}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaeb5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3a28ae73}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78ceaa13}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x108e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3162e39f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf644}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8159}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1f18}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc673}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59663beb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd8e7}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f41027a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x28d2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3f63}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1e55}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3bce}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x651caa96}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1f4ad19c}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e6237fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3495}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bd6afb1}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x473e0251}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e9de97d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2f5bf9d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfad7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7010fe3d}]}]}]}, 0x1a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1, 0x70bd27, 0x25dfdbfd}, 0x14}}, 0x0) 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB='\x00'/10], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB='\x00'/10], 0x18}}, 0x0) (async) 12:48:23 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x60800) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000040)={0x0, 0x3, 0x800, 0x1, 0x6}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) nanosleep(&(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x60800) (async) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000040)={0x0, 0x3, 0x800, 0x1, 0x6}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) nanosleep(&(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 1716.846833] nbd: must specify at least one socket [ 1716.862250] nbd: must specify at least one socket [ 1716.882588] nbd: must specify a size in bytes for the device 12:48:23 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$nbd(&(0x7f0000000280), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1b632fa6711e9bc6b5e8c762873f43844da8d28c8396b4c7f14f2960e80ddbae9648bfe2bd3e2dd03c8a27719d3a3e96d27d6db47f31c012fe263f59dc4106df352c1ac45e9b3268a38a4ffd5508ea2d1bf6c547a6cdda3b69d4f7f260e59da8250e33a00075b13e01cdf91b8012e2ebc2b71affd114511049b63e710f4dc803", @ANYRES16=r2, @ANYBLOB="000129bd7000fddbdf25020000000c0006000200000000000000"], 0x20}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000100), 0x4) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1a4, 0x0, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x4e7eee8c45036351}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x150, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46b21a28}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf08e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb73727}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x894b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x42317082}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5612ec3e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x775c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52ddb5b9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8560}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3cdc0e85}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e8b}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaeb5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3a28ae73}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78ceaa13}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x108e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3162e39f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf644}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8159}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1f18}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc673}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59663beb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd8e7}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f41027a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x28d2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3f63}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1e55}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3bce}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x651caa96}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1f4ad19c}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e6237fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3495}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bd6afb1}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x473e0251}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e9de97d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2f5bf9d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfad7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7010fe3d}]}]}]}, 0x1a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) setsockopt$inet_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000100), 0x4) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1a4, 0x0, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x4e7eee8c45036351}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_MLSCATLST={0x150, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46b21a28}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf08e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xb73727}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x894b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x42317082}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5612ec3e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x775c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52ddb5b9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8560}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3cdc0e85}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e8b}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaeb5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3a28ae73}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78ceaa13}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x108e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3162e39f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf644}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8159}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1f18}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc673}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x59663beb}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd8e7}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f41027a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x28d2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3f63}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1e55}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3bce}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x651caa96}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1f4ad19c}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e6237fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3495}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6bd6afb1}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x473e0251}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3e9de97d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2f5bf9d3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfad7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7010fe3d}]}]}]}, 0x1a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) [ 1716.907064] nbd: must specify at least one socket [ 1716.917061] nbd: couldn't find device at index 1 [ 1716.928477] nbd: must specify at least one socket 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x60800) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000040)={0x0, 0x3, 0x800, 0x1, 0x6}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) nanosleep(&(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x70, r1, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x298b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x4004802) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r6 = socket(0x1a, 0x2, 0xef9) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r9) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r11, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r10, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0xb8, r10, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_TAGLST={0xc, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_MLSCATLST={0x5c, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x18854b0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9208}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x141}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x61bc2b1e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52f80bfe}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4e9a4475}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x19f9ac1b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x13ec2d4d}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x59dd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x435}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40800}, 0x20000040) r12 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) r13 = socket(0x1d, 0x6, 0x7fffffff) r14 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r14, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x64, r5, 0x300, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r14}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20085}, 0x40810) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="010400000000000000000100000004000780"], 0x18}}, 0x0) [ 1716.957989] nbd: must specify a device to reconfigure [ 1716.971043] nbd: must specify a size in bytes for the device [ 1716.981192] nbd: must specify at least one socket [ 1717.000066] nbd: must specify at least one socket 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x100}, 0x14}}, 0x0) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000000)={@empty}, &(0x7f0000000040)=0x14) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="50522d0f16a642cb27b5ebbb02d3506782f7a763155a493f7e51bbdc76d1fc67760bbaf3d2cc2bc49adaf5dbfe99f9bb7b7849c002eb95ddf725dbe0ea40857ab98e88dea405a02a32247bcba49012bc3664b4579142a00f42f37305501f02a67df7b587b751b025b56d9108ab4a8ba966cafcfcd19858c7091e88c25cd130dcc4793faaae4ae0f6b3201285b3acfeae0e0a05eb671dd70dc382f360a6d8651af80289cedee7ad95ead40186bb30fe993da6498bbd3a4e42690b7291713c3923d47f6f3aa4a85820faddc331", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/secure_tcp\x00', 0x2, 0x0) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, &(0x7f0000000480)=0x0, &(0x7f00000004c0)=0x4) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r8, 0x89f1, &(0x7f0000000580)={'syztnl2\x00', &(0x7f0000000500)={'ip6tnl0\x00', r9, 0x2f, 0x5, 0x4, 0x100, 0x40, @empty, @mcast2, 0x7, 0x8, 0x5, 0x3}}) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r12 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000003c0)={&(0x7f00000001c0)={0x88, r5, 0x20, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xbed2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x4094}, 0x800) r13 = syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r6) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000700)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x80, r13, 0xd1e0388f9a7bbd56, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+%(,-\x19-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9574}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x1) [ 1717.015614] nbd: must specify a size in bytes for the device [ 1717.025910] nbd: couldn't find device at index 1 [ 1717.031726] nbd: must specify at least one socket [ 1717.039220] nbd: must specify at least one socket [ 1717.048642] nbd: must specify a size in bytes for the device 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r1, 0x47719f6ed7d9205d, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000000}, 0x4008884) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x100}, 0x14}}, 0x0) [ 1717.077295] nbd: must specify a size in bytes for the device [ 1717.093945] nbd: must specify a size in bytes for the device [ 1717.101143] nbd: must specify at least one socket [ 1717.108208] nbd: must specify a size in bytes for the device 12:48:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) 12:48:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000000)={@empty}, &(0x7f0000000040)=0x14) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="50522d0f16a642cb27b5ebbb02d3506782f7a763155a493f7e51bbdc76d1fc67760bbaf3d2cc2bc49adaf5dbfe99f9bb7b7849c002eb95ddf725dbe0ea40857ab98e88dea405a02a32247bcba49012bc3664b4579142a00f42f37305501f02a67df7b587b751b025b56d9108ab4a8ba966cafcfcd19858c7091e88c25cd130dcc4793faaae4ae0f6b3201285b3acfeae0e0a05eb671dd70dc382f360a6d8651af80289cedee7ad95ead40186bb30fe993da6498bbd3a4e42690b7291713c3923d47f6f3aa4a85820faddc331", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/secure_tcp\x00', 0x2, 0x0) (async, rerun: 64) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, &(0x7f0000000480)=0x0, &(0x7f00000004c0)=0x4) (rerun: 64) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r8, 0x89f1, &(0x7f0000000580)={'syztnl2\x00', &(0x7f0000000500)={'ip6tnl0\x00', r9, 0x2f, 0x5, 0x4, 0x100, 0x40, @empty, @mcast2, 0x7, 0x8, 0x5, 0x3}}) (async) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async, rerun: 64) r12 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000003c0)={&(0x7f00000001c0)={0x88, r5, 0x20, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xbed2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x4094}, 0x800) r13 = syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r6) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000700)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x80, r13, 0xd1e0388f9a7bbd56, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+%(,-\x19-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9574}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x1) [ 1717.132054] nbd: must specify a device to reconfigure 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r3, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000041}, 0x20040044) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0x184, 0x0, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xa0, 0x8, 0x0, 0x1, [{0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5174c231}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x89}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x100}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa3}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6a95ea9f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfa}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xcc}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e3421df}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xb2a8703}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x56}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc2f8ba5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd7635f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xd}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x4c, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x20, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x951f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x55e4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5047}]}]}]}, 0x184}, 0x1, 0x0, 0x0, 0x24000060}, 0x40800) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x68, r7, 0x8, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x800}, 0x4000004) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x14, r1, 0xa76f30a5902a20df, 0x70bd2b}, 0x14}}, 0x8048040) [ 1717.168915] nbd: must specify a size in bytes for the device [ 1717.192108] nbd: must specify a device to reconfigure [ 1717.211475] nbd: must specify a size in bytes for the device 12:48:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000000)={@empty}, &(0x7f0000000040)=0x14) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="50522d0f16a642cb27b5ebbb02d3506782f7a763155a493f7e51bbdc76d1fc67760bbaf3d2cc2bc49adaf5dbfe99f9bb7b7849c002eb95ddf725dbe0ea40857ab98e88dea405a02a32247bcba49012bc3664b4579142a00f42f37305501f02a67df7b587b751b025b56d9108ab4a8ba966cafcfcd19858c7091e88c25cd130dcc4793faaae4ae0f6b3201285b3acfeae0e0a05eb671dd70dc382f360a6d8651af80289cedee7ad95ead40186bb30fe993da6498bbd3a4e42690b7291713c3923d47f6f3aa4a85820faddc331", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r7, &(0x7f0000000400)={0x8}, 0x8) (async) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/secure_tcp\x00', 0x2, 0x0) (async, rerun: 32) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, &(0x7f0000000480)=0x0, &(0x7f00000004c0)=0x4) (rerun: 32) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r8, 0x89f1, &(0x7f0000000580)={'syztnl2\x00', &(0x7f0000000500)={'ip6tnl0\x00', r9, 0x2f, 0x5, 0x4, 0x100, 0x40, @empty, @mcast2, 0x7, 0x8, 0x5, 0x3}}) (async) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r12 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000003c0)={&(0x7f00000001c0)={0x88, r5, 0x20, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xbed2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x4094}, 0x800) r13 = syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r6) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000700)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x80, r13, 0xd1e0388f9a7bbd56, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '+%(,-\x19-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9574}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x1) 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1717.233007] nbd: must specify at least one socket [ 1717.252998] nbd: must specify a size in bytes for the device [ 1717.271662] nbd: must specify a device to reconfigure 12:48:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x100}, 0x14}}, 0x0) 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000300), 0x8) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000380)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000003c0)={0xffffffffffffffff}) r8 = socket(0x3, 0x5, 0x700) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, r2, 0x202, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '}J\xf6'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x25, 0xa, '/proc/sys/net/ipv4/vs/drop_entry\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x20001}, 0xc8a0) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r11 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r11, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000126bd7000fedbdf25020000000c00040001000100000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="0c3829c03543a9b66146763b0100000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x805}, 0x4) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)=ANY=[@ANYBLOB="2c00000018c9a32d7c49df78a532aeffa251cd534b523001c2b89f90e230f6a86d50dc9a1174c4218606609d1ebc0fbb28122afffff36339e94951f4453ff681cc7598398f1b058a0cf1fd38bf", @ANYRES16=r12, @ANYBLOB="010000000000000000000100000001000000010000000c0004000100000000000000"], 0x2c}}, 0xb1d2ea3e61a7fb26) [ 1717.284375] nbd: must specify a device to reconfigure 12:48:24 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYRES16=r0, @ANYRESOCT=r1, @ANYBLOB="0100ecffd20f0000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x2004c014}, 0x0) 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01ffffffffffffffffd2438f1600"], 0x14}}, 0x0) [ 1717.306814] nbd: must specify at least one socket [ 1717.312975] nbd: must specify at least one socket 12:48:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1, 0x7d, 0x25dfdbff}, 0x14}}, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0) r4 = syz_open_dev$media(&(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x44, r7, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x20048140) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000480)={r3}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000004c0)={0xffffffffffffffff}) r11 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r11, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000600)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x8c, r1, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x48d}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8001}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r4, 0xc0287c02, &(0x7f0000000380)={0x80000000, &(0x7f0000000340)=[{}, {0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r4, 0xc0287c02, &(0x7f0000000800)={0x80000000, 0x0, &(0x7f0000000780)=[{{0x80000000}}]}) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000840)={{r12}, {r13}}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000001c0)={0x80000000, &(0x7f0000000040)=[{0x80000000, 0x0}], &(0x7f00000000c0)}) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, &(0x7f0000000200)={{r12, 0x0, 0x4, [0x4, 0xaef]}, {0x80000000, r14, 0x6, [0x6, 0x6]}, 0x4, [0x90, 0x9]}) 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\"\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000f016000000a57ae75100"/30], 0x24}}, 0x0) [ 1717.349288] nbd: must specify a device to reconfigure 12:48:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r7, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r6, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x8, 0x70bd2a, 0x25dfdbfd}, 0x14}}, 0x10) 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) (async) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000300), 0x8) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000380)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000003c0)={0xffffffffffffffff}) (async) r8 = socket(0x3, 0x5, 0x700) (async) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, r2, 0x202, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '}J\xf6'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x25, 0xa, '/proc/sys/net/ipv4/vs/drop_entry\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x20001}, 0xc8a0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r11 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r11, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000126bd7000fedbdf25020000000c00040001000100000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="0c3829c03543a9b66146763b0100000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x805}, 0x4) (async) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)=ANY=[@ANYBLOB="2c00000018c9a32d7c49df78a532aeffa251cd534b523001c2b89f90e230f6a86d50dc9a1174c4218606609d1ebc0fbb28122afffff36339e94951f4453ff681cc7598398f1b058a0cf1fd38bf", @ANYRES16=r12, @ANYBLOB="010000000000000000000100000001000000010000000c0004000100000000000000"], 0x2c}}, 0xb1d2ea3e61a7fb26) [ 1717.393604] nbd: must specify at least one socket 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYRES16=r0, @ANYRESOCT=r1, @ANYBLOB="0100ecffd20f0000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x2004c014}, 0x0) [ 1717.417539] nbd: must specify a device to reconfigure 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1, 0x7d, 0x25dfdbff}, 0x14}}, 0x0) (async, rerun: 64) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0) (rerun: 64) r4 = syz_open_dev$media(&(0x7f0000000000), 0x0, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) (async, rerun: 32) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x44, r7, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x20048140) (async) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000480)={r3}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000004c0)={0xffffffffffffffff}) (async) r11 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r11, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000600)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x8c, r1, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x48d}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8001}, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r4, 0xc0287c02, &(0x7f0000000380)={0x80000000, &(0x7f0000000340)=[{}, {0x80000000}], 0x0}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r4, 0xc0287c02, &(0x7f0000000800)={0x80000000, 0x0, &(0x7f0000000780)=[{{0x80000000}}]}) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000840)={{r12}, {r13}}) (async, rerun: 64) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000001c0)={0x80000000, &(0x7f0000000040)=[{0x80000000, 0x0}], &(0x7f00000000c0)}) (rerun: 64) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, &(0x7f0000000200)={{r12, 0x0, 0x4, [0x4, 0xaef]}, {0x80000000, r14, 0x6, [0x6, 0x6]}, 0x4, [0x90, 0x9]}) 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r3, &(0x7f0000000400)={0x8}, 0x8) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000300), 0x8) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000380)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000003c0)={0xffffffffffffffff}) r8 = socket(0x3, 0x5, 0x700) (async) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, r2, 0x202, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '}J\xf6'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x25, 0xa, '/proc/sys/net/ipv4/vs/drop_entry\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x20001}, 0xc8a0) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r1, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r11 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r11, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="000126bd7000fedbdf25020000000c00040001000100000000000c00078008000100", @ANYRES32=r11, @ANYBLOB="0c3829c03543a9b66146763b0100000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x805}, 0x4) (async) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r13, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)=ANY=[@ANYBLOB="2c00000018c9a32d7c49df78a532aeffa251cd534b523001c2b89f90e230f6a86d50dc9a1174c4218606609d1ebc0fbb28122afffff36339e94951f4453ff681cc7598398f1b058a0cf1fd38bf", @ANYRES16=r12, @ANYBLOB="010000000000000000000100000001000000010000000c0004000100000000000000"], 0x2c}}, 0xb1d2ea3e61a7fb26) 12:48:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r7, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r6, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x8, 0x70bd2a, 0x25dfdbfd}, 0x14}}, 0x10) [ 1717.441364] nbd: must specify a size in bytes for the device 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x2404a010}, 0x0) [ 1717.490479] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1717.509852] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1717.525562] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x2404a010}, 0x0) 12:48:24 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYRES16=r0, @ANYRESOCT=r1, @ANYBLOB="0100ecffd20f0000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x2004c014}, 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$nbd(&(0x7f0000000080), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYRES16=r0, @ANYRESOCT=r1, @ANYBLOB="0100ecffd20f0000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x2004c014}, 0x0) (async) 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 12:48:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r7, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r6, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x8, 0x70bd2a, 0x25dfdbfd}, 0x14}}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r4, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r7, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r6, 0x401}, 0x14}}, 0x0) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x8, 0x70bd2a, 0x25dfdbfd}, 0x14}}, 0x10) (async) [ 1717.610873] nbd: must specify a device to reconfigure 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x2404a010}, 0x0) 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r3, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1, 0x7d, 0x25dfdbff}, 0x14}}, 0x0) (async) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0) r4 = syz_open_dev$media(&(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async, rerun: 32) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x44, r7, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x20048140) (async) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000480)={r3}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000004c0)={0xffffffffffffffff}) r11 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r11, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000600)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x8c, r1, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x48d}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8001}, 0x0) (async) ioctl$MEDIA_IOC_ENUM_LINKS(r4, 0xc0287c02, &(0x7f0000000380)={0x80000000, &(0x7f0000000340)=[{}, {0x80000000}], 0x0}) ioctl$MEDIA_IOC_ENUM_LINKS(r4, 0xc0287c02, &(0x7f0000000800)={0x80000000, 0x0, &(0x7f0000000780)=[{{0x80000000}}]}) ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000840)={{r12}, {r13}}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f00000001c0)={0x80000000, &(0x7f0000000040)=[{0x80000000, 0x0}], &(0x7f00000000c0)}) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, &(0x7f0000000200)={{r12, 0x0, 0x4, [0x4, 0xaef]}, {0x80000000, r14, 0x6, [0x6, 0x6]}, 0x4, [0x90, 0x9]}) [ 1717.655021] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1717.672927] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1717.694095] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 12:48:24 executing program 1: syz_init_net_socket$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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="14002328ae66d054860b00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 1717.755588] nbd: couldn't find device at index 1 [ 1717.770798] nbd: must specify a size in bytes for the device [ 1717.782608] nbd: must specify a device to reconfigure [ 1717.795897] nbd: must specify a device to reconfigure 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x0) 12:48:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x168, 0x0, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xd4, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46d5cb63}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78dba381}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x295a5084}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcd54}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6314d15}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe5eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x759a1f20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc74b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8b64}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c45}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4543e20b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x329f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x796652c1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x10bbde62}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ff}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7e6e4d65}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xcb8dd10}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd6bf}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41b63452}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7760fe7f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa71f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1c8cd185}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd4d4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x86f7}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x178e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4f8cf4c6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8229}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6265}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x168}, 0x1, 0x0, 0x0, 0x24000081}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0) 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 12:48:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) r6 = socket(0x22, 0x5, 0x3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x6c, r3, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r9) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r10, 0x30a, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x58ce}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x64}, 0x1, 0x0, 0x0, 0x84}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:24 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1717.811082] nbd: couldn't find device at index 1 12:48:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x168, 0x0, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xd4, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46d5cb63}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78dba381}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x295a5084}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcd54}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6314d15}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe5eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x759a1f20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc74b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8b64}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c45}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4543e20b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x329f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x796652c1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x10bbde62}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ff}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7e6e4d65}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xcb8dd10}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd6bf}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41b63452}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7760fe7f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa71f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1c8cd185}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd4d4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x86f7}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x178e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4f8cf4c6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8229}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6265}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x168}, 0x1, 0x0, 0x0, 0x24000081}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x168, 0x0, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xd4, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46d5cb63}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78dba381}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x295a5084}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcd54}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6314d15}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe5eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x759a1f20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc74b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8b64}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c45}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4543e20b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x329f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x796652c1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x10bbde62}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ff}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7e6e4d65}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xcb8dd10}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd6bf}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41b63452}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7760fe7f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa71f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1c8cd185}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd4d4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x86f7}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x178e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4f8cf4c6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8229}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6265}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x168}, 0x1, 0x0, 0x0, 0x24000081}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0) (async) 12:48:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="14002328ae66d054860b00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:24 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$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x0) 12:48:24 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$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1717.862385] nbd: couldn't find device at index 1 [ 1717.876200] nbd: must specify a size in bytes for the device [ 1717.896139] nbd: must specify a device to reconfigure 12:48:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="14002328ae66d054860b00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:24 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$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1717.904696] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)={0x1ec, 0x0, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x48, 0xc, 0x0, 0x1, [{0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3249e12a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ed0aefa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x25ed}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9a69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5dded1d7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x702b77cb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5c9855de}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4cdc2099}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x66bf6e9ef35749a4}, @NLBL_CIPSOV4_A_MLSCATLST={0x15c, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e22}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x228e2480}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x121dfccd}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb46f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x77cd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x34ba}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2a9041f5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c20}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaebd}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x607946d1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdafe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdf1f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xade9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3564ceef}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x31f3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5a55}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2af28836}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1178f624}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfdac}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43161d01}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x159d}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfc87}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5f7b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x47f1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24c79372}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1a525b2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x414a6dfd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc48b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4b32c2c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7d51}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x93e0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe4e6}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2cda}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c097b74}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f186eff}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4a43}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x695b8c70}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xbfe326b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43cdd2f5}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x1ec}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="71b2c73d484c45b88780e7156b11f0c23100000000f10000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r7, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9af}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x810}, 0x10) 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x0) 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) r6 = socket(0x22, 0x5, 0x3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x6c, r3, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000280), r9) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r10, 0x30a, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x58ce}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x64}, 0x1, 0x0, 0x0, 0x84}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) (async) socket(0x22, 0x5, 0x3) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x6c, r3, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) syz_init_net_socket$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$nbd(&(0x7f0000000280), r9) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r10, 0x30a, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x58ce}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x64}, 0x1, 0x0, 0x0, 0x84}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 12:48:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x168, 0x0, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xd4, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46d5cb63}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78dba381}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x295a5084}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcd54}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6314d15}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe5eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x759a1f20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc74b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8b64}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c45}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4543e20b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x329f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x796652c1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x10bbde62}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ff}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7e6e4d65}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xcb8dd10}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd6bf}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41b63452}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7760fe7f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa71f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1c8cd185}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd4d4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x86f7}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x178e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4f8cf4c6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8229}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6265}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x168}, 0x1, 0x0, 0x0, 0x24000081}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x168, 0x0, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0xd4, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x46d5cb63}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x78dba381}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x295a5084}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xcd54}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6314d15}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe5eb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x759a1f20}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc74b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8b64}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c45}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4543e20b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x329f}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x796652c1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x10bbde62}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ff}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7e6e4d65}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xcb8dd10}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd6bf}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41b63452}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7760fe7f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa71f}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1c8cd185}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x513a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xd4d4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x86f7}]}, {0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x178e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4f8cf4c6}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8229}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6265}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x168}, 0x1, 0x0, 0x0, 0x24000081}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0) (async) 12:48:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)={0x1ec, 0x0, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x48, 0xc, 0x0, 0x1, [{0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3249e12a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ed0aefa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x25ed}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9a69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5dded1d7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x702b77cb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5c9855de}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4cdc2099}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x66bf6e9ef35749a4}, @NLBL_CIPSOV4_A_MLSCATLST={0x15c, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e22}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x228e2480}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x121dfccd}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb46f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x77cd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x34ba}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2a9041f5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c20}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaebd}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x607946d1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdafe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdf1f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xade9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3564ceef}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x31f3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5a55}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2af28836}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1178f624}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfdac}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43161d01}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x159d}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfc87}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5f7b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x47f1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24c79372}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1a525b2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x414a6dfd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc48b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4b32c2c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7d51}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x93e0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe4e6}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2cda}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c097b74}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f186eff}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4a43}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x695b8c70}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xbfe326b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43cdd2f5}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x1ec}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="71b2c73d484c45b88780e7156b11f0c23100000000f10000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 1717.978786] nbd: must specify a device to reconfigure [ 1717.991172] nbd: must specify a size in bytes for the device [ 1718.001710] nbd: must specify a device to reconfigure [ 1718.050237] nbd: must specify a device to reconfigure 12:48:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="0000ffff", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) 12:48:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)={0x1ec, 0x0, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MLSCATLST={0x48, 0xc, 0x0, 0x1, [{0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3249e12a}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5ed0aefa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x25ed}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9a69}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5dded1d7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x702b77cb}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5c9855de}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4cdc2099}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x66bf6e9ef35749a4}, @NLBL_CIPSOV4_A_MLSCATLST={0x15c, 0xc, 0x0, 0x1, [{0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e22}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x228e2480}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x121dfccd}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb46f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x77cd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x34ba}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2a9041f5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7c20}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xaebd}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x607946d1}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdafe}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdf1f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xade9}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3564ceef}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x31f3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5a55}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2af28836}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1178f624}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfdac}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43161d01}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x159d}]}, {0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xfc87}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5f7b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x47f1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24c79372}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1a525b2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x414a6dfd}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc48b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4b32c2c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7d51}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x93e0}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe4e6}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2cda}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c097b74}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7f186eff}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4a43}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x695b8c70}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xbfe326b}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43cdd2f5}]}]}, @NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}]}, 0x1ec}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="71b2c73d484c45b88780e7156b11f0c23100000000f10000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 12:48:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) 12:48:24 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="0000ffff", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="0000ffff", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) (async) [ 1718.093571] nbd: must specify a device to reconfigure [ 1718.109458] nbd: must specify a device to reconfigure [ 1718.115560] nbd: must specify a size in bytes for the device 12:48:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) r6 = socket(0x22, 0x5, 0x3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x6c, r3, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r9) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r10, 0x30a, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x58ce}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x64}, 0x1, 0x0, 0x0, 0x84}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) (async) r6 = socket(0x22, 0x5, 0x3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x6c, r3, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r9) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r10, 0x30a, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x58ce}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x64}, 0x1, 0x0, 0x0, 0x84}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:24 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:24 executing program 2: clock_gettime(0x0, &(0x7f0000000640)) clock_gettime(0x0, &(0x7f0000000d40)) nanosleep(&(0x7f0000000b40)={0x0, 0x989680}, &(0x7f0000000d80)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x254, 0x0, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x1b8, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x68e4fb9e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6b849196}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2628}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x49803b5b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x49a5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x325b0d50}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ee44ece}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7321ec00}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2cafb7a3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x679694b6}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6150}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x13b1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3592e7d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa3fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x10000}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9623}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9ac0}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52f7b278}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a58}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb44c}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5948}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2a278a55}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf317}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e2d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ce1f19c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6354aab4}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2efb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1273f22b}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x20e14a93}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24f8fa37}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x36629f7e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1232}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x331fde4f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbc2d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xf5cbfaf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3dc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x84e5}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45ddf2fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8182}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5bea}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x160f7e35}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7d6c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3372f382}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x152ba4d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8522}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7b86}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41f5812f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1fe0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x28, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8246}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xbca1679}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29624d61}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x92b6}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x34, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x254}, 0x1, 0x0, 0x0, 0x44804}, 0x4) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000008c0)={'syztnl1\x00', &(0x7f0000000840)={'syztnl1\x00', 0x0, 0x4, 0x8, 0x1f, 0x400, 0x8, @private0, @private0={0xfc, 0x0, '\x00', 0x1}, 0x20, 0x10, 0x9c82db9, 0xfffffffe}}) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000900)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000009c0), 0x8) bpf$PROG_LOAD(0x5, &(0x7f0000000a40)={0x7, 0xb, &(0x7f00000006c0)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffbff, 0x0, 0x0, 0x0, 0x4}, [@alu={0x3, 0x0, 0x4, 0x8, 0x1, 0x2, 0xffffffffffffffff}, @alu={0x7, 0x0, 0x8, 0x3, 0x3, 0xfffffffffffffff4, 0xf}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x1}, @generic={0x6, 0x4, 0x3, 0xfff7, 0x400}, @call={0x85, 0x0, 0x0, 0x25}, @btf_id={0x18, 0x5, 0x3, 0x0, 0x5}]}, &(0x7f0000000740)='syzkaller\x00', 0x3, 0x87, &(0x7f0000000780)=""/135, 0x40f00, 0x28, '\x00', r2, 0x22, r3, 0x8, &(0x7f0000000940)={0x8, 0x1}, 0x8, 0x10, &(0x7f0000000980)={0x4, 0x0, 0x0, 0x89d}, 0x10, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000a00)=[r4, 0x1]}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) r11 = getuid() setuid(r11) r12 = geteuid() mount$9p_fd(0x0, &(0x7f0000000ac0)='./file0\x00', &(0x7f0000000b00), 0x1000, &(0x7f0000000c80)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r9}, 0x2c, {[{@access_uid={'access', 0x3d, r11}}, {@dfltuid={'dfltuid', 0x3d, r12}}], [{@fowner_lt}]}}) socketpair(0xa, 0x5, 0xda9a, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r14 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r14, &(0x7f0000000400)={0x8}, 0x8) write$UHID_CREATE(0xffffffffffffffff, &(0x7f0000000e80)={0x0, {'syz0\x00', 'syz1\x00', 'syz0\x00', &(0x7f0000000dc0)=""/150, 0x96, 0x5, 0x2, 0x3, 0x40}}, 0x120) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000600)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000540)={0x98, r7, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@#'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000020}, 0x0) [ 1718.199406] nbd: must specify a device to reconfigure 12:48:25 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:25 executing program 5: ioctl$DRM_IOCTL_SYNCOBJ_CREATE(0xffffffffffffffff, 0xc00864bf, &(0x7f0000000000)={0x0, 0x1}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="0000ffff", @ANYRES16=r1, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) 12:48:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:25 executing program 2: clock_gettime(0x0, &(0x7f0000000640)) (async) clock_gettime(0x0, &(0x7f0000000d40)) (async) nanosleep(&(0x7f0000000b40)={0x0, 0x989680}, &(0x7f0000000d80)) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x254, 0x0, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x1b8, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x68e4fb9e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6b849196}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2628}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x49803b5b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x49a5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x325b0d50}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ee44ece}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7321ec00}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2cafb7a3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x679694b6}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6150}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x13b1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3592e7d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa3fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x10000}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9623}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9ac0}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52f7b278}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a58}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb44c}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5948}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2a278a55}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf317}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e2d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ce1f19c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6354aab4}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2efb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1273f22b}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x20e14a93}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24f8fa37}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x36629f7e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1232}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x331fde4f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbc2d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xf5cbfaf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3dc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x84e5}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45ddf2fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8182}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5bea}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x160f7e35}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7d6c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3372f382}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x152ba4d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8522}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7b86}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41f5812f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1fe0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x28, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8246}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xbca1679}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29624d61}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x92b6}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x34, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x254}, 0x1, 0x0, 0x0, 0x44804}, 0x4) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000008c0)={'syztnl1\x00', &(0x7f0000000840)={'syztnl1\x00', 0x0, 0x4, 0x8, 0x1f, 0x400, 0x8, @private0, @private0={0xfc, 0x0, '\x00', 0x1}, 0x20, 0x10, 0x9c82db9, 0xfffffffe}}) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000900)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000009c0), 0x8) bpf$PROG_LOAD(0x5, &(0x7f0000000a40)={0x7, 0xb, &(0x7f00000006c0)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffbff, 0x0, 0x0, 0x0, 0x4}, [@alu={0x3, 0x0, 0x4, 0x8, 0x1, 0x2, 0xffffffffffffffff}, @alu={0x7, 0x0, 0x8, 0x3, 0x3, 0xfffffffffffffff4, 0xf}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x1}, @generic={0x6, 0x4, 0x3, 0xfff7, 0x400}, @call={0x85, 0x0, 0x0, 0x25}, @btf_id={0x18, 0x5, 0x3, 0x0, 0x5}]}, &(0x7f0000000740)='syzkaller\x00', 0x3, 0x87, &(0x7f0000000780)=""/135, 0x40f00, 0x28, '\x00', r2, 0x22, r3, 0x8, &(0x7f0000000940)={0x8, 0x1}, 0x8, 0x10, &(0x7f0000000980)={0x4, 0x0, 0x0, 0x89d}, 0x10, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000a00)=[r4, 0x1]}, 0x80) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async) r11 = getuid() setuid(r11) r12 = geteuid() mount$9p_fd(0x0, &(0x7f0000000ac0)='./file0\x00', &(0x7f0000000b00), 0x1000, &(0x7f0000000c80)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r9}, 0x2c, {[{@access_uid={'access', 0x3d, r11}}, {@dfltuid={'dfltuid', 0x3d, r12}}], [{@fowner_lt}]}}) (async) socketpair(0xa, 0x5, 0xda9a, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r14 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r14, &(0x7f0000000400)={0x8}, 0x8) (async) write$UHID_CREATE(0xffffffffffffffff, &(0x7f0000000e80)={0x0, {'syz0\x00', 'syz1\x00', 'syz0\x00', &(0x7f0000000dc0)=""/150, 0x96, 0x5, 0x2, 0x3, 0x40}}, 0x120) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000600)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000540)={0x98, r7, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@#'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000020}, 0x0) [ 1718.253268] nbd: must specify at least one socket [ 1718.265005] nbd: must specify a device to reconfigure [ 1718.276418] nbd: must specify a device to reconfigure [ 1718.283379] nbd: must specify a device to reconfigure [ 1718.293956] nbd: must specify a size in bytes for the device 12:48:25 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:25 executing program 5: ioctl$DRM_IOCTL_SYNCOBJ_CREATE(0xffffffffffffffff, 0xc00864bf, &(0x7f0000000000)={0x0, 0x1}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x8) 12:48:25 executing program 2: clock_gettime(0x0, &(0x7f0000000640)) (async) clock_gettime(0x0, &(0x7f0000000d40)) (async) nanosleep(&(0x7f0000000b40)={0x0, 0x989680}, &(0x7f0000000d80)) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x254, 0x0, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x1b8, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x68e4fb9e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6b849196}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2628}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x49803b5b}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x49a5}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x325b0d50}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3ee44ece}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x7321ec00}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2cafb7a3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x679694b6}]}, {0x54, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x6150}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x13b1}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3592e7d5}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa3fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x10000}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9623}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9ac0}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x52f7b278}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3a58}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb44c}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5948}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2a278a55}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf317}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7e2d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x4ce1f19c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x6354aab4}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2efb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x1273f22b}]}, {0x4c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x20e14a93}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24f8fa37}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x36629f7e}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1232}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x331fde4f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbc2d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xf5cbfaf}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x3dc}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x84e5}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x45ddf2fb}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8182}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5bea}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x160f7e35}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7d6c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3372f382}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x152ba4d9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8522}]}, {0x1c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x7b86}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x41f5812f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1fe0}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x28, 0xc, 0x0, 0x1, [{0x24, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x8246}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xbca1679}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x29624d61}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x92b6}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x34, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}]}, 0x254}, 0x1, 0x0, 0x0, 0x44804}, 0x4) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000008c0)={'syztnl1\x00', &(0x7f0000000840)={'syztnl1\x00', 0x0, 0x4, 0x8, 0x1f, 0x400, 0x8, @private0, @private0={0xfc, 0x0, '\x00', 0x1}, 0x20, 0x10, 0x9c82db9, 0xfffffffe}}) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000900)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) (async) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000009c0), 0x8) bpf$PROG_LOAD(0x5, &(0x7f0000000a40)={0x7, 0xb, &(0x7f00000006c0)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffbff, 0x0, 0x0, 0x0, 0x4}, [@alu={0x3, 0x0, 0x4, 0x8, 0x1, 0x2, 0xffffffffffffffff}, @alu={0x7, 0x0, 0x8, 0x3, 0x3, 0xfffffffffffffff4, 0xf}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x1}, @generic={0x6, 0x4, 0x3, 0xfff7, 0x400}, @call={0x85, 0x0, 0x0, 0x25}, @btf_id={0x18, 0x5, 0x3, 0x0, 0x5}]}, &(0x7f0000000740)='syzkaller\x00', 0x3, 0x87, &(0x7f0000000780)=""/135, 0x40f00, 0x28, '\x00', r2, 0x22, r3, 0x8, &(0x7f0000000940)={0x8, 0x1}, 0x8, 0x10, &(0x7f0000000980)={0x4, 0x0, 0x0, 0x89d}, 0x10, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000a00)=[r4, 0x1]}, 0x80) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) r9 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r9, &(0x7f0000000400)={0x8}, 0x8) (async) r10 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) write$P9_RLOCK(r10, &(0x7f0000000400)={0x8}, 0x8) (async) r11 = getuid() setuid(r11) r12 = geteuid() mount$9p_fd(0x0, &(0x7f0000000ac0)='./file0\x00', &(0x7f0000000b00), 0x1000, &(0x7f0000000c80)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r9}, 0x2c, {[{@access_uid={'access', 0x3d, r11}}, {@dfltuid={'dfltuid', 0x3d, r12}}], [{@fowner_lt}]}}) socketpair(0xa, 0x5, 0xda9a, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r14 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r14, &(0x7f0000000400)={0x8}, 0x8) (async) write$UHID_CREATE(0xffffffffffffffff, &(0x7f0000000e80)={0x0, {'syz0\x00', 'syz1\x00', 'syz0\x00', &(0x7f0000000dc0)=""/150, 0x96, 0x5, 0x2, 0x3, 0x40}}, 0x120) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000600)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000540)={0x98, r7, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x127}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '@#'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000020}, 0x0) 12:48:25 executing program 5: ioctl$DRM_IOCTL_SYNCOBJ_CREATE(0xffffffffffffffff, 0xc00864bf, &(0x7f0000000000)={0x0, 0x1}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1718.314116] nbd: must specify a size in bytes for the device [ 1718.337073] nbd: must specify at least one socket [ 1718.350682] nbd: must specify a size in bytes for the device 12:48:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x0) 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x8) 12:48:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x201, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfd69}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000801}, 0xc8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) [ 1718.429765] nbd: must specify at least one socket [ 1718.437758] nbd: must specify a device to reconfigure [ 1718.447684] nbd: must specify a size in bytes for the device 12:48:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x8) 12:48:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x8) 12:48:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x201, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfd69}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000801}, 0xc8) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1718.481056] nbd: must specify a size in bytes for the device 12:48:25 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x201, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfd69}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000801}, 0xc8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 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_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) [ 1718.562203] nbd: must specify a size in bytes for the device [ 1718.571634] nbd: must specify a size in bytes for the device 12:48:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) socketpair(0x0, 0x1, 0x4, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x78, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044800}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="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"], 0x18}}, 0x0) 12:48:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1718.661844] nbd: couldn't find device at index 1 [ 1718.675783] nbd: must specify a size in bytes for the device 12:48:25 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) [ 1718.703509] nbd: must specify a size in bytes for the device 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:25 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f00000004c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x1ec, r3, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_MLSLVLLST={0xf4, 0x8, 0x0, 0x1, [{0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x375a466f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6bee1ac7}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3fbdfc3c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2b22d0ac}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x75a03027}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x12}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21413bc1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x41f759ee}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x22b8adea}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc4}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4a1f89e6}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x100dfd9a}]}, {0x1c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6c72b91b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5dad41c2}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x48f35bcc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x67}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4df03b9b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6a4dc55c}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x413f29dc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x95}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x33}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_MLSCATLST={0x4c, 0xc, 0x0, 0x1, [{0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xec56}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdb28}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xf504}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x36a4d943}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5f70884a}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4fd3}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2c14}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x86a1}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}, @NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5}, {0x5}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}]}]}, 0x1ec}, 0x1, 0x0, 0x0, 0x4010}, 0x20004080) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r4, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) setsockopt$inet_tcp_buf(r4, 0x6, 0x21, &(0x7f0000000500)="334b6b7abbae024b25518732ef85074ce3a8a5ef85b84c0b0b26c8a887df3cf9333d6ee62c118dd01c5d14ce8bdaf7c87fd24ebf05aaeb770535e0bd235cb5d12abd73bf6804d487f35bd38391e739090a42d0b235202bc72648b4d4fe84d2cf205a9ae6eb1543138e64df88c17135f0d02fe0d645021b1a7df49a6720045ba6c856d5bb017b5dfbfecc117ba1052d6401724448f70aef1b3319c43d112302b24307adfbd9fd3b63df7b0c5d2282caa37fa10c6c8ef61cb656c8d06496773d21e4ce5d971a53d87cd514adc98dddf47f6a4fc8f80cd411f3a7ab2ad86cb057193cbdad71dae6cc7adc581ffa5af5939cfbf95f5b5e", 0xf5) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r5, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r0, @ANYBLOB="040028bd7000a628df25211000"/26], 0x20}, 0x1, 0x0, 0x0, 0x14}, 0x44004) r6 = socket$inet_tcp(0x2, 0x1, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000b40)={&(0x7f0000000700)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @remote}}}, 0x80, &(0x7f0000000a80)=[{&(0x7f0000000780)=""/39, 0x27}, {&(0x7f00000007c0)=""/34, 0x22}, {&(0x7f0000000800)=""/141, 0x8d}, {&(0x7f00000008c0)=""/117, 0x75}, {&(0x7f0000000940)=""/68, 0x44}, {&(0x7f00000009c0)=""/158, 0x9e}], 0x6, &(0x7f0000000b00)=""/61, 0x3d}, 0x1) setsockopt$inet_tcp_TCP_MD5SIG(r6, 0x6, 0xe, &(0x7f0000000f80)={@in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x6, 0x0, "450957e1bcf57b1b724a53bac530e2c9bb2a9d1b26ac3abfd0eca288eb777e000f170b20fdbf64c1769b0ab0b2e201d6e829fd2c45ccb35a707e1e560cd201319389d973572e6344dcdb91352bf3ab0b"}, 0xd8) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r6, 0x6, 0x23, &(0x7f0000000680)={&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0, &(0x7f0000000600)=""/124, 0x7c, 0x1, &(0x7f0000001080)=""/4096, 0x1000}, &(0x7f00000006c0)=0x40) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x14, r0, 0x1, 0x0, 0xfffffffe}, 0x14}}, 0x0) 12:48:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) r6 = socket(0x23, 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="b0000000", @ANYRES16=r4, @ANYBLOB="01002abd7000fddbdf25010000000c00080000000000010000004c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e5ff40599aec47a3d8ccf04d406427f95005f2eeb7361d7c7ff83288d035dc2bc22c0e00"/50, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c000600010000000000000008000a006e6264000c00050000000000000000000c00060002000000000000000c000200ff010000000000000c0006000100000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x2000c1b1}, 0x800) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1718.773781] nbd: couldn't find device at index 4 [ 1718.784561] nbd: must specify a size in bytes for the device [ 1718.802211] nbd: must specify a size in bytes for the device [ 1718.808069] nbd: must specify a size in bytes for the device 12:48:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) socketpair(0x0, 0x1, 0x4, &(0x7f0000000040)={0xffffffffffffffff}) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x78, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044800}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="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"], 0x18}}, 0x0) 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1718.820879] nbd: must specify a size in bytes for the device [ 1718.841939] nbd: must specify a size in bytes for the device [ 1718.863163] nbd: must specify a size in bytes for the device 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) socketpair(0x0, 0x1, 0x4, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x78, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044800}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="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"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) socketpair(0x0, 0x1, 0x4, &(0x7f0000000040)) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x78, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044800}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="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"], 0x18}}, 0x0) (async) 12:48:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1718.871893] nbd: must specify a size in bytes for the device [ 1718.877854] nbd: must specify a size in bytes for the device [ 1718.885174] nbd: must specify a size in bytes for the device 12:48:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1718.940469] nbd: must specify a size in bytes for the device [ 1718.947036] nbd: must specify a size in bytes for the device [ 1718.956946] nbd: must specify a size in bytes for the device [ 1718.972097] nbd: must specify a size in bytes for the device [ 1718.978417] nbd: must specify a size in bytes for the device [ 1718.985396] nbd: must specify a size in bytes for the device [ 1718.996184] nbd: must specify a size in bytes for the device [ 1719.060239] nbd: must specify a size in bytes for the device [ 1719.070036] nbd: must specify a size in bytes for the device [ 1719.075890] nbd: must specify a size in bytes for the device [ 1719.081918] nbd: must specify a size in bytes for the device [ 1719.091183] nbd: must specify a size in bytes for the device [ 1719.097127] nbd: must specify a size in bytes for the device [ 1719.103406] nbd: must specify a size in bytes for the device [ 1719.109402] nbd: must specify a size in bytes for the device [ 1719.115258] nbd: must specify a size in bytes for the device [ 1719.121182] nbd: must specify a size in bytes for the device [ 1719.127032] nbd: must specify a size in bytes for the device [ 1719.132946] nbd: must specify a size in bytes for the device [ 1719.138800] nbd: must specify a size in bytes for the device [ 1719.144787] nbd: must specify a size in bytes for the device [ 1719.150762] nbd: must specify a size in bytes for the device [ 1719.156613] nbd: must specify a size in bytes for the device [ 1719.162537] nbd: must specify a size in bytes for the device [ 1719.168417] nbd: must specify a size in bytes for the device [ 1719.174335] nbd: must specify a size in bytes for the device [ 1719.180279] nbd: must specify a size in bytes for the device [ 1719.186126] nbd: must specify a size in bytes for the device [ 1719.192051] nbd: must specify a size in bytes for the device [ 1719.197902] nbd: must specify a size in bytes for the device [ 1719.203809] nbd: must specify a size in bytes for the device [ 1719.209757] nbd: must specify a size in bytes for the device [ 1719.215616] nbd: must specify a size in bytes for the device [ 1719.221533] nbd: must specify a size in bytes for the device [ 1719.227386] nbd: must specify a size in bytes for the device [ 1719.233321] nbd: must specify a size in bytes for the device [ 1719.239254] nbd: must specify a size in bytes for the device [ 1719.245102] nbd: must specify a size in bytes for the device [ 1719.251039] nbd: must specify a size in bytes for the device [ 1719.256890] nbd: must specify a size in bytes for the device [ 1719.262805] nbd: must specify a size in bytes for the device [ 1719.268651] nbd: must specify a size in bytes for the device [ 1719.274580] nbd: must specify a size in bytes for the device [ 1719.280511] nbd: must specify a size in bytes for the device [ 1719.286361] nbd: must specify a size in bytes for the device [ 1719.292297] nbd: must specify a size in bytes for the device [ 1719.298150] nbd: must specify a size in bytes for the device [ 1719.304148] nbd: must specify a size in bytes for the device [ 1719.310109] nbd: must specify a size in bytes for the device [ 1719.315953] nbd: must specify a size in bytes for the device [ 1719.321870] nbd: must specify a size in bytes for the device [ 1719.327724] nbd: must specify a size in bytes for the device [ 1719.333651] nbd: must specify a size in bytes for the device [ 1719.339589] nbd: must specify a size in bytes for the device [ 1719.345451] nbd: must specify a size in bytes for the device [ 1719.351371] nbd: must specify a size in bytes for the device 12:48:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) r6 = socket(0x23, 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="b0000000", @ANYRES16=r4, @ANYBLOB="01002abd7000fddbdf25010000000c00080000000000010000004c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e5ff40599aec47a3d8ccf04d406427f95005f2eeb7361d7c7ff83288d035dc2bc22c0e00"/50, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c000600010000000000000008000a006e6264000c00050000000000000000000c00060002000000000000000c000200ff010000000000000c0006000100000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x2000c1b1}, 0x800) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 12:48:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r6, 0x300, 0x70bd26, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1110}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004800}, 0x0) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = socket(0x1f, 0x10000d, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x8c, r6, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf785}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '&'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffe}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd3c}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x8080) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r11, &(0x7f00000002c0)={&(0x7f00000001c0), 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x40, r1, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x10}, 0x8c5) sendmsg$NBD_CMD_CONNECT(r11, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000500), r0) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000007c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000540)={0x234, r6, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x48, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b1807d5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x43e72745}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xd1bb03b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSLVLLST={0x11c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3d3aee90}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ce97735}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x37}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xab}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25258a85}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x19}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x61b1e612}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7aed6626}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21f0f040}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ca055ff}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x44}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xca}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x83}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd31151}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4114b8d3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51aab0f6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e05fb42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44f9f341}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x14af4b14}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4c, 0x8, 0x0, 0x1, [{0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x26b9401c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3905623b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1fbc7643}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}]}]}, 0x234}, 0x1, 0x0, 0x0, 0x8800}, 0x804) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r4, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x967a1d2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe09c}]}, 0x64}, 0x1, 0x0, 0x0, 0x4}, 0x8000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="f006800000000000eb000000000000000000"], 0x18}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x198, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xb0, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x43}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2b992068}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf9}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b73c06}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3860ea5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x218ad33a}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2f71c6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4205275}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53cf0ac2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x61}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x508bbb3e}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x34c2ebce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x129dc77b}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5171c3e5}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc86f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc383}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5993b17f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdbd2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5b29}]}, {0x4}, {0x4}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}]}, 0x198}, 0x1, 0x0, 0x0, 0x40}, 0x40000) [ 1719.357289] nbd: must specify a size in bytes for the device [ 1719.363212] nbd: must specify a size in bytes for the device [ 1719.369180] nbd: must specify a size in bytes for the device [ 1719.375027] nbd: must specify a size in bytes for the device [ 1719.380940] nbd: must specify a size in bytes for the device 12:48:26 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_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000500), r0) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000007c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000540)={0x234, r6, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x48, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b1807d5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x43e72745}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xd1bb03b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSLVLLST={0x11c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3d3aee90}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ce97735}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x37}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xab}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25258a85}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x19}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x61b1e612}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7aed6626}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21f0f040}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ca055ff}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x44}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xca}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x83}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd31151}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4114b8d3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51aab0f6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e05fb42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44f9f341}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x14af4b14}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4c, 0x8, 0x0, 0x1, [{0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x26b9401c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3905623b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1fbc7643}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}]}]}, 0x234}, 0x1, 0x0, 0x0, 0x8800}, 0x804) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r4, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x967a1d2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe09c}]}, 0x64}, 0x1, 0x0, 0x0, 0x4}, 0x8000) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="f006800000000000eb000000000000000000"], 0x18}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x198, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xb0, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x43}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2b992068}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf9}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b73c06}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3860ea5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x218ad33a}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2f71c6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4205275}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53cf0ac2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x61}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x508bbb3e}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x34c2ebce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x129dc77b}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5171c3e5}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc86f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc383}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5993b17f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdbd2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5b29}]}, {0x4}, {0x4}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}]}, 0x198}, 0x1, 0x0, 0x0, 0x40}, 0x40000) 12:48:26 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_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1719.476175] nbd: must specify a device to reconfigure [ 1719.489449] nbd: must specify a size in bytes for the device [ 1719.507545] nbd: must specify a device to reconfigure [ 1719.516646] nbd: must specify a size in bytes for the device 12:48:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) r6 = socket(0x23, 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="b0000000", @ANYRES16=r4, @ANYBLOB="01002abd7000fddbdf25010000000c00080000000000010000004c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e5ff40599aec47a3d8ccf04d406427f95005f2eeb7361d7c7ff83288d035dc2bc22c0e00"/50, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c000600010000000000000008000a006e6264000c00050000000000000000000c00060002000000000000000c000200ff010000000000000c0006000100000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x2000c1b1}, 0x800) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1719.530677] nbd: must specify a size in bytes for the device 12:48:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) (async, rerun: 64) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r6, 0x300, 0x70bd26, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1110}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004800}, 0x0) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = socket(0x1f, 0x10000d, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x8c, r6, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf785}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '&'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffe}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd3c}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x8080) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r11, &(0x7f00000002c0)={&(0x7f00000001c0), 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x40, r1, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x10}, 0x8c5) sendmsg$NBD_CMD_CONNECT(r11, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000500), r0) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000007c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000540)={0x234, r6, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x48, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b1807d5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x43e72745}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xd1bb03b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSLVLLST={0x11c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3d3aee90}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ce97735}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x37}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xab}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25258a85}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x19}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x61b1e612}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7aed6626}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21f0f040}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ca055ff}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x44}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xca}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x83}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd31151}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4114b8d3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51aab0f6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e05fb42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44f9f341}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x14af4b14}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4c, 0x8, 0x0, 0x1, [{0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x26b9401c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3905623b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1fbc7643}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}]}]}, 0x234}, 0x1, 0x0, 0x0, 0x8800}, 0x804) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r4, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x967a1d2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe09c}]}, 0x64}, 0x1, 0x0, 0x0, 0x4}, 0x8000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="f006800000000000eb000000000000000000"], 0x18}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x198, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xb0, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x43}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2b992068}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf9}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b73c06}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3860ea5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x218ad33a}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2f71c6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4205275}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53cf0ac2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x61}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x508bbb3e}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x34c2ebce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x129dc77b}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5171c3e5}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc86f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc383}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5993b17f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdbd2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5b29}]}, {0x4}, {0x4}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}]}, 0x198}, 0x1, 0x0, 0x0, 0x40}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r2, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000500), r0) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f00000007c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000540)={0x234, r6, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x44, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x1}, {0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x5}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x48, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x21}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b1807d5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x43e72745}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xd1bb03b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x38}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}, @NLBL_CIPSOV4_A_MLSLVLLST={0x11c, 0x8, 0x0, 0x1, [{0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3d3aee90}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x7d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ce97735}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x37}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xab}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x25258a85}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x19}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x61b1e612}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xbc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7aed6626}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x21f0f040}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xdb}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3ca055ff}]}, {0x44, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x44}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x4c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xca}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x83}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7cd31151}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4114b8d3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc6}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51aab0f6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfe}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1e05fb42}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x44f9f341}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x14af4b14}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x4c, 0x8, 0x0, 0x1, [{0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x35}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x26b9401c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3905623b}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf7}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1fbc7643}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa5}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x58}]}]}, @NLBL_CIPSOV4_A_DOI={0x8}, @NLBL_CIPSOV4_A_TAGLST={0x14, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x1}, {0x5, 0x3, 0x2}]}]}, 0x234}, 0x1, 0x0, 0x0, 0x8800}, 0x804) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, r4, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x967a1d2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe09c}]}, 0x64}, 0x1, 0x0, 0x0, 0x4}, 0x8000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="f006800000000000eb000000000000000000"], 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_CIPSOV4_C_REMOVE(r8, &(0x7f0000000480)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x198, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0xb0, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x43}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2b992068}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf9}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7b73c06}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3860ea5b}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x218ad33a}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2f71c6c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x4205275}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xda}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x53cf0ac2}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x61}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x508bbb3e}]}, {0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xe2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x34c2ebce}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x129dc77b}]}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x2}, @NLBL_CIPSOV4_A_TAGLST={0x3c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x6}, {0x5, 0x3, 0x7}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x2}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x7}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_TAGLST={0x24, 0x4, 0x0, 0x1, [{0x5}, {0x5, 0x3, 0x5}, {0x5, 0x3, 0x6}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0xffffffffffffffff}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x1}, @NLBL_CIPSOV4_A_MLSCATLST={0x44, 0xc, 0x0, 0x1, [{0xc, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5171c3e5}]}, {0x2c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc86f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc383}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5993b17f}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xdbd2}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x5b29}]}, {0x4}, {0x4}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}]}, 0x198}, 0x1, 0x0, 0x0, 0x40}, 0x40000) (async) [ 1719.639233] nbd: must specify a device to reconfigure 12:48:26 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r4, &(0x7f0000000400)={0x8}, 0x8) r5 = socket(0x23, 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="b0000000", @ANYRES16=r3, @ANYBLOB="01002abd7000fddbdf25010000000c00080000000000010000004c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="e5ff40599aec47a3d8ccf04d406427f95005f2eeb7361d7c7ff83288d035dc2bc22c0e00"/50, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c000600010000000000000008000a006e6264000c00050000000000000000000c00060002000000000000000c000200ff010000000000000c0006000100000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x2000c1b1}, 0x800) [ 1719.719959] nbd: must specify a size in bytes for the device [ 1719.735924] nbd: must specify a device to reconfigure [ 1719.743945] nbd: must specify a size in bytes for the device 12:48:26 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r6, 0x300, 0x70bd26, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1110}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004800}, 0x0) r8 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) r9 = socket(0x1f, 0x10000d, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x8c, r6, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf785}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '&'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffe}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd3c}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x8080) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r11, &(0x7f00000002c0)={&(0x7f00000001c0), 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x40, r1, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x10}, 0x8c5) sendmsg$NBD_CMD_CONNECT(r11, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r6, 0x300, 0x70bd26, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1110}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004800}, 0x0) (async) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) (async) write$P9_RLOCK(r8, &(0x7f0000000400)={0x8}, 0x8) (async) socket(0x1f, 0x10000d, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000440)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x8c, r6, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf785}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '&'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffe}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r3, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd3c}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x8080) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r11, &(0x7f00000002c0)={&(0x7f00000001c0), 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x40, r1, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x10}, 0x8c5) (async) sendmsg$NBD_CMD_CONNECT(r11, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 1719.785738] nbd: must specify a size in bytes for the device [ 1719.797212] nbd: must specify a device to reconfigure 12:48:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="1cea4c3550af992c840ae51febabfe7601002b6a1cfd90061f8c4b40245659493be952aa34ea6c119cb58ddd9ae4ed607b846c25fddb7c49777ac6798da256c84878244085643649f6c7429a133dcc66ba0df68cbccfcbfa86de2b22bc7cbf61f16a7f8e217f227537d4781a4426a456a70091179a6a60d0"], 0x18}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r7, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r6, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x18, r6, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4085}, 0x4000) 12:48:26 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r2, &(0x7f0000000400)={0x8}, 0x8) socket(0x23, 0x2, 0x0) [ 1719.836134] nbd: must specify a size in bytes for the device [ 1719.878145] nbd: must specify a device to reconfigure 12:48:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="1cea4c3550af992c840ae51febabfe7601002b6a1cfd90061f8c4b40245659493be952aa34ea6c119cb58ddd9ae4ed607b846c25fddb7c49777ac6798da256c84878244085643649f6c7429a133dcc66ba0df68cbccfcbfa86de2b22bc7cbf61f16a7f8e217f227537d4781a4426a456a70091179a6a60d0"], 0x18}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r7, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r6, 0x401}, 0x14}}, 0x0) (async) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x18, r6, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4085}, 0x4000) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) socket(0x23, 0x2, 0x0) 12:48:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1719.906837] nbd: must specify a size in bytes for the device 12:48:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) 12:48:26 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0xa0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd1d}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) socket(0x23, 0x2, 0x0) [ 1719.991061] nbd: couldn't find device at index 1 12:48:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 3: 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000000), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="1cea4c3550af992c840ae51febabfe7601002b6a1cfd90061f8c4b40245659493be952aa34ea6c119cb58ddd9ae4ed607b846c25fddb7c49777ac6798da256c84878244085643649f6c7429a133dcc66ba0df68cbccfcbfa86de2b22bc7cbf61f16a7f8e217f227537d4781a4426a456a70091179a6a60d0"], 0x18}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000280), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_LISTALL(r7, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000880)={&(0x7f0000000740)={0x14, r6, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_CIPSOV4_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x18, r6, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4085}, 0x4000) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) socket(0x23, 0x2, 0x0) 12:48:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x94, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\',)\x16.'}]}, 0x94}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (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$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) 12:48:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1720.026706] nbd: must specify a device to reconfigure [ 1720.041389] nbd: must specify at least one socket [ 1720.057463] nbd: couldn't find device at index 1 12:48:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket(0x23, 0x2, 0x0) 12:48:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:26 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x88, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x88}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) syz_init_net_socket$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$nbd(&(0x7f0000000280), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) (async) 12:48:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$uinput_user_dev(0xffffffffffffffff, &(0x7f00000002c0)={'syz0\x00', {0xfffa, 0x7fff, 0x0, 0x3}, 0x48, [0x5, 0xffff1ea2, 0x3, 0x4, 0x1, 0x9, 0x0, 0x9, 0x9, 0x2, 0xff, 0x5, 0x368, 0x9, 0x800, 0x800, 0x20, 0x4, 0x0, 0x7d, 0x401, 0xff, 0xfff, 0x3ff, 0x80000001, 0x3, 0xd98a, 0x7, 0x5, 0x7fff, 0x8000, 0xffff, 0x6bbb, 0x9, 0x6, 0x2, 0x6, 0x2, 0x1ca9, 0x1, 0x36e3, 0x7ff, 0x4, 0x5, 0x7, 0xf71d, 0x3, 0x9, 0x2, 0x9, 0x10000000, 0x627e6de2, 0x1, 0xca33, 0xfffffffb, 0x4, 0x1, 0x6, 0x4, 0x5b60, 0x48, 0x2, 0x5, 0x7], [0xf08, 0x3ff, 0x8001, 0x8fc2, 0x400, 0x0, 0x4, 0xfffffffb, 0x7, 0x5, 0x42, 0x7ff, 0x54, 0x4, 0xfff, 0x0, 0x0, 0xfffffffc, 0x3, 0x7, 0x6, 0x9, 0x80000000, 0xff, 0xd86f, 0x1, 0x5, 0xffffffe1, 0x8, 0x8, 0xffff, 0x3, 0x0, 0x0, 0x1, 0x8, 0xfffffffd, 0x0, 0x7f, 0xfff, 0x9, 0x0, 0x8, 0x9, 0xfffffffa, 0x4, 0x2, 0x0, 0x80000001, 0x8001, 0x2, 0xffff, 0x4, 0x2, 0x150f, 0x2, 0x81, 0x6, 0x200, 0x5, 0x9e, 0x30000000, 0x0, 0x1], [0x3, 0x1, 0x401, 0x100, 0x7fff, 0x2, 0x2, 0x9c2, 0x34b, 0x7ff, 0xfff, 0x6, 0x9, 0x4, 0x1, 0x9, 0x9, 0x5f, 0x800, 0x3f, 0x8, 0x5a000000, 0x400, 0x1, 0x8, 0x8000, 0x9, 0x7f, 0x3, 0x7bf, 0xffffc72d, 0x0, 0x0, 0x80000000, 0x1, 0x3, 0x100, 0x6, 0x6, 0x800, 0x0, 0x200, 0x9, 0x7, 0x0, 0x5, 0xffffffff, 0x4, 0x7, 0xf23, 0x8001, 0xf825, 0x1, 0x100, 0x0, 0xffffffff, 0x29e, 0x1, 0x2, 0xffffffff, 0xdd, 0x4, 0x5, 0x8000], [0x7, 0xffffffe0, 0x10001, 0x1, 0x4, 0x9, 0xfffffffe, 0x80000001, 0x10000, 0x3, 0x1, 0x10000, 0x3f, 0x2, 0xba, 0x2, 0xffff, 0x0, 0x4, 0xffffffff, 0x3f, 0x10001, 0xfffffc01, 0x2, 0xf0b, 0x80, 0x4, 0x0, 0x7, 0x3f, 0x7, 0x724, 0x72b, 0x8, 0x81ad, 0x81, 0x9dcd, 0x3, 0x0, 0x1, 0x6, 0x3, 0x95df, 0x9, 0x4, 0xff, 0x9, 0x5, 0x40, 0x6977, 0x4, 0x3, 0x233, 0x0, 0x2, 0xb29c, 0x3, 0x70b2dcc8, 0x7, 0x3, 0xe83e, 0x361e, 0x8000, 0xcfe1]}, 0x45c) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 1720.157157] nbd: couldn't find device at index 1 [ 1720.172218] nbd: must specify a device to reconfigure [ 1720.177477] nbd: must specify at least one socket 12:48:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket(0x23, 0x2, 0x0) 12:48:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) socket(0x23, 0x2, 0x0) 12:48:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$uinput_user_dev(0xffffffffffffffff, &(0x7f00000002c0)={'syz0\x00', {0xfffa, 0x7fff, 0x0, 0x3}, 0x48, [0x5, 0xffff1ea2, 0x3, 0x4, 0x1, 0x9, 0x0, 0x9, 0x9, 0x2, 0xff, 0x5, 0x368, 0x9, 0x800, 0x800, 0x20, 0x4, 0x0, 0x7d, 0x401, 0xff, 0xfff, 0x3ff, 0x80000001, 0x3, 0xd98a, 0x7, 0x5, 0x7fff, 0x8000, 0xffff, 0x6bbb, 0x9, 0x6, 0x2, 0x6, 0x2, 0x1ca9, 0x1, 0x36e3, 0x7ff, 0x4, 0x5, 0x7, 0xf71d, 0x3, 0x9, 0x2, 0x9, 0x10000000, 0x627e6de2, 0x1, 0xca33, 0xfffffffb, 0x4, 0x1, 0x6, 0x4, 0x5b60, 0x48, 0x2, 0x5, 0x7], [0xf08, 0x3ff, 0x8001, 0x8fc2, 0x400, 0x0, 0x4, 0xfffffffb, 0x7, 0x5, 0x42, 0x7ff, 0x54, 0x4, 0xfff, 0x0, 0x0, 0xfffffffc, 0x3, 0x7, 0x6, 0x9, 0x80000000, 0xff, 0xd86f, 0x1, 0x5, 0xffffffe1, 0x8, 0x8, 0xffff, 0x3, 0x0, 0x0, 0x1, 0x8, 0xfffffffd, 0x0, 0x7f, 0xfff, 0x9, 0x0, 0x8, 0x9, 0xfffffffa, 0x4, 0x2, 0x0, 0x80000001, 0x8001, 0x2, 0xffff, 0x4, 0x2, 0x150f, 0x2, 0x81, 0x6, 0x200, 0x5, 0x9e, 0x30000000, 0x0, 0x1], [0x3, 0x1, 0x401, 0x100, 0x7fff, 0x2, 0x2, 0x9c2, 0x34b, 0x7ff, 0xfff, 0x6, 0x9, 0x4, 0x1, 0x9, 0x9, 0x5f, 0x800, 0x3f, 0x8, 0x5a000000, 0x400, 0x1, 0x8, 0x8000, 0x9, 0x7f, 0x3, 0x7bf, 0xffffc72d, 0x0, 0x0, 0x80000000, 0x1, 0x3, 0x100, 0x6, 0x6, 0x800, 0x0, 0x200, 0x9, 0x7, 0x0, 0x5, 0xffffffff, 0x4, 0x7, 0xf23, 0x8001, 0xf825, 0x1, 0x100, 0x0, 0xffffffff, 0x29e, 0x1, 0x2, 0xffffffff, 0xdd, 0x4, 0x5, 0x8000], [0x7, 0xffffffe0, 0x10001, 0x1, 0x4, 0x9, 0xfffffffe, 0x80000001, 0x10000, 0x3, 0x1, 0x10000, 0x3f, 0x2, 0xba, 0x2, 0xffff, 0x0, 0x4, 0xffffffff, 0x3f, 0x10001, 0xfffffc01, 0x2, 0xf0b, 0x80, 0x4, 0x0, 0x7, 0x3f, 0x7, 0x724, 0x72b, 0x8, 0x81ad, 0x81, 0x9dcd, 0x3, 0x0, 0x1, 0x6, 0x3, 0x95df, 0x9, 0x4, 0xff, 0x9, 0x5, 0x40, 0x6977, 0x4, 0x3, 0x233, 0x0, 0x2, 0xb29c, 0x3, 0x70b2dcc8, 0x7, 0x3, 0xe83e, 0x361e, 0x8000, 0xcfe1]}, 0x45c) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1720.262015] nbd: couldn't find device at index 1 [ 1720.276791] nbd: must specify a size in bytes for the device [ 1720.295155] nbd: must specify a device to reconfigure 12:48:27 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) [ 1720.334482] nbd: must specify at least one socket [ 1720.340809] nbd: couldn't find device at index 1 12:48:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) write$uinput_user_dev(0xffffffffffffffff, &(0x7f00000002c0)={'syz0\x00', {0xfffa, 0x7fff, 0x0, 0x3}, 0x48, [0x5, 0xffff1ea2, 0x3, 0x4, 0x1, 0x9, 0x0, 0x9, 0x9, 0x2, 0xff, 0x5, 0x368, 0x9, 0x800, 0x800, 0x20, 0x4, 0x0, 0x7d, 0x401, 0xff, 0xfff, 0x3ff, 0x80000001, 0x3, 0xd98a, 0x7, 0x5, 0x7fff, 0x8000, 0xffff, 0x6bbb, 0x9, 0x6, 0x2, 0x6, 0x2, 0x1ca9, 0x1, 0x36e3, 0x7ff, 0x4, 0x5, 0x7, 0xf71d, 0x3, 0x9, 0x2, 0x9, 0x10000000, 0x627e6de2, 0x1, 0xca33, 0xfffffffb, 0x4, 0x1, 0x6, 0x4, 0x5b60, 0x48, 0x2, 0x5, 0x7], [0xf08, 0x3ff, 0x8001, 0x8fc2, 0x400, 0x0, 0x4, 0xfffffffb, 0x7, 0x5, 0x42, 0x7ff, 0x54, 0x4, 0xfff, 0x0, 0x0, 0xfffffffc, 0x3, 0x7, 0x6, 0x9, 0x80000000, 0xff, 0xd86f, 0x1, 0x5, 0xffffffe1, 0x8, 0x8, 0xffff, 0x3, 0x0, 0x0, 0x1, 0x8, 0xfffffffd, 0x0, 0x7f, 0xfff, 0x9, 0x0, 0x8, 0x9, 0xfffffffa, 0x4, 0x2, 0x0, 0x80000001, 0x8001, 0x2, 0xffff, 0x4, 0x2, 0x150f, 0x2, 0x81, 0x6, 0x200, 0x5, 0x9e, 0x30000000, 0x0, 0x1], [0x3, 0x1, 0x401, 0x100, 0x7fff, 0x2, 0x2, 0x9c2, 0x34b, 0x7ff, 0xfff, 0x6, 0x9, 0x4, 0x1, 0x9, 0x9, 0x5f, 0x800, 0x3f, 0x8, 0x5a000000, 0x400, 0x1, 0x8, 0x8000, 0x9, 0x7f, 0x3, 0x7bf, 0xffffc72d, 0x0, 0x0, 0x80000000, 0x1, 0x3, 0x100, 0x6, 0x6, 0x800, 0x0, 0x200, 0x9, 0x7, 0x0, 0x5, 0xffffffff, 0x4, 0x7, 0xf23, 0x8001, 0xf825, 0x1, 0x100, 0x0, 0xffffffff, 0x29e, 0x1, 0x2, 0xffffffff, 0xdd, 0x4, 0x5, 0x8000], [0x7, 0xffffffe0, 0x10001, 0x1, 0x4, 0x9, 0xfffffffe, 0x80000001, 0x10000, 0x3, 0x1, 0x10000, 0x3f, 0x2, 0xba, 0x2, 0xffff, 0x0, 0x4, 0xffffffff, 0x3f, 0x10001, 0xfffffc01, 0x2, 0xf0b, 0x80, 0x4, 0x0, 0x7, 0x3f, 0x7, 0x724, 0x72b, 0x8, 0x81ad, 0x81, 0x9dcd, 0x3, 0x0, 0x1, 0x6, 0x3, 0x95df, 0x9, 0x4, 0xff, 0x9, 0x5, 0x40, 0x6977, 0x4, 0x3, 0x233, 0x0, 0x2, 0xb29c, 0x3, 0x70b2dcc8, 0x7, 0x3, 0xe83e, 0x361e, 0x8000, 0xcfe1]}, 0x45c) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:27 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4c}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:27 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket(0x23, 0x2, 0x0) 12:48:27 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1720.403481] nbd: couldn't find device at index 1 12:48:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 12:48:27 executing program 4: socket(0x23, 0x2, 0x0) [ 1720.438698] nbd: must specify a size in bytes for the device 12:48:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 4: socket(0x0, 0x2, 0x0) 12:48:27 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 12:48:27 executing program 4: socket(0x0, 0x2, 0x0) 12:48:27 executing program 4: socket(0x0, 0x2, 0x0) 12:48:27 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:27 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x24, 0x0, &(0x7f0000000000)=[@release, @dead_binder_done, @request_death={0x400c630e, 0x1}], 0x1b, 0x0, &(0x7f0000000040)="fc2ee48f012db10d42bc1b1a57b4c40abc89d85cc7dc76ccf52544"}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x64, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd00}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x15340}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x4008080}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="080000000000000000000100000004000780"], 0x18}}, 0x0) [ 1720.590058] nbd: couldn't find device at index 1 [ 1720.600354] nbd: must specify a size in bytes for the device 12:48:27 executing program 4: socket(0x23, 0x0, 0x0) 12:48:27 executing program 4: socket(0x23, 0x0, 0x0) 12:48:27 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 4: socket(0x23, 0x0, 0x0) 12:48:27 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x24, 0x0, &(0x7f0000000000)=[@release, @dead_binder_done, @request_death={0x400c630e, 0x1}], 0x1b, 0x0, &(0x7f0000000040)="fc2ee48f012db10d42bc1b1a57b4c40abc89d85cc7dc76ccf52544"}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) (async) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x64, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd00}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x15340}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x4008080}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="080000000000000000000100000004000780"], 0x18}}, 0x0) 12:48:27 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x24, 0x0, &(0x7f0000000000)=[@release, @dead_binder_done, @request_death={0x400c630e, 0x1}], 0x1b, 0x0, &(0x7f0000000040)="fc2ee48f012db10d42bc1b1a57b4c40abc89d85cc7dc76ccf52544"}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x64, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd00}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x15340}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x4008080}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="080000000000000000000100000004000780"], 0x18}}, 0x0) 12:48:27 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f00000000c0)={0x24, 0x0, &(0x7f0000000000)=[@release, @dead_binder_done, @request_death={0x400c630e, 0x1}], 0x1b, 0x0, &(0x7f0000000040)="fc2ee48f012db10d42bc1b1a57b4c40abc89d85cc7dc76ccf52544"}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r3, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000001c0)={0xffffffffffffffff}) (async) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) write$P9_RLOCK(r5, &(0x7f0000000400)={0x8}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x64, r1, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd00}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x15340}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x4008080}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="080000000000000000000100000004000780"], 0x18}}, 0x0) 12:48:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1720.857127] nbd: couldn't find device at index 1 12:48:27 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:27 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$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) 12:48:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1721.042484] nbd: must specify an index to disconnect 12:48:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.130269] nbd: must specify a size in bytes for the device [ 1721.161547] nbd: must specify a device to reconfigure 12:48:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) 12:48:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000e80)={0x0, 0x0, &(0x7f0000000e40)={0x0}}, 0x44039) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 12:48:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x800}, 0x8) [ 1721.320457] nbd: must specify at least one socket 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.358659] nbd: couldn't find device at index 1 12:48:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) [ 1721.408110] nla_parse: 96 callbacks suppressed [ 1721.408123] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1721.438132] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.451596] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '-%,(:+%'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.533004] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1721.551277] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1721.560087] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xaccf}]}, 0x20}}, 0x2014) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet_smc(0x2b, 0x1, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) socket(0x23, 0x2, 0x0) [ 1721.619802] nbd: must specify a device to reconfigure [ 1721.626367] nbd: couldn't find device at index 1 [ 1721.636119] nbd: must specify at least one socket [ 1721.656612] nbd: must specify a device to reconfigure [ 1721.669203] nbd: must specify at least one socket 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x8) 12:48:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.729116] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1721.737901] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1721.746770] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000400)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00dba1a4aa03fbdbdf25050000000051bdc551c253193a33d474cba58eaaa78ef6468c0a67b18186dccda528951ee9680ee5bf345ccde6e26e0d9e45455d59022d814179dcbbc4c985471fc0f1e23bbfadc1ed35b1e7126689d3323cb0a7b43a2169186a8fb25ed5e74fcfe9004043764a5758fd64a2705a13d237fb18e04e560817e944ef4ba2742b6529"], 0x20}, 0x1, 0x0, 0x0, 0x81}, 0x20000000) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x8) [ 1721.810702] nbd: must specify a device to reconfigure [ 1721.825270] nbd: must specify at least one socket 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.871566] nbd: couldn't find device at index 1 [ 1721.897056] nbd: must specify a device to reconfigure 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 12:48:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000c40)={&(0x7f0000000b80)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000c00)={&(0x7f0000000bc0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.945045] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 12:48:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1721.998029] nbd: couldn't find device at index 1 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) [ 1722.082166] nbd: couldn't find device at index 1 12:48:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) [ 1722.104192] nbd: must specify a device to reconfigure 12:48:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 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(&(0x7f0000000280), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:28 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:28 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$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$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x78}}, 0x0) 12:48:29 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x78}}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x78}}, 0x0) 12:48:29 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x78}}, 0x0) 12:48:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x78}}, 0x0) 12:48:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:30 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b00"], 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b00"], 0x78}}, 0x0) 12:48:30 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 12:48:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b00"], 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b00"], 0x78}}, 0x0) 12:48:30 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:30 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$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b00"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b00"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 12:48:30 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$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006"], 0x78}}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006"], 0x78}}, 0x0) 12:48:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006"], 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006"], 0x78}}, 0x0) 12:48:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0, 0x78}}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006"], 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c00060001000000"], 0x78}}, 0x0) 12:48:30 executing program 3: syz_init_net_socket$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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c00060001000000"], 0x78}}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c00060001000000"], 0x78}}, 0x0) 12:48:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 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$nbd(0x0, r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000011}, 0x20004000) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c0006000100000000000000"], 0x78}}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c00060001000000"], 0x78}}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c00060001000000"], 0x78}}, 0x0) 12:48:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32], 0x78}}, 0x0) 12:48:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000380)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010627bd7000fcdbdf25050000000c000800070000000000000008000100000000000c00030045000000000000000c00040006000000000000000c00060081000000000000000c00050002000000000000000c0002005400000000000000"], 0x64}, 0x1, 0x0, 0x0, 0x1000}, 0x0) 12:48:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c000600010000000000"], 0x78}}, 0x0) 12:48:30 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c00020001010000000000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="6991e137", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040004000000000000000c0005000b000000000000000c00060001000000"], 0x78}}, 0x0) [ 1724.133114] refcount_t: underflow; use-after-free. [ 1724.145215] ------------[ cut here ]------------ [ 1724.150023] WARNING: CPU: 1 PID: 12993 at lib/refcount.c:281 refcount_dec_not_one.cold+0x18/0x25 [ 1724.158940] Kernel panic - not syncing: panic_on_warn set ... [ 1724.158940] [ 1724.166299] CPU: 1 PID: 12993 Comm: systemd-udevd Not tainted 4.14.304-syzkaller #0 [ 1724.174109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 1724.183449] Call Trace: [ 1724.186018] dump_stack+0x1b2/0x281 [ 1724.189631] panic+0x1f9/0x42d [ 1724.192810] ? add_taint.cold+0x16/0x16 [ 1724.196763] ? refcount_dec_not_one.cold+0x18/0x25 [ 1724.201671] ? refcount_dec_not_one.cold+0x18/0x25 [ 1724.206578] __warn.cold+0x20/0x44 [ 1724.210102] ? ist_end_non_atomic+0x10/0x10 [ 1724.214414] ? refcount_dec_not_one.cold+0x18/0x25 [ 1724.219326] report_bug+0x208/0x250 [ 1724.222976] do_error_trap+0x195/0x2d0 [ 1724.226848] ? math_error+0x2d0/0x2d0 [ 1724.230633] ? ___preempt_schedule+0x16/0x18 [ 1724.235031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1724.239865] invalid_op+0x1b/0x40 [ 1724.243313] RIP: 0010:refcount_dec_not_one.cold+0x18/0x25 [ 1724.248828] RSP: 0018:ffff88807b407c38 EFLAGS: 00010286 [ 1724.254179] RAX: 0000000000000026 RBX: 0000000000000000 RCX: 0000000000000000 [ 1724.261428] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed100f680f7d [ 1724.268679] RBP: ffff88809bfbe618 R08: 0000000000000026 R09: 0000000000000000 [ 1724.275936] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 1724.283185] R13: 0000000000000000 R14: ffffed1010cfe57e R15: ffff88809bfbe628 [ 1724.290461] ? refcount_dec_not_one.cold+0x18/0x25 [ 1724.295379] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 1724.300376] refcount_dec_and_mutex_lock+0x1a/0x60 [ 1724.305288] nbd_config_put+0x442/0x6c0 [ 1724.309255] nbd_release+0xdf/0x150 [ 1724.312865] ? nbd_ioctl+0xad0/0xad0 [ 1724.316558] __blkdev_put+0x5aa/0x800 [ 1724.320340] ? revalidate_disk+0x1f0/0x1f0 [ 1724.324554] ? locks_remove_file+0x2cd/0x420 [ 1724.328959] ? blkdev_put+0x75/0x4c0 [ 1724.332662] ? blkdev_put+0x4c0/0x4c0 [ 1724.336442] blkdev_close+0x86/0xb0 [ 1724.340055] __fput+0x25f/0x7a0 [ 1724.343324] task_work_run+0x11f/0x190 [ 1724.347193] exit_to_usermode_loop+0x1ad/0x200 [ 1724.351764] do_syscall_64+0x4a3/0x640 [ 1724.355651] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1724.360827] RIP: 0033:0x7f1de0c7f270 [ 1724.364520] RSP: 002b:00007ffc276048d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1724.372220] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f1de0c7f270 [ 1724.379477] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 1724.386724] RBP: 00007f1de1b39710 R08: 0000000000000045 R09: 0000000000000018 [ 1724.393980] R10: 000055ad06108fb8 R11: 0000000000000246 R12: 0000000000000000 [ 1724.401236] R13: 000055ad06108e20 R14: 0000000000000003 R15: 000000000000000e [ 1724.408949] Kernel Offset: disabled [ 1724.412645] Rebooting in 86400 seconds..