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", 0x2000, &(0x7f00000069c0)={&(0x7f0000000100)={0x50, 0x0, 0x8000000000000000, {0x7, 0x26, 0x10000, 0x1000000, 0xde, 0x8b, 0xffffffff, 0x3}}, &(0x7f0000000080)={0x18, 0x0, 0xf7, {0x3ff}}, &(0x7f0000000180)={0x18, 0x0, 0x1000, {0xff}}, &(0x7f00000001c0)={0x18, 0x0, 0x9, {0x8}}, &(0x7f0000000200)={0x18, 0x0, 0x5, {0x79}}, &(0x7f0000000240)={0x28, 0x0, 0x3, {{0x9, 0x10000, 0x0, 0xffffffffffffffff}}}, &(0x7f0000000280)={0x60, 0x0, 0x400, {{0x13, 0x20, 0xcaa, 0x4, 0x1, 0x1, 0x0, 0xffff}}}, &(0x7f0000000300)={0x18, 0xfffffffffffffffe, 0x1651, {0x2}}, &(0x7f0000000340)={0x11, 0xfffffffffffffff5, 0x7fff, {'\x00'}}, &(0x7f0000000380)={0x20, 0x0, 0x4, {0x0, 0x10}}, &(0x7f0000000440)={0x78, 0xfffffffffffffff5, 0x6596, {0x4, 0x4, 0x0, {0x3, 0x2, 0x5, 0x8000000000000000, 0x3, 0x20, 0x1, 0xfffffffb, 0x800, 0x1000, 0x883, r3, 0x0, 0x8, 0x7fff}}}, &(0x7f00000004c0)={0x90, 0x0, 0x5, {0x5, 0x0, 0x8000000000000000, 0x2, 0x88a, 0x4, {0x3, 0x401, 0x7, 0x5, 0x10000, 0x2, 0x7fffffff, 0x200, 0x0, 0x1000, 0x5, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1000}}}, &(0x7f00000005c0)={0x30, 0x0, 0x1, [{0x4, 0x0, 0x4, 0x7, 'nbd\x00'}]}, &(0x7f0000006780)={0x1f8, 0x0, 0x101, [{{0x5, 0x1, 0xb470, 0x5, 0x8, 0x4, {0x0, 0x0, 0x100000001, 0xff, 0x0, 0x796, 0x8001, 0x18, 0x9, 0x2000, 0x20, r4, r5, 0x505d, 0x800}}, {0x4, 0x5, 0xa, 0x2, '/dev/zero\x00'}}, {{0x4, 0x1, 0xfffffffffffffffa, 0xfd, 0x8, 0x5, {0x6, 0x3f, 0x80000001, 0xffe0000000000, 0x80000000, 0x400, 0x2, 0x1, 0x400, 0xc000, 0x2, 0xee00, 0xffffffffffffffff, 0x4, 0x2e73}}, {0x3, 0x2, 0x4, 0x5, 'nbd\x00'}}, {{0x0, 0x3, 0x100000000, 0x200, 0x9, 0x9, {0x6, 0x9, 0x9, 0x0, 0x9, 0xc1a, 0x5, 0x3ff, 0x2, 0x2000, 0x90, r6, 0x0, 0x4, 0x3}}, {0x5, 0x8, 0x4, 0x2, 'nbd\x00'}}]}, &(0x7f0000000600)={0xa0, 0x0, 0x800, {{0x4, 0x0, 0x4, 0x8000000, 0x6, 0xe8c, {0x0, 0xedd, 0xc7f5, 0x3, 0x4, 0x1, 0x77, 0xfffffffb, 0x9, 0x2000, 0x8000, 0xffffffffffffffff, 0x0, 0x0, 0x9}}, {0x0, 0x2}}}, &(0x7f0000006980)={0x20, 0x0, 0x100000001, {0x6, 0x4, 0xff, 0x800}}}) 23:24:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, r2, 0x20, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x44010}, 0x20000001) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 23:24:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS]}, 0x3c}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xc400, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x26238049882e1548}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, r4, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40080) r5 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x80440, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x42001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x70, r1, 0x300, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x43f248d4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x44) 23:24:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000095cc9e249600010005000c00020000000000000000000c00080800000000000000000c000780210001003640be52237d818ec6de27e9bb48bc81ea0877254895e2e02d6311d29530679e752d1e8756bec1cb1c096859c1bfe9f9ceb6293809f708d1199643f28d6ee786772888c7b02d578b82886528a1a91c", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000095cc9e249600010005000c00020000000000000000000c00080800000000000000000c000780210001003640be52237d818ec6de27e9bb48bc81ea0877254895e2e02d6311d29530679e752d1e8756bec1cb1c096859c1bfe9f9ceb6293809f708d1199643f28d6ee786772888c7b02d578b82886528a1a91c", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) r5 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r5, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x18, 0x140b, 0x1, 0x70bd27, 0x25dfdbfd, "", [@RDMA_NLDEV_ATTR_RES_CM_IDN={0x8}]}, 0x18}, 0x1, 0x0, 0x0, 0x40}, 0xc0c0) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x80, r1, 0x4, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xea0e}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r2}, {0x8, 0x1, r9}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x821}]}, 0x80}, 0x1, 0x0, 0x0, 0x8011}, 0x844) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 23:24:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x2082, 0x0) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r0, &(0x7f0000000100)={0xb, 0x10, 0xfa00, {&(0x7f0000000040), 0xffffffffffffffff, 0xfff}}, 0x18) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) 23:24:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x1, 0x80000001, 0x6}}, 0x28) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x30, r1, 0x800, 0x70bd28, 0x2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '.{'}]}, 0x30}}, 0x0) 23:24:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, r2, 0x20, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x44010}, 0x20000001) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 23:24:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 23:24:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1e000000", @ANYRES16=r1, @ANYBLOB="0002000000000000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x2}, 0x0) 23:24:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) 23:24:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS]}, 0x3c}}, 0x0) (async, rerun: 64) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xc400, 0x0) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x26238049882e1548}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, r4, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40080) r5 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x80440, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x42001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x70, r1, 0x300, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x43f248d4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x44) [ 2259.931397] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2259.959040] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2259.976406] nbd: must specify at least one socket [ 2260.024194] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2260.033771] nbd: must specify at least one socket [ 2260.041032] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2260.050543] nbd: must specify at least one socket [ 2260.055828] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2260.068373] nbd: must specify at least one socket [ 2260.073350] nbd: must specify at least one socket [ 2260.079667] nbd: must specify at least one socket [ 2260.085213] nbd: must specify at least one socket [ 2260.091415] nbd: must specify at least one socket [ 2260.097624] nbd: must specify at least one socket [ 2260.102925] nbd: must specify at least one socket [ 2260.108840] nbd: must specify at least one socket [ 2260.113752] nbd: must specify at least one socket [ 2260.119612] nbd: must specify at least one socket [ 2260.125066] nbd: must specify at least one socket [ 2260.131108] nbd: must specify at least one socket [ 2260.136116] nbd: must specify at least one socket [ 2260.141824] nbd: must specify at least one socket [ 2260.147288] nbd: must specify at least one socket [ 2260.152186] nbd: must specify at least one socket [ 2260.158505] nbd: must specify at least one socket [ 2260.163422] nbd: must specify at least one socket [ 2260.168984] nbd: must specify at least one socket [ 2260.173887] nbd: must specify at least one socket [ 2260.179637] nbd: must specify at least one socket [ 2260.184689] nbd: must specify at least one socket [ 2260.191153] nbd: must specify at least one socket [ 2260.196222] nbd: must specify at least one socket [ 2260.201713] nbd: must specify at least one socket [ 2260.207452] nbd: must specify at least one socket [ 2260.212362] nbd: must specify at least one socket [ 2260.217375] nbd: must specify at least one socket [ 2260.222291] nbd: must specify at least one socket [ 2260.228055] nbd: must specify at least one socket [ 2260.233521] nbd: must specify at least one socket [ 2260.238556] nbd: must specify at least one socket [ 2260.243499] nbd: must specify at least one socket [ 2260.248509] nbd: must specify at least one socket [ 2260.253407] nbd: must specify at least one socket [ 2260.258657] nbd: must specify at least one socket [ 2260.263554] nbd: must specify at least one socket [ 2260.268905] nbd: must specify at least one socket [ 2260.274058] nbd: must specify at least one socket [ 2260.279037] nbd: must specify at least one socket [ 2260.283926] nbd: must specify at least one socket [ 2260.289215] nbd: must specify at least one socket [ 2260.294254] nbd: must specify at least one socket [ 2260.299268] nbd: must specify at least one socket [ 2260.304265] nbd: must specify at least one socket [ 2260.309365] nbd: must specify at least one socket [ 2260.314359] nbd: must specify at least one socket [ 2260.319567] nbd: must specify at least one socket [ 2260.324564] nbd: must specify at least one socket [ 2260.330049] nbd: must specify at least one socket [ 2260.335038] nbd: must specify at least one socket [ 2260.340205] nbd: must specify at least one socket [ 2260.345360] nbd: must specify at least one socket [ 2260.350352] nbd: must specify at least one socket [ 2260.355694] nbd: must specify at least one socket [ 2260.360669] nbd: must specify at least one socket [ 2260.365649] nbd: must specify at least one socket [ 2260.370748] nbd: must specify at least one socket [ 2260.375654] nbd: must specify at least one socket [ 2260.381136] nbd: must specify at least one socket [ 2260.386223] nbd: must specify at least one socket [ 2260.391347] nbd: must specify at least one socket [ 2260.396292] nbd: must specify at least one socket 23:24:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) setsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040)=0x7ff, 0x4) geteuid() read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) getegid() read$FUSE(r2, &(0x7f0000004740)={0x2020}, 0x2020) 23:24:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x1, 0x80000001, 0x6}}, 0x28) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x1, 0x80000001, 0x6}}, 0x28) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x30, r1, 0x800, 0x70bd28, 0x2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '.{'}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x30, r1, 0x800, 0x70bd28, 0x2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '.{'}]}, 0x30}}, 0x0) 23:24:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, r2, 0x20, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x44010}, 0x20000001) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 23:24:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) 23:24:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1e000000", @ANYRES16=r1, @ANYBLOB="0002000000000000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x2}, 0x0) 23:24:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS]}, 0x3c}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xc400, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x26238049882e1548}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, r4, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40080) r5 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x80440, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x42001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x70, r1, 0x300, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x43f248d4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x44) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS]}, 0x3c}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xc400, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x26238049882e1548}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, r4, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x800}, 0x40080) (async) openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x80440, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x42001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x70, r1, 0x300, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x43f248d4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x44) (async) 23:24:09 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1e000000", @ANYRES16=r1, @ANYBLOB="0002000000000000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x2}, 0x0) 23:24:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 23:24:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x1, 0x80000001, 0x6}}, 0x28) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x30, r1, 0x800, 0x70bd28, 0x2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '.{'}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, &(0x7f0000000080)={0x28, 0x2, 0x0, {0x1, 0x80000001, 0x6}}, 0x28) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x30, r1, 0x800, 0x70bd28, 0x2, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '.{'}]}, 0x30}}, 0x0) (async) 23:24:09 executing program 2: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r0, &(0x7f0000000280)={0x5, 0x10, 0xfa00, {&(0x7f0000000080)}}, 0x18) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000000700)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP(r0, 0xd0009412, &(0x7f0000001700)={r3, 0x40}) [ 2260.835451] nbd: must specify at least one socket 23:24:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="fe00330041bef4de6f97c78027fcd54c23b557fa8ef9a6179c4749b246c5f00aebaf23ae35c3dbc056ea3c4477e52656fc21c1afddc63050279dff885cf706c2107d000000006a47f78577d6f26cbe56739ce9e7647f65bba63551b3c7ca", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0xfffffffffffffc7c, &(0x7f00000003c0)={&(0x7f0000000100)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x3}]}, 0x38}}, 0x0) [ 2260.932337] nbd: must specify at least one socket 23:24:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="fe00330041bef4de6f97c78027fcd54c23b557fa8ef9a6179c4749b246c5f00aebaf23ae35c3dbc056ea3c4477e52656fc21c1afddc63050279dff885cf706c2107d000000006a47f78577d6f26cbe56739ce9e7647f65bba63551b3c7ca", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:10 executing program 2: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r0, &(0x7f0000000280)={0x5, 0x10, 0xfa00, {&(0x7f0000000080)}}, 0x18) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000000700)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP(r0, 0xd0009412, &(0x7f0000001700)={r3, 0x40}) openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) (async) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r0, &(0x7f0000000280)={0x5, 0x10, 0xfa00, {&(0x7f0000000080)}}, 0x18) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000000700)={0x0, 0x0, "9ae04726468006fe762c957e80e106f17718658ba82c0a4740dcc9263d29b4c51eca31a8cdde5a157600078a782194e15a378705927f7e0eb559b1e62d2451083a5a22d57e547f7ed00bbb2bc8edb683e2e05ceaa1a0c7d5b2b24a24a10b68bab2297bcd53b9b6f4baca5747a4ca58d5bf0fb25d821e7d1485f50932afc358fe8ccb3142619c987295dfb03efa2cf9cd1b3cef6c36220b42161698b77d2470b2d46ac3e99390f41f12b9461c5cc57e177c249266f2fc5430d7a7cdad2ae2d814252198c3f0db0596e0cefedffd7c8408836d96ad1bedc9da5f955f568b5dab1ec7eb31d16c06c121a875fcd6f8c12792263c120dc99c7458e565ba1179718a34", "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"}) (async) ioctl$BTRFS_IOC_INO_LOOKUP(r0, 0xd0009412, &(0x7f0000001700)={r3, 0x40}) (async) 23:24:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) setsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040)=0x7ff, 0x4) geteuid() read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) getegid() read$FUSE(r2, &(0x7f0000004740)={0x2020}, 0x2020) 23:24:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) 23:24:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async, rerun: 64) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0xfffffffffffffc7c, &(0x7f00000003c0)={&(0x7f0000000100)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x3}]}, 0x38}}, 0x0) 23:24:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r3, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r4, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e22, 0x4008001, @remote, 0x6}, r4}}, 0x30) ioctl$BTRFS_IOC_TREE_SEARCH(r3, 0xd0009411, &(0x7f0000000700)={{0x0, 0x200, 0x0, 0xe1e9, 0xf786, 0xffffffff, 0x1ff, 0xbf5, 0x6, 0x1, 0x854b, 0x8, 0x5, 0x0, 0x1}}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r3, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r4, 0x1}}, 0x18) (async) write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e22, 0x4008001, @remote, 0x6}, r4}}, 0x30) (async) ioctl$BTRFS_IOC_TREE_SEARCH(r3, 0xd0009411, &(0x7f0000000700)={{0x0, 0x200, 0x0, 0xe1e9, 0xf786, 0xffffffff, 0x1ff, 0xbf5, 0x6, 0x1, 0x854b, 0x8, 0x5, 0x0, 0x1}}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:10 executing program 2: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r0, &(0x7f0000000280)={0x5, 0x10, 0xfa00, {&(0x7f0000000080)}}, 0x18) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000000700)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP(r0, 0xd0009412, &(0x7f0000001700)={r3, 0x40}) 23:24:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) 23:24:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="fe00330041bef4de6f97c78027fcd54c23b557fa8ef9a6179c4749b246c5f00aebaf23ae35c3dbc056ea3c4477e52656fc21c1afddc63050279dff885cf706c2107d000000006a47f78577d6f26cbe56739ce9e7647f65bba63551b3c7ca", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:10 executing program 2: r0 = syz_open_dev$media(&(0x7f0000000000), 0x2, 0x400c00) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f00000007c0)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x9, 0x0, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0x7, 0x0, &(0x7f0000000580)=[{}, {}, {}, {}, {}, {}, {0x0, 0x80000000}], 0x4, 0x0, &(0x7f0000000700)=[{}, {}, {}, {}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000c80)={0x0, 0x2, 0x0, &(0x7f0000000840)=[{}, {}], 0x6, 0x0, &(0x7f0000000900)=[{}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000680)=[{0x0, 0x80000000, 0x0, {0x0}}], 0x4, 0x0, &(0x7f0000000bc0)=[{}, {}, {}, {}]}) r3 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000440)={r4, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r5}}) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, &(0x7f0000000d00)={{r1, r2, 0x2, [0x3, 0xffffffff]}, {0x80000000, r5, 0x2, [0x3, 0x6]}, 0x6, [0x3, 0x2]}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) 23:24:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0xfffffffffffffc7c, &(0x7f00000003c0)={&(0x7f0000000100)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x3}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x200, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0xfffffffffffffc7c, &(0x7f00000003c0)={&(0x7f0000000100)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0x0, 0x4, 0x3}]}, 0x38}}, 0x0) (async) 23:24:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r3, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r4, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e22, 0x4008001, @remote, 0x6}, r4}}, 0x30) (async) write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e22, 0x4008001, @remote, 0x6}, r4}}, 0x30) ioctl$BTRFS_IOC_TREE_SEARCH(r3, 0xd0009411, &(0x7f0000000700)={{0x0, 0x200, 0x0, 0xe1e9, 0xf786, 0xffffffff, 0x1ff, 0xbf5, 0x6, 0x1, 0x854b, 0x8, 0x5, 0x0, 0x1}}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = getuid() mount$fuseblk(&(0x7f0000000140), &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0), 0x10000, &(0x7f0000000200)={{}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {}, 0x2c, {'group_id', 0x3d, 0xffffffffffffffff}, 0x2c, {[{@default_permissions}, {@allow_other}, {@max_read={'max_read', 0x3d, 0x1}}, {@max_read={'max_read', 0x3d, 0x3}}], [{@fsmagic={'fsmagic', 0x3d, 0x7fff}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@mask={'mask', 0x3d, 'MAY_WRITE'}}, {@fowner_eq={'fowner', 0x3d, 0xffffffffffffffff}}, {@fowner_gt={'fowner>', r3}}, {@audit}]}}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000004}, 0x10000010) [ 2261.859057] nbd: must specify at least one socket 23:24:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) setsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040)=0x7ff, 0x4) geteuid() read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) getegid() 23:24:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x4c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa984}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x4c}}, 0x0) 23:24:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = socket(0x8, 0x2, 0x7) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r5, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^-'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x17}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000000}, 0x8080) sendmsg$RDMA_NLDEV_CMD_GET(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x20, 0x1401, 0x400, 0x70bd26, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x8010) 23:24:11 executing program 2: r0 = syz_open_dev$media(&(0x7f0000000000), 0x2, 0x400c00) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f00000007c0)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x9, 0x0, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0x7, 0x0, &(0x7f0000000580)=[{}, {}, {}, {}, {}, {}, {0x0, 0x80000000}], 0x4, 0x0, &(0x7f0000000700)=[{}, {}, {}, {}]}) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000c80)={0x0, 0x2, 0x0, &(0x7f0000000840)=[{}, {}], 0x6, 0x0, &(0x7f0000000900)=[{}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000680)=[{0x0, 0x80000000, 0x0, {0x0}}], 0x4, 0x0, &(0x7f0000000bc0)=[{}, {}, {}, {}]}) (async) r3 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000440)={r4, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r5}}) (async, rerun: 32) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, &(0x7f0000000d00)={{r1, r2, 0x2, [0x3, 0xffffffff]}, {0x80000000, r5, 0x2, [0x3, 0x6]}, 0x6, [0x3, 0x2]}) (async, rerun: 32) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) 23:24:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r3, 0x1}, 0x38}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r2) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x1, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xb4, r4, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7dd}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xddce}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}]}, 0xb4}}, 0x81) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) 23:24:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = getuid() mount$fuseblk(&(0x7f0000000140), &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0), 0x10000, &(0x7f0000000200)={{}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {}, 0x2c, {'group_id', 0x3d, 0xffffffffffffffff}, 0x2c, {[{@default_permissions}, {@allow_other}, {@max_read={'max_read', 0x3d, 0x1}}, {@max_read={'max_read', 0x3d, 0x3}}], [{@fsmagic={'fsmagic', 0x3d, 0x7fff}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@mask={'mask', 0x3d, 'MAY_WRITE'}}, {@fowner_eq={'fowner', 0x3d, 0xffffffffffffffff}}, {@fowner_gt={'fowner>', r3}}, {@audit}]}}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000004}, 0x10000010) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) getuid() (async) mount$fuseblk(&(0x7f0000000140), &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0), 0x10000, &(0x7f0000000200)={{}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {}, 0x2c, {'group_id', 0x3d, 0xffffffffffffffff}, 0x2c, {[{@default_permissions}, {@allow_other}, {@max_read={'max_read', 0x3d, 0x1}}, {@max_read={'max_read', 0x3d, 0x3}}], [{@fsmagic={'fsmagic', 0x3d, 0x7fff}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@mask={'mask', 0x3d, 'MAY_WRITE'}}, {@fowner_eq={'fowner', 0x3d, 0xffffffffffffffff}}, {@fowner_gt={'fowner>', r3}}, {@audit}]}}) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000004}, 0x10000010) (async) 23:24:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = socket(0x8, 0x2, 0x7) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r5, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^-'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x17}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000000}, 0x8080) sendmsg$RDMA_NLDEV_CMD_GET(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x20, 0x1401, 0x400, 0x70bd26, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x8010) 23:24:11 executing program 2: r0 = syz_open_dev$media(&(0x7f0000000000), 0x2, 0x400c00) (async, rerun: 32) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f00000007c0)={0x0, 0x3, 0x0, &(0x7f0000000040)=[{}, {}, {}], 0x9, 0x0, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0x7, 0x0, &(0x7f0000000580)=[{}, {}, {}, {}, {}, {}, {0x0, 0x80000000}], 0x4, 0x0, &(0x7f0000000700)=[{}, {}, {}, {}]}) (rerun: 32) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000c80)={0x0, 0x2, 0x0, &(0x7f0000000840)=[{}, {}], 0x6, 0x0, &(0x7f0000000900)=[{}, {}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000680)=[{0x0, 0x80000000, 0x0, {0x0}}], 0x4, 0x0, &(0x7f0000000bc0)=[{}, {}, {}, {}]}) r3 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r3, 0xc0287c02, &(0x7f0000000440)={r4, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r3, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r5}}) (async) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, &(0x7f0000000d00)={{r1, r2, 0x2, [0x3, 0xffffffff]}, {0x80000000, r5, 0x2, [0x3, 0x6]}, 0x6, [0x3, 0x2]}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) 23:24:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = getuid() mount$fuseblk(&(0x7f0000000140), &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0), 0x10000, &(0x7f0000000200)={{}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {}, 0x2c, {'group_id', 0x3d, 0xffffffffffffffff}, 0x2c, {[{@default_permissions}, {@allow_other}, {@max_read={'max_read', 0x3d, 0x1}}, {@max_read={'max_read', 0x3d, 0x3}}], [{@fsmagic={'fsmagic', 0x3d, 0x7fff}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@mask={'mask', 0x3d, 'MAY_WRITE'}}, {@fowner_eq={'fowner', 0x3d, 0xffffffffffffffff}}, {@fowner_gt={'fowner>', r3}}, {@audit}]}}) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000004}, 0x10000010) 23:24:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = socket(0x8, 0x2, 0x7) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r5, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^-'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x17}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000000}, 0x8080) (async) sendmsg$RDMA_NLDEV_CMD_GET(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x20, 0x1401, 0x400, 0x70bd26, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x8010) 23:24:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r3, 0x1}, 0x38}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r2) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async, rerun: 32) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async, rerun: 32) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x1, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xb4, r4, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7dd}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xddce}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}]}, 0xb4}}, 0x81) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) 23:24:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x4c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa984}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x4c}}, 0x0) [ 2262.644448] nbd: must specify at least one socket [ 2262.725469] nbd: must specify at least one socket 23:24:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) setsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040)=0x7ff, 0x4) geteuid() read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:11 executing program 1: 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x4c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa984}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x4c}}, 0x0) 23:24:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x40880}, 0x80c1) r2 = socket(0x23, 0x5, 0x0) accept$netrom(r2, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) 23:24:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) 23:24:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r3, 0x1}, 0x38}}, 0x0) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r2) (async, rerun: 64) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async, rerun: 64) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 64) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async, rerun: 64) r10 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x1, 0x0) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xb4, r4, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7dd}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xddce}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}]}, 0xb4}}, 0x81) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) 23:24:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x3, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc000}, 0x4000000) 23:24:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x40880}, 0x80c1) r2 = socket(0x23, 0x5, 0x0) accept$netrom(r2, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) 23:24:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) 23:24:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (async) [ 2263.593037] nbd: must specify at least one socket [ 2263.610641] nbd: must specify at least one socket 23:24:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x40880}, 0x80c1) r2 = socket(0x23, 0x5, 0x0) accept$netrom(r2, 0x0, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) [ 2263.641806] nbd: must specify at least one socket [ 2263.668312] nbd: must specify at least one socket [ 2263.694774] nbd: must specify at least one socket [ 2263.710430] nbd: must specify at least one socket [ 2263.717018] nbd: must specify at least one socket [ 2263.721970] nbd: must specify at least one socket [ 2263.729443] nbd: must specify at least one socket [ 2263.735261] nbd: must specify at least one socket [ 2263.740417] nbd: must specify at least one socket [ 2263.745333] nbd: must specify at least one socket [ 2263.752341] nbd: must specify at least one socket [ 2263.757998] nbd: must specify at least one socket [ 2263.763870] nbd: must specify at least one socket [ 2263.769794] nbd: must specify at least one socket [ 2263.775936] nbd: must specify at least one socket [ 2263.780952] nbd: must specify at least one socket [ 2263.785989] nbd: must specify at least one socket [ 2263.790994] nbd: must specify at least one socket [ 2263.795919] nbd: must specify at least one socket [ 2263.803370] nbd: must specify at least one socket [ 2263.809008] nbd: must specify at least one socket [ 2263.813924] nbd: must specify at least one socket [ 2263.818924] nbd: must specify at least one socket [ 2263.823836] nbd: must specify at least one socket [ 2263.828868] nbd: must specify at least one socket [ 2263.833782] nbd: must specify at least one socket [ 2263.838834] nbd: must specify at least one socket [ 2263.843872] nbd: must specify at least one socket [ 2263.849079] nbd: must specify at least one socket [ 2263.854103] nbd: must specify at least one socket [ 2263.859093] nbd: must specify at least one socket [ 2263.864031] nbd: must specify at least one socket [ 2263.869102] nbd: must specify at least one socket [ 2263.874007] nbd: must specify at least one socket [ 2263.879768] nbd: must specify at least one socket [ 2263.885461] nbd: must specify at least one socket [ 2263.891468] nbd: must specify at least one socket [ 2263.896572] nbd: must specify at least one socket [ 2263.901525] nbd: must specify at least one socket [ 2263.906683] nbd: must specify at least one socket [ 2263.911603] nbd: must specify at least one socket [ 2263.916770] nbd: must specify at least one socket [ 2263.921762] nbd: must specify at least one socket [ 2263.927302] nbd: must specify at least one socket [ 2263.932210] nbd: must specify at least one socket [ 2263.937366] nbd: must specify at least one socket [ 2263.942388] nbd: must specify at least one socket [ 2263.947454] nbd: must specify at least one socket [ 2263.953016] nbd: must specify at least one socket [ 2263.958013] nbd: must specify at least one socket [ 2263.963008] nbd: must specify at least one socket [ 2263.968179] nla_parse: 129 callbacks suppressed [ 2263.968183] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2263.981925] nbd: must specify at least one socket [ 2263.987231] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2263.996771] nbd: must specify at least one socket [ 2264.001963] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.010611] nbd: must specify at least one socket [ 2264.015748] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.024929] nbd: must specify at least one socket [ 2264.030344] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.039053] nbd: must specify at least one socket [ 2264.044164] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.053352] nbd: must specify at least one socket [ 2264.058504] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.070276] nbd: must specify at least one socket [ 2264.075289] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.085066] nbd: must specify at least one socket [ 2264.090582] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.099937] nbd: must specify at least one socket [ 2264.105039] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2264.114255] nbd: must specify at least one socket [ 2264.119427] nbd: must specify at least one socket [ 2264.124599] nbd: must specify at least one socket 23:24:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000000)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '--<\\'}]}, 0x40}}, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040), 0x8400, 0x0) ioctl$DRM_IOCTL_AGP_ACQUIRE(r2, 0x6430) 23:24:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x3, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc000}, 0x4000000) 23:24:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) 23:24:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) setsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040)=0x7ff, 0x4) read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x1c, 0x0, 0x20, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c004}, 0x49801) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) 23:24:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x1c, 0x0, 0x20, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c004}, 0x49801) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) 23:24:12 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x3, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc000}, 0x4000000) 23:24:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (async) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) (async) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000000)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '--<\\'}]}, 0x40}}, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040), 0x8400, 0x0) ioctl$DRM_IOCTL_AGP_ACQUIRE(r2, 0x6430) [ 2264.521669] nbd: must specify at least one socket 23:24:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4011) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r3) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r4, 0x103, 0x8, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000000)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '--<\\'}]}, 0x40}}, 0x0) (async, rerun: 64) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040), 0x8400, 0x0) (rerun: 64) ioctl$DRM_IOCTL_AGP_ACQUIRE(r2, 0x6430) 23:24:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) (async) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) (async) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) [ 2264.599350] nbd: must specify at least one socket [ 2264.674697] nbd: must specify at least one socket [ 2264.682709] nbd: must specify at least one socket [ 2264.690648] nbd: must specify at least one socket [ 2264.695596] nbd: must specify at least one socket [ 2264.695665] nbd: must specify at least one socket [ 2264.695732] nbd: must specify at least one socket [ 2264.695802] nbd: must specify at least one socket [ 2264.695870] nbd: must specify at least one socket [ 2264.695941] nbd: must specify at least one socket [ 2264.696014] nbd: must specify at least one socket [ 2264.696093] nbd: must specify at least one socket [ 2264.701639] nbd: must specify at least one socket [ 2264.743473] nbd: must specify at least one socket [ 2264.748610] nbd: must specify at least one socket [ 2264.753609] nbd: must specify at least one socket [ 2264.758769] nbd: must specify at least one socket [ 2264.763675] nbd: must specify at least one socket [ 2264.769343] nbd: must specify at least one socket [ 2264.774339] nbd: must specify at least one socket [ 2264.779445] nbd: must specify at least one socket [ 2264.784349] nbd: must specify at least one socket [ 2264.789530] nbd: must specify at least one socket [ 2264.794434] nbd: must specify at least one socket [ 2264.799528] nbd: must specify at least one socket [ 2264.804441] nbd: must specify at least one socket [ 2264.809440] nbd: must specify at least one socket [ 2264.814435] nbd: must specify at least one socket [ 2264.819475] nbd: must specify at least one socket [ 2264.824385] nbd: must specify at least one socket [ 2264.829361] nbd: must specify at least one socket [ 2264.834918] nbd: must specify at least one socket [ 2264.840289] nbd: must specify at least one socket [ 2264.845196] nbd: must specify at least one socket [ 2264.850171] nbd: must specify at least one socket [ 2264.855152] nbd: must specify at least one socket [ 2264.860601] nbd: must specify at least one socket [ 2264.865611] nbd: must specify at least one socket [ 2264.871391] nbd: must specify at least one socket [ 2264.876424] nbd: must specify at least one socket [ 2264.881449] nbd: must specify at least one socket [ 2264.886523] nbd: must specify at least one socket [ 2264.891421] nbd: must specify at least one socket [ 2264.896941] nbd: must specify at least one socket [ 2264.901865] nbd: must specify at least one socket [ 2264.906840] nbd: must specify at least one socket [ 2264.911784] nbd: must specify at least one socket [ 2264.916836] nbd: must specify at least one socket [ 2264.921847] nbd: must specify at least one socket [ 2264.926821] nbd: must specify at least one socket [ 2264.931902] nbd: must specify at least one socket [ 2264.936928] nbd: must specify at least one socket [ 2264.941817] nbd: must specify at least one socket [ 2264.946933] nbd: must specify at least one socket [ 2264.951825] nbd: must specify at least one socket [ 2264.956805] nbd: must specify at least one socket [ 2264.961707] nbd: must specify at least one socket [ 2264.966756] nbd: must specify at least one socket [ 2264.972351] nbd: must specify at least one socket [ 2264.977551] nbd: must specify at least one socket [ 2264.982448] nbd: must specify at least one socket [ 2264.988036] nbd: must specify at least one socket [ 2264.992944] nbd: must specify at least one socket [ 2264.997966] nbd: must specify at least one socket [ 2265.002865] nbd: must specify at least one socket [ 2265.007853] nbd: must specify at least one socket 23:24:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x1c, 0x0, 0x20, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c004}, 0x49801) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) 23:24:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4011) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r3) (rerun: 64) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r4, 0x103, 0x8, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x18, 0x6, 0x5, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, r1, 0x600, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r2}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xd8}, 0x1, 0x0, 0x0, 0x24000004}, 0x400c0004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="78df9ceeaa9e99dc566ae8e31174ce62ef02d83fbd0c6ee3095b1794d5ae75287d271b254c3a3feb04beffda89f40493"], 0x38}}, 0x0) 23:24:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="3c004f0aba6b5971259b920fdbb6a14f64f21737ae2f04d3f6973559b89e0df59401513b596a554e04ca53bfd458297b489fe920b2b8eccf6bc1d26b84ad81e978abe17bd5", @ANYRES16=r1, @ANYBLOB="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"], 0x3c}}, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r2, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x38, 0x1403, 0x100, 0x70bd25, 0x25dfdbff, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'vlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x4008041) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xedf7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008001}, 0x84) 23:24:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) connect$netrom(0xffffffffffffffff, &(0x7f0000000040)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}}, [@default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @null, @default, @bcast]}, 0x48) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}]}, 0x38}}, 0x0) 23:24:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) socketpair(0x18, 0x6, 0x5, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async, rerun: 64) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 64) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, r1, 0x600, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r2}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xd8}, 0x1, 0x0, 0x0, 0x24000004}, 0x400c0004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="78df9ceeaa9e99dc566ae8e31174ce62ef02d83fbd0c6ee3095b1794d5ae75287d271b254c3a3feb04beffda89f40493"], 0x38}}, 0x0) 23:24:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x800, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x206}]}, 0x20}, 0x1, 0x0, 0x0, 0x4800}, 0x4000080) 23:24:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="3c004f0aba6b5971259b920fdbb6a14f64f21737ae2f04d3f6973559b89e0df59401513b596a554e04ca53bfd458297b489fe920b2b8eccf6bc1d26b84ad81e978abe17bd5", @ANYRES16=r1, @ANYBLOB="010000000000020000c22e0fec72b8095c0000000001000000000c00020000004000140000000c0004000000000000000000040007807b44943b70221b2c16376a7012988edadc8407d9eac6198ec7b18a4c5bc25efa5eb356f829b636844bb443a8f2f8726eecf42a1a5aa62a40288f6e25314dc029d4e9b0965df7cbe25b9e9dd31a2eca7e89271ea0df7397cd5afd4e9360a294eac5d43ebb81718b59a0090cd7d1264d8b091efaab3222a964d888d7cc4c258dfaec699c149d49665bb4f3b58bbc7eb32a2186dafa3f92dc6950f2fb566f77f7dca3cdf4a0143c4f0191f67ef00527e9f14a67ed0fd89526b1a393bb50b7156da362cccdda3ae341fbfd853edf616bd58e363adf58b5421e72e18aa9443bb1eee2ec4ebaf0964470b069953dbb308f2091fcdcfaea79649da42d2e040396a3f561fd625c6fcebf73f17925e9d2cd10b1980a0bc6a3b8e9d51f19caf3c90335969d5cb596e2bfd89e8c2d14e79119d670"], 0x3c}}, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r2, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x38, 0x1403, 0x100, 0x70bd25, 0x25dfdbff, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'vlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x4008041) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000002000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xedf7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008001}, 0x84) 23:24:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) socketpair(0x18, 0x6, 0x5, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, r1, 0x600, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r2}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xd8}, 0x1, 0x0, 0x0, 0x24000004}, 0x400c0004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="78df9ceeaa9e99dc566ae8e31174ce62ef02d83fbd0c6ee3095b1794d5ae75287d271b254c3a3feb04beffda89f40493"], 0x38}}, 0x0) 23:24:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="3c004f0aba6b5971259b920fdbb6a14f64f21737ae2f04d3f6973559b89e0df59401513b596a554e04ca53bfd458297b489fe920b2b8eccf6bc1d26b84ad81e978abe17bd5", @ANYRES16=r1, @ANYBLOB="010000000000020000c22e0fec72b8095c0000000001000000000c00020000004000140000000c0004000000000000000000040007807b44943b70221b2c16376a7012988edadc8407d9eac6198ec7b18a4c5bc25efa5eb356f829b636844bb443a8f2f8726eecf42a1a5aa62a40288f6e25314dc029d4e9b0965df7cbe25b9e9dd31a2eca7e89271ea0df7397cd5afd4e9360a294eac5d43ebb81718b59a0090cd7d1264d8b091efaab3222a964d888d7cc4c258dfaec699c149d49665bb4f3b58bbc7eb32a2186dafa3f92dc6950f2fb566f77f7dca3cdf4a0143c4f0191f67ef00527e9f14a67ed0fd89526b1a393bb50b7156da362cccdda3ae341fbfd853edf616bd58e363adf58b5421e72e18aa9443bb1eee2ec4ebaf0964470b069953dbb308f2091fcdcfaea79649da42d2e040396a3f561fd625c6fcebf73f17925e9d2cd10b1980a0bc6a3b8e9d51f19caf3c90335969d5cb596e2bfd89e8c2d14e79119d670"], 0x3c}}, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r2, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x38, 0x1403, 0x100, 0x70bd25, 0x25dfdbff, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'vlan0\x00'}}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x4008041) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xedf7}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008001}, 0x84) [ 2265.520697] nbd: must specify at least one socket 23:24:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x800, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x206}]}, 0x20}, 0x1, 0x0, 0x0, 0x4800}, 0x4000080) 23:24:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) connect$netrom(0xffffffffffffffff, &(0x7f0000000040)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}}, [@default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @null, @default, @bcast]}, 0x48) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}]}, 0x38}}, 0x0) 23:24:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4011) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r3) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r4, 0x103, 0x8, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x88002, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0xfffffedd, &(0x7f00000003c0)={&(0x7f0000000080)={0x44, r1, 0x1, 0x0, 0x40000000, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_SOCKETS={0x4}]}, 0x44}}, 0x90) 23:24:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x88002, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0xfffffedd, &(0x7f00000003c0)={&(0x7f0000000080)={0x44, r1, 0x1, 0x0, 0x40000000, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_SOCKETS={0x4}]}, 0x44}}, 0x90) 23:24:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async, rerun: 32) connect$netrom(0xffffffffffffffff, &(0x7f0000000040)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}}, [@default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @null, @default, @bcast]}, 0x48) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}]}, 0x38}}, 0x0) 23:24:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) socketpair(0x2a, 0x2, 0x4, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = socket(0x2a, 0x4, 0x1) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, r2, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '^$^(*^#/M^@)'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x55}, 0x8000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4040}, 0x20000000) [ 2266.312319] nbd: must specify at least one socket 23:24:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) (rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x800, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x206}]}, 0x20}, 0x1, 0x0, 0x0, 0x4800}, 0x4000080) 23:24:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x88002, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0xfffffedd, &(0x7f00000003c0)={&(0x7f0000000080)={0x44, r1, 0x1, 0x0, 0x40000000, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_SOCKETS={0x4}]}, 0x44}}, 0x90) [ 2266.425794] nbd: must specify at least one socket 23:24:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20000001}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) socketpair(0x2a, 0x2, 0x4, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r4 = socket(0x2a, 0x4, 0x1) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, r2, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '^$^(*^#/M^@)'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x55}, 0x8000) (rerun: 64) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4040}, 0x20000000) (rerun: 64) 23:24:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0xb2000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xf06b00}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x9c, r1, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x9c}}, 0x4000800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100cca0000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) io_setup(0x8, &(0x7f0000000000)) 23:24:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x43) socketpair(0x21, 0x800, 0x5, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = socket(0xf, 0x8a6a964d7ab66c5, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000340)={&(0x7f00000005c0)={0xe0, 0x0, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r4}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0xe0}, 0x1, 0x0, 0x0, 0x20004080}, 0x90) r13 = socket(0x2, 0x2, 0x200) r14 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r14, 0x0, 0x0) r15 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r15, 0x0, 0x0) r16 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r16, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0xdc, r2, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4}, 0x40010844) 23:24:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048041}, 0x40840) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '-/^&::!Z'}]}, 0x20}, 0x1, 0x0, 0x0, 0xb046a90d9b5130cf}, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="38000019", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r6, @ANYBLOB, @ANYRESOCT=r7], 0x38}}, 0x0) 23:24:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20000001}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x43) (async) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x43) socketpair(0x21, 0x800, 0x5, &(0x7f0000000040)) (async) socketpair(0x21, 0x800, 0x5, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = socket(0xf, 0x8a6a964d7ab66c5, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000340)={&(0x7f00000005c0)={0xe0, 0x0, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r4}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0xe0}, 0x1, 0x0, 0x0, 0x20004080}, 0x90) socket(0x2, 0x2, 0x200) (async) r13 = socket(0x2, 0x2, 0x200) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r14 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r14, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r14, 0x0, 0x0) r15 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r15, 0x0, 0x0) r16 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r16, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0xdc, r2, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4}, 0x40010844) 23:24:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0xb2000, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xf06b00}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x9c, r1, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x9c}}, 0x4000800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100cca0000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (async) io_setup(0x8, &(0x7f0000000000)) 23:24:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x43) (async) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x43) socketpair(0x21, 0x800, 0x5, &(0x7f0000000040)) (async) socketpair(0x21, 0x800, 0x5, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socket(0xf, 0x8a6a964d7ab66c5, 0x4) (async) r6 = socket(0xf, 0x8a6a964d7ab66c5, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000340)={&(0x7f00000005c0)={0xe0, 0x0, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r4}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0xe0}, 0x1, 0x0, 0x0, 0x20004080}, 0x90) socket(0x2, 0x2, 0x200) (async) r13 = socket(0x2, 0x2, 0x200) r14 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r14, 0x0, 0x0) r15 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r15, 0x0, 0x0) r16 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r16, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0xdc, r2, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4}, 0x40010844) 23:24:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) socketpair(0x2a, 0x2, 0x4, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = socket(0x2a, 0x4, 0x1) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, r2, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '^$^(*^#/M^@)'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x55}, 0x8000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4040}, 0x20000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) socketpair(0x2a, 0x2, 0x4, &(0x7f0000000200)) (async) socket(0x2a, 0x4, 0x1) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, r2, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '^$^(*^#/M^@)'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x55}, 0x8000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4040}, 0x20000000) (async) 23:24:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20000001}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048041}, 0x40840) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '-/^&::!Z'}]}, 0x20}, 0x1, 0x0, 0x0, 0xb046a90d9b5130cf}, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="38000019", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r6, @ANYBLOB, @ANYRESOCT=r7], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048041}, 0x40840) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '-/^&::!Z'}]}, 0x20}, 0x1, 0x0, 0x0, 0xb046a90d9b5130cf}, 0x4) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="38000019", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r6, @ANYBLOB, @ANYRESOCT=r7], 0x38}}, 0x0) (async) 23:24:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000040)={0x5, &(0x7f0000000000)=[{}, {}, {}, {}, {}]}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) 23:24:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0xb2000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xf06b00}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x9c, r1, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x9c}}, 0x4000800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100cca0000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) io_setup(0x8, &(0x7f0000000000)) 23:24:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x300000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x74, 0x0, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xeca3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xec6}]}, 0x74}, 0x1, 0x0, 0x0, 0x48004}, 0x400c1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20001040}, 0x20008000) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, &(0x7f0000000580)={0x3, 0x40, 0xfa00, {{0xa, 0x4e22, 0x3f, @private2={0xfc, 0x2, '\x00', 0x1}, 0x7ff}, {0xa, 0x4e21, 0x7fff, @private0={0xfc, 0x0, '\x00', 0x1}, 0xff}, 0xffffffffffffffff, 0x5}}, 0x48) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000500)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="020028bd7000fbdbdf25050000000c00050006010000000000000c000200a70a0000000000008361cad3d5c7771bc1c895db05388fc64739e9d71eea49663df76e29136269407c2956cef1dac64601cddbfb361392b885ff3dade8375832ff5701ce35fa7640fd1d3294032eb53f9f7488755a604e64"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) 23:24:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000040)={0x5, &(0x7f0000000000)=[{}, {}, {}, {}, {}]}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) (async) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000040)={0x5, &(0x7f0000000000)=[{}, {}, {}, {}, {}]}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) (async) 23:24:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048041}, 0x40840) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '-/^&::!Z'}]}, 0x20}, 0x1, 0x0, 0x0, 0xb046a90d9b5130cf}, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="38000019", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r6, @ANYBLOB, @ANYRESOCT=r7], 0x38}}, 0x0) 23:24:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x300000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x74, 0x0, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xeca3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xec6}]}, 0x74}, 0x1, 0x0, 0x0, 0x48004}, 0x400c1) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20001040}, 0x20008000) (async) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, &(0x7f0000000580)={0x3, 0x40, 0xfa00, {{0xa, 0x4e22, 0x3f, @private2={0xfc, 0x2, '\x00', 0x1}, 0x7ff}, {0xa, 0x4e21, 0x7fff, @private0={0xfc, 0x0, '\x00', 0x1}, 0xff}, 0xffffffffffffffff, 0x5}}, 0x48) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000500)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="020028bd7000fbdbdf25050000000c00050006010000000000000c000200a70a0000000000008361cad3d5c7771bc1c895db05388fc64739e9d71eea49663df76e29136269407c2956cef1dac64601cddbfb361392b885ff3dade8375832ff5701ce35fa7640fd1d3294032eb53f9f7488755a604e64"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) socket$nl_netfilter(0x10, 0x3, 0xc) 23:24:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) socketpair(0x5, 0xa, 0x101, &(0x7f0000000180)={0xffffffffffffffff}) r8 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x28400, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x58, r5, 0x300, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x4c0c0}, 0x0) r9 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r9, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r9, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r10}, 0x60) read$FUSE(0xffffffffffffffff, &(0x7f0000000700)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) r12 = getuid() getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f0000000100)=0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000002740)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000004780)={0x3c8, 0x0, r10, [{{0x7, 0x2, 0x8, 0x8, 0x54e, 0x400, {0x1, 0x93, 0x10001, 0x1ff, 0x5, 0xdc, 0x7, 0x6ddc, 0x4, 0x6000, 0x20, 0xee01, 0xee01, 0x9, 0x9}}, {0x5, 0x6, 0x0, 0x8}}, {{0x1, 0x2, 0x7, 0x400, 0x7, 0x5, {0x4, 0x0, 0x20, 0x8000, 0x10000, 0x7, 0x2, 0x2fa, 0x9, 0x4000, 0x6, 0x0, 0xee01, 0x9}}, {0x4, 0xff, 0x4, 0x69, 'nbd\x00'}}, {{0x5, 0x1, 0x9, 0x5, 0x4, 0x7fff, {0x5, 0x9, 0x7, 0x96, 0x4, 0x100000001, 0xf3dc, 0x6, 0x8016, 0x4000, 0x4, 0xee01, r11, 0x8, 0xffff}}, {0x5, 0xffffffffffffffff, 0x4, 0xffff, 'nbd\x00'}}, {{0x5, 0x2, 0xfffffffffffffff8, 0x3, 0x7, 0xff, {0x5, 0x1, 0x7, 0x8, 0x80, 0x3, 0x6, 0x80, 0x1c0000, 0x4000, 0x2, r12, 0xee01, 0x9, 0x9}}, {0x3, 0x7, 0x4, 0xb, 'nbd\x00'}}, {{0x4, 0x0, 0x5, 0x4c4, 0x6, 0xfff, {0x2, 0xba6, 0x880f, 0x7f, 0x4, 0x4, 0x1, 0x20, 0x3f, 0x1000, 0x3, 0x0, r13, 0x6, 0x1000}}, {0x3, 0xffff, 0x4, 0x7, 'nbd\x00'}}, {{0x6, 0x0, 0x2, 0x0, 0x8, 0x8, {0x1, 0x1, 0xca, 0x7, 0xff, 0x6, 0x10000, 0x8, 0x3, 0x6000, 0xffffff3c, 0xee00, r14, 0x4, 0x6}}, {0x4, 0x400, 0x4, 0xfff, 'nbd\x00'}}]}, 0x3c8) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r7, 0x800442d2, &(0x7f0000000340)={0x1, &(0x7f0000000300)=[{}]}) 23:24:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000200}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, 0x0, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x840}, 0x4000004) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000380), 0x20040, 0x0) socketpair(0x3, 0x800, 0x8001, &(0x7f0000000440)={0xffffffffffffffff}) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000005c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f0000000480)={0xbc, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4040}, 0x80) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r2, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000040)={0x5, &(0x7f0000000000)=[{}, {}, {}, {}, {}]}) (async) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000040)={0x5, &(0x7f0000000000)=[{}, {}, {}, {}, {}]}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) 23:24:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read$FUSE(r0, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x300000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x74, 0x0, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xeca3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xec6}]}, 0x74}, 0x1, 0x0, 0x0, 0x48004}, 0x400c1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x300000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x74, 0x0, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xeca3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xec6}]}, 0x74}, 0x1, 0x0, 0x0, 0x48004}, 0x400c1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20001040}, 0x20008000) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, &(0x7f0000000580)={0x3, 0x40, 0xfa00, {{0xa, 0x4e22, 0x3f, @private2={0xfc, 0x2, '\x00', 0x1}, 0x7ff}, {0xa, 0x4e21, 0x7fff, @private0={0xfc, 0x0, '\x00', 0x1}, 0xff}, 0xffffffffffffffff, 0x5}}, 0x48) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000500)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="020028bd7000fbdbdf25050000000c00050006010000000000000c000200a70a0000000000008361cad3d5c7771bc1c895db05388fc64739e9d71eea49663df76e29136269407c2956cef1dac64601cddbfb361392b885ff3dade8375832ff5701ce35fa7640fd1d3294032eb53f9f7488755a604e64"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) (async) socket$nl_netfilter(0x10, 0x3, 0xc) 23:24:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x801}, 0x84) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 23:24:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000200}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, 0x0, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x840}, 0x4000004) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (rerun: 32) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000380), 0x20040, 0x0) (async, rerun: 32) socketpair(0x3, 0x800, 0x8001, &(0x7f0000000440)={0xffffffffffffffff}) (rerun: 32) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000005c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f0000000480)={0xbc, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4040}, 0x80) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r2, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) socketpair(0x5, 0xa, 0x101, &(0x7f0000000180)={0xffffffffffffffff}) r8 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x28400, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x58, r5, 0x300, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x4c0c0}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x58, r5, 0x300, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x4c0c0}, 0x0) r9 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r9, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r9, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r10}, 0x60) read$FUSE(0xffffffffffffffff, &(0x7f0000000700)={0x2020}, 0x2020) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000700)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) getuid() (async) r12 = getuid() getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f0000000100)=0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000002740)={0x2020}, 0x2020) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000002740)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000004780)={0x3c8, 0x0, r10, [{{0x7, 0x2, 0x8, 0x8, 0x54e, 0x400, {0x1, 0x93, 0x10001, 0x1ff, 0x5, 0xdc, 0x7, 0x6ddc, 0x4, 0x6000, 0x20, 0xee01, 0xee01, 0x9, 0x9}}, {0x5, 0x6, 0x0, 0x8}}, {{0x1, 0x2, 0x7, 0x400, 0x7, 0x5, {0x4, 0x0, 0x20, 0x8000, 0x10000, 0x7, 0x2, 0x2fa, 0x9, 0x4000, 0x6, 0x0, 0xee01, 0x9}}, {0x4, 0xff, 0x4, 0x69, 'nbd\x00'}}, {{0x5, 0x1, 0x9, 0x5, 0x4, 0x7fff, {0x5, 0x9, 0x7, 0x96, 0x4, 0x100000001, 0xf3dc, 0x6, 0x8016, 0x4000, 0x4, 0xee01, r11, 0x8, 0xffff}}, {0x5, 0xffffffffffffffff, 0x4, 0xffff, 'nbd\x00'}}, {{0x5, 0x2, 0xfffffffffffffff8, 0x3, 0x7, 0xff, {0x5, 0x1, 0x7, 0x8, 0x80, 0x3, 0x6, 0x80, 0x1c0000, 0x4000, 0x2, r12, 0xee01, 0x9, 0x9}}, {0x3, 0x7, 0x4, 0xb, 'nbd\x00'}}, {{0x4, 0x0, 0x5, 0x4c4, 0x6, 0xfff, {0x2, 0xba6, 0x880f, 0x7f, 0x4, 0x4, 0x1, 0x20, 0x3f, 0x1000, 0x3, 0x0, r13, 0x6, 0x1000}}, {0x3, 0xffff, 0x4, 0x7, 'nbd\x00'}}, {{0x6, 0x0, 0x2, 0x0, 0x8, 0x8, {0x1, 0x1, 0xca, 0x7, 0xff, 0x6, 0x10000, 0x8, 0x3, 0x6000, 0xffffff3c, 0xee00, r14, 0x4, 0x6}}, {0x4, 0x400, 0x4, 0xfff, 'nbd\x00'}}]}, 0x3c8) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r7, 0x800442d2, &(0x7f0000000340)={0x1, &(0x7f0000000300)=[{}]}) 23:24:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x801}, 0x84) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 23:24:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x34, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}}, 0x0) 23:24:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x801}, 0x84) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) socketpair(0x5, 0xa, 0x101, &(0x7f0000000180)={0xffffffffffffffff}) r8 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x28400, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x58, r5, 0x300, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x4c0c0}, 0x0) (async) r9 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r9, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r9, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r10}, 0x60) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000700)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) (async) r12 = getuid() (async) getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f0000000100)=0x0) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000002740)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000004780)={0x3c8, 0x0, r10, [{{0x7, 0x2, 0x8, 0x8, 0x54e, 0x400, {0x1, 0x93, 0x10001, 0x1ff, 0x5, 0xdc, 0x7, 0x6ddc, 0x4, 0x6000, 0x20, 0xee01, 0xee01, 0x9, 0x9}}, {0x5, 0x6, 0x0, 0x8}}, {{0x1, 0x2, 0x7, 0x400, 0x7, 0x5, {0x4, 0x0, 0x20, 0x8000, 0x10000, 0x7, 0x2, 0x2fa, 0x9, 0x4000, 0x6, 0x0, 0xee01, 0x9}}, {0x4, 0xff, 0x4, 0x69, 'nbd\x00'}}, {{0x5, 0x1, 0x9, 0x5, 0x4, 0x7fff, {0x5, 0x9, 0x7, 0x96, 0x4, 0x100000001, 0xf3dc, 0x6, 0x8016, 0x4000, 0x4, 0xee01, r11, 0x8, 0xffff}}, {0x5, 0xffffffffffffffff, 0x4, 0xffff, 'nbd\x00'}}, {{0x5, 0x2, 0xfffffffffffffff8, 0x3, 0x7, 0xff, {0x5, 0x1, 0x7, 0x8, 0x80, 0x3, 0x6, 0x80, 0x1c0000, 0x4000, 0x2, r12, 0xee01, 0x9, 0x9}}, {0x3, 0x7, 0x4, 0xb, 'nbd\x00'}}, {{0x4, 0x0, 0x5, 0x4c4, 0x6, 0xfff, {0x2, 0xba6, 0x880f, 0x7f, 0x4, 0x4, 0x1, 0x20, 0x3f, 0x1000, 0x3, 0x0, r13, 0x6, 0x1000}}, {0x3, 0xffff, 0x4, 0x7, 'nbd\x00'}}, {{0x6, 0x0, 0x2, 0x0, 0x8, 0x8, {0x1, 0x1, 0xca, 0x7, 0xff, 0x6, 0x10000, 0x8, 0x3, 0x6000, 0xffffff3c, 0xee00, r14, 0x4, 0x6}}, {0x4, 0x400, 0x4, 0xfff, 'nbd\x00'}}]}, 0x3c8) (async) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r7, 0x800442d2, &(0x7f0000000340)={0x1, &(0x7f0000000300)=[{}]}) 23:24:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000200}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, 0x0, 0x20, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x840}, 0x4000004) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000380), 0x20040, 0x0) (async) socketpair(0x3, 0x800, 0x8001, &(0x7f0000000440)={0xffffffffffffffff}) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000005c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f0000000480)={0xbc, r2, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4040}, 0x80) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r2, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:17 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read$FUSE(r0, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 23:24:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x67}]}, 0x38}}, 0x0) sendmsg$ETHTOOL_MSG_CHANNELS_SET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@ETHTOOL_A_CHANNELS_COMBINED_COUNT={0x8, 0x9, 0xfffffff9}]}, 0x1c}}, 0x80) 23:24:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x34, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}}, 0x0) 23:24:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3c00000058c39c067bcc394b6e6344997e2ab84b201ff378e80aaa2e0b6f92945c542db99f1f3441589daca00aedb37b99e5169b65b0cab48ca30e38", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000380), 0x101000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000540)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0x9c, r3, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x4080}, 0x84) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x38}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r10, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r9) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, r11, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10000000}, 0x880) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="faf9edf4", @ANYRES16=0x0, @ANYBLOB="200026bd7000ffdbdf25020000000c0005000400000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x100}, 0x4000800) 23:24:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, 0x0, 0x0, 0x0, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd51}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x8000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xbfe}]}, 0x50}, 0x1, 0x0, 0x0, 0x50}, 0x4000000) 23:24:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3c00000058c39c067bcc394b6e6344997e2ab84b201ff378e80aaa2e0b6f92945c542db99f1f3441589daca00aedb37b99e5169b65b0cab48ca30e38", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3c00000058c39c067bcc394b6e6344997e2ab84b201ff378e80aaa2e0b6f92945c542db99f1f3441589daca00aedb37b99e5169b65b0cab48ca30e38", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (async) 23:24:17 executing program 1: 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x34, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}}, 0x0) 23:24:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x67}]}, 0x38}}, 0x0) (async) sendmsg$ETHTOOL_MSG_CHANNELS_SET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@ETHTOOL_A_CHANNELS_COMBINED_COUNT={0x8, 0x9, 0xfffffff9}]}, 0x1c}}, 0x80) 23:24:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, 0x0, 0x0, 0x0, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd51}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x8000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xbfe}]}, 0x50}, 0x1, 0x0, 0x0, 0x50}, 0x4000000) [ 2269.326696] nla_parse: 20 callbacks suppressed [ 2269.326703] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2269.351468] nbd: must specify at least one socket [ 2269.364038] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 23:24:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000380), 0x101000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000540)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0x9c, r3, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x4080}, 0x84) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x38}}, 0x0) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r10, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r9) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, r11, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10000000}, 0x880) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="faf9edf4", @ANYRES16=0x0, @ANYBLOB="200026bd7000ffdbdf25020000000c0005000400000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x100}, 0x4000800) [ 2269.429971] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2269.441203] nbd: must specify at least one socket [ 2269.453419] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 23:24:18 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x44, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4804}, 0x4008004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r3, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3c00000058c39c067bcc394b6e6344997e2ab84b201ff378e80aaa2e0b6f92945c542db99f1f3441589daca00aedb37b99e5169b65b0cab48ca30e38", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3c00000058c39c067bcc394b6e6344997e2ab84b201ff378e80aaa2e0b6f92945c542db99f1f3441589daca00aedb37b99e5169b65b0cab48ca30e38", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (async) 23:24:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, 0x0, 0x0, 0x0, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r1, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd51}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x8000) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xbfe}]}, 0x50}, 0x1, 0x0, 0x0, 0x50}, 0x4000000) 23:24:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x67}]}, 0x38}}, 0x0) (async) sendmsg$ETHTOOL_MSG_CHANNELS_SET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@ETHTOOL_A_CHANNELS_COMBINED_COUNT={0x8, 0x9, 0xfffffff9}]}, 0x1c}}, 0x80) 23:24:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000380), 0x101000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000540)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0x9c, r3, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x4080}, 0x84) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x38}}, 0x0) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r10, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r11 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r9) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x2c, r11, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10000000}, 0x880) (async) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="faf9edf4", @ANYRES16=0x0, @ANYBLOB="200026bd7000ffdbdf25020000000c0005000400000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x100}, 0x4000800) 23:24:18 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$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x44, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4804}, 0x4008004) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r3, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:18 executing program 0: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x420703, 0x0) getpeername$netrom(r0, &(0x7f0000000100)={{0x3, @netrom}, [@rose, @bcast, @default, @null, @null, @remote, @bcast, @bcast]}, &(0x7f0000000080)=0x48) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:18 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:24:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)={0x38, 0x0, 0x0, 0x70bd26, 0x1, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="4a970000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) shmget(0x2, 0x3000, 0x80, &(0x7f0000ffc000/0x3000)=nil) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) socketpair(0x1d, 0x0, 0xd5d3, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x8c, r1, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5fe3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4008041}, 0x90) shmget$private(0x0, 0x4000, 0x1, &(0x7f0000ffc000/0x4000)=nil) 23:24:18 executing program 2: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r0, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, 0x1411, 0x800, 0x70bd2b, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0xc000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) [ 2270.208654] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2270.219598] nbd: must specify at least one socket [ 2270.229059] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 23:24:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x44, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4804}, 0x4008004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r3, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x44, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4804}, 0x4008004) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r3, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 23:24:18 executing program 0: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x420703, 0x0) getpeername$netrom(r0, &(0x7f0000000100)={{0x3, @netrom}, [@rose, @bcast, @default, @null, @null, @remote, @bcast, @bcast]}, &(0x7f0000000080)=0x48) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:24:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)={0x38, 0x0, 0x0, 0x70bd26, 0x1, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="4a970000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) (async) shmget(0x2, 0x3000, 0x80, &(0x7f0000ffc000/0x3000)=nil) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) socketpair(0x1d, 0x0, 0xd5d3, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x8c, r1, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5fe3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4008041}, 0x90) shmget$private(0x0, 0x4000, 0x1, &(0x7f0000ffc000/0x4000)=nil) 23:24:18 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) [ 2270.324816] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2270.352402] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 23:24:18 executing program 2: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r0, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, 0x1411, 0x800, 0x70bd2b, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0xc000) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="00000000ea2c07f06be40b6ce58c23c8ff99f8e19416ea577e10ce573648948486d93d94e66d6ceea63af2733b06ed5cce9f0687ac7fd79f4d583822d95a627b2f1fd31e57a213395534dedee1b40f29c82a060623c7226612078596352bb672537565ebaf853b9e098ddba45fd36ee9761cd10feac9f8be7bbb5b3b35d9e82f99e82075e21623b4dd37f3cb56c3a333933973cf34b3b001236bcfa7c9c390cb07a4384cc0eb2a13e0e0514e594c631503ddb482367d55216baa4a0af5fcdd9e9591e3df0c1eb5814da4827fe4", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x24000010) 23:24:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)={0x38, 0x0, 0x0, 0x70bd26, 0x1, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="4a970000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) (async, rerun: 64) shmget(0x2, 0x3000, 0x80, &(0x7f0000ffc000/0x3000)=nil) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) socketpair(0x1d, 0x0, 0xd5d3, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x8c, r1, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5fe3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4008041}, 0x90) (async) shmget$private(0x0, 0x4000, 0x1, &(0x7f0000ffc000/0x4000)=nil) 23:24:18 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:18 executing program 0: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x420703, 0x0) getpeername$netrom(r0, &(0x7f0000000100)={{0x3, @netrom}, [@rose, @bcast, @default, @null, @null, @remote, @bcast, @bcast]}, &(0x7f0000000080)=0x48) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:24:18 executing program 2: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r0, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, 0x1411, 0x800, 0x70bd2b, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x5}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0xc000) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="00000000ea2c07f06be40b6ce58c23c8ff99f8e19416ea577e10ce573648948486d93d94e66d6ceea63af2733b06ed5cce9f0687ac7fd79f4d583822d95a627b2f1fd31e57a213395534dedee1b40f29c82a060623c7226612078596352bb672537565ebaf853b9e098ddba45fd36ee9761cd10feac9f8be7bbb5b3b35d9e82f99e82075e21623b4dd37f3cb56c3a333933973cf34b3b001236bcfa7c9c390cb07a4384cc0eb2a13e0e0514e594c631503ddb482367d55216baa4a0af5fcdd9e9591e3df0c1eb5814da4827fe4", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x24000010) 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$nbd(&(0x7f00000006c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="00000000ea2c07f06be40b6ce58c23c8ff99f8e19416ea577e10ce573648948486d93d94e66d6ceea63af2733b06ed5cce9f0687ac7fd79f4d583822d95a627b2f1fd31e57a213395534dedee1b40f29c82a060623c7226612078596352bb672537565ebaf853b9e098ddba45fd36ee9761cd10feac9f8be7bbb5b3b35d9e82f99e82075e21623b4dd37f3cb56c3a333933973cf34b3b001236bcfa7c9c390cb07a4384cc0eb2a13e0e0514e594c631503ddb482367d55216baa4a0af5fcdd9e9591e3df0c1eb5814da4827fe4", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x24000010) (async) [ 2270.460896] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2270.483818] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x38, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x38}}, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x38}}, 0x0) 23:24:19 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="00000000ea2c07f06be40b6ce58c23c8ff99f8e19416ea577e10ce573648948486d93d94e66d6ceea63af2733b06ed5cce9f0687ac7fd79f4d583822d95a627b2f1fd31e57a213395534dedee1b40f29c82a060623c7226612078596352bb672537565ebaf853b9e098ddba45fd36ee9761cd10feac9f8be7bbb5b3b35d9e82f99e82075e21623b4dd37f3cb56c3a333933973cf34b3b001236bcfa7c9c390cb07a4384cc0eb2a13e0e0514e594c631503ddb482367d55216baa4a0af5fcdd9e9591e3df0c1eb5814da4827fe4", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x24000010) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="43da8002e77dc0a048bef5fe00649bd68807907316728db12e4583064acea77675b1543fd93d649dec6b2b458974b0335a456f1ff02e47ed8daaa521b0a1058c0299dff26be6dfd31625a896f9fd0725f64a4346eb8a31df90dfdcc5f27fa53e575f72cca225cef3eb9e567241c4fa4436be30357bf5a1c89200a43dc231b7c969a561589fd918a8517071ff0bbd309b2c05", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3ce20000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x109002, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) socketpair(0x18, 0x5, 0x3, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r9, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, 0x140e, 0x200, 0x70bd25, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB="a8000000", @ANYRES16=r1, @ANYBLOB="00022dbd7000fbdbdf25010000000c00080000000000000000c00c00080000000000000000000c00060002000000000000000c00080003000000000000000c00040008000000000000004c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08090100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="0c0003000000000000000000"], 0xa8}, 0x1, 0x0, 0x0, 0x20000000}, 0x4080) 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) (async) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x38, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x38}}, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x38}}, 0x0) 23:24:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x400042, 0x0) 23:24:19 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) read$FUSE(0xffffffffffffffff, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="43da8002e77dc0a048bef5fe00649bd68807907316728db12e4583064acea77675b1543fd93d649dec6b2b458974b0335a456f1ff02e47ed8daaa521b0a1058c0299dff26be6dfd31625a896f9fd0725f64a4346eb8a31df90dfdcc5f27fa53e575f72cca225cef3eb9e567241c4fa4436be30357bf5a1c89200a43dc231b7c969a561589fd918a8517071ff0bbd309b2c05", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async, rerun: 32) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x38, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x38}}, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x38}}, 0x0) 23:24:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) bind$netrom(r3, &(0x7f0000000080)={{0x3, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x6}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}, 0x48) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async, rerun: 64) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x400042, 0x0) (rerun: 64) 23:24:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3ce20000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x109002, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x109002, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) socketpair(0x18, 0x5, 0x3, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r9, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, 0x140e, 0x200, 0x70bd25, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x1) (async) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r9, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, 0x140e, 0x200, 0x70bd25, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB="a8000000", @ANYRES16=r1, @ANYBLOB="00022dbd7000fbdbdf25010000000c00080000000000000000c00c00080000000000000000000c00060002000000000000000c00080003000000000000000c00040008000000000000004c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08090100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="0c0003000000000000000000"], 0xa8}, 0x1, 0x0, 0x0, 0x20000000}, 0x4080) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="43da8002e77dc0a048bef5fe00649bd68807907316728db12e4583064acea77675b1543fd93d649dec6b2b458974b0335a456f1ff02e47ed8daaa521b0a1058c0299dff26be6dfd31625a896f9fd0725f64a4346eb8a31df90dfdcc5f27fa53e575f72cca225cef3eb9e567241c4fa4436be30357bf5a1c89200a43dc231b7c969a561589fd918a8517071ff0bbd309b2c05", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="43da8002e77dc0a048bef5fe00649bd68807907316728db12e4583064acea77675b1543fd93d649dec6b2b458974b0335a456f1ff02e47ed8daaa521b0a1058c0299dff26be6dfd31625a896f9fd0725f64a4346eb8a31df90dfdcc5f27fa53e575f72cca225cef3eb9e567241c4fa4436be30357bf5a1c89200a43dc231b7c969a561589fd918a8517071ff0bbd309b2c05", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:19 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read$FUSE(r0, 0x0, 0x0) 23:24:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) bind$netrom(r3, &(0x7f0000000080)={{0x3, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x6}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}, 0x48) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000280)={0x14, 0x0, 0x0, 0x1, 0xffffffff}, 0x14}, 0x1, 0x0, 0x0, 0x4090}, 0x4004) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_STAT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x88}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x1412, 0x1, 0x70bd2a, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3800007f4969c73c91bd6a975ad6a1bdc598d1b7be58db2603877865bbbb87b5acf89f9bc94d3be694e033a0cc4458db32e4e054770591847ff855b0175c43644df527bf014e0200c9e0e16c4c1bdce6fc5c744ca2cd478a01", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r5, @ANYBLOB="52440fa579a8db204918dfdfb86de333b92e4f643ef161bb48fc351a83f9a3ccce3438cc17c8718df8295b497aef7d072cbe130159d360215a7eef2b80af888eeda426dc4356fc417a267952bc7ca5cc18e70000000000"], 0x38}}, 0x0) 23:24:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x400042, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x400042, 0x0) (async) 23:24:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3ce20000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3ce20000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x109002, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) (async) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) socketpair(0x18, 0x5, 0x3, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r9, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, 0x140e, 0x200, 0x70bd25, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB="a8000000", @ANYRES16=r1, @ANYBLOB="00022dbd7000fbdbdf25010000000c00080000000000000000c00c00080000000000000000000c00060002000000000000000c00080003000000000000000c00040008000000000000004c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08090100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="0c0003000000000000000000"], 0xa8}, 0x1, 0x0, 0x0, 0x20000000}, 0x4080) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000200000000030005000000"], 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x38}}, 0x0) 23:24:19 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read$FUSE(r0, 0x0, 0x0) 23:24:19 executing program 1: 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$nbd(&(0x7f00000006c0), r1) (async, rerun: 64) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 64) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) bind$netrom(r3, &(0x7f0000000080)={{0x3, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x6}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}, 0x48) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000280)={0x14, 0x0, 0x0, 0x1, 0xffffffff}, 0x14}, 0x1, 0x0, 0x0, 0x4090}, 0x4004) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_STAT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x88}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x1412, 0x1, 0x70bd2a, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3800007f4969c73c91bd6a975ad6a1bdc598d1b7be58db2603877865bbbb87b5acf89f9bc94d3be694e033a0cc4458db32e4e054770591847ff855b0175c43644df527bf014e0200c9e0e16c4c1bdce6fc5c744ca2cd478a01", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r5, @ANYBLOB="52440fa579a8db204918dfdfb86de333b92e4f643ef161bb48fc351a83f9a3ccce3438cc17c8718df8295b497aef7d072cbe130159d360215a7eef2b80af888eeda426dc4356fc417a267952bc7ca5cc18e70000000000"], 0x38}}, 0x0) 23:24:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) 23:24:19 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) read$FUSE(r0, 0x0, 0x0) 23:24:19 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000200000000030005000000"], 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x38}}, 0x0) 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000280)={0x14, 0x0, 0x0, 0x1, 0xffffffff}, 0x14}, 0x1, 0x0, 0x0, 0x4090}, 0x4004) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_STAT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x88}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x1412, 0x1, 0x70bd2a, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3800007f4969c73c91bd6a975ad6a1bdc598d1b7be58db2603877865bbbb87b5acf89f9bc94d3be694e033a0cc4458db32e4e054770591847ff855b0175c43644df527bf014e0200c9e0e16c4c1bdce6fc5c744ca2cd478a01", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r5, @ANYBLOB="52440fa579a8db204918dfdfb86de333b92e4f643ef161bb48fc351a83f9a3ccce3438cc17c8718df8295b497aef7d072cbe130159d360215a7eef2b80af888eeda426dc4356fc417a267952bc7ca5cc18e70000000000"], 0x38}}, 0x0) 23:24:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0xfea0, r2, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) 23:24:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000280)={0x14, 0x0, 0x0, 0x1, 0xffffffff}, 0x14}, 0x1, 0x0, 0x0, 0x4090}, 0x4004) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_STAT_DEL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x88}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x1412, 0x1, 0x70bd2a, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="3800007f4969c73c91bd6a975ad6a1bdc598d1b7be58db2603877865bbbb87b5acf89f9bc94d3be694e033a0cc4458db32e4e054770591847ff855b0175c43644df527bf014e0200c9e0e16c4c1bdce6fc5c744ca2cd478a01", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r5, @ANYBLOB="52440fa579a8db204918dfdfb86de333b92e4f643ef161bb48fc351a83f9a3ccce3438cc17c8718df8295b497aef7d072cbe130159d360215a7eef2b80af888eeda426dc4356fc417a267952bc7ca5cc18e70000000000"], 0x38}}, 0x0) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000200000000030005000000"], 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x38}}, 0x0) 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r1, @ANYBLOB="49b456d3b756506f1470f4b7f7c67a2e8665eb94625fcb3981e5063b7de62f8dcc24ed11ee5236b3f95b40c19e70a012b9b7b321ab5baac4168a944a98a18d8f1323138bbe924c95771ce24af07d800f0410fb0e04b67a0ebc01264729c355ed6089a3aaf712feabed7f61afab6282c3aacc64a87ff5255065b016be95ca8b79ee226ebbfbc9853f6bb7a6f61d51ba84b64a2c6c74f587745b443ef1658a1234998dc1e0f59a6376bb097e8e87f648afba9627d566d2b5a4ba274409ca7212774831e577402eff69d8cccb48922983461f466049a2d2c363325d"], 0x38}}, 0x0) 23:24:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0xfea0, r2, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) 23:24:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[], 0x3c}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f0000000740)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x54, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x810}, 0x40000) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0) r6 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f00000004c0), 0x400000, 0x0) 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$nbd(&(0x7f00000006c0), r9) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)=ANY=[@ANYBLOB="e8ffffff", @ANYRES16=r10, @ANYBLOB="080026bd7000fedbdf25050000000c000300ff000000000000000c00080081000000000000000c0006000000000000000000"], 0x38}}, 0x844) getsockopt$netrom_NETROM_T1(r7, 0x103, 0x1, &(0x7f0000000500), &(0x7f0000000540)=0x4) read$FUSE(r6, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r6, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r11}, 0x60) write$FUSE_POLL(r5, &(0x7f0000000280)={0x18, 0xffffffffffffffda, r11, {0xfffffffa}}, 0x18) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xffffff8f, &(0x7f00000001c0)={&(0x7f0000000140)={0x60, 0x0, 0x400, 0x70bd25, 0x25dfdc01, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @enabled}]}}]}, 0x60}}, 0x8091) ioctl$DRM_IOCTL_SYNCOBJ_QUERY(r4, 0xc01864cb, &(0x7f00000000c0)={&(0x7f00000002c0)=[0x0], &(0x7f0000000080)=[0xfeec, 0x400, 0x6], 0x1}) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) r13 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r13, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r13, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r14}, 0x60) write$FUSE_BMAP(r12, &(0x7f0000000700)={0x18, 0x0, r14, {0x14000000000000}}, 0x18) 23:24:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3ce20000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x109002, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x200000, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) socketpair(0x18, 0x5, 0x3, &(0x7f0000000280)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r9, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, 0x140e, 0x200, 0x70bd25, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)=ANY=[@ANYBLOB="a8000000", @ANYRES16=r1, @ANYBLOB="00022dbd7000fbdbdf25010000000c00080000000000000000c00c00080000000000000000000c00060002000000000000000c00080003000000000000000c00040008000000000000004c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08090100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="0c0003000000000000000000"], 0xa8}, 0x1, 0x0, 0x0, 0x20000000}, 0x4080) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x3c, r1, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8080}, 0x20000000) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r5, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x20) 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r1, @ANYBLOB="49b456d3b756506f1470f4b7f7c67a2e8665eb94625fcb3981e5063b7de62f8dcc24ed11ee5236b3f95b40c19e70a012b9b7b321ab5baac4168a944a98a18d8f1323138bbe924c95771ce24af07d800f0410fb0e04b67a0ebc01264729c355ed6089a3aaf712feabed7f61afab6282c3aacc64a87ff5255065b016be95ca8b79ee226ebbfbc9853f6bb7a6f61d51ba84b64a2c6c74f587745b443ef1658a1234998dc1e0f59a6376bb097e8e87f648afba9627d566d2b5a4ba274409ca7212774831e577402eff69d8cccb48922983461f466049a2d2c363325d"], 0x38}}, 0x0) 23:24:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="43da8002e77dc0a048bef5fe00649bd68807907316728db12e4583064acea77675b1543fd93d649dec6b2b458974b0335a456f1ff02e47ed8daaa521b0a1058c0299dff26be6dfd31625a896f9fd0725f64a4346eb8a31df90dfdcc5f27fa53e575f72cca225cef3eb9e567241c4fa4436be30357bf5a1c89200a43dc231b7c969a561589fd918a8517071ff0bbd309b2c05", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000040)={0x5, &(0x7f0000000000)=[{}, {}, {}, {}, {}]}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) 23:24:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0xfea0, r2, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[], 0x3c}}, 0x0) (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$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f0000000740)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x54, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x810}, 0x40000) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) r5 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0) (async) r6 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r7 = openat$zero(0xffffffffffffff9c, &(0x7f00000004c0), 0x400000, 0x0) 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$nbd(&(0x7f00000006c0), r9) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)=ANY=[@ANYBLOB="e8ffffff", @ANYRES16=r10, @ANYBLOB="080026bd7000fedbdf25050000000c000300ff000000000000000c00080081000000000000000c0006000000000000000000"], 0x38}}, 0x844) getsockopt$netrom_NETROM_T1(r7, 0x103, 0x1, &(0x7f0000000500), &(0x7f0000000540)=0x4) read$FUSE(r6, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r6, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r11}, 0x60) (async) write$FUSE_POLL(r5, &(0x7f0000000280)={0x18, 0xffffffffffffffda, r11, {0xfffffffa}}, 0x18) (async) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xffffff8f, &(0x7f00000001c0)={&(0x7f0000000140)={0x60, 0x0, 0x400, 0x70bd25, 0x25dfdc01, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @enabled}]}}]}, 0x60}}, 0x8091) (async) ioctl$DRM_IOCTL_SYNCOBJ_QUERY(r4, 0xc01864cb, &(0x7f00000000c0)={&(0x7f00000002c0)=[0x0], &(0x7f0000000080)=[0xfeec, 0x400, 0x6], 0x1}) (async) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) r13 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r13, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r13, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r14}, 0x60) write$FUSE_BMAP(r12, &(0x7f0000000700)={0x18, 0x0, r14, {0x14000000000000}}, 0x18) [ 2271.319119] nbd: must specify a size in bytes for the device 23:24:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r1, @ANYBLOB="49b456d3b756506f1470f4b7f7c67a2e8665eb94625fcb3981e5063b7de62f8dcc24ed11ee5236b3f95b40c19e70a012b9b7b321ab5baac4168a944a98a18d8f1323138bbe924c95771ce24af07d800f0410fb0e04b67a0ebc01264729c355ed6089a3aaf712feabed7f61afab6282c3aacc64a87ff5255065b016be95ca8b79ee226ebbfbc9853f6bb7a6f61d51ba84b64a2c6c74f587745b443ef1658a1234998dc1e0f59a6376bb097e8e87f648afba9627d566d2b5a4ba274409ca7212774831e577402eff69d8cccb48922983461f466049a2d2c363325d"], 0x38}}, 0x0) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x3c, r1, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8080}, 0x20000000) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r5, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x20) 23:24:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x3c, r1, 0x2, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8080}, 0x20000000) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r5, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x20) 23:24:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[], 0x3c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[], 0x3c}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f0000000740)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f0000000740)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x54, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x810}, 0x40000) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r6 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f00000004c0), 0x400000, 0x0) (async) r7 = openat$zero(0xffffffffffffff9c, &(0x7f00000004c0), 0x400000, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r9) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)=ANY=[@ANYBLOB="e8ffffff", @ANYRES16=r10, @ANYBLOB="080026bd7000fedbdf25050000000c000300ff000000000000000c00080081000000000000000c0006000000000000000000"], 0x38}}, 0x844) getsockopt$netrom_NETROM_T1(r7, 0x103, 0x1, &(0x7f0000000500), &(0x7f0000000540)=0x4) read$FUSE(r6, &(0x7f0000002740)={0x2020}, 0x2020) (async) read$FUSE(r6, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r6, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r11}, 0x60) write$FUSE_POLL(r5, &(0x7f0000000280)={0x18, 0xffffffffffffffda, r11, {0xfffffffa}}, 0x18) (async) write$FUSE_POLL(r5, &(0x7f0000000280)={0x18, 0xffffffffffffffda, r11, {0xfffffffa}}, 0x18) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xffffff8f, &(0x7f00000001c0)={&(0x7f0000000140)={0x60, 0x0, 0x400, 0x70bd25, 0x25dfdc01, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @enabled}]}}]}, 0x60}}, 0x8091) ioctl$DRM_IOCTL_SYNCOBJ_QUERY(r4, 0xc01864cb, &(0x7f00000000c0)={&(0x7f00000002c0)=[0x0], &(0x7f0000000080)=[0xfeec, 0x400, 0x6], 0x1}) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) r13 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r13, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r13, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r14}, 0x60) (async) write$FUSE_STATFS(r13, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r14}, 0x60) write$FUSE_BMAP(r12, &(0x7f0000000700)={0x18, 0x0, r14, {0x14000000000000}}, 0x18) (async) write$FUSE_BMAP(r12, &(0x7f0000000700)={0x18, 0x0, r14, {0x14000000000000}}, 0x18) 23:24:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x38}}, 0x0) [ 2271.503911] nbd: must specify a size in bytes for the device 23:24:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[], 0x3c}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f0000000740)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000480)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x54, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x810}, 0x40000) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0) r6 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f00000004c0), 0x400000, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r9) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)=ANY=[@ANYBLOB="e8ffffff", @ANYRES16=r10, @ANYBLOB="080026bd7000fedbdf25050000000c000300ff000000000000000c00080081000000000000000c0006000000000000000000"], 0x38}}, 0x844) getsockopt$netrom_NETROM_T1(r7, 0x103, 0x1, &(0x7f0000000500), &(0x7f0000000540)=0x4) read$FUSE(r6, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r6, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r11}, 0x60) write$FUSE_POLL(r5, &(0x7f0000000280)={0x18, 0xffffffffffffffda, r11, {0xfffffffa}}, 0x18) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xffffff8f, &(0x7f00000001c0)={&(0x7f0000000140)={0x60, 0x0, 0x400, 0x70bd25, 0x25dfdc01, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @enabled}]}}]}, 0x60}}, 0x8091) ioctl$DRM_IOCTL_SYNCOBJ_QUERY(r4, 0xc01864cb, &(0x7f00000000c0)={&(0x7f00000002c0)=[0x0], &(0x7f0000000080)=[0xfeec, 0x400, 0x6], 0x1}) r12 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r12, 0x0, 0x0) r13 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r13, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r13, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r14}, 0x60) write$FUSE_BMAP(r12, &(0x7f0000000700)={0x18, 0x0, r14, {0x14000000000000}}, 0x18) 23:24:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048041}, 0x40840) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '-/^&::!Z'}]}, 0x20}, 0x1, 0x0, 0x0, 0xb046a90d9b5130cf}, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="38000019", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r6, @ANYBLOB, @ANYRESOCT=r7], 0x38}}, 0x0) 23:24:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = socket(0xa, 0x2, 0x0) connect$802154_dgram(r3, &(0x7f0000000280)={0x24, @short}, 0x14) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x400, 0x0, 0x3, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c1ccd31", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @private, @initdev}, &(0x7f0000000180)=0xc) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000700)=ANY=[@ANYBLOB="6c040000", @ANYRES16=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB="1400020070696d3672657e31000000000000000008000100", @ANYRES32=r3, @ANYBLOB="1400020076657468305f766972745f776966690008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=r5, @ANYBLOB="140002006970766c616e3000000000000000000008000100", @ANYRES32=r6, @ANYBLOB], 0x46c}, 0x1, 0x0, 0x0, 0x800}, 0x40080d4) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000300), 0x111800, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000380)={@mcast1, 0x0}, &(0x7f00000003c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_RINGS_GET(r7, &(0x7f00000005c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000580)={&(0x7f0000000440)={0x128, 0x0, 0x4, 0x70bd26, 0x25dfdbfc, {}, [@HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}]}, 0x128}, 0x1, 0x0, 0x0, 0x4}, 0xc001) ioctl$SNDCTL_DSP_GETOSPACE(0xffffffffffffffff, 0x8010500c, &(0x7f0000000000)) 23:24:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x38}}, 0x0) [ 2271.609975] nbd: must specify a size in bytes for the device [ 2271.621506] nbd: must specify a size in bytes for the device 23:24:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048041}, 0x40840) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x20, r5, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '-/^&::!Z'}]}, 0x20}, 0x1, 0x0, 0x0, 0xb046a90d9b5130cf}, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="38000019", @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r6, @ANYBLOB, @ANYRESOCT=r7], 0x38}}, 0x0) 23:24:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = socket(0xa, 0x2, 0x0) connect$802154_dgram(r3, &(0x7f0000000280)={0x24, @short}, 0x14) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x400, 0x0, 0x3, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:20 executing program 1: 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c1ccd31", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) (async) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @private, @initdev}, &(0x7f0000000180)=0xc) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000700)=ANY=[@ANYBLOB="6c040000", @ANYRES16=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB="1400020070696d3672657e31000000000000000008000100", @ANYRES32=r3, @ANYBLOB="1400020076657468305f766972745f776966690008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=r5, @ANYBLOB="140002006970766c616e3000000000000000000008000100", @ANYRES32=r6, @ANYBLOB], 0x46c}, 0x1, 0x0, 0x0, 0x800}, 0x40080d4) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000300), 0x111800, 0x0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000380)={@mcast1, 0x0}, &(0x7f00000003c0)=0x14) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_RINGS_GET(r7, &(0x7f00000005c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000580)={&(0x7f0000000440)={0x128, 0x0, 0x4, 0x70bd26, 0x25dfdbfc, {}, [@HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}]}, 0x128}, 0x1, 0x0, 0x0, 0x4}, 0xc001) (async) ioctl$SNDCTL_DSP_GETOSPACE(0xffffffffffffffff, 0x8010500c, &(0x7f0000000000)) [ 2271.670051] nbd: must specify a size in bytes for the device 23:24:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c1ccd31", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @private, @initdev}, &(0x7f0000000180)=0xc) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000700)=ANY=[@ANYBLOB="6c040000", @ANYRES16=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB="1400020070696d3672657e31000000000000000008000100", @ANYRES32=r3, @ANYBLOB="1400020076657468305f766972745f776966690008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=r5, @ANYBLOB="140002006970766c616e3000000000000000000008000100", @ANYRES32=r6, @ANYBLOB], 0x46c}, 0x1, 0x0, 0x0, 0x800}, 0x40080d4) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000300), 0x111800, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000380)={@mcast1, 0x0}, &(0x7f00000003c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_RINGS_GET(r7, &(0x7f00000005c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000580)={&(0x7f0000000440)={0x128, 0x0, 0x4, 0x70bd26, 0x25dfdbfc, {}, [@HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}]}, 0x128}, 0x1, 0x0, 0x0, 0x4}, 0xc001) ioctl$SNDCTL_DSP_GETOSPACE(0xffffffffffffffff, 0x8010500c, &(0x7f0000000000)) 23:24:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x38}}, 0x0) 23:24:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c1ccd31", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000000c0)={0x0, @private, @initdev}, &(0x7f0000000180)=0xc) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'team0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'team0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000700)=ANY=[@ANYBLOB="6c040000", @ANYRES16=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB="1400020070696d3672657e31000000000000000008000100", @ANYRES32=r3, @ANYBLOB="1400020076657468305f766972745f776966690008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=r5, @ANYBLOB="140002006970766c616e3000000000000000000008000100", @ANYRES32=r6, @ANYBLOB], 0x46c}, 0x1, 0x0, 0x0, 0x800}, 0x40080d4) (async) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000300), 0x111800, 0x0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f0000000380)={@mcast1, 0x0}, &(0x7f00000003c0)=0x14) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_RINGS_GET(r7, &(0x7f00000005c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000580)={&(0x7f0000000440)={0x128, 0x0, 0x4, 0x70bd26, 0x25dfdbfc, {}, [@HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'dvmrp1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6erspan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}]}, 0x128}, 0x1, 0x0, 0x0, 0x4}, 0xc001) (async) ioctl$SNDCTL_DSP_GETOSPACE(0xffffffffffffffff, 0x8010500c, &(0x7f0000000000)) 23:24:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = socket(0xa, 0x2, 0x0) connect$802154_dgram(r3, &(0x7f0000000280)={0x24, @short}, 0x14) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x400, 0x0, 0x3, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20000001}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(0xffffffffffffffff, &(0x7f0000000040)={0x4, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) 23:24:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x28, r5, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ']\\'}]}, 0x28}, 0x1, 0x0, 0x0, 0x48005}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x20002, 0x0) socketpair(0x23, 0x80000, 0x800, &(0x7f0000000240)) openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x503100, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="250125bd7000ffdbdf250500000000000000010000000000000008000a007b3a0008000a006e62640008000a006e626400"/62], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x40) 23:24:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(0xffffffffffffffff, &(0x7f0000000040)={0x4, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(0xffffffffffffffff, &(0x7f0000000040)={0x4, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) (async) 23:24:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="4000eaff", @ANYRES16=r3, @ANYBLOB="00022cbd7000fbdbdf250200000008000100000000000c00050000010000000000000c00080040000000000000000c0004000600000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:21 executing program 5: write$yama_ptrace_scope(0xffffffffffffffff, &(0x7f0000000040)='3\x00', 0x2) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') ioctl$BTRFS_IOC_TREE_SEARCH_V2(r3, 0xc0709411, &(0x7f0000000100)={{0x0, 0x58e0, 0x8, 0xffffffffffff0000, 0xff, 0x1, 0x2, 0xa4f, 0x1, 0xd53, 0x20, 0x137, 0x7, 0x4, 0x2}}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000100000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(0xffffffffffffffff, &(0x7f0000000040)={0x4, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(0xffffffffffffffff, &(0x7f0000000040)={0x4, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) (async) 23:24:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x28, r5, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ']\\'}]}, 0x28}, 0x1, 0x0, 0x0, 0x48005}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x20002, 0x0) (async, rerun: 64) socketpair(0x23, 0x80000, 0x800, &(0x7f0000000240)) (rerun: 64) openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x503100, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)) (rerun: 64) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="250125bd7000ffdbdf250500000000000000010000000000000008000a007b3a0008000a006e62640008000a006e626400"/62], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x40) 23:24:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x28, r5, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ']\\'}]}, 0x28}, 0x1, 0x0, 0x0, 0x48005}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x20002, 0x0) socketpair(0x23, 0x80000, 0x800, &(0x7f0000000240)) openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x503100, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="250125bd7000ffdbdf250500000000000000010000000000000008000a007b3a0008000a006e62640008000a006e626400"/62], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x40) 23:24:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="4000eaff", @ANYRES16=r3, @ANYBLOB="00022cbd7000fbdbdf250200000008000100000000000c00050000010000000000000c00080040000000000000000c0004000600000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000010}, 0x4040081) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:21 executing program 5: write$yama_ptrace_scope(0xffffffffffffffff, &(0x7f0000000040)='3\x00', 0x2) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') ioctl$BTRFS_IOC_TREE_SEARCH_V2(r3, 0xc0709411, &(0x7f0000000100)={{0x0, 0x58e0, 0x8, 0xffffffffffff0000, 0xff, 0x1, 0x2, 0xa4f, 0x1, 0xd53, 0x20, 0x137, 0x7, 0x4, 0x2}}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000100000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) write$yama_ptrace_scope(0xffffffffffffffff, &(0x7f0000000040)='3\x00', 0x2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') (async) ioctl$BTRFS_IOC_TREE_SEARCH_V2(r3, 0xc0709411, &(0x7f0000000100)={{0x0, 0x58e0, 0x8, 0xffffffffffff0000, 0xff, 0x1, 0x2, 0xa4f, 0x1, 0xd53, 0x20, 0x137, 0x7, 0x4, 0x2}}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000100000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="4000eaff", @ANYRES16=r3, @ANYBLOB="00022cbd7000fbdbdf250200000008000100000000000c00050000010000000000000c00080040000000000000000c0004000600000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x28, r5, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ']\\'}]}, 0x28}, 0x1, 0x0, 0x0, 0x48005}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x20002, 0x0) socketpair(0x23, 0x80000, 0x800, &(0x7f0000000240)) openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x503100, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="250125bd7000ffdbdf250500000000000000010000000000000008000a007b3a0008000a006e62640008000a006e626400"/62], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x40) 23:24:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000010}, 0x4040081) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000010}, 0x4040081) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$FUSE_INIT(0xffffffffffffffff, &(0x7f0000000080)={0x50, 0x0, 0x0, {0x7, 0x26, 0x5b, 0x100, 0x5, 0x9, 0x8, 0x200}}, 0x50) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x103}, 0x14}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) 23:24:21 executing program 5: write$yama_ptrace_scope(0xffffffffffffffff, &(0x7f0000000040)='3\x00', 0x2) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') ioctl$BTRFS_IOC_TREE_SEARCH_V2(r3, 0xc0709411, &(0x7f0000000100)={{0x0, 0x58e0, 0x8, 0xffffffffffff0000, 0xff, 0x1, 0x2, 0xa4f, 0x1, 0xd53, 0x20, 0x137, 0x7, 0x4, 0x2}}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000100000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) write$yama_ptrace_scope(0xffffffffffffffff, &(0x7f0000000040)='3\x00', 0x2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/cgroup\x00') (async) ioctl$BTRFS_IOC_TREE_SEARCH_V2(r3, 0xc0709411, &(0x7f0000000100)={{0x0, 0x58e0, 0x8, 0xffffffffffff0000, 0xff, 0x1, 0x2, 0xa4f, 0x1, 0xd53, 0x20, 0x137, 0x7, 0x4, 0x2}}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000100000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x28, r5, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ']\\'}]}, 0x28}, 0x1, 0x0, 0x0, 0x48005}, 0x80) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x28, r5, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ']\\'}]}, 0x28}, 0x1, 0x0, 0x0, 0x48005}, 0x80) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x20002, 0x0) socketpair(0x23, 0x80000, 0x800, &(0x7f0000000240)) (async) socketpair(0x23, 0x80000, 0x800, &(0x7f0000000240)) openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x503100, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000440)) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="250125bd7000ffdbdf250500000000000000010000000000000008000a007b3a0008000a006e62640008000a006e626400"/62], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x40) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="250125bd7000ffdbdf250500000000000000010000000000000008000a007b3a0008000a006e62640008000a006e626400"/62], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x40) 23:24:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000010}, 0x4040081) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) write$FUSE_INIT(0xffffffffffffffff, &(0x7f0000000080)={0x50, 0x0, 0x0, {0x7, 0x26, 0x5b, 0x100, 0x5, 0x9, 0x8, 0x200}}, 0x50) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x103}, 0x14}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) 23:24:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c0007800800010045e51688baf50eb14faab2b4f54783c3b400efa21707406273d5e12d50d5f7a68b815a565d7575cd28f90f3949e116ef09c6254276166fbcebc45738b19b61f6948716aa8b086183278c9d2d1c491a3ab1cea65b3bd662967e337ccd0b33255e8fcd1d9a3e9e91d9459f47c828571ee251e43740b76e00a4764f19865d66090d058ab8a6eb9cca9da7c82d405ab75c912c8f027ee32abc615528c3e86f393d320a8d467e096d9a682a1b7bf1a8564dbcff5f5790a729fa91e8", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$FUSE_INIT(0xffffffffffffffff, &(0x7f0000000080)={0x50, 0x0, 0x0, {0x7, 0x26, 0x5b, 0x100, 0x5, 0x9, 0x8, 0x200}}, 0x50) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x103}, 0x14}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x103}, 0x14}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) 23:24:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x18, 0x6, 0x5, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, r1, 0x600, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r2}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xd8}, 0x1, 0x0, 0x0, 0x24000004}, 0x400c0004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="78df9ceeaa9e99dc566ae8e31174ce62ef02d83fbd0c6ee3095b1794d5ae75287d271b254c3a3feb04beffda89f40493"], 0x38}}, 0x0) 23:24:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x68, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x68}, 0x1, 0x0, 0x0, 0x44000}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:21 executing program 0: io_setup(0x4512, &(0x7f00000001c0)=0x0) io_submit(r0, 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x140000, 0x0) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000180), 0x4e0801, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x40080, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001700), 0x4e0840, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001780)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = openat$null(0xffffffffffffff9c, &(0x7f00000018c0), 0x101002, 0x0) io_submit(r0, 0x8, &(0x7f0000001a40)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x3, 0x4, r1, &(0x7f0000000040)="1b58c6fb853d2a46c6db2bbcb09f26c81612cdebc3768c3961bdcea568dd31fa4ad98cc19dd1913b37997f3ae8da9cf5c3363db6626786edc058de99f647a41981c491127d398ceba2ad490a59d20895197beab6bd07e91cb666eb36b4f673bce0e527650f591cdd818acda42d1d1a48a5b772fbe76ec9bb36", 0x79, 0x80000001, 0x0, 0x0, r2}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x2, 0x9b, r3, &(0x7f00000001c0)="14386e630e3ad82a50f575ed6283396d90120d9c1af1b5d33d840a8ef60eeb5d50c9e7a52ff713a6572e170de3cf53bd4771a73e2ffd9332e899fc56b5b5b8654ac264ed7100633d9e434b3ded54568182cc5da56a9a6c7880fb3d807170d53c3ba7024a36f08c2fb9abca795637ad221834d3d03770102a271055ef59778deb43eea5303d1cbe23a8f37de1c8f93a6fc1a47274a42f91d95b9462689bbaf60a3d4452470248035fd3df9921ff0c436552f7d206a80c20bc84c25f380fecd53654ef7b", 0xc3, 0x100, 0x0, 0x2, r4}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x5, 0x0, 0xffffffffffffffff, &(0x7f0000000440)="c50505dc207e4d3dd045fc228782ed00e08df1175cba3f4a5437f6090205d7560fd8761e1e91eb926a8897ea19f4dc5ddcc9d782dd9fb6dace714a01b05f53e8e24b130abae3857237cef5a06f99edc06b21897f8967303fbfdbdf3f1e0194db5e94e6f68539fab9efa893a7f2957c552830007285a15697e9e7788ea9d647a5b7f5c55933f081069fec14fd7400b1e6aa9b8c413b0b22fe3307c0aeecf1a1b23f79b453ea563bc0ca3a9fb4cf04a25b3d94586b", 0xb4, 0x6, 0x0, 0x3, r5}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x3, 0x9, 0xffffffffffffffff, &(0x7f0000000500)="7dd847247b48ab5a1cce2c546a6a09fdbefe7c2cc083196786b04d5f82b4e4ca93915c69295d651767addfdda703e4b203ef88c746ad8e1d5ebde27bb4d2f6fcb2ac8c7b2bfabbe0345d5478adab0fe64472920cfaa1", 0x56, 0xffffffffffffffe0, 0x0, 0x1}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x8, 0x2, r6, &(0x7f0000000580)="3bb29361250cd45d6ef181cbdccb6f7be474bb7a73e60aa1f0d51029a7051ab462f7b98c22b79fcd184dc98b0c4aeea565219ad3705b1ef1f5e5f6cebf4f34401715606490d61ca58d2c5342c37fcef9529f4b09219c24e07a0f1525678ec3f8e27c0eb948b6a90f30cc2f0b10e407495bd617e81ad5a6fa92845c48b063c836b160a2d4ac57d509539e1bba8bac1975321cae4a975b38d81cc2c12c017a1eb3475adb1fa562f4a53730177391a83a566bde624f45c9d1765dfc87915112caeb39fd7d32df3351492a1f011a5b4b4509d2", 0xd1, 0xffffffffffffc589, 0x0, 0x3}, &(0x7f0000001740)={0x0, 0x0, 0x0, 0x3, 0x0, 0xffffffffffffffff, &(0x7f0000000700)="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", 0x1000, 0x2, 0x0, 0x1, r7}, &(0x7f0000001900)={0x0, 0x0, 0x0, 0x6, 0x6, r8, &(0x7f00000017c0)="82ee5abf255fad0f857858a89cd5592cea1eccf22e1e7acf1c61f3f77896df443a88cca1de718dcce2ebb94c4f33efb9f44ea93a45cac20356d8be77dfa491b5d074b30dbe79925b9c7680fac64003b919cda20c9be7093f124c91ffe557926ef2dc65a2cc8797124adbaa50c2699d61088ba037212b324248933a25e48e19fdad7421816f3d107a7fcf90baa9383b42a6d62201a12c75883a685e8b4e8149ba416459b276558b2c5b781e79760500f0689a67bd061c959cee7dd43b960896263e83de44a97789988a62e5dbfaadf246f213ff449b87680251efbae601ee6145443ad0010c4d1d8e0a091878cd12fce7e38f", 0xf2, 0xffffffffffffffeb, 0x0, 0x1, r9}, &(0x7f0000001a00)={0x0, 0x0, 0x0, 0x2, 0x1, 0xffffffffffffffff, &(0x7f0000001940)="93ccc845d71d41246f9644107520548f91d489813749dafced3456d0a51d3432f70df9bf43e28b0b0f402e96dba2bcff04a96a34f3c81a7be5e1a6007599c1b535832b8b8d9159a007eeccad7a7f7ee496ea867c5e7865ac5ed0e85b9e0baf03362903ad725bbb34ce8bfb8a9efca021ca247af7f58126ccea9fd0b25bac67d8bb13c7ad53fc6e016e748eb5afff4acdcaa40b37549e6b2875c5906ea86355c5b8", 0xa1, 0x8}]) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000001a80)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="010000000000000000010000000c00020000000003000000000c00080000000000000000000c00078008000100195eb81a6aa53266b92db65af34b42165023e9a6a429b4b7877a972af34e3a4c01b4c77d646f0e05b26e8d16e4d77fadc6fccb231c611402000000e70b4504d752134eb300", @ANYRES32=r12, @ANYBLOB], 0x38}}, 0x0) 23:24:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c0007800800010045e51688baf50eb14faab2b4f54783c3b400efa21707406273d5e12d50d5f7a68b815a565d7575cd28f90f3949e116ef09c6254276166fbcebc45738b19b61f6948716aa8b086183278c9d2d1c491a3ab1cea65b3bd662967e337ccd0b33255e8fcd1d9a3e9e91d9459f47c828571ee251e43740b76e00a4764f19865d66090d058ab8a6eb9cca9da7c82d405ab75c912c8f027ee32abc615528c3e86f393d320a8d467e096d9a682a1b7bf1a8564dbcff5f5790a729fa91e8", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c0007800800010045e51688baf50eb14faab2b4f54783c3b400efa21707406273d5e12d50d5f7a68b815a565d7575cd28f90f3949e116ef09c6254276166fbcebc45738b19b61f6948716aa8b086183278c9d2d1c491a3ab1cea65b3bd662967e337ccd0b33255e8fcd1d9a3e9e91d9459f47c828571ee251e43740b76e00a4764f19865d66090d058ab8a6eb9cca9da7c82d405ab75c912c8f027ee32abc615528c3e86f393d320a8d467e096d9a682a1b7bf1a8564dbcff5f5790a729fa91e8", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) setsockopt$WPAN_WANTLQI(r2, 0x0, 0x3, &(0x7f0000000000), 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="2cf00000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$yama_ptrace_scope(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:21 executing program 5: 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$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c0007800800010045e51688baf50eb14faab2b4f54783c3b400efa21707406273d5e12d50d5f7a68b815a565d7575cd28f90f3949e116ef09c6254276166fbcebc45738b19b61f6948716aa8b086183278c9d2d1c491a3ab1cea65b3bd662967e337ccd0b33255e8fcd1d9a3e9e91d9459f47c828571ee251e43740b76e00a4764f19865d66090d058ab8a6eb9cca9da7c82d405ab75c912c8f027ee32abc615528c3e86f393d320a8d467e096d9a682a1b7bf1a8564dbcff5f5790a729fa91e8", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) setsockopt$WPAN_WANTLQI(r2, 0x0, 0x3, &(0x7f0000000000), 0x4) (async) setsockopt$WPAN_WANTLQI(r2, 0x0, 0x3, &(0x7f0000000000), 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="2cf00000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:21 executing program 0: io_setup(0x4512, &(0x7f00000001c0)=0x0) io_submit(r0, 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x140000, 0x0) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000180), 0x4e0801, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x40080, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001700), 0x4e0840, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001780)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = openat$null(0xffffffffffffff9c, &(0x7f00000018c0), 0x101002, 0x0) io_submit(r0, 0x8, &(0x7f0000001a40)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x3, 0x4, r1, &(0x7f0000000040)="1b58c6fb853d2a46c6db2bbcb09f26c81612cdebc3768c3961bdcea568dd31fa4ad98cc19dd1913b37997f3ae8da9cf5c3363db6626786edc058de99f647a41981c491127d398ceba2ad490a59d20895197beab6bd07e91cb666eb36b4f673bce0e527650f591cdd818acda42d1d1a48a5b772fbe76ec9bb36", 0x79, 0x80000001, 0x0, 0x0, r2}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x2, 0x9b, r3, &(0x7f00000001c0)="14386e630e3ad82a50f575ed6283396d90120d9c1af1b5d33d840a8ef60eeb5d50c9e7a52ff713a6572e170de3cf53bd4771a73e2ffd9332e899fc56b5b5b8654ac264ed7100633d9e434b3ded54568182cc5da56a9a6c7880fb3d807170d53c3ba7024a36f08c2fb9abca795637ad221834d3d03770102a271055ef59778deb43eea5303d1cbe23a8f37de1c8f93a6fc1a47274a42f91d95b9462689bbaf60a3d4452470248035fd3df9921ff0c436552f7d206a80c20bc84c25f380fecd53654ef7b", 0xc3, 0x100, 0x0, 0x2, r4}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x5, 0x0, 0xffffffffffffffff, &(0x7f0000000440)="c50505dc207e4d3dd045fc228782ed00e08df1175cba3f4a5437f6090205d7560fd8761e1e91eb926a8897ea19f4dc5ddcc9d782dd9fb6dace714a01b05f53e8e24b130abae3857237cef5a06f99edc06b21897f8967303fbfdbdf3f1e0194db5e94e6f68539fab9efa893a7f2957c552830007285a15697e9e7788ea9d647a5b7f5c55933f081069fec14fd7400b1e6aa9b8c413b0b22fe3307c0aeecf1a1b23f79b453ea563bc0ca3a9fb4cf04a25b3d94586b", 0xb4, 0x6, 0x0, 0x3, r5}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x3, 0x9, 0xffffffffffffffff, &(0x7f0000000500)="7dd847247b48ab5a1cce2c546a6a09fdbefe7c2cc083196786b04d5f82b4e4ca93915c69295d651767addfdda703e4b203ef88c746ad8e1d5ebde27bb4d2f6fcb2ac8c7b2bfabbe0345d5478adab0fe64472920cfaa1", 0x56, 0xffffffffffffffe0, 0x0, 0x1}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x8, 0x2, r6, &(0x7f0000000580)="3bb29361250cd45d6ef181cbdccb6f7be474bb7a73e60aa1f0d51029a7051ab462f7b98c22b79fcd184dc98b0c4aeea565219ad3705b1ef1f5e5f6cebf4f34401715606490d61ca58d2c5342c37fcef9529f4b09219c24e07a0f1525678ec3f8e27c0eb948b6a90f30cc2f0b10e407495bd617e81ad5a6fa92845c48b063c836b160a2d4ac57d509539e1bba8bac1975321cae4a975b38d81cc2c12c017a1eb3475adb1fa562f4a53730177391a83a566bde624f45c9d1765dfc87915112caeb39fd7d32df3351492a1f011a5b4b4509d2", 0xd1, 0xffffffffffffc589, 0x0, 0x3}, &(0x7f0000001740)={0x0, 0x0, 0x0, 0x3, 0x0, 0xffffffffffffffff, &(0x7f0000000700)="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", 0x1000, 0x2, 0x0, 0x1, r7}, &(0x7f0000001900)={0x0, 0x0, 0x0, 0x6, 0x6, r8, &(0x7f00000017c0)="82ee5abf255fad0f857858a89cd5592cea1eccf22e1e7acf1c61f3f77896df443a88cca1de718dcce2ebb94c4f33efb9f44ea93a45cac20356d8be77dfa491b5d074b30dbe79925b9c7680fac64003b919cda20c9be7093f124c91ffe557926ef2dc65a2cc8797124adbaa50c2699d61088ba037212b324248933a25e48e19fdad7421816f3d107a7fcf90baa9383b42a6d62201a12c75883a685e8b4e8149ba416459b276558b2c5b781e79760500f0689a67bd061c959cee7dd43b960896263e83de44a97789988a62e5dbfaadf246f213ff449b87680251efbae601ee6145443ad0010c4d1d8e0a091878cd12fce7e38f", 0xf2, 0xffffffffffffffeb, 0x0, 0x1, r9}, &(0x7f0000001a00)={0x0, 0x0, 0x0, 0x2, 0x1, 0xffffffffffffffff, &(0x7f0000001940)="93ccc845d71d41246f9644107520548f91d489813749dafced3456d0a51d3432f70df9bf43e28b0b0f402e96dba2bcff04a96a34f3c81a7be5e1a6007599c1b535832b8b8d9159a007eeccad7a7f7ee496ea867c5e7865ac5ed0e85b9e0baf03362903ad725bbb34ce8bfb8a9efca021ca247af7f58126ccea9fd0b25bac67d8bb13c7ad53fc6e016e748eb5afff4acdcaa40b37549e6b2875c5906ea86355c5b8", 0xa1, 0x8}]) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000001a80)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="010000000000000000010000000c00020000000003000000000c00080000000000000000000c00078008000100195eb81a6aa53266b92db65af34b42165023e9a6a429b4b7877a972af34e3a4c01b4c77d646f0e05b26e8d16e4d77fadc6fccb231c611402000000e70b4504d752134eb300", @ANYRES32=r12, @ANYBLOB], 0x38}}, 0x0) io_setup(0x4512, &(0x7f00000001c0)) (async) io_submit(r0, 0x0, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x140000, 0x0) (async) openat$dsp(0xffffffffffffff9c, &(0x7f0000000180), 0x4e0801, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x40080, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000001700), 0x4e0840, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001780)) (async) openat$null(0xffffffffffffff9c, &(0x7f00000018c0), 0x101002, 0x0) (async) io_submit(r0, 0x8, &(0x7f0000001a40)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x3, 0x4, r1, &(0x7f0000000040)="1b58c6fb853d2a46c6db2bbcb09f26c81612cdebc3768c3961bdcea568dd31fa4ad98cc19dd1913b37997f3ae8da9cf5c3363db6626786edc058de99f647a41981c491127d398ceba2ad490a59d20895197beab6bd07e91cb666eb36b4f673bce0e527650f591cdd818acda42d1d1a48a5b772fbe76ec9bb36", 0x79, 0x80000001, 0x0, 0x0, r2}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x2, 0x9b, r3, &(0x7f00000001c0)="14386e630e3ad82a50f575ed6283396d90120d9c1af1b5d33d840a8ef60eeb5d50c9e7a52ff713a6572e170de3cf53bd4771a73e2ffd9332e899fc56b5b5b8654ac264ed7100633d9e434b3ded54568182cc5da56a9a6c7880fb3d807170d53c3ba7024a36f08c2fb9abca795637ad221834d3d03770102a271055ef59778deb43eea5303d1cbe23a8f37de1c8f93a6fc1a47274a42f91d95b9462689bbaf60a3d4452470248035fd3df9921ff0c436552f7d206a80c20bc84c25f380fecd53654ef7b", 0xc3, 0x100, 0x0, 0x2, r4}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x5, 0x0, 0xffffffffffffffff, &(0x7f0000000440)="c50505dc207e4d3dd045fc228782ed00e08df1175cba3f4a5437f6090205d7560fd8761e1e91eb926a8897ea19f4dc5ddcc9d782dd9fb6dace714a01b05f53e8e24b130abae3857237cef5a06f99edc06b21897f8967303fbfdbdf3f1e0194db5e94e6f68539fab9efa893a7f2957c552830007285a15697e9e7788ea9d647a5b7f5c55933f081069fec14fd7400b1e6aa9b8c413b0b22fe3307c0aeecf1a1b23f79b453ea563bc0ca3a9fb4cf04a25b3d94586b", 0xb4, 0x6, 0x0, 0x3, r5}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x3, 0x9, 0xffffffffffffffff, &(0x7f0000000500)="7dd847247b48ab5a1cce2c546a6a09fdbefe7c2cc083196786b04d5f82b4e4ca93915c69295d651767addfdda703e4b203ef88c746ad8e1d5ebde27bb4d2f6fcb2ac8c7b2bfabbe0345d5478adab0fe64472920cfaa1", 0x56, 0xffffffffffffffe0, 0x0, 0x1}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x8, 0x2, r6, &(0x7f0000000580)="3bb29361250cd45d6ef181cbdccb6f7be474bb7a73e60aa1f0d51029a7051ab462f7b98c22b79fcd184dc98b0c4aeea565219ad3705b1ef1f5e5f6cebf4f34401715606490d61ca58d2c5342c37fcef9529f4b09219c24e07a0f1525678ec3f8e27c0eb948b6a90f30cc2f0b10e407495bd617e81ad5a6fa92845c48b063c836b160a2d4ac57d509539e1bba8bac1975321cae4a975b38d81cc2c12c017a1eb3475adb1fa562f4a53730177391a83a566bde624f45c9d1765dfc87915112caeb39fd7d32df3351492a1f011a5b4b4509d2", 0xd1, 0xffffffffffffc589, 0x0, 0x3}, &(0x7f0000001740)={0x0, 0x0, 0x0, 0x3, 0x0, 0xffffffffffffffff, &(0x7f0000000700)="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", 0x1000, 0x2, 0x0, 0x1, r7}, &(0x7f0000001900)={0x0, 0x0, 0x0, 0x6, 0x6, r8, &(0x7f00000017c0)="82ee5abf255fad0f857858a89cd5592cea1eccf22e1e7acf1c61f3f77896df443a88cca1de718dcce2ebb94c4f33efb9f44ea93a45cac20356d8be77dfa491b5d074b30dbe79925b9c7680fac64003b919cda20c9be7093f124c91ffe557926ef2dc65a2cc8797124adbaa50c2699d61088ba037212b324248933a25e48e19fdad7421816f3d107a7fcf90baa9383b42a6d62201a12c75883a685e8b4e8149ba416459b276558b2c5b781e79760500f0689a67bd061c959cee7dd43b960896263e83de44a97789988a62e5dbfaadf246f213ff449b87680251efbae601ee6145443ad0010c4d1d8e0a091878cd12fce7e38f", 0xf2, 0xffffffffffffffeb, 0x0, 0x1, r9}, &(0x7f0000001a00)={0x0, 0x0, 0x0, 0x2, 0x1, 0xffffffffffffffff, &(0x7f0000001940)="93ccc845d71d41246f9644107520548f91d489813749dafced3456d0a51d3432f70df9bf43e28b0b0f402e96dba2bcff04a96a34f3c81a7be5e1a6007599c1b535832b8b8d9159a007eeccad7a7f7ee496ea867c5e7865ac5ed0e85b9e0baf03362903ad725bbb34ce8bfb8a9efca021ca247af7f58126ccea9fd0b25bac67d8bb13c7ad53fc6e016e748eb5afff4acdcaa40b37549e6b2875c5906ea86355c5b8", 0xa1, 0x8}]) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000001a80)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="010000000000000000010000000c00020000000003000000000c00080000000000000000000c00078008000100195eb81a6aa53266b92db65af34b42165023e9a6a429b4b7877a972af34e3a4c01b4c77d646f0e05b26e8d16e4d77fadc6fccb231c611402000000e70b4504d752134eb300", @ANYRES32=r12, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="3800830e", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000100020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(0xffffffffffffffff, 0x4010641a, &(0x7f0000000080)={0x3, &(0x7f0000000040)=[0x40, 0x9, 0x400]}) 23:24:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) setsockopt$WPAN_WANTLQI(r2, 0x0, 0x3, &(0x7f0000000000), 0x4) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="2cf00000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (rerun: 64) 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$yama_ptrace_scope(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$yama_ptrace_scope(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 23:24:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="3800830e", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000100020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="3800830e", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000100020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) ioctl$DRM_IOCTL_FREE_BUFS(0xffffffffffffffff, 0x4010641a, &(0x7f0000000080)={0x3, &(0x7f0000000040)=[0x40, 0x9, 0x400]}) 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$yama_ptrace_scope(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:22 executing program 0: io_setup(0x4512, &(0x7f00000001c0)=0x0) io_submit(r0, 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x140000, 0x0) (async) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000180), 0x4e0801, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000002c0), 0x40080, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001700), 0x4e0840, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001780)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r9 = openat$null(0xffffffffffffff9c, &(0x7f00000018c0), 0x101002, 0x0) io_submit(r0, 0x8, &(0x7f0000001a40)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x3, 0x4, r1, &(0x7f0000000040)="1b58c6fb853d2a46c6db2bbcb09f26c81612cdebc3768c3961bdcea568dd31fa4ad98cc19dd1913b37997f3ae8da9cf5c3363db6626786edc058de99f647a41981c491127d398ceba2ad490a59d20895197beab6bd07e91cb666eb36b4f673bce0e527650f591cdd818acda42d1d1a48a5b772fbe76ec9bb36", 0x79, 0x80000001, 0x0, 0x0, r2}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x2, 0x9b, r3, &(0x7f00000001c0)="14386e630e3ad82a50f575ed6283396d90120d9c1af1b5d33d840a8ef60eeb5d50c9e7a52ff713a6572e170de3cf53bd4771a73e2ffd9332e899fc56b5b5b8654ac264ed7100633d9e434b3ded54568182cc5da56a9a6c7880fb3d807170d53c3ba7024a36f08c2fb9abca795637ad221834d3d03770102a271055ef59778deb43eea5303d1cbe23a8f37de1c8f93a6fc1a47274a42f91d95b9462689bbaf60a3d4452470248035fd3df9921ff0c436552f7d206a80c20bc84c25f380fecd53654ef7b", 0xc3, 0x100, 0x0, 0x2, r4}, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x5, 0x0, 0xffffffffffffffff, &(0x7f0000000440)="c50505dc207e4d3dd045fc228782ed00e08df1175cba3f4a5437f6090205d7560fd8761e1e91eb926a8897ea19f4dc5ddcc9d782dd9fb6dace714a01b05f53e8e24b130abae3857237cef5a06f99edc06b21897f8967303fbfdbdf3f1e0194db5e94e6f68539fab9efa893a7f2957c552830007285a15697e9e7788ea9d647a5b7f5c55933f081069fec14fd7400b1e6aa9b8c413b0b22fe3307c0aeecf1a1b23f79b453ea563bc0ca3a9fb4cf04a25b3d94586b", 0xb4, 0x6, 0x0, 0x3, r5}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x3, 0x9, 0xffffffffffffffff, &(0x7f0000000500)="7dd847247b48ab5a1cce2c546a6a09fdbefe7c2cc083196786b04d5f82b4e4ca93915c69295d651767addfdda703e4b203ef88c746ad8e1d5ebde27bb4d2f6fcb2ac8c7b2bfabbe0345d5478adab0fe64472920cfaa1", 0x56, 0xffffffffffffffe0, 0x0, 0x1}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x8, 0x2, r6, &(0x7f0000000580)="3bb29361250cd45d6ef181cbdccb6f7be474bb7a73e60aa1f0d51029a7051ab462f7b98c22b79fcd184dc98b0c4aeea565219ad3705b1ef1f5e5f6cebf4f34401715606490d61ca58d2c5342c37fcef9529f4b09219c24e07a0f1525678ec3f8e27c0eb948b6a90f30cc2f0b10e407495bd617e81ad5a6fa92845c48b063c836b160a2d4ac57d509539e1bba8bac1975321cae4a975b38d81cc2c12c017a1eb3475adb1fa562f4a53730177391a83a566bde624f45c9d1765dfc87915112caeb39fd7d32df3351492a1f011a5b4b4509d2", 0xd1, 0xffffffffffffc589, 0x0, 0x3}, &(0x7f0000001740)={0x0, 0x0, 0x0, 0x3, 0x0, 0xffffffffffffffff, &(0x7f0000000700)="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", 0x1000, 0x2, 0x0, 0x1, r7}, &(0x7f0000001900)={0x0, 0x0, 0x0, 0x6, 0x6, r8, &(0x7f00000017c0)="82ee5abf255fad0f857858a89cd5592cea1eccf22e1e7acf1c61f3f77896df443a88cca1de718dcce2ebb94c4f33efb9f44ea93a45cac20356d8be77dfa491b5d074b30dbe79925b9c7680fac64003b919cda20c9be7093f124c91ffe557926ef2dc65a2cc8797124adbaa50c2699d61088ba037212b324248933a25e48e19fdad7421816f3d107a7fcf90baa9383b42a6d62201a12c75883a685e8b4e8149ba416459b276558b2c5b781e79760500f0689a67bd061c959cee7dd43b960896263e83de44a97789988a62e5dbfaadf246f213ff449b87680251efbae601ee6145443ad0010c4d1d8e0a091878cd12fce7e38f", 0xf2, 0xffffffffffffffeb, 0x0, 0x1, r9}, &(0x7f0000001a00)={0x0, 0x0, 0x0, 0x2, 0x1, 0xffffffffffffffff, &(0x7f0000001940)="93ccc845d71d41246f9644107520548f91d489813749dafced3456d0a51d3432f70df9bf43e28b0b0f402e96dba2bcff04a96a34f3c81a7be5e1a6007599c1b535832b8b8d9159a007eeccad7a7f7ee496ea867c5e7865ac5ed0e85b9e0baf03362903ad725bbb34ce8bfb8a9efca021ca247af7f58126ccea9fd0b25bac67d8bb13c7ad53fc6e016e748eb5afff4acdcaa40b37549e6b2875c5906ea86355c5b8", 0xa1, 0x8}]) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000001a80)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r11, @ANYBLOB="010000000000000000010000000c00020000000003000000000c00080000000000000000000c00078008000100195eb81a6aa53266b92db65af34b42165023e9a6a429b4b7877a972af34e3a4c01b4c77d646f0e05b26e8d16e4d77fadc6fccb231c611402000000e70b4504d752134eb300", @ANYRES32=r12, @ANYBLOB], 0x38}}, 0x0) 23:24:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="3800830e", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000100020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) (async) ioctl$DRM_IOCTL_FREE_BUFS(0xffffffffffffffff, 0x4010641a, &(0x7f0000000080)={0x3, &(0x7f0000000040)=[0x40, 0x9, 0x400]}) 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (rerun: 64) 23:24:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002a5a52750000000000100000010000000c00020000000000000000e44e0780080001000000000017000092c3", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, 0x0, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8088}, 0x4) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_DELLINK(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200014}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x1404, 0x8, 0x70bd26, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x10000000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x20008000) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x140d, 0x200, 0x70bd27, 0xfcb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24004000}, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) 23:24:22 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:22 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002a5a52750000000000100000010000000c00020000000000000000e44e0780080001000000000017000092c3", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, 0x0, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8088}, 0x4) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_DELLINK(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200014}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x1404, 0x8, 0x70bd26, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x10000000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x20008000) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x140d, 0x200, 0x70bd27, 0xfcb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24004000}, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) 23:24:22 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 1: 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$nbd(&(0x7f00000006c0), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:22 executing program 2: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r0, &(0x7f0000000280)=""/24, 0x18) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000140)=0x9) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x580, 0x0) read$dsp(r1, &(0x7f0000000080)=""/151, 0x97) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002a5a52750000000000100000010000000c00020000000000000000e44e0780080001000000000017000092c3", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, 0x0, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8088}, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x4c, 0x0, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8088}, 0x4) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$RDMA_NLDEV_CMD_DELLINK(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200014}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x1404, 0x8, 0x70bd26, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x10000000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x20008000) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x140d, 0x200, 0x70bd27, 0xfcb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24004000}, 0x10) (async) sendmsg$RDMA_NLDEV_CMD_RES_MR_GET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x140d, 0x200, 0x70bd27, 0xfcb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_MRN={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24004000}, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c060000", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:22 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040), 0x2, 0x9}}, 0x20) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r3, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r4, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x6, 0x118, 0xfa00, {{0x6, 0x1, "b56f138169611fca789caf20f188b6b5483b05ad14ba068e9a0691b9c0a709ae03db357d725070e1311201b7ce43bab6949746986cb4443ca62f1c61dd7adabe7ca1cd353fcfa160c8529afac141c73408e5a33e945caace64d16ca3e70983672edd05c4856c6cb3c307b4b7e5fed6cb0cce042a0462abbb44ce92f1629f4058bbdb8cd7716d2bdfd2bf0694a59b44c6d13625c372efa1b76c1512eb636b221cc34981f66d4576dc3c562cceec3f98f66a29f546e783e00679d5510f9b8d0dda150ad8a3f5be23bca9630f8e035f42beb86426f2fddded85ba6899273cfbcf7bc0017a57e47aa0f097a9a0ed7235ccf366e51a3053e005f276f0441600", 0x67, 0x8, 0xfe, 0x4, 0xff, 0x8, 0x19}, r4}}, 0x120) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000280)={0x0, @local, @private}, &(0x7f00000002c0)=0xc) getsockopt$inet6_mreq(r3, 0x29, 0x1c, &(0x7f0000000300)={@local, 0x0}, &(0x7f0000000340)=0x14) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000540)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000440)={0xf4, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0xf4}, 0x1, 0x0, 0x0, 0x4000000}, 0x84) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:22 executing program 2: openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r0, &(0x7f0000000280)=""/24, 0x18) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000140)=0x9) (async) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000140)=0x9) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x580, 0x0) read$dsp(r1, &(0x7f0000000080)=""/151, 0x97) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000040)={@loopback, 0x0}, &(0x7f0000000080)=0x14) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080008000000000000000c00078008000100dd2769fc18a0c911c7ebbbc1341b46a50b739ffb1f7486", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r5, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c060000", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 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$nbd(&(0x7f00000006c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c060000", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) (async) 23:24:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 2: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r0, &(0x7f0000000280)=""/24, 0x18) (async) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000140)=0x9) (async) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x580, 0x0) read$dsp(r1, &(0x7f0000000080)=""/151, 0x97) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040), 0x2, 0x9}}, 0x20) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r3, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r4, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x6, 0x118, 0xfa00, {{0x6, 0x1, "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", 0x67, 0x8, 0xfe, 0x4, 0xff, 0x8, 0x19}, r4}}, 0x120) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000280)={0x0, @local, @private}, &(0x7f00000002c0)=0xc) getsockopt$inet6_mreq(r3, 0x29, 0x1c, &(0x7f0000000300)={@local, 0x0}, &(0x7f0000000340)=0x14) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000540)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000440)={0xf4, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0xf4}, 0x1, 0x0, 0x0, 0x4000000}, 0x84) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040), 0x2, 0x9}}, 0x20) (async) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) accept4$netrom(r3, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00), 0x111}}, 0x20) (async) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r4, 0x1}}, 0x18) (async) write$RDMA_USER_CM_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x6, 0x118, 0xfa00, {{0x6, 0x1, "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", 0x67, 0x8, 0xfe, 0x4, 0xff, 0x8, 0x19}, r4}}, 0x120) (async) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000280)={0x0, @local, @private}, &(0x7f00000002c0)=0xc) (async) getsockopt$inet6_mreq(r3, 0x29, 0x1c, &(0x7f0000000300)={@local}, &(0x7f0000000340)=0x14) (async) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000540)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000440)={0xf4, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0xf4}, 0x1, 0x0, 0x0, 0x4000000}, 0x84) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000040)={@loopback, 0x0}, &(0x7f0000000080)=0x14) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080008000000000000000c00078008000100dd2769fc18a0c911c7ebbbc1341b46a50b739ffb1f7486", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080008000000000000000c00078008000100dd2769fc18a0c911c7ebbbc1341b46a50b739ffb1f7486", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) (async) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r5, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c060000", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c060000", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) (async) 23:24:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r2, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x10048084) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) [ 2274.399797] nla_parse: 48 callbacks suppressed [ 2274.399802] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 23:24:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x259fae9acadecb2c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r3, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3c0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&#'}]}, 0x44}, 0x1, 0x0, 0x0, 0x20008000}, 0x40081) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r4, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040), 0x2, 0x9}}, 0x20) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r3, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r4, 0x1}}, 0x18) (async) write$RDMA_USER_CM_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x6, 0x118, 0xfa00, {{0x6, 0x1, "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", 0x67, 0x8, 0xfe, 0x4, 0xff, 0x8, 0x19}, r4}}, 0x120) (async) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000280)={0x0, @local, @private}, &(0x7f00000002c0)=0xc) getsockopt$inet6_mreq(r3, 0x29, 0x1c, &(0x7f0000000300)={@local, 0x0}, &(0x7f0000000340)=0x14) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000540)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000440)={0xf4, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0xf4}, 0x1, 0x0, 0x0, 0x4000000}, 0x84) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) [ 2274.440441] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 23:24:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000040)={@loopback, 0x0}, &(0x7f0000000080)=0x14) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080008000000000000000c00078008000100dd2769fc18a0c911c7ebbbc1341b46a50b739ffb1f7486", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r5, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) 23:24:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r2, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x10048084) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x259fae9acadecb2c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r3, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3c0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&#'}]}, 0x44}, 0x1, 0x0, 0x0, 0x20008000}, 0x40081) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r4, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair(0x26, 0x800, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) socketpair(0x26, 0xa, 0x20, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000700)=ANY=[@ANYBLOB="7cbab420080ce5f0fb69b73a9552c476b98eb6797d2b9d9ec5cc6d7511ab742db10c0ac818f24ec0993e81c14fb330f7517d557d23aa75cdb82056adb58a32594e37a3f2656e83d1bcc05f1ceb40e2320d2f10d5e0e2e4d5c936559891fcbebadc2da25e9034b3073b557474bcbc482a7da40d77a954ac1340d7a6023df790fafc23e05e7431206796d15063466ef393fbf178c55e5ceb5939ef5553df848b1e4212f611480c2b328dd9452280a151975b84d50e4f9715456ac625c3f52a2a722b5bef9bb89557d9be4e85196fb070ee1797aa7294d44a41e22053657cc2019eeadd904888b81efd49", @ANYRES16=r1, @ANYBLOB="00022dbd7000fddbdf25050000002400078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="0c00040001000000000000000c000600030000000000000008000a006e62640008000a006e62640008000100000000000c000800fdffffffffffffff0800010000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x2000c804}, 0x20000001) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x38}}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = socket(0xb, 0x80f, 0x7fffffff) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb0, r6, 0x300, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&,@%]/'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000004) 23:24:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r2, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x10048084) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r2, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x10048084) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (async) [ 2274.567637] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2274.602833] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x34, r1, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff50}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x800) 23:24:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x259fae9acadecb2c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r3, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3c0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&#'}]}, 0x44}, 0x1, 0x0, 0x0, 0x20008000}, 0x40081) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r4, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair(0x26, 0x800, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) socketpair(0x26, 0xa, 0x20, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000700)=ANY=[@ANYBLOB="7cbab420080ce5f0fb69b73a9552c476b98eb6797d2b9d9ec5cc6d7511ab742db10c0ac818f24ec0993e81c14fb330f7517d557d23aa75cdb82056adb58a32594e37a3f2656e83d1bcc05f1ceb40e2320d2f10d5e0e2e4d5c936559891fcbebadc2da25e9034b3073b557474bcbc482a7da40d77a954ac1340d7a6023df790fafc23e05e7431206796d15063466ef393fbf178c55e5ceb5939ef5553df848b1e4212f611480c2b328dd9452280a151975b84d50e4f9715456ac625c3f52a2a722b5bef9bb89557d9be4e85196fb070ee1797aa7294d44a41e22053657cc2019eeadd904888b81efd49", @ANYRES16=r1, @ANYBLOB="00022dbd7000fddbdf25050000002400078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="0c00040001000000000000000c000600030000000000000008000a006e62640008000a006e62640008000100000000000c000800fdffffffffffffff0800010000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x2000c804}, 0x20000001) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x38}}, 0x0) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) (async) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = socket(0xb, 0x80f, 0x7fffffff) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb0, r6, 0x300, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&,@%]/'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000004) [ 2274.716317] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2274.738424] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x34, r1, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff50}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x800) [ 2274.762383] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 23:24:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="10142200", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00080000000000000000000c00060000000000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_AGP_UNBIND(0xffffffffffffffff, 0x40106437, &(0x7f0000000000)={0x0, 0x1ff}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000080)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f00000000c0)={0x1, 0x0, 0x10003}) ioctl$DRM_IOCTL_AGP_UNBIND(r3, 0x40106437, &(0x7f0000000180)={r4, 0x3}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair(0x26, 0x800, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) socketpair(0x26, 0xa, 0x20, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000700)=ANY=[@ANYBLOB="7cbab420080ce5f0fb69b73a9552c476b98eb6797d2b9d9ec5cc6d7511ab742db10c0ac818f24ec0993e81c14fb330f7517d557d23aa75cdb82056adb58a32594e37a3f2656e83d1bcc05f1ceb40e2320d2f10d5e0e2e4d5c936559891fcbebadc2da25e9034b3073b557474bcbc482a7da40d77a954ac1340d7a6023df790fafc23e05e7431206796d15063466ef393fbf178c55e5ceb5939ef5553df848b1e4212f611480c2b328dd9452280a151975b84d50e4f9715456ac625c3f52a2a722b5bef9bb89557d9be4e85196fb070ee1797aa7294d44a41e22053657cc2019eeadd904888b81efd49", @ANYRES16=r1, @ANYBLOB="00022dbd7000fddbdf25050000002400078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="0c00040001000000000000000c000600030000000000000008000a006e62640008000a006e62640008000100000000000c000800fdffffffffffffff0800010000000000"], 0x7c}, 0x1, 0x0, 0x0, 0x2000c804}, 0x20000001) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x38}}, 0x0) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) (async) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = socket(0xb, 0x80f, 0x7fffffff) (async) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb0, r6, 0x300, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&,@%]/'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '+'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000004) [ 2274.803892] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 23:24:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="10142200", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00080000000000000000000c00060000000000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_AGP_UNBIND(0xffffffffffffffff, 0x40106437, &(0x7f0000000000)={0x0, 0x1ff}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000080)={0x0, 0x80000, 0xffffffffffffffff}) (async, rerun: 64) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f00000000c0)={0x1, 0x0, 0x10003}) (rerun: 64) ioctl$DRM_IOCTL_AGP_UNBIND(r3, 0x40106437, &(0x7f0000000180)={r4, 0x3}) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x34, r1, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff50}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x800) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80003000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x58, r1, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '$*\xaa/,^:\\-\'.'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x8001}, 0x0) [ 2274.890109] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2274.906460] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="10142200", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00080000000000000000000c00060000000000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80003000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x58, r1, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '$*\xaa/,^:\\-\'.'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x8001}, 0x0) 23:24:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_AGP_UNBIND(0xffffffffffffffff, 0x40106437, &(0x7f0000000000)={0x0, 0x1ff}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000080)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f00000000c0)={0x1, 0x0, 0x10003}) ioctl$DRM_IOCTL_AGP_UNBIND(r3, 0x40106437, &(0x7f0000000180)={r4, 0x3}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$DRM_IOCTL_AGP_UNBIND(0xffffffffffffffff, 0x40106437, &(0x7f0000000000)={0x0, 0x1ff}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000080)={0x0, 0x80000}) (async) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f00000000c0)={0x1, 0x0, 0x10003}) (async) ioctl$DRM_IOCTL_AGP_UNBIND(r3, 0x40106437, &(0x7f0000000180)={r4, 0x3}) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 23:24:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000080)={0x5, 0x0, 0x2}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="1400b198d35752cbb029a8050000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 23:24:23 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYRES16=r0, @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80003000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x58, r1, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '$*\xaa/,^:\\-\'.'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x8001}, 0x0) 23:24:23 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYRES16=r0, @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYRES16=r0, @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000080)={0x5, 0x0, 0x2}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="1400b198d35752cbb029a8050000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 23:24:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) inotify_rm_watch(0xffffffffffffffff, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301001e002000000000373b00007a704d1a00000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000800}, 0x80) 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)={0x14, r1, 0x4, 0x800, 0x3}, 0x14}, 0x1, 0x0, 0x0, 0x20004040}, 0x4000000) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) inotify_rm_watch(0xffffffffffffffff, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301001e002000000000373b00007a704d1a00000000"], 0x1c}}, 0x0) (rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000800}, 0x80) 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:23 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYRES16=r0, @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:23 executing program 1: 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$nbd(&(0x7f00000006c0), r1) inotify_rm_watch(0xffffffffffffffff, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301001e002000000000373b00007a704d1a00000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000800}, 0x80) 23:24:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000080)={0x5, 0x0, 0x2}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="1400b198d35752cbb029a8050000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="1400b198d35752cbb029a8050000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)={0x14, r1, 0x4, 0x800, 0x3}, 0x14}, 0x1, 0x0, 0x0, 0x20004040}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)={0x14, r1, 0x4, 0x800, 0x3}, 0x14}, 0x1, 0x0, 0x0, 0x20004040}, 0x4000000) 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3cfd6d0be00f3e4a000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:23 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 23:24:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) syz_genetlink_get_family_id$team(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000200000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)={0x14, r1, 0x4, 0x800, 0x3}, 0x14}, 0x1, 0x0, 0x0, 0x20004040}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)={0x14, r1, 0x4, 0x800, 0x3}, 0x14}, 0x1, 0x0, 0x0, 0x20004040}, 0x4000000) (async) 23:24:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3cfd6d0be00f3e4a000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) syz_genetlink_get_family_id$team(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000200000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="3cfd6d0be00f3e4a000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r1, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\"\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060001000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) 23:24:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="03010000000600000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) syz_genetlink_get_family_id$team(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000200000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\"\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060001000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="03010000000600000000050000000800010000000000"], 0x1c}}, 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$nbd(&(0x7f00000006c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="03010000000600000000050000000800010000000000"], 0x1c}}, 0x0) (async) 23:24:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r4, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r4, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r5}, 0x60) write$FUSE_STATFS(r3, &(0x7f0000000040)={0x60, 0x0, r5, {{0x3, 0x4e2, 0x3, 0x287, 0x1f, 0x4, 0x9, 0x1}}}, 0x60) 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='<\"\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00060001000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) 23:24:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) 23:24:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) r4 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r4, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r4, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r5}, 0x60) (async) write$FUSE_STATFS(r3, &(0x7f0000000040)={0x60, 0x0, r5, {{0x3, 0x4e2, 0x3, 0x287, 0x1f, 0x4, 0x9, 0x1}}}, 0x60) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x4c, r3, 0x2, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2b7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ':\xe5'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x880}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='=\x00\x00\x00', @ANYRESHEX=r0, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x8, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4010) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) socketpair(0x26, 0x3, 0x5, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000240), 0x101000, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r7, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x60}}, 0x40090) 23:24:24 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$nbd(&(0x7f00000006c0), r1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="03010000000600000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) (async) 23:24:24 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) read$FUSE(r4, &(0x7f0000002740)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r4, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r5}, 0x60) write$FUSE_STATFS(r3, &(0x7f0000000040)={0x60, 0x0, r5, {{0x3, 0x4e2, 0x3, 0x287, 0x1f, 0x4, 0x9, 0x1}}}, 0x60) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) openat$cuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) read$FUSE(r4, &(0x7f0000002740)={0x2020}, 0x2020) (async) write$FUSE_STATFS(r4, &(0x7f0000000040)={0x60, 0xfffffffffffffff5, r5}, 0x60) (async) write$FUSE_STATFS(r3, &(0x7f0000000040)={0x60, 0x0, r5, {{0x3, 0x4e2, 0x3, 0x287, 0x1f, 0x4, 0x9, 0x1}}}, 0x60) (async) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x4c, r3, 0x2, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2b7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ':\xe5'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x880}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='=\x00\x00\x00', @ANYRESHEX=r0, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x8, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4010) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async, rerun: 64) socketpair(0x26, 0x3, 0x5, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 64) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000240), 0x101000, 0x0) (async) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r7, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x60}}, 0x40090) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="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"], 0x38}}, 0x0) 23:24:24 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="030100000000000000000500000008000100000000007d4e4405acdfb872384374ae172665c6d075a2ff96b396ef43dee60458fe05b5648f2a8337756c872845e0eb347aacdf57ac6d2e30d8c359be2e93dffbe9b3d536c5c37fe919d0ecd754b699ea8c7a9ed8afc7575e7e446f3b76cb829bb1ee0fe69885ba4ddd7c19d2b74e98db9ce53b36cd48d7"], 0x1c}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f00000002c0)={@private1, 0x0}, &(0x7f0000000300)=0x14) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f0000000340)={@loopback, 0x0}, &(0x7f0000000380)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000003c0)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r4, &(0x7f0000000600)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000005c0)={&(0x7f0000000400)={0x160, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x41d96c646fb2ed2d}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}]}, @HEADER={0x50, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_batadv\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x160}, 0x1, 0x0, 0x0, 0x20000804}, 0x10) ioctl$DRM_IOCTL_MODE_SETPROPERTY(r4, 0xc01064ab, &(0x7f0000000040)={0x80000000, 0x5, 0x8}) 23:24:24 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r0, 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040)={0xffffffffffffffff}, 0x106, 0x4}}, 0x20) write$RDMA_USER_CM_CMD_DISCONNECT(r0, &(0x7f0000000100)={0xa, 0x4, 0xfa00, {r1}}, 0xc) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) getsockopt$WPAN_SECURITY(r3, 0x0, 0x1, &(0x7f0000000340), &(0x7f0000000380)=0x4) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r5, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x400c0}, 0x84) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000140), 0x103400, 0x0) write$RDMA_USER_CM_CMD_DESTROY_ID(r7, &(0x7f00000001c0)={0x1, 0x10, 0xfa00, {&(0x7f0000000180), r1}}, 0x18) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r9, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) write$RDMA_USER_CM_CMD_CREATE_ID(r9, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r10, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r0, &(0x7f0000000440)={0x5, 0x10, 0xfa00, {&(0x7f0000000700), r10}}, 0x18) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x38}}, 0x0) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x4c, r3, 0x2, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2b7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ':\xe5'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x880}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='=\x00\x00\x00', @ANYRESHEX=r0, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x8, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x4010) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r6) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async, rerun: 64) socketpair(0x26, 0x3, 0x5, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 64) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000240), 0x101000, 0x0) (async) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x60, r7, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x60}}, 0x40090) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) 23:24:24 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r0, 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040)={0xffffffffffffffff}, 0x106, 0x4}}, 0x20) write$RDMA_USER_CM_CMD_DISCONNECT(r0, &(0x7f0000000100)={0xa, 0x4, 0xfa00, {r1}}, 0xc) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) getsockopt$WPAN_SECURITY(r3, 0x0, 0x1, &(0x7f0000000340), &(0x7f0000000380)=0x4) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r5, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x400c0}, 0x84) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) (async) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000140), 0x103400, 0x0) write$RDMA_USER_CM_CMD_DESTROY_ID(r7, &(0x7f00000001c0)={0x1, 0x10, 0xfa00, {&(0x7f0000000180), r1}}, 0x18) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r9, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r9, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r10, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r0, &(0x7f0000000440)={0x5, 0x10, 0xfa00, {&(0x7f0000000700), r10}}, 0x18) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x38}}, 0x0) 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x68, r4, 0x504, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x659}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0xc001}, 0x1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="3200b5a3539849e577925330ed2340bbccfd58c8ed7566559270b273767c8067bc44defa2e110a", @ANYRES16=r1, @ANYBLOB="00020000000000000000010000000c00020001000000000000000000030000020000000000000c000780"], 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x24, 0x1407, 0x28, 0x70bd2a, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz1\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000814}, 0x8850) 23:24:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="030100000000000000000500000008000100000000007d4e4405acdfb872384374ae172665c6d075a2ff96b396ef43dee60458fe05b5648f2a8337756c872845e0eb347aacdf57ac6d2e30d8c359be2e93dffbe9b3d536c5c37fe919d0ecd754b699ea8c7a9ed8afc7575e7e446f3b76cb829bb1ee0fe69885ba4ddd7c19d2b74e98db9ce53b36cd48d7"], 0x1c}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f00000002c0)={@private1, 0x0}, &(0x7f0000000300)=0x14) (async, rerun: 64) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f0000000340)={@loopback, 0x0}, &(0x7f0000000380)=0x14) (async, rerun: 64) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000003c0)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r4, &(0x7f0000000600)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000005c0)={&(0x7f0000000400)={0x160, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x41d96c646fb2ed2d}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}]}, @HEADER={0x50, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_batadv\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x160}, 0x1, 0x0, 0x0, 0x20000804}, 0x10) (async) ioctl$DRM_IOCTL_MODE_SETPROPERTY(r4, 0xc01064ab, &(0x7f0000000040)={0x80000000, 0x5, 0x8}) 23:24:24 executing program 5: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r0, 0x0, 0x0) (async) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000040)={0xffffffffffffffff}, 0x106, 0x4}}, 0x20) write$RDMA_USER_CM_CMD_DISCONNECT(r0, &(0x7f0000000100)={0xa, 0x4, 0xfa00, {r1}}, 0xc) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) getsockopt$WPAN_SECURITY(r3, 0x0, 0x1, &(0x7f0000000340), &(0x7f0000000380)=0x4) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r5, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x400c0}, 0x84) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) (async) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000000140), 0x103400, 0x0) write$RDMA_USER_CM_CMD_DESTROY_ID(r7, &(0x7f00000001c0)={0x1, 0x10, 0xfa00, {&(0x7f0000000180), r1}}, 0x18) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) accept4$netrom(r9, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x400) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r9, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r10, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r0, &(0x7f0000000440)={0x5, 0x10, 0xfa00, {&(0x7f0000000700), r10}}, 0x18) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}]}, 0x38}}, 0x0) 23:24:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) [ 2276.404659] nbd: must specify at least one socket 23:24:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x68, r4, 0x504, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x659}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0xc001}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="3200b5a3539849e577925330ed2340bbccfd58c8ed7566559270b273767c8067bc44defa2e110a", @ANYRES16=r1, @ANYBLOB="00020000000000000000010000000c00020001000000000000000000030000020000000000000c000780"], 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x24, 0x1407, 0x28, 0x70bd2a, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz1\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000814}, 0x8850) 23:24:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 23:24:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="030100000000000000000500000008000100000000007d4e4405acdfb872384374ae172665c6d075a2ff96b396ef43dee60458fe05b5648f2a8337756c872845e0eb347aacdf57ac6d2e30d8c359be2e93dffbe9b3d536c5c37fe919d0ecd754b699ea8c7a9ed8afc7575e7e446f3b76cb829bb1ee0fe69885ba4ddd7c19d2b74e98db9ce53b36cd48d7"], 0x1c}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f00000002c0)={@private1, 0x0}, &(0x7f0000000300)=0x14) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f0000000340)={@loopback, 0x0}, &(0x7f0000000380)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000003c0)={'team0\x00', 0x0}) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r4, &(0x7f0000000600)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000005c0)={&(0x7f0000000400)={0x160, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x41d96c646fb2ed2d}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}]}, @HEADER={0x50, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_batadv\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x160}, 0x1, 0x0, 0x0, 0x20000804}, 0x10) ioctl$DRM_IOCTL_MODE_SETPROPERTY(r4, 0xc01064ab, &(0x7f0000000040)={0x80000000, 0x5, 0x8}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="030100000000000000000500000008000100000000007d4e4405acdfb872384374ae172665c6d075a2ff96b396ef43dee60458fe05b5648f2a8337756c872845e0eb347aacdf57ac6d2e30d8c359be2e93dffbe9b3d536c5c37fe919d0ecd754b699ea8c7a9ed8afc7575e7e446f3b76cb829bb1ee0fe69885ba4ddd7c19d2b74e98db9ce53b36cd48d7"], 0x1c}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f00000002c0)={@private1}, &(0x7f0000000300)=0x14) (async) getsockopt$inet6_mreq(r4, 0x29, 0x1c, &(0x7f0000000340)={@loopback}, &(0x7f0000000380)=0x14) (async) ioctl$ifreq_SIOCGIFINDEX_team(r4, 0x8933, &(0x7f00000003c0)) (async) sendmsg$ETHTOOL_MSG_LINKSTATE_GET(r4, &(0x7f0000000600)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000005c0)={&(0x7f0000000400)={0x160, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x41d96c646fb2ed2d}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x68, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}]}, @HEADER={0x50, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_batadv\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}]}]}, 0x160}, 0x1, 0x0, 0x0, 0x20000804}, 0x10) (async) ioctl$DRM_IOCTL_MODE_SETPROPERTY(r4, 0xc01064ab, &(0x7f0000000040)={0x80000000, 0x5, 0x8}) (async) 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) [ 2276.523613] nbd: must specify at least one socket 23:24:25 executing program 5: read$dsp(0xffffffffffffffff, &(0x7f0000000040)=""/24, 0x18) r0 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000080), 0x40, 0x0) ioctl$SNDCTL_DSP_RESET(r0, 0x5000, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) ioctl$SNDCTL_DSP_STEREO(r1, 0xc0045003, &(0x7f0000000140)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="c16e21e8244121da08097745f45284068a107c000020c5"], 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES32=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000079d282500780"], 0x30}}, 0x4805) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x68, r4, 0x504, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x659}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0xc001}, 0x1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="3200b5a3539849e577925330ed2340bbccfd58c8ed7566559270b273767c8067bc44defa2e110a", @ANYRES16=r1, @ANYBLOB="00020000000000000000010000000c00020001000000000000000000030000020000000000000c000780"], 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x24, 0x1407, 0x28, 0x70bd2a, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz1\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000814}, 0x8850) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x68, r4, 0x504, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x659}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0xc001}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="3200b5a3539849e577925330ed2340bbccfd58c8ed7566559270b273767c8067bc44defa2e110a", @ANYRES16=r1, @ANYBLOB="00020000000000000000010000000c00020001000000000000000000030000020000000000000c000780"], 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x24, 0x1407, 0x28, 0x70bd2a, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz1\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000814}, 0x8850) (async) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:25 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$nbd(&(0x7f00000006c0), r1) ioctl$DRM_IOCTL_AGP_ACQUIRE(0xffffffffffffffff, 0x6430) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301002709d1ba000000050000000800010000000000"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000240)={&(0x7f0000003ec0)={0x14, r4, 0x100, 0x0, 0x25dfdbfd}, 0x14}}, 0xa4) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r4, 0x200, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x74}, 0x1, 0x0, 0x0, 0x20080080}, 0x4000) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 2276.634491] nbd: must specify at least one socket 23:24:25 executing program 5: read$dsp(0xffffffffffffffff, &(0x7f0000000040)=""/24, 0x18) r0 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000080), 0x40, 0x0) ioctl$SNDCTL_DSP_RESET(r0, 0x5000, 0x0) (async) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) (async, rerun: 32) ioctl$SNDCTL_DSP_STEREO(r1, 0xc0045003, &(0x7f0000000140)) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async, rerun: 64) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (rerun: 64) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="c16e21e8244121da08097745f45284068a107c000020c5"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES32=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000079d282500780"], 0x30}}, 0x4805) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 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$nbd(&(0x7f00000006c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) syz_genetlink_get_family_id$team(&(0x7f00000001c0), r3) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040), 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x7c, r1, 0x600, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0xab218d0412ba6963}, 0x24004) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000e20c00080000000000000100000000000000000100", @ANYRES32=r6, @ANYBLOB], 0x38}}, 0x0) 23:24:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) ioctl$DRM_IOCTL_AGP_ACQUIRE(0xffffffffffffffff, 0x6430) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301002709d1ba000000050000000800010000000000"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000240)={&(0x7f0000003ec0)={0x14, r4, 0x100, 0x0, 0x25dfdbfd}, 0x14}}, 0xa4) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r4, 0x200, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x74}, 0x1, 0x0, 0x0, 0x20080080}, 0x4000) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000040)={0x80000000, &(0x7f0000000000), &(0x7f0000000100)=[{{0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_ENTITIES(0xffffffffffffffff, 0xc1007c01, &(0x7f0000000180)={r1}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="47d8f999c7be3bde1149c6756f55d9162c004f1d", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) mmap$dsp(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x92e476c3825d8766, 0x40010, 0xffffffffffffffff, 0x0) 23:24:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2276.794482] nbd: must specify at least one socket 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) syz_genetlink_get_family_id$team(&(0x7f00000001c0), r3) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040), 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x7c, r1, 0x600, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0xab218d0412ba6963}, 0x24004) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000e20c00080000000000000100000000000000000100", @ANYRES32=r6, @ANYBLOB], 0x38}}, 0x0) 23:24:25 executing program 5: read$dsp(0xffffffffffffffff, &(0x7f0000000040)=""/24, 0x18) (async) r0 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000080), 0x40, 0x0) ioctl$SNDCTL_DSP_RESET(r0, 0x5000, 0x0) (async) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) ioctl$SNDCTL_DSP_STEREO(r1, 0xc0045003, &(0x7f0000000140)) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="c16e21e8244121da08097745f45284068a107c000020c5"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES32=r3, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000079d282500780"], 0x30}}, 0x4805) 23:24:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) ioctl$DRM_IOCTL_AGP_ACQUIRE(0xffffffffffffffff, 0x6430) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301002709d1ba000000050000000800010000000000"], 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000240)={&(0x7f0000003ec0)={0x14, r4, 0x100, 0x0, 0x25dfdbfd}, 0x14}}, 0xa4) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r4, 0x200, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x74}, 0x1, 0x0, 0x0, 0x20080080}, 0x4000) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000040)={0x80000000, &(0x7f0000000000), &(0x7f0000000100)=[{{0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_ENTITIES(0xffffffffffffffff, 0xc1007c01, &(0x7f0000000180)={r1}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="47d8f999c7be3bde1149c6756f55d9162c004f1d", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) mmap$dsp(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x92e476c3825d8766, 0x40010, 0xffffffffffffffff, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000040)={0x80000000, &(0x7f0000000000), &(0x7f0000000100)}) (async) ioctl$MEDIA_IOC_ENUM_ENTITIES(0xffffffffffffffff, 0xc1007c01, &(0x7f0000000180)={r1}) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="47d8f999c7be3bde1149c6756f55d9162c004f1d", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) (async) mmap$dsp(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x92e476c3825d8766, 0x40010, 0xffffffffffffffff, 0x0) (async) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) syz_genetlink_get_family_id$team(&(0x7f00000001c0), r3) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040), 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x7c, r1, 0x600, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0xab218d0412ba6963}, 0x24004) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000e20c00080000000000000100000000000000000100", @ANYRES32=r6, @ANYBLOB], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) syz_genetlink_get_family_id$team(&(0x7f00000001c0), r3) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040), 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x7c, r1, 0x600, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0xab218d0412ba6963}, 0x24004) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000e20c00080000000000000100000000000000000100", @ANYRES32=r6, @ANYBLOB], 0x38}}, 0x0) (async) [ 2276.903105] nbd: must specify at least one socket 23:24:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:25 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000040)={0x80000000, &(0x7f0000000000), &(0x7f0000000100)=[{{0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_ENTITIES(0xffffffffffffffff, 0xc1007c01, &(0x7f0000000180)={r1}) (async) ioctl$MEDIA_IOC_ENUM_ENTITIES(0xffffffffffffffff, 0xc1007c01, &(0x7f0000000180)={r1}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="47d8f999c7be3bde1149c6756f55d9162c004f1d", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00040000000000000000000c00020000004000000000000c000500000000000000000004000780"], 0x3c}}, 0x0) mmap$dsp(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x92e476c3825d8766, 0x40010, 0xffffffffffffffff, 0x0) 23:24:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r1, &(0x7f0000000080)={0xb, 0x10, 0xfa00, {&(0x7f0000000240)}}, 0x18) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r5, &(0x7f0000000280)=""/24, 0x18) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYRES64=r3, @ANYRESHEX=r5, @ANYBLOB="36fce4373c4acf9965155ba424a8aa66cf3315273f5c760b", @ANYRES32=r2, @ANYRES64=r5, @ANYRESOCT=r1, @ANYRES32=r3, @ANYRES64=r2, @ANYRES32=r3], 0x38}}, 0x0) r7 = getpgrp(0xffffffffffffffff) write$FUSE_LK(r1, &(0x7f0000000180)={0x28, 0xfffffffffffffffe, 0x0, {{0x1, 0x10000, 0x3, r7}}}, 0x28) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:25 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40008000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x20}}, 0x40801) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2276.937375] nbd: must specify a size in bytes for the device [ 2276.964671] nbd: must specify at least one socket 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xac201, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x44, r7, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000000}, 0x820) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xc8, r4, 0x4, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa97}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}]}, 0xc8}}, 0x400b4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}]}]}, 0x38}}, 0x0) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r3, 0x800, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}]}, 0x38}, 0x1, 0x0, 0x0, 0x8}, 0x4004080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:25 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40008000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x20}}, 0x40801) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2277.047766] nbd: must specify a size in bytes for the device 23:24:25 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r1, &(0x7f0000000080)={0xb, 0x10, 0xfa00, {&(0x7f0000000240)}}, 0x18) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) (async) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r5, &(0x7f0000000280)=""/24, 0x18) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYRES64=r3, @ANYRESHEX=r5, @ANYBLOB="36fce4373c4acf9965155ba424a8aa66cf3315273f5c760b", @ANYRES32=r2, @ANYRES64=r5, @ANYRESOCT=r1, @ANYRES32=r3, @ANYRES64=r2, @ANYRES32=r3], 0x38}}, 0x0) r7 = getpgrp(0xffffffffffffffff) write$FUSE_LK(r1, &(0x7f0000000180)={0x28, 0xfffffffffffffffe, 0x0, {{0x1, 0x10000, 0x3, r7}}}, 0x28) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xac201, 0x0) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x44, r7, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000000}, 0x820) (async) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xc8, r4, 0x4, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa97}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}]}, 0xc8}}, 0x400b4) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}]}]}, 0x38}}, 0x0) 23:24:25 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40008000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x20}}, 0x40801) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40008000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x20}}, 0x40801) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r2, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r3, 0x800, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}]}, 0x38}, 0x1, 0x0, 0x0, 0x8}, 0x4004080) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) ioctl$DRM_IOCTL_AGP_ACQUIRE(0xffffffffffffffff, 0x6430) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301002709d1ba000000050000000800010000000000"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000240)={&(0x7f0000003ec0)={0x14, r4, 0x100, 0x0, 0x25dfdbfd}, 0x14}}, 0xa4) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r4, 0x200, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x74}, 0x1, 0x0, 0x0, 0x20080080}, 0x4000) 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2277.144122] nbd: must specify a size in bytes for the device 23:24:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r1, &(0x7f0000000080)={0xb, 0x10, 0xfa00, {&(0x7f0000000240)}}, 0x18) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) (async) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r5, &(0x7f0000000280)=""/24, 0x18) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYRES64=r3, @ANYRESHEX=r5, @ANYBLOB="36fce4373c4acf9965155ba424a8aa66cf3315273f5c760b", @ANYRES32=r2, @ANYRES64=r5, @ANYRESOCT=r1, @ANYRES32=r3, @ANYRES64=r2, @ANYRES32=r3], 0x38}}, 0x0) r7 = getpgrp(0xffffffffffffffff) write$FUSE_LK(r1, &(0x7f0000000180)={0x28, 0xfffffffffffffffe, 0x0, {{0x1, 0x10000, 0x3, r7}}}, 0x28) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xac201, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0xac201, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x44, r7, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000000}, 0x820) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xc8, r4, 0x4, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\'}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa97}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}]}, 0xc8}}, 0x400b4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}]}]}, 0x38}}, 0x0) 23:24:25 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="070000dae8375f"], 0x1c}}, 0x0) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x1407, 0x4, 0x70bd2c, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz2\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x20040880) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r3, 0x800, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}]}, 0x38}, 0x1, 0x0, 0x0, 0x8}, 0x4004080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000c0eb68afc650fc90000000000000000000c00080000deffffffffffff0b00077208000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:25 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="070000dae8375f"], 0x1c}}, 0x0) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x1407, 0x4, 0x70bd2c, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz2\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x20040880) [ 2277.322701] nbd: must specify at least one socket 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r2, 0xd02, 0x70bd2b, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x40010}, 0x2004c081) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000c0eb68afc650fc90000000000000000000c00080000deffffffffffff0b00077208000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:25 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="070000dae8375f"], 0x1c}}, 0x0) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x1407, 0x4, 0x70bd2c, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz2\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x20040880) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="070000dae8375f"], 0x1c}}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x1407, 0x4, 0x70bd2c, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz2\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x20040880) (async) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3be5c637261ce86d27dd45ff0efe0cc1aa2068ed12a8fa8a913d3dc34f8997080e6df7453bf1386237a5cd438ade1b46ccb167f6dba5bcd7294a97d4e679f03aa28366c432cfa51a7e66dec5a47a98905a9bf45f232b21ad28a0ba315eab4e8e5236b5d9f5fe5a15906465f3205d8530b024de90f730de43f4f6f50aa2853e6a92952c9e09126ed7546f2e0cee00d31fc9022cfb9c44340065c9a218ad85c83d8efcad0010969e8c3540dd19cd391cdb60845f5bd2f38a"], 0x3c}, 0x1, 0x0, 0x0, 0x20040000}, 0x80) 23:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r2, 0xd02, 0x70bd2b, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x40010}, 0x2004c081) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000c0eb68afc650fc90000000000000000000c00080000deffffffffffff0b00077208000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="18d2208d", @ANYRES16=r2, @ANYBLOB="00022bbd700000000000050000000c0002000700000000000000"], 0x20}, 0x1, 0x0, 0x0, 0xf4f77ad3abf2e53f}, 0x8c001) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r4 = openat$null(0xffffffffffffff9c, &(0x7f00000003c0), 0x6c6000, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = socket(0x8, 0x5, 0x9) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000540)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000400)={0xc4, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '/dev/vcs\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xba3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x840}, 0x40) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r10 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r14 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r14, 0x0, 0x0) r15 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r15, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x74, r10, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9c}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe6}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x5) 23:24:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3be5c637261ce86d27dd45ff0efe0cc1aa2068ed12a8fa8a913d3dc34f8997080e6df7453bf1386237a5cd438ade1b46ccb167f6dba5bcd7294a97d4e679f03aa28366c432cfa51a7e66dec5a47a98905a9bf45f232b21ad28a0ba315eab4e8e5236b5d9f5fe5a15906465f3205d8530b024de90f730de43f4f6f50aa2853e6a92952c9e09126ed7546f2e0cee00d31fc9022cfb9c44340065c9a218ad85c83d8efcad0010969e8c3540dd19cd391cdb60845f5bd2f38a"], 0x3c}, 0x1, 0x0, 0x0, 0x20040000}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3be5c637261ce86d27dd45ff0efe0cc1aa2068ed12a8fa8a913d3dc34f8997080e6df7453bf1386237a5cd438ade1b46ccb167f6dba5bcd7294a97d4e679f03aa28366c432cfa51a7e66dec5a47a98905a9bf45f232b21ad28a0ba315eab4e8e5236b5d9f5fe5a15906465f3205d8530b024de90f730de43f4f6f50aa2853e6a92952c9e09126ed7546f2e0cee00d31fc9022cfb9c44340065c9a218ad85c83d8efcad0010969e8c3540dd19cd391cdb60845f5bd2f38a"], 0x3c}, 0x1, 0x0, 0x0, 0x20040000}, 0x80) (async) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3be5c637261ce86d27dd45ff0efe0cc1aa2068ed12a8fa8a913d3dc34f8997080e6df7453bf1386237a5cd438ade1b46ccb167f6dba5bcd7294a97d4e679f03aa28366c432cfa51a7e66dec5a47a98905a9bf45f232b21ad28a0ba315eab4e8e5236b5d9f5fe5a15906465f3205d8530b024de90f730de43f4f6f50aa2853e6a92952c9e09126ed7546f2e0cee00d31fc9022cfb9c44340065c9a218ad85c83d8efcad0010969e8c3540dd19cd391cdb60845f5bd2f38a"], 0x3c}, 0x1, 0x0, 0x0, 0x20040000}, 0x80) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r2, 0xd02, 0x70bd2b, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x40010}, 0x2004c081) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="18d2208d", @ANYRES16=r2, @ANYBLOB="00022bbd700000000000050000000c0002000700000000000000"], 0x20}, 0x1, 0x0, 0x0, 0xf4f77ad3abf2e53f}, 0x8c001) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) r4 = openat$null(0xffffffffffffff9c, &(0x7f00000003c0), 0x6c6000, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async) r7 = socket(0x8, 0x5, 0x9) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000540)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000400)={0xc4, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '/dev/vcs\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xba3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x840}, 0x40) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) (async) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) (async) r14 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r14, 0x0, 0x0) (async) r15 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r15, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x74, r10, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9c}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe6}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x5) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="1a000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r3, @ANYBLOB="b5a9"], 0x38}}, 0x0) write$RDMA_USER_CM_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000080)={0x6, 0x118, 0xfa00, {{0x1, 0x3, "ff9e66cd0f901b5a4b8dd99600317ea257c73648062fe5976b8d07b4fe03476a8b9f7518a49b8a14eed11d4bfa5130fe2aa3f184181854e8090c841e03323458a44964bda6eac89aed0ef70a3c63bc12d5a94dc1ec8c3dc2a38e7147f4f584370152f51498807ee491ac2fc05fe179ab36b9476d6228937665accea52d83c450ec6c886a6c4699429efb8ff3d083be5f87ba5ed8b9999c550e0c8924c14ad2d88f0083d9cafbfb883f4e3eaa8e182479a27b57a9fd21fb137a008a7df7de99f97fa094b6e922e51097662f76d04c25770ff4237d95e3653b7b58040994da77f51b19564966d95d09eecdc03722f91b903fbcddb16b205394e95013e87e2a3152", 0x8, 0x1f, 0x8, 0x1f, 0x6, 0x9, 0x80, 0x1}}}, 0x120) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r3, &(0x7f0000000280)=""/24, 0x18) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r4, &(0x7f0000000280)=""/24, 0x18) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3be5c637261ce86d27dd45ff0efe0cc1aa2068ed12a8fa8a913d3dc34f8997080e6df7453bf1386237a5cd438ade1b46ccb167f6dba5bcd7294a97d4e679f03aa28366c432cfa51a7e66dec5a47a98905a9bf45f232b21ad28a0ba315eab4e8e5236b5d9f5fe5a15906465f3205d8530b024de90f730de43f4f6f50aa2853e6a92952c9e09126ed7546f2e0cee00d31fc9022cfb9c44340065c9a218ad85c83d8efcad0010969e8c3540dd19cd391cdb60845f5bd2f38a"], 0x3c}, 0x1, 0x0, 0x0, 0x20040000}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="3be5c637261ce86d27dd45ff0efe0cc1aa2068ed12a8fa8a913d3dc34f8997080e6df7453bf1386237a5cd438ade1b46ccb167f6dba5bcd7294a97d4e679f03aa28366c432cfa51a7e66dec5a47a98905a9bf45f232b21ad28a0ba315eab4e8e5236b5d9f5fe5a15906465f3205d8530b024de90f730de43f4f6f50aa2853e6a92952c9e09126ed7546f2e0cee00d31fc9022cfb9c44340065c9a218ad85c83d8efcad0010969e8c3540dd19cd391cdb60845f5bd2f38a"], 0x3c}, 0x1, 0x0, 0x0, 0x20040000}, 0x80) 23:24:26 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="1a000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r3, @ANYBLOB="b5a9"], 0x38}}, 0x0) (async) write$RDMA_USER_CM_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000080)={0x6, 0x118, 0xfa00, {{0x1, 0x3, "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", 0x8, 0x1f, 0x8, 0x1f, 0x6, 0x9, 0x80, 0x1}}}, 0x120) [ 2277.656218] nbd: must specify at least one socket 23:24:26 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000050}, 0x48004) 23:24:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="18d2208d", @ANYRES16=r2, @ANYBLOB="00022bbd700000000000050000000c0002000700000000000000"], 0x20}, 0x1, 0x0, 0x0, 0xf4f77ad3abf2e53f}, 0x8c001) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r4 = openat$null(0xffffffffffffff9c, &(0x7f00000003c0), 0x6c6000, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async) r7 = socket(0x8, 0x5, 0x9) (async) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000540)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000400)={0xc4, 0x0, 0x2, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '/dev/vcs\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xba3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x840}, 0x40) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r10 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) (async) r11 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) (async) r14 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r14, 0x0, 0x0) r15 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r15, 0x0, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x74, r10, 0x800, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9c}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe6}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x5) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:26 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$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="1a000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r3, @ANYBLOB="b5a9"], 0x38}}, 0x0) write$RDMA_USER_CM_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000080)={0x6, 0x118, 0xfa00, {{0x1, 0x3, "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", 0x8, 0x1f, 0x8, 0x1f, 0x6, 0x9, 0x80, 0x1}}}, 0x120) [ 2277.730391] nbd: must specify at least one socket 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000050}, 0x48004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000050}, 0x48004) (async) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000050}, 0x48004) 23:24:26 executing program 1: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r2 = accept4$netrom(r1, 0x0, &(0x7f00000001c0), 0x80800) accept4$netrom(r2, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x80400) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) ioctl$SNDCTL_DSP_SETFMT(r1, 0xc0045005, &(0x7f0000000200)=0x2) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r3, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r0, &(0x7f00000000c0)={0x10, 0x30, 0xfa00, {&(0x7f0000000080), 0x4, {0xa, 0x4e21, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}, 0x7}, r3}}, 0x38) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f00000006c0), r5) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2277.864091] nbd: must specify at least one socket 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x80, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000000}]}, 0x80}, 0x1, 0x0, 0x0, 0x4008804}, 0x800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0xffffff9f, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 23:24:26 executing program 1: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r2 = accept4$netrom(r1, 0x0, &(0x7f00000001c0), 0x80800) accept4$netrom(r2, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x80400) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) ioctl$SNDCTL_DSP_SETFMT(r1, 0xc0045005, &(0x7f0000000200)=0x2) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r3, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r0, &(0x7f00000000c0)={0x10, 0x30, 0xfa00, {&(0x7f0000000080), 0x4, {0xa, 0x4e21, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}, 0x7}, r3}}, 0x38) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r5) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) accept4$netrom(r1, 0x0, &(0x7f00000001c0), 0x80800) (async) accept4$netrom(r2, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x80400) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00), 0x111}}, 0x20) (async) ioctl$SNDCTL_DSP_SETFMT(r1, 0xc0045005, &(0x7f0000000200)=0x2) (async) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r3, 0x1}}, 0x18) (async) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r0, &(0x7f00000000c0)={0x10, 0x30, 0xfa00, {&(0x7f0000000080), 0x4, {0xa, 0x4e21, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}, 0x7}, r3}}, 0x38) (async) syz_init_net_socket$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$nbd(&(0x7f00000006c0), r5) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x80, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000000}]}, 0x80}, 0x1, 0x0, 0x0, 0x4008804}, 0x800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0xffffff9f, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0xffffff9f, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0xffffff9f, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) (async) 23:24:26 executing program 1: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r2 = accept4$netrom(r1, 0x0, &(0x7f00000001c0), 0x80800) accept4$netrom(r2, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x80400) (async) accept4$netrom(r2, &(0x7f0000000100)={{}, [@bcast, @null, @remote, @default, @null, @bcast, @netrom, @null]}, &(0x7f0000000180)=0x48, 0x80400) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000001b40)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000001b00)={0xffffffffffffffff}, 0x111}}, 0x20) ioctl$SNDCTL_DSP_SETFMT(r1, 0xc0045005, &(0x7f0000000200)=0x2) write$RDMA_USER_CM_CMD_QUERY_ROUTE(0xffffffffffffffff, &(0x7f0000001b80)={0x5, 0x10, 0xfa00, {&(0x7f0000001900), r3, 0x1}}, 0x18) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r0, &(0x7f00000000c0)={0x10, 0x30, 0xfa00, {&(0x7f0000000080), 0x4, {0xa, 0x4e21, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}, 0x7}, r3}}, 0x38) (async) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r0, &(0x7f00000000c0)={0x10, 0x30, 0xfa00, {&(0x7f0000000080), 0x4, {0xa, 0x4e21, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}, 0x7}, r3}}, 0x38) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r5) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x1c, r6, 0x103, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x80, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000000}]}, 0x80}, 0x1, 0x0, 0x0, 0x4008804}, 0x800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:26 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[], 0x1c}, 0x1, 0x0, 0x0, 0x4000885}, 0x20000000) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r3, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '[$*+(.@.+*:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x328}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000014}, 0x80) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x38}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x40800) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r3, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '[$*+(.@.+*:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x328}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000014}, 0x80) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x38}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[], 0x1c}, 0x1, 0x0, 0x0, 0x4000885}, 0x20000000) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r3, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '[$*+(.@.+*:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x328}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000014}, 0x80) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x38}}, 0x0) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r3, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '[$*+(.@.+*:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x328}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000014}, 0x80) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x38}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x40800) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc}]}, 0xfed6}}, 0x0) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="18ba1360", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000080)={@ipv4={""/10, ""/2, @empty}, 0x0}, &(0x7f0000000100)=0x14) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000140)={@private0, 0x0}, &(0x7f0000000180)=0x14) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f00000001c0)={@private2, 0x0}, &(0x7f0000000200)=0x14) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000240)={0x120, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'hsr0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}]}, 0x120}, 0x1, 0x0, 0x0, 0x1}, 0x8804) 23:24:26 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[], 0x1c}, 0x1, 0x0, 0x0, 0x4000885}, 0x20000000) [ 2278.328274] nbd: must specify at least one socket 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000}, 0x40800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r4, 0x0, 0x1, &(0x7f0000000040), 0x4) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r2, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r2, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) setsockopt$WPAN_SECURITY(r5, 0x0, 0x1, &(0x7f0000000040), 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x5c, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/audio\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x44093) openat$cuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x1a400, 0x0) ioctl$SNDCTL_DSP_SETFMT(r7, 0xc0045005, &(0x7f0000000200)=0x8) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x34}}, 0x0) 23:24:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) setsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040)=0x7ff, 0x4) geteuid() read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) 23:24:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="18ba1360", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000080)={@ipv4={""/10, ""/2, @empty}, 0x0}, &(0x7f0000000100)=0x14) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000140)={@private0, 0x0}, &(0x7f0000000180)=0x14) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f00000001c0)={@private2, 0x0}, &(0x7f0000000200)=0x14) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000240)={0x120, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'hsr0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}]}, 0x120}, 0x1, 0x0, 0x0, 0x1}, 0x8804) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="18ba1360", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000080)={@ipv4={""/10, ""/2, @empty}}, &(0x7f0000000100)=0x14) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000140)={@private0}, &(0x7f0000000180)=0x14) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f00000001c0)={@private2}, &(0x7f0000000200)=0x14) (async) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000240)={0x120, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'hsr0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}]}, 0x120}, 0x1, 0x0, 0x0, 0x1}, 0x8804) (async) 23:24:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 23:24:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) [ 2278.463957] nbd: nbd0 already in use [ 2278.481463] nbd: must specify at least one socket 23:24:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) setsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000040)=0x7ff, 0x4) geteuid() read$FUSE(r1, &(0x7f0000002700)={0x2020}, 0x2020) getegid() read$FUSE(r2, &(0x7f0000004740)={0x2020}, 0x2020) 23:24:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="18ba1360", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000080)={@ipv4={""/10, ""/2, @empty}, 0x0}, &(0x7f0000000100)=0x14) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000140)={@private0, 0x0}, &(0x7f0000000180)=0x14) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f00000001c0)={@private2, 0x0}, &(0x7f0000000200)=0x14) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000240)={0x120, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'hsr0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}]}, 0x120}, 0x1, 0x0, 0x0, 0x1}, 0x8804) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="18ba1360", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x14, &(0x7f0000000080)={@ipv4={""/10, ""/2, @empty}}, &(0x7f0000000100)=0x14) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000140)={@private0}, &(0x7f0000000180)=0x14) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), r0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1b, &(0x7f00000001c0)={@private2}, &(0x7f0000000200)=0x14) (async) sendmsg$ETHTOOL_MSG_FEATURES_GET(r3, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000380)={&(0x7f0000000240)={0x120, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'hsr0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}]}, 0x120}, 0x1, 0x0, 0x0, 0x1}, 0x8804) (async) 23:24:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) [ 2278.554806] nbd: must specify at least one socket 23:24:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 23:24:27 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SNDCTL_DSP_GETIPTR(0xffffffffffffffff, 0x800c5011, &(0x7f00000001c0)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="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", @ANYRES16=r0, @ANYBLOB="100029bd7000ffdbdf25010000000c00050002000000000000000c00060002000000000000000c000200f0000000000000000c00080001000000000000000c0004000200000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r0, 0x0, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) 23:24:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x34}}, 0x0) 23:24:27 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SNDCTL_DSP_GETIPTR(0xffffffffffffffff, 0x800c5011, &(0x7f00000001c0)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="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", @ANYRES16=r0, @ANYBLOB="100029bd7000ffdbdf25010000000c00050002000000000000000c00060002000000000000000c000200f0000000000000000c00080001000000000000000c0004000200000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r0, 0x0, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) 23:24:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r5 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r5, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x18, 0x140b, 0x1, 0x70bd27, 0x25dfdbfd, "", [@RDMA_NLDEV_ATTR_RES_CM_IDN={0x8}]}, 0x18}, 0x1, 0x0, 0x0, 0x40}, 0xc0c0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x80, r1, 0x4, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xea0e}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r2}, {0x8, 0x1, r9}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x821}]}, 0x80}, 0x1, 0x0, 0x0, 0x8011}, 0x844) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 23:24:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20010000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r5, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}]}, 0xac}}, 0x8001) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, &(0x7f0000000080)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:24:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:27 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$SNDCTL_DSP_GETIPTR(0xffffffffffffffff, 0x800c5011, &(0x7f00000001c0)) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="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", @ANYRES16=r0, @ANYBLOB="100029bd7000ffdbdf25010000000c00050002000000000000000c00060002000000000000000c000200f0000000000000000c00080001000000000000000c0004000200000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r0, 0x0, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) 23:24:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000600)='ns/mnt\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 2279.439324] nla_parse: 64 callbacks suppressed [ 2279.439331] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2279.467499] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 23:24:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20010000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r5, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}]}, 0xac}}, 0x8001) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, &(0x7f0000000080)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:24:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20010000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r5, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000000}]}, 0xac}}, 0x8001) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, &(0x7f0000000080)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:24:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 23:24:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40880}, 0x44) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x400, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000440)={0x98, r2, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf0d}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x8010}, 0x400c080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 2279.486219] nbd: must specify at least one socket [ 2279.493561] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2279.551342] nbd: must specify at least one socket 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2279.578110] nbd: must specify at least one socket 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 23:24:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40880}, 0x44) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x400, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000440)={0x98, r2, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf0d}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x8010}, 0x400c080) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000440)={0x98, r2, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf0d}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x8010}, 0x400c080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 2279.618405] nbd: must specify a size in bytes for the device [ 2279.629708] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2279.653481] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) [ 2279.666875] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2279.692950] nbd: must specify a size in bytes for the device 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2279.736881] nbd: must specify a size in bytes for the device [ 2279.756503] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2279.771524] nbd: must specify a size in bytes for the device 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 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$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000080)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x6c}, 0x1, 0x0, 0x0, 0x14}, 0x4) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="030100008f000000000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000080)={0x78, r2, 0x0, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x78}, 0x1, 0x0, 0x0, 0x14}, 0x4) 23:24:28 executing program 5: 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) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40880}, 0x44) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) r6 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x400, 0x0) (async, rerun: 32) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) (async) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000440)={0x98, r2, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf0d}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r3}, {0x8, 0x1, r8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x8010}, 0x400c080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 2279.783067] nbd: must specify a size in bytes for the device [ 2279.829214] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2279.859677] nbd: must specify a device to reconfigure 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$TEAM_CMD_NOOP(r4, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x60, 0x0, 0x300, 0x70bd25, 0x25dfdbfd, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4008000}, 0x10040080) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r5, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x80c0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$TEAM_CMD_NOOP(r4, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x60, 0x0, 0x300, 0x70bd25, 0x25dfdbfd, {}, [{{0x8}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}]}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4008000}, 0x10040080) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r5, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x80c0) [ 2279.871834] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) socketpair(0x15, 0x800, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair(0x26, 0x2, 0xffffff3e, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r7) recvfrom$netrom(r3, &(0x7f00000003c0)=""/225, 0xe1, 0x10000, &(0x7f00000004c0)={{0x3, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x6}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}, 0x48) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r8 = socket(0x11, 0x3, 0x7) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x7c, r2, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '-).+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r6}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20040800}, 0x840) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x50, 0x140e, 0x400, 0x70bd2d, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x4, 0x3, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x5}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x2}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x3}, @RDMA_NLDEV_ATTR_DEV_INDEX={0xffffff0c, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x24000894}, 0x800) r9 = openat$vcs(0xffffffffffffff9c, &(0x7f00000005c0), 0x110202, 0x0) write$RDMA_USER_CM_CMD_SET_OPTION(r9, &(0x7f0000000600)={0xe, 0x18, 0xfa00, @ib_path={&(0x7f0000000700)=[{0x20, 0x0, [0x5, 0x7, 0x2, 0x8, 0x38, 0x44d, 0x20, 0x0, 0xffffffe0, 0x8, 0x7, 0x7fffffff, 0x5, 0x0, 0x1f, 0xf8]}, {0x3, 0x0, [0x2800000, 0x2, 0x5, 0x44bcb003, 0x4, 0x8, 0x80100000, 0x100, 0x2, 0x6, 0x3, 0x7, 0x84a, 0x3ff, 0x7fffffff, 0x3f]}, {0x4, 0x0, [0x3b, 0x8, 0x400, 0x7fffffff, 0x3, 0x8, 0x1000, 0x3ff, 0x0, 0x11, 0x1, 0x6, 0x4, 0x200040, 0x6, 0x3]}, {0x10, 0x0, [0x9, 0x1, 0x7, 0x3f, 0x3, 0xffff, 0x2, 0x7fff, 0x2, 0xa7, 0xfffffffa, 0x4, 0x7ff, 0x6, 0x1, 0x5]}, {0x1c, 0x0, [0x3f, 0x0, 0x1ff, 0x2, 0x6, 0x1e1e9359, 0x8000, 0x80000000, 0x2, 0x1, 0x5, 0x6, 0x18, 0x5, 0x9, 0xffffffff]}, {0x2, 0x0, [0x8, 0x5720, 0x7, 0x4025, 0x1, 0x7, 0xfffffff8, 0x6, 0x1ff, 0x203, 0x2, 0x2, 0x0, 0x8, 0x80000001, 0x3]}], 0xffffffffffffffff, 0x1, 0x1, 0x1b0}}, 0x20) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x20, r2, 0x800, 0x6, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ffffffffffc}]}, 0x20}, 0x1, 0x0, 0x0, 0x4004}, 0x0) 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$binderfs_ctrl(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs2/binder-control\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r1, 0x100, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000020) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000200), 0x4100, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(r2, &(0x7f0000000240)={0x15, 0x110, 0xfa00, {0xffffffffffffffff, 0x9f2, 0x0, 0x0, 0x0, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x3a}}, @ib={0x1b, 0x381, 0x3f, {"b175bd28adee41c4ff26b073d749ef45"}, 0x4, 0x100, 0x5}}}, 0x118) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000002000000010000000c000200000c00080000000000000000000c0007800800010000000000000000", @ANYRES32=r3, @ANYBLOB="5820cda74b642290341d44933d4044626f643caf1c75fd4a63f794"], 0x38}}, 0x0) [ 2279.923000] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x14}, 0x4) 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$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$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f0000000440)={r15, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r14, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r16}}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000980)={{0x80000000, r13, 0x2, [0x7fff, 0x401]}, {0x80000000, r16, 0x3, [0x1, 0x2]}, 0x2, [0x2, 0x23c]}) 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.023082] nbd: must specify a size in bytes for the device [ 2280.052014] nbd: must specify at least one socket 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRESDEC=r0, @ANYRESDEC=r1, @ANYBLOB="000127bd7000fbdbdf25030000000c000600e94d4118abad275b0c00fb1d586750c95db500000c000400020000000000000008000000000c000600000000000000ddd611e0bbbed198cc83191200000c00000000000000000000000c00020001000000000000000c00030008000000000000000c00000000000000000000000000000000000700000000000000004627cd1b33364e3c43744d04f321991ba9fd4a92f38a9b1e31735b96067f25b1a5fca293c24542eee2aef3913d717f2d11e08fd952b4e8d2e630227d8caa55"], 0x88}, 0x1, 0x0, 0x0, 0x24008845}, 0x40040c4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.094928] nbd: must specify a size in bytes for the device [ 2280.110722] nbd: must specify a size in bytes for the device 23:24:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:28 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f0000000440)={r15, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r14, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r16}}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000980)={{0x80000000, r13, 0x2, [0x7fff, 0x401]}, {0x80000000, r16, 0x3, [0x1, 0x2]}, 0x2, [0x2, 0x23c]}) [ 2280.147762] nbd: must specify an index to disconnect [ 2280.163283] nbd: must specify a size in bytes for the device 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r1, &(0x7f0000000280)=""/24, 0x18) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.260688] nbd: must specify an index to disconnect 23:24:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000080)={0xffffffffffffffff}, 0x0, 0x2}}, 0x20) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000140), 0x105840, 0x0) write$RDMA_USER_CM_CMD_MIGRATE_ID(0xffffffffffffffff, &(0x7f0000000180)={0x12, 0x10, 0xfa00, {&(0x7f0000000040), r2, r3}}, 0x18) 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$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$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f0000000440)={r15, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r14, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r16}}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000980)={{0x80000000, r13, 0x2, [0x7fff, 0x401]}, {0x80000000, r16, 0x3, [0x1, 0x2]}, 0x2, [0x2, 0x23c]}) 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$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$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f0000000440)={r15, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r14, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r16}}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000980)={{0x80000000, r13, 0x2, [0x7fff, 0x401]}, {0x80000000, r16, 0x3, [0x1, 0x2]}, 0x2, [0x2, 0x23c]}) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x8, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x11) 23:24:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.366410] nbd: must specify at least one socket 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.388083] nbd: must specify an index to disconnect 23:24:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000080)={0xffffffffffffffff}, 0x0, 0x2}}, 0x20) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000140), 0x105840, 0x0) write$RDMA_USER_CM_CMD_MIGRATE_ID(0xffffffffffffffff, &(0x7f0000000180)={0x12, 0x10, 0xfa00, {&(0x7f0000000040), r2, r3}}, 0x18) (async) write$RDMA_USER_CM_CMD_MIGRATE_ID(0xffffffffffffffff, &(0x7f0000000180)={0x12, 0x10, 0xfa00, {&(0x7f0000000040), r2, r3}}, 0x18) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f0000000440)={r15, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(r14, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r16}}) 23:24:28 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.413975] nbd: must specify an index to disconnect 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x40, r4, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0xa804) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="38fea2c2", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:28 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2408000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x78, r2, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x78}, 0x1, 0x0, 0x0, 0x14}, 0x4) 23:24:28 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.486946] nbd: must specify an index to disconnect 23:24:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f0000000440)={r15, &(0x7f0000000000), 0x0}) 23:24:28 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r2, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r1, 0x103, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000800}, 0x0) [ 2280.521197] nbd: must specify at least one socket 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000080)={0xffffffffffffffff}, 0x0, 0x2}}, 0x20) (async) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000140), 0x105840, 0x0) write$RDMA_USER_CM_CMD_MIGRATE_ID(0xffffffffffffffff, &(0x7f0000000180)={0x12, 0x10, 0xfa00, {&(0x7f0000000040), r2, r3}}, 0x18) 23:24:29 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.550284] nbd: must specify a device to reconfigure 23:24:29 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$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2408000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x78, r2, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x78}, 0x1, 0x0, 0x0, 0x14}, 0x4) 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf8e}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x10}, 0x4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$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$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)}) [ 2280.597248] nbd: must specify an index to disconnect 23:24:29 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) r14 = syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f00000001c0)={0x80000000, 0x0, &(0x7f0000000140)=[{{}, {0x80000000}}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r14, 0xc0287c02, &(0x7f0000000440)={r15, &(0x7f0000000000), 0x0}) 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf8e}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x10}, 0x4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000040)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x0) 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="05000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r4, 0x4, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe983}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe6e}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040810) [ 2280.669909] nbd: must specify at least one socket 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.703170] nbd: must specify an index to disconnect 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="a1feffff", @ANYRES16=r1, @ANYBLOB="410000000069139cb2fbdfb58bfe"], 0x14}, 0x1, 0x0, 0x0, 0x24000000}, 0x0) 23:24:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) syz_open_dev$media(&(0x7f0000000380), 0x0, 0x0) [ 2280.728427] nbd: must specify an index to disconnect 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="05000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r4, 0x4, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe983}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe6e}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040810) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="05000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r4, 0x4, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe983}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe6e}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040810) (async) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r1, 0x0, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000000700)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_DIRENTPLUS(r1, &(0x7f0000000000)={0x10, 0x0, r2}, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x90, r3, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0x19, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xdc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12f}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}]}, 0x90}, 0x1, 0x0, 0x0, 0x20080004}, 0x4004041) 23:24:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 2280.822611] nbd: must specify an index to disconnect 23:24:29 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="05000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r4, 0x4, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe983}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe6e}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040810) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r4, 0x4, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe983}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe6e}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040810) 23:24:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000)=[{}, {0x80000000, 0x0}], 0x0}) ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f00000002c0)={{0x80000000, r13}}) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB="6c2dd193dd58c9942759a0f66bb54961ef623217a7aeec77dbbf0d36c71d445568d1b01a63037892862f56ce4c37320b1ea5a987d0f3280b93e0142674128860f4de594b01379f331d0a1eb473b42fa9d874b9cdd2773130120000000000000000000000000000004cbe736169b9f3867c42940ca85ddbddcd96711fddbda4e0d1f37a5e76a1ac9e5f8edb9f771e5665a98b8b00ee43541b4c0b18135a9993a661996db79170b4aa5974ff7aa3f6159697fe00653afd77c120d98b814d13d445575efd0695a0ae547bb08407ebbc805d51b879e17e4389010ec335d4be0b92fcd38c49"], 0x38}}, 0x0) 23:24:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="03010000000000000000050000000800010000000000"], 0x1c}}, 0x0) 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = socket(0xa, 0x6, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x60}}, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4080000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, r1, 0x9, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x27}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}]}, 0x6c}, 0x1, 0x0, 0x0, 0x108c1}, 0x40000) [ 2280.957457] nbd: must specify an index to disconnect 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0301000000000000000005000000080001ce95837386d4fa2d72025ce4b02a800000102000"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r7 = openat$vcs(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000300), 0x10042, 0x0) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x24, r5, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '/dev/vcs\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000440)={&(0x7f0000000340)={0x58, r6, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}]}, 0x58}}, 0x24000040) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r11, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r11, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r12) sendmsg$NBD_CMD_CONNECT(r12, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r13, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r11, &(0x7f0000000780)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000680)={&(0x7f0000000700)={0x44, r13, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000000}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x20024000) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r3) sendmsg$NBD_CMD_DISCONNECT(r14, &(0x7f0000000180)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="100026bd7000ffdbdf25020000000c0002000300040000000000"], 0x20}, 0x1, 0x0, 0x0, 0x8820}, 0x20000094) 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$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$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000), 0x0}) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) (async) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) (async) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r7 = socket(0xa, 0x6, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x60}}, 0x0) 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = socket(0xa, 0x6, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x60}}, 0x0) [ 2281.108103] nbd: must specify an index to disconnect 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$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$nbd(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = socket(0xa, 0x6, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x60}}, 0x0) 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000000), 0x0}) 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) (async) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r7 = socket(0xa, 0x6, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x60}}, 0x0) 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = socket(0xa, 0x6, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x60}}, 0x0) 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 2281.319180] nbd: must specify an index to disconnect 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r9 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r9, 0x0, 0x0) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r7, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0x98}}, 0x40440c0) [ 2281.356680] nbd: must specify an index to disconnect 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}]}, 0x60}}, 0x0) 23:24:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r5, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r11, 0x0, 0x0) r12 = openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000440)={&(0x7f0000000300)={0x98, r8, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1fd0be1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r12}]}]}, 0x98}}, 0x40440c0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}]}, 0x38}}, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000000200)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x38}}, 0x0) setsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f00000001c0)=0x2678, 0x4) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x20, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x40881}, 0x4050) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$DRM_IOCTL_MODE_SETPROPERTY(0xffffffffffffffff, 0xc01064ab, &(0x7f0000000040)={0xf2, 0x76d, 0x7fffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x2e, &(0x7f00000003c0)={&(0x7f00000000c0)={0xfffffffffffffd89, r2, 0x1}, 0x38}}, 0x0) 23:24:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f00000002c0), 0x80000, 0x0) [ 2281.439029] nbd: must specify an index to disconnect 23:24:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:24:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000000200)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000000200)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x38}}, 0x0) setsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f00000001c0)=0x2678, 0x4) (async) setsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f00000001c0)=0x2678, 0x4) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x20, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x40881}, 0x4050) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$DRM_IOCTL_MODE_SETPROPERTY(0xffffffffffffffff, 0xc01064ab, &(0x7f0000000040)={0xf2, 0x76d, 0x7fffffff}) (async) ioctl$DRM_IOCTL_MODE_SETPROPERTY(0xffffffffffffffff, 0xc01064ab, &(0x7f0000000040)={0xf2, 0x76d, 0x7fffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x2e, &(0x7f00000003c0)={&(0x7f00000000c0)={0xfffffffffffffd89, r2, 0x1}, 0x38}}, 0x0) 23:24:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}]}, 0x60}}, 0x0) [ 2281.527560] nbd: must specify an index to disconnect 23:24:30 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000000200)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x38}}, 0x0) setsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f00000001c0)=0x2678, 0x4) (async) setsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f00000001c0)=0x2678, 0x4) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x20, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x40881}, 0x4050) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) ioctl$DRM_IOCTL_MODE_SETPROPERTY(0xffffffffffffffff, 0xc01064ab, &(0x7f0000000040)={0xf2, 0x76d, 0x7fffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x2e, &(0x7f00000003c0)={&(0x7f00000000c0)={0xfffffffffffffd89, r2, 0x1}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x2e, &(0x7f00000003c0)={&(0x7f00000000c0)={0xfffffffffffffd89, r2, 0x1}, 0x38}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r7, 0x0, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="38000000ad790e6b97bd2537e7d38ea79ca051f5137a6afa05f66aeae63b0beed90484905dfe56902a6322c36095df03c7cb3b700148a9bb02b50547002a6f00e716f94c14687ab85d822af8bb06d506de7b5f8576ff9296f6e2b5046b56afe2ea88c0966081dffbb74c53c547d0c8bb126c7be790d3950ed326326a9d7f84c257164aedb4df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="38000000ad790e6b97bd2537e7d38ea79ca051f5137a6afa05f66aeae63b0beed90484905dfe56902a6322c36095df03c7cb3b700148a9bb02b50547002a6f00e716f94c14687ab85d822af8bb06d506de7b5f8576ff9296f6e2b5046b56afe2ea88c0966081dffbb74c53c547d0c8bb126c7be790d3950ed326326a9d7f84c257164aedb4df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="38000000ad790e6b97bd2537e7d38ea79ca051f5137a6afa05f66aeae63b0beed90484905dfe56902a6322c36095df03c7cb3b700148a9bb02b50547002a6f00e716f94c14687ab85d822af8bb06d506de7b5f8576ff9296f6e2b5046b56afe2ea88c0966081dffbb74c53c547d0c8bb126c7be790d3950ed326326a9d7f84c257164aedb4df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, 0x0}, 0x0) 23:24:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) socketpair(0x28, 0x800, 0x4, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="38000000ad790e6b97bd2537e7d38ea79ca051f5137a6afa05f66aeae63b0beed90484905dfe56902a6322c36095df03c7cb3b700148a9bb02b50547002a6f00e716f94c14687ab85d822af8bb06d506de7b5f8576ff9296f6e2b5046b56afe2ea88c0966081dffbb74c53c547d0c8bb126c7be790d3950ed326326a9d7f84c257164aedb4df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000002ecff0000000ced47d2bf67af9bcc15c6ec0000000000000000", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000002ecff0000000ced47d2bf67af9bcc15c6ec0000000000000000", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000003f80)={&(0x7f0000003e00)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000003f40)={&(0x7f0000003ec0)={0x14}, 0x14}}, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000002ecff0000000ced47d2bf67af9bcc15c6ec0000000000000000", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 2282.219307] nbd: must specify at least one socket 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_open_dev$media(&(0x7f0000000040), 0xffffffff, 0x200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x14}, 0x14}}, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 2282.338476] nbd: must specify at least one socket 23:24:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x34, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 23:24:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) [ 2282.440948] nbd: must specify at least one socket 23:24:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:24:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_open_dev$media(&(0x7f0000000040), 0xffffffff, 0x200) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 23:24:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 23:24:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) [ 2282.617563] nbd: must specify at least one socket 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_open_dev$media(&(0x7f0000000040), 0xffffffff, 0x200) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) 23:24:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 2282.730326] nbd: must specify at least one socket 23:24:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r5, &(0x7f0000000280)=""/24, 0x18) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000001700)={{0x0, 0x3, 0x85e, 0x6, 0x0, 0x8, 0x0, 0xffff, 0xfffffff7, 0x6, 0x0, 0x4, 0x7ff, 0x7cf, 0x7}}) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, &(0x7f0000000080)) ioctl$BTRFS_IOC_INO_LOOKUP(r5, 0xd0009412, &(0x7f0000000700)={0x0, 0x1}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 23:24:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) [ 2282.856554] nbd: must specify at least one socket 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r5, &(0x7f0000000280)=""/24, 0x18) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000001700)={{0x0, 0x3, 0x85e, 0x6, 0x0, 0x8, 0x0, 0xffff, 0xfffffff7, 0x6, 0x0, 0x4, 0x7ff, 0x7cf, 0x7}}) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, &(0x7f0000000080)) (async, rerun: 64) ioctl$BTRFS_IOC_INO_LOOKUP(r5, 0xd0009412, &(0x7f0000000700)={0x0, 0x1}) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="0cf07ae2a9139548493b72f673e962d37badf248fec8f039b8a19f956bd3e0a071b137a7d103c0312e1e20252c40d1fd854b42426e0bcde3d13a588a404309b9a9ce12285bef6a2966f5eac73d5d7007ec799d900ed76934ffc70eb69dd2efd9f88216828a551798a07e4041b59b8d81bb04800f14f36b54b82f961f4a2fa503cff78915a958e280b8ca2ce504f022f20acfe7e39becd4bedffc99e048f09822a7fc1a3117cbc9daa77603dfed7909ec84900a28ca9dd19a54478bd77358e3173daf375b756fd52280b3f2801bb9c42cf4747b3f142c816da8c3d7b7b9ba71dbaec4051a5ef3a2023f36410357165d535c0c5c93b56a9b17b13c05552dba1670674813bf0771c0d68533ee8b4c5c0b8f2645e0007bce6599a948dcf2162041973aee65b4843d515cde4cf1e4d5c89fec6fd0b6b56d64c7a484e585ea8b2f40ebc2b523b335651fec20d5bc7e4bb4fa33a22ef0f3d3b4", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) 23:24:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 23:24:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) [ 2282.970674] nbd: must specify a size in bytes for the device 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r5, &(0x7f0000000280)=""/24, 0x18) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000001700)={{0x0, 0x3, 0x85e, 0x6, 0x0, 0x8, 0x0, 0xffff, 0xfffffff7, 0x6, 0x0, 0x4, 0x7ff, 0x7cf, 0x7}}) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, &(0x7f0000000080)) ioctl$BTRFS_IOC_INO_LOOKUP(r5, 0xd0009412, &(0x7f0000000700)={0x0, 0x1}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (async) read$dsp(r5, &(0x7f0000000280)=""/24, 0x18) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000001700)={{0x0, 0x3, 0x85e, 0x6, 0x0, 0x8, 0x0, 0xffff, 0xfffffff7, 0x6, 0x0, 0x4, 0x7ff, 0x7cf, 0x7}}) (async) ioctl$BTRFS_IOC_START_SYNC(r4, 0x80089418, &(0x7f0000000080)) (async) ioctl$BTRFS_IOC_INO_LOOKUP(r5, 0xd0009412, &(0x7f0000000700)={0x0, 0x1}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r3, @ANYBLOB], 0x38}}, 0x0) (async) 23:24:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 23:24:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 23:24:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) connect$netrom(r4, &(0x7f0000000180)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x3}, [@default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}]}, 0x48) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) getsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000000040)=0x3f, &(0x7f0000000080)=0x4) 23:24:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r4, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) connect$netrom(r4, &(0x7f0000000180)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x3}, [@default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}]}, 0x48) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) getsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000000040)=0x3f, &(0x7f0000000080)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) connect$netrom(r4, &(0x7f0000000180)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x3}, [@default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}]}, 0x48) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) getsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000000040)=0x3f, &(0x7f0000000080)=0x4) (async) [ 2283.188144] nbd: must specify a size in bytes for the device 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 23:24:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 23:24:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$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$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r3, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (async) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) connect$netrom(r4, &(0x7f0000000180)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x3}, [@default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}]}, 0x48) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) (async) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) getsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000000040)=0x3f, &(0x7f0000000080)=0x4) 23:24:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 23:24:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) io_setup(0x0, &(0x7f0000000040)=0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r7, &(0x7f0000000280)=""/24, 0x18) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000440), 0xc040, 0x0) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000800), 0x321840, 0x0) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r9, &(0x7f0000000280)=""/24, 0x18) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = inotify_init1(0x80000) r12 = socket$inet6(0xa, 0x3, 0x1) io_submit(r4, 0x6, &(0x7f00000007c0)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x7, 0x0, r2, &(0x7f0000000100)="8491142b737f305f03ff7fd82a66f6286b5d61e6e9343ab696d29639a8280267f3ae85647950f71653f538b2cb5be662475f201cea85d386eeedd8e8a9dfccacacd9814a3beb4b10e754622880d476d649bafaeb08cfcbfc0738cb2cb025ba662b6b416a741c8453876dc251d530ef165b26d0012b8579faf67084d3d002fce5496055b0c875d5fdf2a1020d9cfa3ee439b4294b52a4715424329bdecbe7661feccaac336dc1ce62d0f81337dd09a0ad4fd3907953bc23dc85d9299847b3c8fd62b0bf5e55ce56aa5b09", 0xca, 0xc46, 0x0, 0x1, r5}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x7, 0x5, r3, &(0x7f0000000200)="2de7432e5829a18a0ccc1abaca83d7e3b9063c2e626eaf5dab84a9f30393f90623d3608f690ce7f63e2b9f453ffca738891e3dfcf842d905e19dc3062075a5892a9be69c1c3c41fb124daf825b91fa191b1acc5aeae42cc7d673cb89f7e1c464b98b32bd7a75719975089fa9800499a7fe666985d0ad2fb7c180dc22d74b62a1b7ba17f05a0fa6148219c67400a0d5735aad5ab2f9c6547d82e9d330916ddb5a7673038ae4561fd64ef81ae5181d6637cd9b8f58fb8e08f4d8fcb922d054c9de0a183f20288b62d723e7c408b6e98a59f600c88556fd2b3145f58f8058dee313dee8608eaa074a1227b658cf0a82514451e8f467f5a53e0f0e", 0xf9, 0x7ff, 0x0, 0x1, r6}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x9, r7, &(0x7f0000000340)="5f52b0178d02583f61cd61eccd263a2126feb8cf425fa89e7bfeb866329e1aedf595cfef41a6a769e3742479c4b9990869843d15326a5d", 0x37, 0x8, 0x0, 0x2}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x7, 0x3f, r12, &(0x7f0000000480)="5e4deecf9df0f4b44f5b2966c2ff6c055921dcd9d73e7d1c23039711c5bed6636331f9b503043e482545a2f3a42c40279477847d0beb070af8ff444b5c251077483ec023e0f9e56955049e01c8c33256aa3133d6500711ec5377c2124be5a9783fb2c117ad1eaf5d31b95e3826995aa302b0f79a29ac9f13f1e2fdd80635f1b16cd6906a1749319ea6c2283ca38029699c1a06adf437ba287a2208ec2071511b7d498e73", 0xa4, 0x3ff, 0x0, 0x1, r8}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x7, 0x2, r9, &(0x7f0000000580)="f38442013deabafb968dbbe165b2360af810f1517731299ec6773fae57849760dc04c2a44432487cdb0035431b9c0489357d04eb3df230cdca636440c9d2d3342f780e5b6fa5470a9f4ef61fc0f9498ca0a523ca12c29dafe2c2c503833fef01e42b234259d7b4f081e351213654502a21fdecba435ea15631ce51ac9dc864c70d2fe8c9cbc718e4d6b4f6ab9a5eed3575dab7ee0118b5b0a7aed205cdc489df1ad80a89b42e519e6892648ccfd91828c758694a7c449cd008914269a87fc60b4675335d140d343defbcb2d401c5b0e8871fd7d7f0", 0xd5, 0xaca, 0x0, 0x2, r10}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x8, 0x3, r11, &(0x7f0000000700)="11a8bc86c31d7ab51957a531c6815dce225d14125b74b8434f169b78cc695a06d19ea7a32533685085fb0d1aa3df3b9f4958027bf28db2fadf79f1cdebd1aa9256438a17f103d7a74f8b47c60f", 0x4d, 0xfffffffffffffffb, 0x0, 0x3}]) 23:24:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$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$nbd(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000000), 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x49}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r3, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) 23:24:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x28}}, 0x0) 23:24:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) (async) io_setup(0x0, &(0x7f0000000040)=0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r7, &(0x7f0000000280)=""/24, 0x18) (async, rerun: 64) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000440), 0xc040, 0x0) (async, rerun: 64) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000800), 0x321840, 0x0) (async, rerun: 32) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) read$dsp(r9, &(0x7f0000000280)=""/24, 0x18) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) r11 = inotify_init1(0x80000) (async) r12 = socket$inet6(0xa, 0x3, 0x1) io_submit(r4, 0x6, &(0x7f00000007c0)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x7, 0x0, r2, &(0x7f0000000100)="8491142b737f305f03ff7fd82a66f6286b5d61e6e9343ab696d29639a8280267f3ae85647950f71653f538b2cb5be662475f201cea85d386eeedd8e8a9dfccacacd9814a3beb4b10e754622880d476d649bafaeb08cfcbfc0738cb2cb025ba662b6b416a741c8453876dc251d530ef165b26d0012b8579faf67084d3d002fce5496055b0c875d5fdf2a1020d9cfa3ee439b4294b52a4715424329bdecbe7661feccaac336dc1ce62d0f81337dd09a0ad4fd3907953bc23dc85d9299847b3c8fd62b0bf5e55ce56aa5b09", 0xca, 0xc46, 0x0, 0x1, r5}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x7, 0x5, r3, &(0x7f0000000200)="2de7432e5829a18a0ccc1abaca83d7e3b9063c2e626eaf5dab84a9f30393f90623d3608f690ce7f63e2b9f453ffca738891e3dfcf842d905e19dc3062075a5892a9be69c1c3c41fb124daf825b91fa191b1acc5aeae42cc7d673cb89f7e1c464b98b32bd7a75719975089fa9800499a7fe666985d0ad2fb7c180dc22d74b62a1b7ba17f05a0fa6148219c67400a0d5735aad5ab2f9c6547d82e9d330916ddb5a7673038ae4561fd64ef81ae5181d6637cd9b8f58fb8e08f4d8fcb922d054c9de0a183f20288b62d723e7c408b6e98a59f600c88556fd2b3145f58f8058dee313dee8608eaa074a1227b658cf0a82514451e8f467f5a53e0f0e", 0xf9, 0x7ff, 0x0, 0x1, r6}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x9, r7, &(0x7f0000000340)="5f52b0178d02583f61cd61eccd263a2126feb8cf425fa89e7bfeb866329e1aedf595cfef41a6a769e3742479c4b9990869843d15326a5d", 0x37, 0x8, 0x0, 0x2}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x7, 0x3f, r12, &(0x7f0000000480)="5e4deecf9df0f4b44f5b2966c2ff6c055921dcd9d73e7d1c23039711c5bed6636331f9b503043e482545a2f3a42c40279477847d0beb070af8ff444b5c251077483ec023e0f9e56955049e01c8c33256aa3133d6500711ec5377c2124be5a9783fb2c117ad1eaf5d31b95e3826995aa302b0f79a29ac9f13f1e2fdd80635f1b16cd6906a1749319ea6c2283ca38029699c1a06adf437ba287a2208ec2071511b7d498e73", 0xa4, 0x3ff, 0x0, 0x1, r8}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x7, 0x2, r9, &(0x7f0000000580)="f38442013deabafb968dbbe165b2360af810f1517731299ec6773fae57849760dc04c2a44432487cdb0035431b9c0489357d04eb3df230cdca636440c9d2d3342f780e5b6fa5470a9f4ef61fc0f9498ca0a523ca12c29dafe2c2c503833fef01e42b234259d7b4f081e351213654502a21fdecba435ea15631ce51ac9dc864c70d2fe8c9cbc718e4d6b4f6ab9a5eed3575dab7ee0118b5b0a7aed205cdc489df1ad80a89b42e519e6892648ccfd91828c758694a7c449cd008914269a87fc60b4675335d140d343defbcb2d401c5b0e8871fd7d7f0", 0xd5, 0xaca, 0x0, 0x2, r10}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x8, 0x3, r11, &(0x7f0000000700)="11a8bc86c31d7ab51957a531c6815dce225d14125b74b8434f169b78cc695a06d19ea7a32533685085fb0d1aa3df3b9f4958027bf28db2fadf79f1cdebd1aa9256438a17f103d7a74f8b47c60f", 0x4d, 0xfffffffffffffffb, 0x0, 0x3}]) 23:24:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r3, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) 23:24:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x28}}, 0x0) [ 2283.648150] nbd: must specify a size in bytes for the device 23:24:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 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(&(0x7f00000006c0), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r3, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) 23:24:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x28}}, 0x0) 23:24:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, 0x0, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) [ 2283.941098] nbd: must specify a size in bytes for the device 23:24:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}]}, 0x38}}, 0x0) io_setup(0x0, &(0x7f0000000040)=0x0) (async) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r5, 0x0, 0x0) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r6, 0x0, 0x0) (async, rerun: 32) r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (rerun: 32) read$dsp(r7, &(0x7f0000000280)=""/24, 0x18) (async) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000440), 0xc040, 0x0) (async) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000800), 0x321840, 0x0) (async, rerun: 64) r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 64) write$FUSE_NOTIFY_INVAL_INODE(r8, 0x0, 0x0) (async, rerun: 64) r9 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000), 0x22882, 0x0) (rerun: 64) read$dsp(r9, &(0x7f0000000280)=""/24, 0x18) (async, rerun: 32) r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) (rerun: 32) write$FUSE_NOTIFY_INVAL_INODE(r10, 0x0, 0x0) (async) r11 = inotify_init1(0x80000) (async, rerun: 32) r12 = socket$inet6(0xa, 0x3, 0x1) (rerun: 32) io_submit(r4, 0x6, &(0x7f00000007c0)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x7, 0x0, r2, &(0x7f0000000100)="8491142b737f305f03ff7fd82a66f6286b5d61e6e9343ab696d29639a8280267f3ae85647950f71653f538b2cb5be662475f201cea85d386eeedd8e8a9dfccacacd9814a3beb4b10e754622880d476d649bafaeb08cfcbfc0738cb2cb025ba662b6b416a741c8453876dc251d530ef165b26d0012b8579faf67084d3d002fce5496055b0c875d5fdf2a1020d9cfa3ee439b4294b52a4715424329bdecbe7661feccaac336dc1ce62d0f81337dd09a0ad4fd3907953bc23dc85d9299847b3c8fd62b0bf5e55ce56aa5b09", 0xca, 0xc46, 0x0, 0x1, r5}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x7, 0x5, r3, &(0x7f0000000200)="2de7432e5829a18a0ccc1abaca83d7e3b9063c2e626eaf5dab84a9f30393f90623d3608f690ce7f63e2b9f453ffca738891e3dfcf842d905e19dc3062075a5892a9be69c1c3c41fb124daf825b91fa191b1acc5aeae42cc7d673cb89f7e1c464b98b32bd7a75719975089fa9800499a7fe666985d0ad2fb7c180dc22d74b62a1b7ba17f05a0fa6148219c67400a0d5735aad5ab2f9c6547d82e9d330916ddb5a7673038ae4561fd64ef81ae5181d6637cd9b8f58fb8e08f4d8fcb922d054c9de0a183f20288b62d723e7c408b6e98a59f600c88556fd2b3145f58f8058dee313dee8608eaa074a1227b658cf0a82514451e8f467f5a53e0f0e", 0xf9, 0x7ff, 0x0, 0x1, r6}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x9, r7, &(0x7f0000000340)="5f52b0178d02583f61cd61eccd263a2126feb8cf425fa89e7bfeb866329e1aedf595cfef41a6a769e3742479c4b9990869843d15326a5d", 0x37, 0x8, 0x0, 0x2}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x7, 0x3f, r12, &(0x7f0000000480)="5e4deecf9df0f4b44f5b2966c2ff6c055921dcd9d73e7d1c23039711c5bed6636331f9b503043e482545a2f3a42c40279477847d0beb070af8ff444b5c251077483ec023e0f9e56955049e01c8c33256aa3133d6500711ec5377c2124be5a9783fb2c117ad1eaf5d31b95e3826995aa302b0f79a29ac9f13f1e2fdd80635f1b16cd6906a1749319ea6c2283ca38029699c1a06adf437ba287a2208ec2071511b7d498e73", 0xa4, 0x3ff, 0x0, 0x1, r8}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x7, 0x2, r9, &(0x7f0000000580)="f38442013deabafb968dbbe165b2360af810f1517731299ec6773fae57849760dc04c2a44432487cdb0035431b9c0489357d04eb3df230cdca636440c9d2d3342f780e5b6fa5470a9f4ef61fc0f9498ca0a523ca12c29dafe2c2c503833fef01e42b234259d7b4f081e351213654502a21fdecba435ea15631ce51ac9dc864c70d2fe8c9cbc718e4d6b4f6ab9a5eed3575dab7ee0118b5b0a7aed205cdc489df1ad80a89b42e519e6892648ccfd91828c758694a7c449cd008914269a87fc60b4675335d140d343defbcb2d401c5b0e8871fd7d7f0", 0xd5, 0xaca, 0x0, 0x2, r10}, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x8, 0x3, r11, &(0x7f0000000700)="11a8bc86c31d7ab51957a531c6815dce225d14125b74b8434f169b78cc695a06d19ea7a32533685085fb0d1aa3df3b9f4958027bf28db2fadf79f1cdebd1aa9256438a17f103d7a74f8b47c60f", 0x4d, 0xfffffffffffffffb, 0x0, 0x3}]) 23:24:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, 0x0, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) 23:24:32 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x20000, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) 23:24:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, 0x0, 0x301, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x4080}, 0x40040000) 23:24:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x3a1041, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r3, 0x0, 0x0) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000580), 0x2001, 0x0) write$FUSE_NOTIFY_INVAL_INODE(r4, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x60}}, 0x0) [ 2284.276936] ================================================================== [ 2284.284526] BUG: KASAN: use-after-free in refcount_dec_not_one+0x9a/0xc0 [ 2284.291388] Read of size 4 at addr ffff8880ac1d2b98 by task syz-executor.4/18075 [ 2284.298908] [ 2284.300541] CPU: 0 PID: 18075 Comm: syz-executor.4 Not tainted 4.14.307-syzkaller #0 [ 2284.308575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2284.318126] Call Trace: [ 2284.320918] dump_stack+0x1b2/0x281 23:24:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000006c0), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c00080000000000000000000c00078008000100", @ANYRES32=r2, @ANYBLOB], 0x38}}, 0x0) socketpair(0x23, 0x4, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r3, 0x81f8943c, &(0x7f0000000440)) [ 2284.324757] print_address_description.cold+0x54/0x1d3 [ 2284.330171] kasan_report_error.cold+0x8a/0x191 [ 2284.334982] ? refcount_dec_not_one+0x9a/0xc0 [ 2284.339493] __asan_report_load4_noabort+0x68/0x70 [ 2284.344433] ? refcount_dec_not_one+0x9a/0xc0 [ 2284.349103] refcount_dec_not_one+0x9a/0xc0 [ 2284.353569] refcount_dec_and_mutex_lock+0x1a/0x60 [ 2284.358529] nbd_genl_connect+0xce1/0x13e0 [ 2284.362930] ? nbd_xmit_timeout+0x500/0x500 [ 2284.367264] ? validate_nla+0x192/0x5e0 [ 2284.371270] genl_family_rcv_msg+0x572/0xb20 [ 2284.375682] ? genl_rcv+0x40/0x40 [ 2284.379123] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 2284.385009] ? __kmalloc_node_track_caller+0x4c/0x70 [ 2284.390149] ? trace_hardirqs_on+0x10/0x10 [ 2284.394439] genl_rcv_msg+0xaf/0x140 [ 2284.398157] netlink_rcv_skb+0x125/0x390 [ 2284.402211] ? genl_family_rcv_msg+0xb20/0xb20 [ 2284.406781] ? netlink_ack+0x9a0/0x9a0 [ 2284.410656] ? lock_acquire+0x170/0x3f0 [ 2284.414631] genl_rcv+0x24/0x40 [ 2284.417922] netlink_unicast+0x437/0x610 [ 2284.422009] ? netlink_sendskb+0xd0/0xd0 [ 2284.426074] ? __check_object_size+0x179/0x230 [ 2284.430796] netlink_sendmsg+0x651/0xbc0 [ 2284.434868] ? nlmsg_notify+0x1b0/0x1b0 [ 2284.438842] ? kernel_recvmsg+0x210/0x210 [ 2284.442985] ? security_socket_sendmsg+0x83/0xb0 [ 2284.447742] ? nlmsg_notify+0x1b0/0x1b0 [ 2284.451851] sock_sendmsg+0xb5/0x100 [ 2284.455570] ___sys_sendmsg+0x6c8/0x800 [ 2284.459586] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2284.464415] ? do_futex+0x127/0x1570 [ 2284.468146] ? __fget+0x23e/0x3e0 [ 2284.471609] ? lock_acquire+0x170/0x3f0 [ 2284.475597] ? lock_downgrade+0x740/0x740 [ 2284.479773] ? __fget+0x265/0x3e0 [ 2284.483648] ? __fdget+0x19b/0x1f0 [ 2284.487437] ? sockfd_lookup_light+0xb2/0x160 [ 2284.492293] __sys_sendmsg+0xa3/0x120 [ 2284.496815] ? SyS_shutdown+0x160/0x160 [ 2284.500924] ? SyS_read+0x210/0x210 [ 2284.505846] ? __do_page_fault+0x159/0xad0 [ 2284.510375] SyS_sendmsg+0x27/0x40 [ 2284.513923] ? __sys_sendmsg+0x120/0x120 [ 2284.518268] do_syscall_64+0x1d5/0x640 [ 2284.522177] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2284.527494] RIP: 0033:0x7f1c414e00f9 [ 2284.531197] RSP: 002b:00007f1c3fa52168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2284.539297] RAX: ffffffffffffffda RBX: 00007f1c415fff80 RCX: 00007f1c414e00f9 [ 2284.546767] RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000004 [ 2284.554293] RBP: 00007f1c4153bae9 R08: 0000000000000000 R09: 0000000000000000 [ 2284.561663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2284.569008] R13: 00007ffd4a66a19f R14: 00007f1c3fa52300 R15: 0000000000022000 [ 2284.576281] [ 2284.577899] Allocated by task 18063: [ 2284.581629] kasan_kmalloc+0xeb/0x160 [ 2284.585422] kmem_cache_alloc_trace+0x131/0x3d0 [ 2284.590094] nbd_dev_add+0x7c/0x800 [ 2284.593802] nbd_genl_connect+0x3a4/0x13e0 [ 2284.598029] genl_family_rcv_msg+0x572/0xb20 [ 2284.602589] genl_rcv_msg+0xaf/0x140 [ 2284.606467] netlink_rcv_skb+0x125/0x390 [ 2284.610531] genl_rcv+0x24/0x40 [ 2284.613812] netlink_unicast+0x437/0x610 [ 2284.617858] netlink_sendmsg+0x651/0xbc0 [ 2284.621909] sock_sendmsg+0xb5/0x100 [ 2284.625610] ___sys_sendmsg+0x6c8/0x800 [ 2284.629594] __sys_sendmsg+0xa3/0x120 [ 2284.633387] SyS_sendmsg+0x27/0x40 [ 2284.636941] do_syscall_64+0x1d5/0x640 [ 2284.640822] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2284.646104] [ 2284.647731] Freed by task 18075: [ 2284.651083] kasan_slab_free+0xc3/0x1a0 [ 2284.655059] kfree+0xc9/0x250 [ 2284.658150] nbd_put.part.0+0x100/0x140 [ 2284.662109] nbd_config_put+0x51c/0x6c0 [ 2284.666194] nbd_genl_connect+0xcb9/0x13e0 [ 2284.670551] genl_family_rcv_msg+0x572/0xb20 [ 2284.675181] genl_rcv_msg+0xaf/0x140 [ 2284.679093] netlink_rcv_skb+0x125/0x390 [ 2284.683154] genl_rcv+0x24/0x40 [ 2284.686449] netlink_unicast+0x437/0x610 [ 2284.690499] netlink_sendmsg+0x651/0xbc0 [ 2284.694551] sock_sendmsg+0xb5/0x100 [ 2284.698259] ___sys_sendmsg+0x6c8/0x800 [ 2284.702218] __sys_sendmsg+0xa3/0x120 [ 2284.706108] SyS_sendmsg+0x27/0x40 [ 2284.709858] do_syscall_64+0x1d5/0x640 [ 2284.713753] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2284.718933] [ 2284.720546] The buggy address belongs to the object at ffff8880ac1d2ac0 [ 2284.720546] which belongs to the cache kmalloc-512 of size 512 [ 2284.733207] The buggy address is located 216 bytes inside of [ 2284.733207] 512-byte region [ffff8880ac1d2ac0, ffff8880ac1d2cc0) [ 2284.745501] The buggy address belongs to the page: [ 2284.750426] page:ffffea0002b07480 count:1 mapcount:0 mapping:ffff8880ac1d20c0 index:0xffff8880ac1d2d40 [ 2284.759862] flags: 0xfff00000000100(slab) [ 2284.764002] raw: 00fff00000000100 ffff8880ac1d20c0 ffff8880ac1d2d40 0000000100000005 [ 2284.771875] raw: ffffea000259d1e0 ffffea00029564e0 ffff88813fe74940 0000000000000000 [ 2284.779832] page dumped because: kasan: bad access detected [ 2284.785520] [ 2284.787129] Memory state around the buggy address: [ 2284.792046] ffff8880ac1d2a80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 2284.799390] ffff8880ac1d2b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2284.806742] >ffff8880ac1d2b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2284.814109] ^ [ 2284.818249] ffff8880ac1d2c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2284.825597] ffff8880ac1d2c80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 2284.832944] ================================================================== [ 2284.840292] Disabling lock debugging due to kernel taint [ 2284.850055] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 2284.850055] [ 2284.858057] CPU: 0 PID: 18075 Comm: syz-executor.4 Tainted: G B 4.14.307-syzkaller #0 [ 2284.867146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2284.876499] Call Trace: [ 2284.879090] dump_stack+0x1b2/0x281 [ 2284.882743] panic+0x21d/0x451 [ 2284.885938] ? add_taint.cold+0x16/0x16 [ 2284.889919] ? ___preempt_schedule+0x16/0x18 [ 2284.894424] ? preempt_schedule_common+0x45/0xc0 [ 2284.899198] ? ___preempt_schedule+0x16/0x18 [ 2284.903610] check_panic_on_warn.cold+0x19/0x35 [ 2284.908273] kasan_end_report+0x3a/0x40 [ 2284.912258] kasan_report_error.cold+0xa7/0x191 [ 2284.917053] ? refcount_dec_not_one+0x9a/0xc0 [ 2284.921559] __asan_report_load4_noabort+0x68/0x70 [ 2284.926485] ? refcount_dec_not_one+0x9a/0xc0 [ 2284.930967] refcount_dec_not_one+0x9a/0xc0 [ 2284.935393] refcount_dec_and_mutex_lock+0x1a/0x60 [ 2284.940328] nbd_genl_connect+0xce1/0x13e0 [ 2284.944578] ? nbd_xmit_timeout+0x500/0x500 [ 2284.948977] ? validate_nla+0x192/0x5e0 [ 2284.952960] genl_family_rcv_msg+0x572/0xb20 [ 2284.957364] ? genl_rcv+0x40/0x40 [ 2284.960803] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 2284.966316] ? __kmalloc_node_track_caller+0x4c/0x70 [ 2284.971499] ? trace_hardirqs_on+0x10/0x10 [ 2284.975748] genl_rcv_msg+0xaf/0x140 [ 2284.979582] netlink_rcv_skb+0x125/0x390 [ 2284.983632] ? genl_family_rcv_msg+0xb20/0xb20 [ 2284.988197] ? netlink_ack+0x9a0/0x9a0 [ 2284.992102] ? lock_acquire+0x170/0x3f0 [ 2284.996073] genl_rcv+0x24/0x40 [ 2284.999354] netlink_unicast+0x437/0x610 [ 2285.003452] ? netlink_sendskb+0xd0/0xd0 [ 2285.007720] ? __check_object_size+0x179/0x230 [ 2285.012391] netlink_sendmsg+0x651/0xbc0 [ 2285.016444] ? nlmsg_notify+0x1b0/0x1b0 [ 2285.020407] ? kernel_recvmsg+0x210/0x210 [ 2285.024558] ? security_socket_sendmsg+0x83/0xb0 [ 2285.029298] ? nlmsg_notify+0x1b0/0x1b0 [ 2285.033256] sock_sendmsg+0xb5/0x100 [ 2285.036972] ___sys_sendmsg+0x6c8/0x800 [ 2285.041028] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2285.045767] ? do_futex+0x127/0x1570 [ 2285.049601] ? __fget+0x23e/0x3e0 [ 2285.053050] ? lock_acquire+0x170/0x3f0 [ 2285.057019] ? lock_downgrade+0x740/0x740 [ 2285.061151] ? __fget+0x265/0x3e0 [ 2285.064599] ? __fdget+0x19b/0x1f0 [ 2285.068133] ? sockfd_lookup_light+0xb2/0x160 [ 2285.072629] __sys_sendmsg+0xa3/0x120 [ 2285.076426] ? SyS_shutdown+0x160/0x160 [ 2285.080393] ? SyS_read+0x210/0x210 [ 2285.084012] ? __do_page_fault+0x159/0xad0 [ 2285.088365] SyS_sendmsg+0x27/0x40 [ 2285.092326] ? __sys_sendmsg+0x120/0x120 [ 2285.096465] do_syscall_64+0x1d5/0x640 [ 2285.100352] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2285.105535] RIP: 0033:0x7f1c414e00f9 [ 2285.109226] RSP: 002b:00007f1c3fa52168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2285.117017] RAX: ffffffffffffffda RBX: 00007f1c415fff80 RCX: 00007f1c414e00f9 [ 2285.124560] RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000004 [ 2285.131816] RBP: 00007f1c4153bae9 R08: 0000000000000000 R09: 0000000000000000 [ 2285.139068] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 2285.146337] R13: 00007ffd4a66a19f R14: 00007f1c3fa52300 R15: 0000000000022000 [ 2285.153787] Kernel Offset: disabled [ 2285.157402] Rebooting in 86400 seconds..