et_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xfffffffc}, 0x0) 22:30:32 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r10, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:32 executing program 3: ioctl$ASHMEM_GET_NAME(0xffffffffffffffff, 0x81007702, &(0x7f0000000000)=""/119) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) ioctl$ASHMEM_GET_NAME(0xffffffffffffffff, 0x81007702, &(0x7f0000000000)=""/119) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000000), 0x2}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r1}}, 0x30) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r0, &(0x7f0000000140)={0xb, 0x10, 0xfa00, {&(0x7f0000000280), r1, 0x400}}, 0x18) 22:30:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '.'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c0}, 0x4000000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) (async, rerun: 64) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000000), 0x2}}, 0x20) (rerun: 64) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r1}}, 0x30) (async) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r0, &(0x7f0000000140)={0xb, 0x10, 0xfa00, {&(0x7f0000000280), r1, 0x400}}, 0x18) 22:30:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r10, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:32 executing program 3: 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '.'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c0}, 0x4000000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xffffffff}, 0x0) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000000), 0x2}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r1}}, 0x30) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r0, &(0x7f0000000140)={0xb, 0x10, 0xfa00, {&(0x7f0000000280), r1, 0x400}}, 0x18) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0), 0x111}}, 0x20) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000000), 0x2}}, 0x20) (async) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r1}}, 0x30) (async) write$RDMA_USER_CM_CMD_INIT_QP_ATTR(r0, &(0x7f0000000140)={0xb, 0x10, 0xfa00, {&(0x7f0000000280), r1, 0x400}}, 0x18) (async) 22:30:32 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r10, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x50000, 0x0) ioctl$UFFDIO_COPY(r1, 0xc028aa03, &(0x7f0000000040)={&(0x7f0000fec000/0x11000)=nil, &(0x7f0000ff3000/0xd000)=nil, 0x11000, 0x1}) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r2}}, 0x30) 22:30:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x2) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x50000, 0x0) ioctl$UFFDIO_COPY(r1, 0xc028aa03, &(0x7f0000000040)={&(0x7f0000fec000/0x11000)=nil, &(0x7f0000ff3000/0xd000)=nil, 0x11000, 0x1}) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r2}}, 0x30) 22:30:32 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r10, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:32 executing program 3: 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '.'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c0}, 0x4000000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x3) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x50000, 0x0) ioctl$UFFDIO_COPY(r1, 0xc028aa03, &(0x7f0000000040)={&(0x7f0000fec000/0x11000)=nil, &(0x7f0000ff3000/0xd000)=nil, 0x11000, 0x1}) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r2}}, 0x30) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) ioctl$KVM_SET_ONE_REG(r2, 0x4010aeac, &(0x7f0000000000)={0x0, 0x400}) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r1}}, 0x30) 22:30:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r10, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) (async, rerun: 32) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) ioctl$KVM_SET_ONE_REG(r2, 0x4010aeac, &(0x7f0000000000)={0x0, 0x400}) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r1}}, 0x30) 22:30:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4c528761ac77460000000000000000000005000000"], 0x33fe0}}, 0x0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r1, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0, 0x0, 0x0], 0x3}) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000180)=[0x0, 0x0]}) 22:30:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf) 22:30:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4c528761ac77460000000000000000000005000000"], 0x33fe0}}, 0x0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r1, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0, 0x0, 0x0], 0x3}) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000180)=[0x0, 0x0]}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4c528761ac77460000000000000000000005000000"], 0x33fe0}}, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r1, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0, 0x0, 0x0], 0x3}) (async) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000180)=[0x0, 0x0]}) (async) 22:30:33 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) ioctl$KVM_SET_ONE_REG(r2, 0x4010aeac, &(0x7f0000000000)={0x0, 0x400}) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r1}}, 0x30) 22:30:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 0: write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r0}}, 0x30) 22:30:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf0) 22:30:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4c528761ac77460000000000000000000005000000"], 0x33fe0}}, 0x0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r1, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0, 0x0, 0x0], 0x3}) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000180)=[0x0, 0x0]}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4c528761ac77460000000000000000000005000000"], 0x33fe0}}, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r1, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0, 0x0, 0x0], 0x3}) (async) ioctl$DRM_IOCTL_MODE_GETPLANE(r1, 0xc02064b6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x2, &(0x7f0000000180)=[0x0, 0x0]}) (async) 22:30:33 executing program 0: write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r0}}, 0x30) 22:30:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:33 executing program 0: write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r0}}, 0x30) 22:30:33 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x10, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'y'}]}, 0x28}, 0x1, 0x0, 0x0, 0x44000000}, 0x8000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 22:30:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x300) 22:30:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000040)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r2}}, 0x30) ioperm(0x5, 0x5, 0x0) 22:30:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf00) 22:30:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x10, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'y'}]}, 0x28}, 0x1, 0x0, 0x0, 0x44000000}, 0x8000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 22:30:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x3f00) 22:30:33 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000040)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r2}}, 0x30) (async) ioperm(0x5, 0x5, 0x0) 22:30:33 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:33 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x10, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'y'}]}, 0x28}, 0x1, 0x0, 0x0, 0x44000000}, 0x8000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 22:30:33 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000040)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x0, 0x0, @empty}, r2}}, 0x30) (async) ioperm(0x5, 0x5, 0x0) 22:30:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x4ae7) 22:30:33 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x400}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:30:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xe74a) 22:30:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x400}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x400}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 22:30:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf000) 22:30:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x400}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:30:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, r9, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40000000000}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x44801) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000140)={0xffffffffffffffff, 0x6, 0x80, 0xff}) socketpair(0x28, 0xa, 0x3ff, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r4, 0x101, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x81}, 0x800) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000005605000000e92f61e7d390aea1bc7374223dd9e0bea20a232fb5ba3af8de58d7f7685f4e9c24c9743dc094fec4270d1083dc5041dc1fe8305c7e486a95d0b426e17d2498cdf4247315"], 0x33fe0}}, 0x0) 22:30:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x30000) 22:30:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x34000) 22:30:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x400300) 22:30:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) (async) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, r9, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40000000000}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x44801) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000140)={0xffffffffffffffff, 0x6, 0x80, 0xff}) (async) socketpair(0x28, 0xa, 0x3ff, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r4, 0x101, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x81}, 0x800) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000005605000000e92f61e7d390aea1bc7374223dd9e0bea20a232fb5ba3af8de58d7f7685f4e9c24c9743dc094fec4270d1083dc5041dc1fe8305c7e486a95d0b426e17d2498cdf4247315"], 0x33fe0}}, 0x0) 22:30:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf0ffff) 22:30:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (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$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) (async) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, r9, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40000000000}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x44801) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) (async) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000140)={0xffffffffffffffff, 0x6, 0x80, 0xff}) (async) socketpair(0x28, 0xa, 0x3ff, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r4, 0x101, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x81}, 0x800) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000005605000000e92f61e7d390aea1bc7374223dd9e0bea20a232fb5ba3af8de58d7f7685f4e9c24c9743dc094fec4270d1083dc5041dc1fe8305c7e486a95d0b426e17d2498cdf4247315"], 0x33fe0}}, 0x0) 22:30:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x1000000) 22:30:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) setsockopt$pppl2tp_PPPOL2TP_SO_LNSMODE(r2, 0x111, 0x4, 0x1, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}]}, 0x38}, 0x1, 0x0, 0x0, 0x85}, 0x20008081) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000080)={0xffffffffffffffff, 0x6, 0x9, 0x7}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008880}, 0x4000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(0xffffffffffffffff, 0xf503, 0x0) 22:30:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) setsockopt$pppl2tp_PPPOL2TP_SO_LNSMODE(r2, 0x111, 0x4, 0x1, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}]}, 0x38}, 0x1, 0x0, 0x0, 0x85}, 0x20008081) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000080)={0xffffffffffffffff, 0x6, 0x9, 0x7}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008880}, 0x4000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(0xffffffffffffffff, 0xf503, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) setsockopt$pppl2tp_PPPOL2TP_SO_LNSMODE(r2, 0x111, 0x4, 0x1, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}]}, 0x38}, 0x1, 0x0, 0x0, 0x85}, 0x20008081) (async) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000080)={0xffffffffffffffff, 0x6, 0x9, 0x7}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008880}, 0x4000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) ioctl$F2FS_IOC_START_VOLATILE_WRITE(0xffffffffffffffff, 0xf503, 0x0) (async) 22:30:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x2000000) [ 1745.866184] nla_parse: 479 callbacks suppressed [ 1745.866193] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 22:30:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) setsockopt$pppl2tp_PPPOL2TP_SO_LNSMODE(r2, 0x111, 0x4, 0x1, 0x4) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}]}, 0x38}, 0x1, 0x0, 0x0, 0x85}, 0x20008081) (async) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000080)={0xffffffffffffffff, 0x6, 0x9, 0x7}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x1, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008880}, 0x4000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) ioctl$F2FS_IOC_START_VOLATILE_WRITE(0xffffffffffffffff, 0xf503, 0x0) [ 1745.906586] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1745.921332] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1745.930992] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1745.945125] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 22:30:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000240)=ANY=[@ANYBLOB="7217f91f19aec7354242791de30e7d4204326edb7af269276afeb351cb45650f0e4fb83194cf4cf0d0aea00c9b8687d0cf6938e0a6f4feedb1e98a4c213e9e13dad1306bc34249db3ed60a82ab1a76808072a58633ed953eb7cb415e54ad61e0b25513", @ANYRES16=0x0, @ANYBLOB="000000006a95cba400000500e100", @ANYRESDEC=r1, @ANYRES32=r2], 0x33fe0}}, 0x0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000100), r1) sendmsg$TIPC_CMD_SET_LINK_TOL(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r4, 0x10, 0x70bd25, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0xe08, @media='eth\x00'}}}, ["", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x40842}, 0x810) 22:30:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000240)=ANY=[@ANYBLOB="7217f91f19aec7354242791de30e7d4204326edb7af269276afeb351cb45650f0e4fb83194cf4cf0d0aea00c9b8687d0cf6938e0a6f4feedb1e98a4c213e9e13dad1306bc34249db3ed60a82ab1a76808072a58633ed953eb7cb415e54ad61e0b25513", @ANYRES16=0x0, @ANYBLOB="000000006a95cba400000500e100", @ANYRESDEC=r1, @ANYRES32=r2], 0x33fe0}}, 0x0) (async, rerun: 64) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 64) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000100), r1) sendmsg$TIPC_CMD_SET_LINK_TOL(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r4, 0x10, 0x70bd25, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0xe08, @media='eth\x00'}}}, ["", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x40842}, 0x810) [ 1745.954496] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1745.968589] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1745.977458] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 22:30:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000240)=ANY=[@ANYBLOB="7217f91f19aec7354242791de30e7d4204326edb7af269276afeb351cb45650f0e4fb83194cf4cf0d0aea00c9b8687d0cf6938e0a6f4feedb1e98a4c213e9e13dad1306bc34249db3ed60a82ab1a76808072a58633ed953eb7cb415e54ad61e0b25513", @ANYRES16=0x0, @ANYBLOB="000000006a95cba400000500e100", @ANYRESDEC=r1, @ANYRES32=r2], 0x33fe0}}, 0x0) (async) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000100), r1) sendmsg$TIPC_CMD_SET_LINK_TOL(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r4, 0x10, 0x70bd25, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0xe08, @media='eth\x00'}}}, ["", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x40842}, 0x810) [ 1746.065175] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1746.080189] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 22:30:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 3: r0 = syz_init_net_socket$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$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) socketpair(0x1d, 0x3, 0x101, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) r9 = signalfd4(0xffffffffffffffff, &(0x7f0000000080)={[0x8]}, 0x8, 0x800) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xe0, r3, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xe0}}, 0x48000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x3000000) 22:30:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf000000) 22:30:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) socketpair(0x1d, 0x3, 0x101, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) (async) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) (async) r9 = signalfd4(0xffffffffffffffff, &(0x7f0000000080)={[0x8]}, 0x8, 0x800) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xe0, r3, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xe0}}, 0x48000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:35 executing program 3: r0 = syz_init_net_socket$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$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) socketpair(0x1d, 0x3, 0x101, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) r9 = signalfd4(0xffffffffffffffff, &(0x7f0000000080)={[0x8]}, 0x8, 0x800) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xe0, r3, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xe0}}, 0x48000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) (async) socketpair(0x1d, 0x3, 0x101, &(0x7f0000000040)) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) (async) signalfd4(0xffffffffffffffff, &(0x7f0000000080)={[0x8]}, 0x8, 0x800) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xe0, r3, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0xe0}}, 0x48000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x3f000000) 22:30:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x9effffff) 22:30:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:35 executing program 3: r0 = syz_init_net_socket$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 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x501a00, 0x0) pipe(&(0x7f0000000100)) migrate_pages(0xffffffffffffffff, 0x1, &(0x7f0000000180)=0x6, &(0x7f00000001c0)=0x8) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$media(&(0x7f0000000140), 0x10000, 0xa0900) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000040)={0x14, r2, 0x400, 0x0, 0x25dfdbfc}, 0x52}, 0x1, 0x0, 0x0, 0x4a2a22b2cc9ea535}, 0x20000000) 22:30:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xb98d36c9) 22:30:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1746.869277] nbd: nbd4 already in use 22:30:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xc9368db9) 22:30:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x501a00, 0x0) pipe(&(0x7f0000000100)) (async) migrate_pages(0xffffffffffffffff, 0x1, &(0x7f0000000180)=0x6, &(0x7f00000001c0)=0x8) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$media(&(0x7f0000000140), 0x10000, 0xa0900) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000040)={0x14, r2, 0x400, 0x0, 0x25dfdbfc}, 0x52}, 0x1, 0x0, 0x0, 0x4a2a22b2cc9ea535}, 0x20000000) 22:30:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xe74a0000) 22:30:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x501a00, 0x0) (async) pipe(&(0x7f0000000100)) (async) migrate_pages(0xffffffffffffffff, 0x1, &(0x7f0000000180)=0x6, &(0x7f00000001c0)=0x8) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$media(&(0x7f0000000140), 0x10000, 0xa0900) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000040)={0x14, r2, 0x400, 0x0, 0x25dfdbfc}, 0x52}, 0x1, 0x0, 0x0, 0x4a2a22b2cc9ea535}, 0x20000000) 22:30:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf0ffffff) 22:30:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYRES32=r7, @ANYRES16=0x0, @ANYBLOB="00000000000000000000050000000c00080002000000000000000c00050010000000000000000c000300ffffffffffffff7f3c00078008000100", @ANYRES32=r1, @ANYBLOB="83e3ce36", @ANYRES32, @ANYRES8=r2, @ANYRES32, @ANYBLOB="08000100", @ANYRES8=r8, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="37e1c56d", @ANYRES32=r6, @ANYBLOB], 0x74}}, 0x0) 22:30:36 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xfcffffff) 22:30:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYRES32=r7, @ANYRES16=0x0, @ANYBLOB="00000000000000000000050000000c00080002000000000000000c00050010000000000000000c000300ffffffffffffff7f3c00078008000100", @ANYRES32=r1, @ANYBLOB="83e3ce36", @ANYRES32, @ANYRES8=r2, @ANYRES32, @ANYBLOB="08000100", @ANYRES8=r8, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="37e1c56d", @ANYRES32=r6, @ANYBLOB], 0x74}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYRES32=r7, @ANYRES16=0x0, @ANYBLOB="00000000000000000000050000000c00080002000000000000000c00050010000000000000000c000300ffffffffffffff7f3c00078008000100", @ANYRES32=r1, @ANYBLOB="83e3ce36", @ANYRES32, @ANYRES8=r2, @ANYRES32, @ANYBLOB="08000100", @ANYRES8=r8, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="37e1c56d", @ANYRES32=r6, @ANYBLOB], 0x74}}, 0x0) (async) 22:30:36 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) getsockopt$netrom_NETROM_N2(r6, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xfffff000) 22:30:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYRES32=r7, @ANYRES16=0x0, @ANYBLOB="00000000000000000000050000000c00080002000000000000000c00050010000000000000000c000300ffffffffffffff7f3c00078008000100", @ANYRES32=r1, @ANYBLOB="83e3ce36", @ANYRES32, @ANYRES8=r2, @ANYRES32, @ANYBLOB="08000100", @ANYRES8=r8, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="37e1c56d", @ANYRES32=r6, @ANYBLOB], 0x74}}, 0x0) 22:30:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) ioctl$UFFDIO_CONTINUE(r3, 0xc020aa07, &(0x7f0000000180)={{&(0x7f0000ff9000/0x4000)=nil, 0x4000}}) openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x82201, 0x0) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000080)={r2}, 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000440)=ANY=[@ANYBLOB="a8010000", @ANYRES16=0x0, @ANYBLOB="000825bd7000eddbdf25050000000c000800ff010000000000000c00040007000000000000002400078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="0c00078008000100", @ANYRES32=r6, @ANYBLOB="0c00078008000100", @ANYRES32=r5, @ANYBLOB="3d010a00263e57f9e0f15ea4eb4c3b066240b4ef497a813b02c311fa4128b327ede45007c4e95a1675f09225f6bcd599fdd84f1752ab730abe61ce2bcac7252affffffffffffff7fa85ddc4f1adc594e8cf77d88cde08cf201799e811441e80cf88881545163f91413fd6c392d19ac7711e5de21752cd5dd75266d885ba4eebdb733a5a6eaacb98cd744b452e0086547ad0f10b5ddfd8958bb10ac1bc081097b5edb724f96849ac03795311056633f03baf77f9eb26d12fc81b0b1dab08b705116779e5f38d1e92357062fc20ae71a8692651d898fb6c6d1e04681f0d5e08cc21b512b9980dabe04d157c60d64613837218bd20367995f7ab5f75e1c2e352078a9e13be90d08ce88644b5929053bf2161025402c8e3de0d7bef2a9413789bd1d3044408cb2902818a1c08f8de609486f7fdf4b49d310680ebf6ae16628324971"], 0x1a8}, 0x1, 0x0, 0x0, 0xc090}, 0x4082) 22:30:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xffffff7f) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) ioctl$UFFDIO_CONTINUE(r3, 0xc020aa07, &(0x7f0000000180)={{&(0x7f0000ff9000/0x4000)=nil, 0x4000}}) (async) openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x82201, 0x0) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) (async) r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000080)={r2}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000440)=ANY=[@ANYBLOB="a8010000", @ANYRES16=0x0, @ANYBLOB="000825bd7000eddbdf25050000000c000800ff010000000000000c00040007000000000000002400078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="0c00078008000100", @ANYRES32=r6, @ANYBLOB="0c00078008000100", @ANYRES32=r5, @ANYBLOB="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"], 0x1a8}, 0x1, 0x0, 0x0, 0xc090}, 0x4082) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) ioctl$UFFDIO_CONTINUE(r3, 0xc020aa07, &(0x7f0000000180)={{&(0x7f0000ff9000/0x4000)=nil, 0x4000}}) (async) openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x82201, 0x0) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000080)={r2}, 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000440)=ANY=[@ANYBLOB="a8010000", @ANYRES16=0x0, @ANYBLOB="000825bd7000eddbdf25050000000c000800ff010000000000000c00040007000000000000002400078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="0c00078008000100", @ANYRES32=r6, @ANYBLOB="0c00078008000100", @ANYRES32=r5, @ANYBLOB="3d010a00263e57f9e0f15ea4eb4c3b066240b4ef497a813b02c311fa4128b327ede45007c4e95a1675f09225f6bcd599fdd84f1752ab730abe61ce2bcac7252affffffffffffff7fa85ddc4f1adc594e8cf77d88cde08cf201799e811441e80cf88881545163f91413fd6c392d19ac7711e5de21752cd5dd75266d885ba4eebdb733a5a6eaacb98cd744b452e0086547ad0f10b5ddfd8958bb10ac1bc081097b5edb724f96849ac03795311056633f03baf77f9eb26d12fc81b0b1dab08b705116779e5f38d1e92357062fc20ae71a8692651d898fb6c6d1e04681f0d5e08cc21b512b9980dabe04d157c60d64613837218bd20367995f7ab5f75e1c2e352078a9e13be90d08ce88644b5929053bf2161025402c8e3de0d7bef2a9413789bd1d3044408cb2902818a1c08f8de609486f7fdf4b49d310680ebf6ae16628324971"], 0x1a8}, 0x1, 0x0, 0x0, 0xc090}, 0x4082) 22:30:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xffffff9e) 22:30:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xfffffff0) 22:30:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="08000280", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="08000280", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="08000280", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) (async) 22:30:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xfffffffc) 22:30:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="08000280", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x44}, 0x0) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x44}, 0x0) 22:30:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x3000000000000) 22:30:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x44}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x44}, 0x0) (async) 22:30:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x40030000000000) 22:30:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000056ae4c069227a528ac6073d796ecf28475514b3836e2b0889f8038b98c6cb68fc8cc22748cd3c84a9104a"], 0x33fe0}}, 0x0) 22:30:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000056ae4c069227a528ac6073d796ecf28475514b3836e2b0889f8038b98c6cb68fc8cc22748cd3c84a9104a"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000056ae4c069227a528ac6073d796ecf28475514b3836e2b0889f8038b98c6cb68fc8cc22748cd3c84a9104a"], 0x33fe0}}, 0x0) (async) 22:30:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000056ae4c069227a528ac6073d796ecf28475514b3836e2b0889f8038b98c6cb68fc8cc22748cd3c84a9104a"], 0x33fe0}}, 0x0) 22:30:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:38 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf0ffffffffffff) 22:30:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}}, 0x6) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) 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$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0xc4cebb64ee4f584e, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40080}, 0x4044cc0) 22:30:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x100000000000000) 22:30:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}}, 0x6) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0xc4cebb64ee4f584e, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40080}, 0x4044cc0) 22:30:38 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}}, 0x4810) syz_genetlink_get_family_id$nbd(0x0, r0) 22:30:38 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}}, 0x6) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) 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$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0xc4cebb64ee4f584e, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40080}, 0x4044cc0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x14}}, 0x6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0xc4cebb64ee4f584e, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x2, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40080}, 0x4044cc0) (async) 22:30:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x200000000000000) 22:30:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}}, 0x4810) syz_genetlink_get_family_id$nbd(0x0, r0) 22:30:38 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:38 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x300000000000000) 22:30:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}}, 0x4810) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) 22:30:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:38 executing program 3: ioctl$F2FS_IOC_COMMIT_ATOMIC_WRITE(0xffffffffffffffff, 0xf502, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x8, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x80) 22:30:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:38 executing program 3: ioctl$F2FS_IOC_COMMIT_ATOMIC_WRITE(0xffffffffffffffff, 0xf502, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x8, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x80) ioctl$F2FS_IOC_COMMIT_ATOMIC_WRITE(0xffffffffffffffff, 0xf502, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x8, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x80) (async) 22:30:38 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf00000000000000) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x3f00000000000000) 22:30:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 executing program 3: ioctl$F2FS_IOC_COMMIT_ATOMIC_WRITE(0xffffffffffffffff, 0xf502, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x8, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x80) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x2c, r2, 0x20, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8890) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x50, r2, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x30}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x1) r5 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r5, &(0x7f0000000340)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000300)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_ACCEPT(r5, &(0x7f0000000380)={0x8, 0x120, 0xfa00, {0x0, {0x0, 0x0, "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"}, r6}}, 0x128) write$RDMA_USER_CM_CMD_BIND_IP(r3, &(0x7f00000003c0)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e23, 0x8, @private0, 0x4}, r6}}, 0x30) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r2, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xc0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x8c0) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x0) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x9effffff00000000) 22:30:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x2c, r2, 0x20, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8890) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x50, r2, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x30}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x1) (async) r5 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r5, &(0x7f0000000340)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000300)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_ACCEPT(r5, &(0x7f0000000380)={0x8, 0x120, 0xfa00, {0x0, {0x0, 0x0, "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"}, r6}}, 0x128) write$RDMA_USER_CM_CMD_BIND_IP(r3, &(0x7f00000003c0)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e23, 0x8, @private0, 0x4}, r6}}, 0x30) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r2, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xc0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x8c0) (rerun: 64) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xc9368db900000000) 22:30:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x2c, r2, 0x20, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8890) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x50, r2, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x30}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x1) (async) r5 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r5, &(0x7f0000000340)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000300)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_ACCEPT(r5, &(0x7f0000000380)={0x8, 0x120, 0xfa00, {0x0, {0x0, 0x0, "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"}, r6}}, 0x128) write$RDMA_USER_CM_CMD_BIND_IP(r3, &(0x7f00000003c0)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e23, 0x8, @private0, 0x4}, r6}}, 0x30) (async, rerun: 32) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r2, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xc0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x8c0) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xe74a000000000000) 22:30:39 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:40 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$nbd(&(0x7f0000000080), r0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xf0ffffff00000000) 22:30:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = syz_init_net_socket$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$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r4, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ',./'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe0000}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x10000000) [ 1750.882200] nla_parse: 438 callbacks suppressed [ 1750.882212] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.908417] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.922024] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.931484] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.940841] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.950593] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.959935] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1750.969319] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 22:30:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xfcffffff00000000) 22:30:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r4, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ',./'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe0000}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x10000000) (rerun: 64) [ 1751.085857] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1751.097773] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 22:30:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 22:30:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:40 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$nbd(&(0x7f0000000080), r0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xffffff7f00000000) 22:30:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 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$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r4, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ',./'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe0000}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x10000000) 22:30:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:40 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 22:30:40 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) 22:30:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x0, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x891}, 0x0) 22:30:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0xfffffffffffff000) 22:30:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x0, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x891}, 0x0) 22:30:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x0, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x891}, 0x0) 22:30:40 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x28, r1, 0x200, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0xcb06a846479c2902}, 0x0) 22:30:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x0, 0x70bd2a}, 0x14}}, 0x0) 22:30:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x28, r1, 0x200, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0xcb06a846479c2902}, 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$nbd(&(0x7f0000000d80), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x28, r1, 0x200, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0xcb06a846479c2902}, 0x0) (async) 22:30:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x0, 0x70bd2a}, 0x14}}, 0x0) 22:30:41 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x28, r1, 0x200, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0xcb06a846479c2902}, 0x0) 22:30:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={0x0}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x0, 0x70bd2a}, 0x14}}, 0x0) 22:30:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000020ff0000"], 0x33fe0}}, 0x0) 22:30:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000020ff0000"], 0x33fe0}}, 0x0) 22:30:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={0x0}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}]}, 0x44}}, 0x2) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}}, 0x0) 22:30:41 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={0x0}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000020ff0000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000020ff0000"], 0x33fe0}}, 0x0) (async) 22:30:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) r9 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r9) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)=ANY=[@ANYRESOCT=r3, @ANYRESDEC=r7, @ANYRES64=r8, @ANYRES16=r5, @ANYRES64=r6, @ANYRES64=r4, @ANYRES8=r9, @ANYRES16=r2], 0x33fe0}, 0x1, 0x0, 0x0, 0x4000}, 0x40041) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) getsockopt$netrom_NETROM_T1(r10, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0x4) 22:30:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}]}, 0x44}}, 0x2) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}}, 0x0) 22:30:41 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) (async) r9 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r9) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)=ANY=[@ANYRESOCT=r3, @ANYRESDEC=r7, @ANYRES64=r8, @ANYRES16=r5, @ANYRES64=r6, @ANYRES64=r4, @ANYRES8=r9, @ANYRES16=r2], 0x33fe0}, 0x1, 0x0, 0x0, 0x4000}, 0x40041) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) (async) getsockopt$netrom_NETROM_T1(r10, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0x4) 22:30:42 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}]}, 0x44}}, 0x2) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}]}, 0x44}}, 0x2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}}, 0x0) (async) 22:30:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:42 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) r8 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) r9 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r9) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)=ANY=[@ANYRESOCT=r3, @ANYRESDEC=r7, @ANYRES64=r8, @ANYRES16=r5, @ANYRES64=r6, @ANYRES64=r4, @ANYRES8=r9, @ANYRES16=r2], 0x33fe0}, 0x1, 0x0, 0x0, 0x4000}, 0x40041) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) getsockopt$netrom_NETROM_T1(r10, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r8) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r9) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)=ANY=[@ANYRESOCT=r3, @ANYRESDEC=r7, @ANYRES64=r8, @ANYRES16=r5, @ANYRES64=r6, @ANYRES64=r4, @ANYRES8=r9, @ANYRES16=r2], 0x33fe0}, 0x1, 0x0, 0x0, 0x4000}, 0x40041) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) (async) getsockopt$netrom_NETROM_T1(r10, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0x4) (async) 22:30:42 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) 22:30:42 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x0, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x0, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x80000, 0x0) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xc0, r3, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x44, 0x0, 0x100, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x1, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYRES32=r1, @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x44, 0x0, 0x100, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x1, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYRES32=r1, @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x44, 0x0, 0x100, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x1, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYRES32=r1, @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) (async) 22:30:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x0, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 5: 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) (async) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (rerun: 32) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 64) r9 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x80000, 0x0) (async, rerun: 64) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xc0, r3, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) (async, rerun: 64) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) 22:30:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x44, 0x0, 0x100, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x1, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYRES32=r1, @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x44, 0x0, 0x100, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x1, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYRES32=r1, @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) (async) 22:30:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x80000, 0x0) r10 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xc0, r3, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x40000, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) pipe(&(0x7f0000000140)) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x80000, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r10) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xc0, r3, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) 22:30:43 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x83}]}, 0x20}}, 0x0) 22:30:43 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 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$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, r11, 0x1, 0x2}, 0x14}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, r11, 0x1, 0x2}, 0x14}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_freezer_state(r3, &(0x7f0000000000), 0x2, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/cgroups\x00', 0x0, 0x0) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x380, 0x0) openat$cgroup_freezer_state(r5, &(0x7f0000000200), 0x2, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="2d29ef8b0204d4fc1ac7500f860cff0128d961a869d2417530086453193287723357fba5640d676e46c02b3a360fe5a174375fa5da9dac4ec06d61bc4c9f57d70ad04a159f24bed4999ca9cf7744e08e55c8ee8ceb17f0372a2ce99df7c3f04144a4a5f506c299fbb115f963f8b875387656e2e6aa4d39da1da4bc7eea4bb13020c7a91821e34a603128b0f0db1dc8", @ANYRES16=r2, @ANYBLOB="e0ffffff0000001000001500000808000a006e62640008c29b9b4585924f17e96b299eb363"], 0x1c}}, 0x0) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, r11, 0x1, 0x2}, 0x14}, 0x1, 0x0, 0x0, 0x40001}, 0x0) 22:30:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_freezer_state(r3, &(0x7f0000000000), 0x2, 0x0) (async) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/cgroups\x00', 0x0, 0x0) (async) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x380, 0x0) openat$cgroup_freezer_state(r5, &(0x7f0000000200), 0x2, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), r4) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="2d29ef8b0204d4fc1ac7500f860cff0128d961a869d2417530086453193287723357fba5640d676e46c02b3a360fe5a174375fa5da9dac4ec06d61bc4c9f57d70ad04a159f24bed4999ca9cf7744e08e55c8ee8ceb17f0372a2ce99df7c3f04144a4a5f506c299fbb115f963f8b875387656e2e6aa4d39da1da4bc7eea4bb13020c7a91821e34a603128b0f0db1dc8", @ANYRES16=r2, @ANYBLOB="e0ffffff0000001000001500000808000a006e62640008c29b9b4585924f17e96b299eb363"], 0x1c}}, 0x0) 22:30:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x10) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x83}]}, 0x20}}, 0x0) 22:30:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$cgroup_freezer_state(r3, &(0x7f0000000000), 0x2, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/cgroups\x00', 0x0, 0x0) (async) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x380, 0x0) openat$cgroup_freezer_state(r5, &(0x7f0000000200), 0x2, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="2d29ef8b0204d4fc1ac7500f860cff0128d961a869d2417530086453193287723357fba5640d676e46c02b3a360fe5a174375fa5da9dac4ec06d61bc4c9f57d70ad04a159f24bed4999ca9cf7744e08e55c8ee8ceb17f0372a2ce99df7c3f04144a4a5f506c299fbb115f963f8b875387656e2e6aa4d39da1da4bc7eea4bb13020c7a91821e34a603128b0f0db1dc8", @ANYRES16=r2, @ANYBLOB="e0ffffff0000001000001500000808000a006e62640008c29b9b4585924f17e96b299eb363"], 0x1c}}, 0x0) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000008}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x5c, r3, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '}@!-/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x2004800}, 0x15) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x83}]}, 0x20}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (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$nbd(&(0x7f0000000d80), r2) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x83}]}, 0x20}}, 0x0) (async) 22:30:43 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 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$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) getsockopt$netrom_NETROM_N2(r7, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) r8 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r11, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000008}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x5c, r3, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '}@!-/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x2004800}, 0x15) 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$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000008}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x5c, r3, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '}@!-/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x2004800}, 0x15) (async) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r0, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffe}]}, 0x20}}, 0x44840) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:43 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$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000008}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x5c, r3, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '}@!-/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x2004800}, 0x15) 22:30:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:43 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r0, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffe}]}, 0x20}}, 0x44840) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:43 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYRES8=r0, @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:44 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r0, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffe}]}, 0x20}}, 0x44840) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYRES8=r0, @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYRES8=r0, @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000008}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x5c, r3, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '}@!-/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x2004800}, 0x15) 22:30:44 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) socketpair(0x5, 0x2, 0x400, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={0xffffffffffffffff, 0x9, 0x9b15, 0x101}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x900}, 0x81) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x200}, 0x14}}, 0x0) 22:30:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYRES8=r0, @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:44 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) socketpair(0x5, 0x2, 0x400, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={0xffffffffffffffff, 0x9, 0x9b15, 0x101}) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x900}, 0x81) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x200}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) socketpair(0x5, 0x2, 0x400, &(0x7f0000000080)) (async) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={0xffffffffffffffff, 0x9, 0x9b15, 0x101}) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x900}, 0x81) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x200}, 0x14}}, 0x0) (async) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 5: 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(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="92c7f9944d130f20000000", @ANYRES16=r2, @ANYBLOB="01000000000000200000050000000c0003000000008000000000"], 0x20}}, 0x0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_PORTS(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r5, 0x1}, 0x1c}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(r3, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r5, 0x800, 0x70bd27, 0x25dfdbfd, {{}, {}, {0x8, 0x11, 0x6}}, ["", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4084}, 0x845) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 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$nbd(&(0x7f0000000d80), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_freezer_state(r3, &(0x7f0000000000), 0x2, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/cgroups\x00', 0x0, 0x0) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x380, 0x0) openat$cgroup_freezer_state(r5, &(0x7f0000000200), 0x2, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), r4) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="2d29ef8b0204d4fc1ac7500f860cff0128d961a869d2417530086453193287723357fba5640d676e46c02b3a360fe5a174375fa5da9dac4ec06d61bc4c9f57d70ad04a159f24bed4999ca9cf7744e08e55c8ee8ceb17f0372a2ce99df7c3f04144a4a5f506c299fbb115f963f8b875387656e2e6aa4d39da1da4bc7eea4bb13020c7a91821e34a603128b0f0db1dc8", @ANYRES16=r2, @ANYBLOB="e0ffffff0000001000001500000808000a006e62640008c29b9b4585924f17e96b299eb363"], 0x1c}}, 0x0) 22:30:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async, rerun: 32) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) socketpair(0x5, 0x2, 0x400, &(0x7f0000000080)={0xffffffffffffffff}) (async, rerun: 32) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={0xffffffffffffffff, 0x9, 0x9b15, 0x101}) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x900}, 0x81) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x200}, 0x14}}, 0x0) 22:30:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="92c7f9944d130f20000000", @ANYRES16=r2, @ANYBLOB="01000000000000200000050000000c0003000000008000000000"], 0x20}}, 0x0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_PORTS(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r5, 0x1}, 0x1c}}, 0x0) (async) sendmsg$TIPC_CMD_SET_NODE_ADDR(r3, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r5, 0x800, 0x70bd27, 0x25dfdbfd, {{}, {}, {0x8, 0x11, 0x6}}, ["", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4084}, 0x845) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="92c7f9944d130f20000000", @ANYRES16=r2, @ANYBLOB="01000000000000200000050000000c0003000000008000000000"], 0x20}}, 0x0) (async) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_PORTS(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r5, 0x1}, 0x1c}}, 0x0) (async) sendmsg$TIPC_CMD_SET_NODE_ADDR(r3, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r5, 0x800, 0x70bd27, 0x25dfdbfd, {{}, {}, {0x8, 0x11, 0x6}}, ["", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4084}, 0x845) 22:30:44 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x99a8f0a660e0bb72, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1755.605404] nbd: nbd1 already in use 22:30:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x99a8f0a660e0bb72, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 3: r0 = syz_init_net_socket$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$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x44}, 0x1, 0x0, 0x0, 0x4011}, 0x8000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, r2, 0x1}, 0x14}}, 0xc0) 22:30:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1755.991758] nla_parse: 414 callbacks suppressed [ 1755.991767] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1756.007103] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1756.015674] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1756.026337] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1756.034882] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1756.045472] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1756.054679] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1756.063886] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 22:30:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x44}, 0x1, 0x0, 0x0, 0x4011}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:45 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1756.091738] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1756.101321] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 22:30:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, r2, 0x1}, 0x14}}, 0xc0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, r2, 0x1}, 0x14}}, 0xc0) (async) 22:30:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, 0x0, &(0x7f0000000400)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x44}, 0x1, 0x0, 0x0, 0x4011}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/zoneinfo\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (rerun: 32) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x14, r2, 0x1}, 0x14}}, 0xc0) 22:30:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x90}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x84, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 3: syz_open_dev$media(&(0x7f0000000200), 0x7fffffffffffffff, 0x400000) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+-'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x8000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000000000050000000e417ff1a905748c0919a3b830d10eb47c2bcb7e3513414dc8ad578a858aeb7e40e03bb47cb470973667fddc14e6e61be1dad67142f1a269321db87cc7a1abf661bd9c01023ae6894d70e4061afc8fbf8ae5cfaa9a41a6e844f5f73781dbb30c994023f1fa3b8841e79a5f0b502414e4bd9c6bbefdfd74c96d6da86d6e0cca7436d62fe5c69ec7701e9e21ae19a8c0ebb8de185e628be4dbec2913bc629db4"], 0x33fe0}}, 0x0) 22:30:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, 0x0, &(0x7f0000000400)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 3: syz_open_dev$media(&(0x7f0000000200), 0x7fffffffffffffff, 0x400000) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+-'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x8000) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000000000050000000e417ff1a905748c0919a3b830d10eb47c2bcb7e3513414dc8ad578a858aeb7e40e03bb47cb470973667fddc14e6e61be1dad67142f1a269321db87cc7a1abf661bd9c01023ae6894d70e4061afc8fbf8ae5cfaa9a41a6e844f5f73781dbb30c994023f1fa3b8841e79a5f0b502414e4bd9c6bbefdfd74c96d6da86d6e0cca7436d62fe5c69ec7701e9e21ae19a8c0ebb8de185e628be4dbec2913bc629db4"], 0x33fe0}}, 0x0) 22:30:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x40, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYBLOB="07000000c012f57116c980f9b6519d0f275c5d5a71797b1b367aaa89e8b732b328eeb74fb7a58aee48091deeac845bf910c500988b2260a5bae0e2d9780097199cce77fd38032691f248e363315b602d738a0333e7a54878a38b836b3df544b0427ce686e631f8e7962bda3da90d3b19468133cf3c124056020e51d6e852f7a32dd5c9f8ec786e89dfa332accf57abfcea541fa81d5040", @ANYRES16=r2, @ANYBLOB="6400000001000000"], 0x1c}}, 0x0) 22:30:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x40, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1756.688826] nbd: must specify at least one socket 22:30:45 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0)=0xffffff00, &(0x7f0000000400)=0x4) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYBLOB="07000000c012f57116c980f9b6519d0f275c5d5a71797b1b367aaa89e8b732b328eeb74fb7a58aee48091deeac845bf910c500988b2260a5bae0e2d9780097199cce77fd38032691f248e363315b602d738a0333e7a54878a38b836b3df544b0427ce686e631f8e7962bda3da90d3b19468133cf3c124056020e51d6e852f7a32dd5c9f8ec786e89dfa332accf57abfcea541fa81d5040", @ANYRES16=r2, @ANYBLOB="6400000001000000"], 0x1c}}, 0x0) 22:30:45 executing program 3: syz_open_dev$media(&(0x7f0000000200), 0x7fffffffffffffff, 0x400000) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '+-'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x8000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000000000050000000e417ff1a905748c0919a3b830d10eb47c2bcb7e3513414dc8ad578a858aeb7e40e03bb47cb470973667fddc14e6e61be1dad67142f1a269321db87cc7a1abf661bd9c01023ae6894d70e4061afc8fbf8ae5cfaa9a41a6e844f5f73781dbb30c994023f1fa3b8841e79a5f0b502414e4bd9c6bbefdfd74c96d6da86d6e0cca7436d62fe5c69ec7701e9e21ae19a8c0ebb8de185e628be4dbec2913bc629db4"], 0x33fe0}}, 0x0) 22:30:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, 0x0, &(0x7f0000000400)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x40, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1756.812217] nbd: must specify at least one socket 22:30:46 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="00000001", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x7c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1756.873395] nbd: must specify at least one socket 22:30:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYBLOB="07000000c012f57116c980f9b6519d0f275c5d5a71797b1b367aaa89e8b732b328eeb74fb7a58aee48091deeac845bf910c500988b2260a5bae0e2d9780097199cce77fd38032691f248e363315b602d738a0333e7a54878a38b836b3df544b0427ce686e631f8e7962bda3da90d3b19468133cf3c124056020e51d6e852f7a32dd5c9f8ec786e89dfa332accf57abfcea541fa81d5040", @ANYRES16=r2, @ANYBLOB="6400000001000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYBLOB="07000000c012f57116c980f9b6519d0f275c5d5a71797b1b367aaa89e8b732b328eeb74fb7a58aee48091deeac845bf910c500988b2260a5bae0e2d9780097199cce77fd38032691f248e363315b602d738a0333e7a54878a38b836b3df544b0427ce686e631f8e7962bda3da90d3b19468133cf3c124056020e51d6e852f7a32dd5c9f8ec786e89dfa332accf57abfcea541fa81d5040", @ANYRES16=r2, @ANYBLOB="6400000001000000"], 0x1c}}, 0x0) (async) 22:30:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="00000001", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="00000001", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000000)) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_BEARER_NAMES(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x400, 0x70bd29, 0x25dfdbfd, {}, ["", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x4801) 22:30:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) personality(0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f0000000080)={&(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}) ioctl$DRM_IOCTL_MODE_SETPLANE(0xffffffffffffffff, 0xc03064b7, &(0x7f00000000c0)={r2, 0x6, 0x80, 0x80000000, 0x1f, 0x97aa, 0x1000, 0xc6c, 0x7fffffff, 0xfffffe01, 0x1000, 0x7}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="62000500", @ANYRES16=r6, @ANYBLOB="000126bd7000fedbdf25050000000c000300f6010000000000000c000400080000000000000005000a002900000008000a006e62640004000a0004000a000c0002000900000000000000"], 0x50}}, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0xfffffffffffffe59, &(0x7f0000000e00)={&(0x7f0000000280)={0x20, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xb, 0x8, 0x400}]}, 0x20}}, 0x44000) 22:30:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x74, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x6c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000000)) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_BEARER_NAMES(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x400, 0x70bd29, 0x25dfdbfd, {}, ["", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x4801) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000000)) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_GET_BEARER_NAMES(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x400, 0x70bd29, 0x25dfdbfd, {}, ["", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x4801) (async) 22:30:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x5c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1757.328745] netlink: 'syz-executor.5': attribute type 8 has an invalid length. 22:30:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) personality(0x4000000) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f0000000080)={&(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}) (rerun: 32) ioctl$DRM_IOCTL_MODE_SETPLANE(0xffffffffffffffff, 0xc03064b7, &(0x7f00000000c0)={r2, 0x6, 0x80, 0x80000000, 0x1f, 0x97aa, 0x1000, 0xc6c, 0x7fffffff, 0xfffffe01, 0x1000, 0x7}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="62000500", @ANYRES16=r6, @ANYBLOB="000126bd7000fedbdf25050000000c000300f6010000000000000c000400080000000000000005000a002900000008000a006e62640004000a0004000a000c0002000900000000000000"], 0x50}}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0xfffffffffffffe59, &(0x7f0000000e00)={&(0x7f0000000280)={0x20, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xb, 0x8, 0x400}]}, 0x20}}, 0x44000) 22:30:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), &(0x7f0000000400)=0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x4c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 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$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000000)) (async) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_BEARER_NAMES(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x400, 0x70bd29, 0x25dfdbfd, {}, ["", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x4801) 22:30:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x4}]}, 0x44}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 3: setsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000040)=0x7, 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = accept4$netrom(0xffffffffffffffff, &(0x7f0000000080)={{}, [@remote, @null, @default, @netrom, @bcast, @bcast, @bcast, @rose]}, &(0x7f0000000100)=0x48, 0x800) setsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000000140)=0x1, 0x4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)=ANY=[@ANYBLOB="00d1ec0000000000d14e9bf4c3a3120000eed9ea23", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) [ 1757.622080] nbd: nbd2 already in use [ 1757.628600] netlink: 'syz-executor.5': attribute type 8 has an invalid length. 22:30:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) personality(0x4000000) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f0000000080)={&(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}) ioctl$DRM_IOCTL_MODE_SETPLANE(0xffffffffffffffff, 0xc03064b7, &(0x7f00000000c0)={r2, 0x6, 0x80, 0x80000000, 0x1f, 0x97aa, 0x1000, 0xc6c, 0x7fffffff, 0xfffffe01, 0x1000, 0x7}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r4) (rerun: 32) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="62000500", @ANYRES16=r6, @ANYBLOB="000126bd7000fedbdf25050000000c000300f6010000000000000c000400080000000000000005000a002900000008000a006e62640004000a0004000a000c0002000900000000000000"], 0x50}}, 0x10) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (rerun: 32) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0xfffffffffffffe59, &(0x7f0000000e00)={&(0x7f0000000280)={0x20, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xb, 0x8, 0x400}]}, 0x20}}, 0x44000) 22:30:46 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 3: setsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000040)=0x7, 0x4) (async, rerun: 32) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = accept4$netrom(0xffffffffffffffff, &(0x7f0000000080)={{}, [@remote, @null, @default, @netrom, @bcast, @bcast, @bcast, @rose]}, &(0x7f0000000100)=0x48, 0x800) setsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000000140)=0x1, 0x4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)=ANY=[@ANYBLOB="00d1ec0000000000d14e9bf4c3a3120000eed9ea23", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:46 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1757.736164] nbd: nbd2 already in use 22:30:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1757.780793] nbd: must specify a size in bytes for the device 22:30:47 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1757.859283] nbd: must specify a size in bytes for the device 22:30:47 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c00000081ad63b035ec186b7adad8da639f3fc777", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x20, 0x70bd2a, 0x25dfdbfe, {{}, {}, {0x8, 0x11, 0x400}}, ["", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4055}, 0x50) 22:30:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 3: setsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f0000000040)=0x7, 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = accept4$netrom(0xffffffffffffffff, &(0x7f0000000080)={{}, [@remote, @null, @default, @netrom, @bcast, @bcast, @bcast, @rose]}, &(0x7f0000000100)=0x48, 0x800) (rerun: 32) setsockopt$netrom_NETROM_N2(r1, 0x103, 0x3, &(0x7f0000000140)=0x1, 0x4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)=ANY=[@ANYBLOB="00d1ec0000000000d14e9bf4c3a3120000eed9ea23", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c00000081ad63b035ec186b7adad8da639f3fc777", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x20, 0x70bd2a, 0x25dfdbfe, {{}, {}, {0x8, 0x11, 0x400}}, ["", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4055}, 0x50) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00005cd25012934c0e91f5a6000000000000000005000000"], 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) pipe2(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x200, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x70, 0x0, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0xc000}, 0x24048040) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000140)={0xff, 0x0}, 0x8) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000180)={r8}, 0x4) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r10, 0x400, 0x70bd2c, 0x25dfdbfb}, 0x14}}, 0x0) 22:30:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c00000081ad63b035ec186b7adad8da639f3fc777", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x20, 0x70bd2a, 0x25dfdbfe, {{}, {}, {0x8, 0x11, 0x400}}, ["", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4055}, 0x50) 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$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c00000081ad63b035ec186b7adad8da639f3fc777", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, 0x0, 0x20, 0x70bd2a, 0x25dfdbfe, {{}, {}, {0x8, 0x11, 0x400}}, ["", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4055}, 0x50) (async) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00005cd25012934c0e91f5a6000000000000000005000000"], 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) pipe2(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x200, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x70, 0x0, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0xc000}, 0x24048040) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000140)={0xff, 0x0}, 0x8) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000180)={r8}, 0x4) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r10, 0x400, 0x70bd2c, 0x25dfdbfb}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00005cd25012934c0e91f5a6000000000000000005000000"], 0x33fe0}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) (async) pipe2(&(0x7f0000000200), 0x800) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x200, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x70, 0x0, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0xc000}, 0x24048040) (async) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000140)={0xff}, 0x8) (async) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000180)={r8}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) (async) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r10, 0x400, 0x70bd2c, 0x25dfdbfb}, 0x14}}, 0x0) (async) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 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$nbd(&(0x7f0000000d80), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="272080c13c5a2949db3fc1fd3644fe5407a647e9db2d1bad61aa8897b1d231913ba8b07a1e8edd95300484a7707dc4fbf97ec6df997e7104f99c3857ce5816d87e5124c6f513ae0c39c06df362a09b35adb58b291ada9fd2b3a93a05a30d08", @ANYRESHEX=r2, @ANYBLOB="010000000000000500000008000a006e626400000004"], 0x1c}}, 0x0) 22:30:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:47 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00005cd25012934c0e91f5a6000000000000000005000000"], 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) (async) pipe2(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r6) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x200, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x70, 0x0, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x70}, 0x1, 0x0, 0x0, 0xc000}, 0x24048040) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000140)={0xff, 0x0}, 0x8) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000180)={r8}, 0x4) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r10, 0x400, 0x70bd2c, 0x25dfdbfb}, 0x14}}, 0x0) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4810) 22:30:47 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:30:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="272080c13c5a2949db3fc1fd3644fe5407a647e9db2d1bad61aa8897b1d231913ba8b07a1e8edd95300484a7707dc4fbf97ec6df997e7104f99c3857ce5816d87e5124c6f513ae0c39c06df362a09b35adb58b291ada9fd2b3a93a05a30d08", @ANYRESHEX=r2, @ANYBLOB="010000000000000500000008000a006e626400000004"], 0x1c}}, 0x0) 22:30:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1758.607292] nbd: nbd4 already in use 22:30:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:47 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$nbd(&(0x7f0000000d80), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="272080c13c5a2949db3fc1fd3644fe5407a647e9db2d1bad61aa8897b1d231913ba8b07a1e8edd95300484a7707dc4fbf97ec6df997e7104f99c3857ce5816d87e5124c6f513ae0c39c06df362a09b35adb58b291ada9fd2b3a93a05a30d08", @ANYRESHEX=r2, @ANYBLOB="010000000000000500000008000a006e626400000004"], 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$nbd(&(0x7f0000000d80), r0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="272080c13c5a2949db3fc1fd3644fe5407a647e9db2d1bad61aa8897b1d231913ba8b07a1e8edd95300484a7707dc4fbf97ec6df997e7104f99c3857ce5816d87e5124c6f513ae0c39c06df362a09b35adb58b291ada9fd2b3a93a05a30d08", @ANYRESHEX=r2, @ANYBLOB="010000000000000500000008000a006e626400000004"], 0x1c}}, 0x0) (async) 22:30:47 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 3: 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(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r3, 0x300, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x8840}, 0x8050) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r3, 0x0, 0x70bd28, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x24004000}, 0x88b4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:47 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:47 executing program 3: 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(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r3, 0x300, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x8840}, 0x8050) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r3, 0x0, 0x70bd28, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x24004000}, 0x88b4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r3, 0x300, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x8840}, 0x8050) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r3, 0x0, 0x70bd28, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x24004000}, 0x88b4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:48 executing 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(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r3, 0x300, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x8840}, 0x8050) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r3, 0x0, 0x70bd28, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x24004000}, 0x88b4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="010028bd7000fddbdf25030000000c0006000000000000566bdb7c7eff41de000000000005002000000000000000080001000000000000000a00dd1736c9c3dd569489c030cf466980da8142fdd04fc5d54cc00244c50fe95704801ede450b57c7450ad592dc05fc3cf65aa6b94a55d982fdc5ca8b48ddfe2d618b72"], 0x38}, 0x1, 0x0, 0x0, 0x4081}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x70bd27, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r3, 0x300, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x8840}, 0x8050) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r3, 0x0, 0x70bd28, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x24004000}, 0x88b4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:48 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="010028bd7000fddbdf25030000000c0006000000000000566bdb7c7eff41de000000000005002000000000000000080001000000000000000a00dd1736c9c3dd569489c030cf466980da8142fdd04fc5d54cc00244c50fe95704801ede450b57c7450ad592dc05fc3cf65aa6b94a55d982fdc5ca8b48ddfe2d618b72"], 0x38}, 0x1, 0x0, 0x0, 0x4081}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x70bd27, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x34, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}]}, 0x34}}, 0x0) 22:30:48 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x34, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}]}, 0x34}}, 0x0) 22:30:48 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="010028bd7000fddbdf25030000000c0006000000000000566bdb7c7eff41de000000000005002000000000000000080001000000000000000a00dd1736c9c3dd569489c030cf466980da8142fdd04fc5d54cc00244c50fe95704801ede450b57c7450ad592dc05fc3cf65aa6b94a55d982fdc5ca8b48ddfe2d618b72"], 0x38}, 0x1, 0x0, 0x0, 0x4081}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x70bd27, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="010028bd7000fddbdf25030000000c0006000000000000566bdb7c7eff41de000000000005002000000000000000080001000000000000000a00dd1736c9c3dd569489c030cf466980da8142fdd04fc5d54cc00244c50fe95704801ede450b57c7450ad592dc05fc3cf65aa6b94a55d982fdc5ca8b48ddfe2d618b72"], 0x38}, 0x1, 0x0, 0x0, 0x4081}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x70bd27, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) 22:30:48 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x34, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}]}, 0x34}}, 0x0) (rerun: 32) 22:30:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:48 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 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$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x480000, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="00a1c0003539bbf59a724c8437891e1ceb1054b6dc1f5b942a04b6a8cf5b94a6fddcae4592150e5cee55efa3ca22fe77faf572f1522a9168c46c16e0b928e85843fb80c48010a1272ebfd7042e74e128e066f555246d77817bac87d3d86d6a582ae0378de69f17ca335a002dbff493d9949352e2f5883b2cadf51144e2ff0bc5faf22099c7df4c7a14c169818e9424b0dbc704af75db30237c253c83515534a76e3f2c", @ANYRES16=0x0, @ANYBLOB="04002bbd7000fcdbdf2501000000000000000b000000000c001473797a3000000000"], 0x28}, 0x1, 0x0, 0x0, 0x24040010}, 0x80) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) ioctl$FS_IOC_ENABLE_VERITY(r1, 0x40806685, &(0x7f0000000040)={0x1, 0x2, 0x1000, 0x1000, &(0x7f0000000e80)="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0x26, 0x0, &(0x7f0000000000)="416d1d83f7733a0871d321f46d049e86acacf66751fb3059fbea090a6efd0f91c2f676a7c3e1"}) 22:30:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) ioctl$FS_IOC_ENABLE_VERITY(r1, 0x40806685, &(0x7f0000000040)={0x1, 0x2, 0x1000, 0x1000, &(0x7f0000000e80)="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", 0x26, 0x0, &(0x7f0000000000)="416d1d83f7733a0871d321f46d049e86acacf66751fb3059fbea090a6efd0f91c2f676a7c3e1"}) 22:30:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) ioctl$FS_IOC_ENABLE_VERITY(r1, 0x40806685, &(0x7f0000000040)={0x1, 0x2, 0x1000, 0x1000, &(0x7f0000000e80)="b1397805354a33276142e9015caf8497f39dc15c111f372d05558995017eca54cb34ecc8862f0334ffd55275392bc9e1fc6a7aa5233588a507f3d5d291191c6ed4c8483d2b645ba3e7d4bf2c70704ea6b6ba5f2e8794fcc47f3c98566dc5b3cee7d5c9eb5f3d3e6187431aa550ccf70c7bfb5e12a7e99288d6815f392a8da693f9cffc7108dd9773baca73e1e8b140de44d409821f8e549b80eab61fcd2c0e7de7228767563b7d60d23ba506be2b19eabc9bce3676482a9aa4da4a029ce44b727100e1277e13a8f0552fecac2c3a80f1cb08d937d69573623f0b16d4f476254a84fbe7c7b262f367a3fafcb0e74c9f130637d16a7762069cd9fd0f8bf2870d22477e501d101dc1a29f9ae30b3d5a117af78f9c06846f06d61aced7fce077e0393ebfba753a49f85a44b5b222d25fc6e086b979a62d52065ada6708e19552b521771be7a6a2eacac465c7889a13a6f2341adf1acc1d0d7c91976a146dfde25ec3d0444289b3be2f38d7588d151d49e30a2557a4c1751eb91022bf4dc706d545a70e749ef4ca27d9ee2b3e0c167f9ad48868cab8592cc8af0860415391979bc5dce6d506a59790496c49fea93784f87a26bfa867c37b242bb8cc5a3220634520a2a38365a0e5829c70307fbe0b3716790d6b9d0fd448e650f71f6c8afdf053797a268eb150a2249af4df2588151bac4b1a4bed0324eb9702d50832dfa2fecf3387ef2660b881d14eead899159ad983f90fdef11e08dc61def40373cf7593d500595db9bf204a19450d135ab6a5981b553d311872ab16bfd7118af73767b70407becfa502b8c1e6621b3e578f6f25e4c2e72c462dd4799205b14857bde0ae7e51a46e92e550165034ded3816c701d8179516192a054a9ebeb358d61ee8f93e79dae3f11202af07852b8e5743586f3d0b642118819c12953cde0e100119e2f9b09a851b008e3be876c96dc1f6dc401e6427b9646038e399355c8a9e15417fc38c662fb8894c600ba86b2fbe6ff82ec5a519c9d02960d8a770a72f190b8e999ddaa72dd680e18b2df5a0bc1924e72af3132be4f3010d0dff6c01bdf964555412a29323dd255596068f7d510ad389ecd17baef23be5dd700ab6cf2c5229bb27e24f56b10bf189d1b84513324ef20fcaf13c7cb6137f195b6bd7c85182a2eab1bbd65da3818df240e09277a0c86a81fb357170df6a00f791ac8823c194de381f732060a657c633ef23b34a44c2b63fb3bbff848330a9969bf1d274facab7d4de8fdbbb8111b07db9da14530ea4083c0ee59c82467b9b74e7df6d22d1fee55cad8a8f22d5df82fbcabf41833a86a9b254422d023886b7c25f03a190301f18d6aa760aa13bfd8cfb74c69cc2c2137f77261df42ecba9f4909e4bacba87249ae0657320260103bf66035636635b1fea637846d66133d95c23be062e7ba4c1523e50e740d199356d5a76128630a1989cdca4ebc50e8dba496d17e8b20c42f42ce9be3eeb95e73895e42599d1c9c71832ed2c9f7316108209461836c7c719faeec1150298eee59138893ba50b25baba13f4a5767d8b1c73b3dcabc11df30aceb28a6efe6df07335758914b69b35bd52fe7bc05f041e4fc8485409fd03037181ca0f6d13b195601f22be383052a3ba9625016683e3aecd083c61d9b74b3d02822a83bc4f51897ca6a717934df121084af5d7bae9b8f1e748acda94eb1a6608a654b49a395c63eb66dbb93762519ed856e62aaec20b10ba5602d79a2389e5a8e0fc68a5aff8e82fddaca3a813773b01da8d0a1d70d7513e82afd20b402444836c39cd5d38d16b7c3457980c24cf9c4dabad925cc50f0a35f96e40f3bb6f10dec6da1ca02141e4c716f6a968b043e1cab2fc4bbf6348b57600996e9ba63100d2c296cc8b073690ec917384741dd773d04ed209c4282e7de1e6ae3678a7b6c92f2f0f78174809a15831d959e33b4e6f0dee589f6bda9d602c5902e593cb85b787d70e166e0fb5b51a41521a1c5f10454263819500a98077b8ef288e1a1ff8b4265d70d6cd4ce187205b0a8d527c3efbf56d0425c93dc030e37dae48c42b71b2c5e673055adb5a6f59ad8c8bfe48256f28cee6086099cdefa494fd77bb09d74c59802bb4aa7a7d9c226ac3ccb1be768899b12cfb5e42223f63bb52947315364939f7373a94ac93bd20c18e6a814cc36ecb2d1e8e1f8a3b19e23406b69bbdb50fab5672581857663b07c2f4e307907e31245e3e002aa4400d9ecba784f5056adb16559361bedf9959b93576acb4d2099c10cd360f0351686a7a48c5218a92998c45328d32f104f9c7a34f412448fee85851cbfba453ec56975ba19ee132a54781532ac816de57708498b24d387f65955ccfcab43aa5d125d64713876a50e4162a402134969799986618e16864332545b36e4a42265d3ad7fe0ae437a64e607f49baa7f76314272e43765906b2ff5f612f15c46243645ee99a2792018689015b96e0e2ce531c222f3dfed74335b80dad81d28e8192488e293a946edcad83fceb890ab434d94abfcb9ee60ac2f5d274464e942fdee2244dae7af5dd9c1345aba2dc152fe1b8c76bee2680cded3e18fd4c9d569171111a237810811a9a9f068176271210b6d3a0138c7feb3b6f5fa87c407ca5935fb0d29620c7ec590771ece9168cf85a9a9347d4cce4aec1d0c1465a2ed727f2d4da07f01f3fb1118044dfb81fc71f3bd89bd5a5d11dae524b0791868702345f76778a270ce6852220d8deb066682f56873f31ec721277ba980b783867f669123af8bec6078a5cb717d11be9ee74e27db2696e56dc203fd43e1ae18ccf7d280347634db1974a9c893e9a8e8506e90613dac0432a1403eb79bc1dd599469e0a6277defcac99d81d17655d55b0b1d3df53555edf3a0549959eec2f29c2e8d0e61ed9fe071ae0bf1c8443971154370c25173529bd7ebd082872699a6b7b0adb9afb384252954b92bb8e459837f039961d72562b9b87bfaa8b54e74c4d8d1a0fd84f1c1525c252e02b4dcfe264eec57a63eccdf46d665351996ac398ceb047e1ba06d8aa1d82febf18b5787c7f0b59da3d9a5aed316e3b16f2b5f497d54de934154d3bf34025b36fd955e7401d0c519d67d7b135571370c62bfbcee5aad84c873555658a909a56ec5b3cdc229e11b4ad28e6552c0db89dbac99deb60dff4424030de221645c4ee37c1deb570b0291e22a7f01a15babe36200ce9b1be0013d1d6a3ca5e80a178f05b2772e40cf1ebc386bf3ef91f689502b2c9758b9882ab74201e2179a289a728003ddd453a9f990ca378ed71ee25355e6708133742e672734cc0875a9978a718d49a29f8e29bb701ebce694e447471c34a79feb3fda5e5721c14af049ea9b4c2540958026b49290624c40d2856c4e16138eaee33a256ab2d599a32cee2320be1492f258e0934718c5d019bbfa0160ba97f7d05e39169cb98a06bbebb7500a98ecc318d44fb194b650b54dc20dc16cc95aeab48a59fbc5d78f730c79893db87db5d1f237dbbdec16534d1cfe8bd6f6d8ef5be2bfe227cccf8dcaffdc05d2c1ce85ecc59d2bb18efbb617c0979f7cc26d29c9a1cd656f7472b52721e77943cc7a4bb423dc2807e668bf13d3b09807d238b6815cf7e6c3559d22ca8fa37b7e5701f5f69e15697826110569dd09ae80965d767e46be826c75f0624b6c040bfafbc8ffae046bdb5c7fd6b8960ab579dc39cbaf45e4647de8be2451c4e46384af11e59d061df5c19be57b9516f79fde3d8bf0e67e2f5872c2e3209fc33ae0b3f71b5a07dbd3e8554f69db75260cf5c8c60ff0409cb88cfe9743f4d175839ee0235619e54fdc29e2b819361b622c1da570cb0440a2118d99288335b4d4a60e156ae79bcb0ec6b3b1a7e81c7ece3febbf5fa2ee974b7d2bc3c6c16b32f4bba7a06306e1c97bb36a87d3dc6a726770adaf1cb6733db04c0f1b8090223d0beb80cca1d8f86bbe2716cf35358e4932a3353dea7bd8dc0b711136d58bafdb15692c5aa2ac41fd6a4e1e21c7dea06fb130e263560733ae8fd4542269bd4a14134bff6e0acf79da93699eca85fd581ae24c0e60b7dd5ec9cd49204bdc9a9c41f43bf3c0906b3f7e277424339ba4f69044b4755a0d003c12345ed67dec52287d782e92c878af0bf3c35383016c53ad582d9b58c3064c01ca890f4716bd779da87d9bb68d53379c3ae33c47b6ba0862b0b80968e6283f8ac0853b1b03410f3af76552750740bdf045d52237412bb9e581f5a62c7a6380fb2a7af101d81b59bdb521fa2e0fdf1eb68089a45ebe0adf873c4bb0b5a8001d9dd99ad9ec80248c67702d5327fdbab4a23656859cc0b037e0d88acdf942386a32e220498012940dc40155ab2c72f56830aacf424cce23ecdffcf813f403507a9c9de02a3146ee966c6b6f8d35b424248c1f742d0006b1657362d5abea7c3078f8437c61cf0d3ff8b2803cc9c6512c312912eca97127324459af14a5d3fa92c922c0da1e5ae88939c7c120e72ff4b10ff633b049c84fa4fd57915b81dc125fd626893a82d6ef775cb6f8c431a653bece4cafcff4eaa395933034b2331592c61fe7e21e47b93074df5927951b8e18f70edd90de7bfdb7e9bda551ef0531b39231a36f742d94fa254c58a8bbd5592496be88d7fd62475141f7cee3c217c3f41ed05e533916a3f502ffb0fcbfea91d9ff1a03edb5c3bca49a5aa8c99c4af897c8bef44447e31ec443e5ebb57e98e26329d33540a9d3fa28fab18b9341416b8c14e4ff7c27fa0613908e1ed4b8a0b45809314417504ab104235809d4db1c3d516b98623d6b83488097d4a27e4d55778b5429e4b76a92300542cd41e5247106b1cc050e3584fee047b2e1206e1940ff75a6d4c68c0ff94022c72aa979f1024b85fbe4bd8508056c310cef126bdd5befe7e2d9b0b9f3d84d5beccf779845d2925e301c9719f8ef40c73d32d5246fa5f3a6fd069d0e56437b55d56b709edb0b769c18332012efb4f8e909113b1d8081ceaa639e2467c2f72f004dd2a4854414986070978811e6457804c8df9f4c7f78a4162cbb0a418f81cc5dfe64b0690628d0ba1989db8928d1c7feb3d5520e1c12523955b903ca677f254a7d2967e05bab1346e424feaf32abac1681b767ac8d6f504baacb65892086b911f218ca6a846d48b475a60bdef13ccbd6918bc93628031af7060dcfb8c20744f9b877ac2c4c4697aff6860b0400eba5c51207cf979151e3fc1afdafdd77d1cd033392de19820e434ff04271a7b7403f2eb93395180727b770aa880432b2080b1d967f51e816c7d71f5fdb1c2c1bc3e68d539f50b4610c24bf905a2f84c36a16720c97e1e9c9439f866f20c6772cb12c058e9c2c90850bff28ab0e67d15cb7049de761a3969e5c942d8089285eea98e6a65d03cb69b7ea67572ebd465806d1e90e97f813517f940a6b36139d298949b1403c578b45859440c7c9f61ab9042588b1bb592741134dc6e56af92878f7fb7a4a96d6d222b6b5cfa9046cfbfb1179fcee0d509b29c451646f1b091e9ea0c37cbc10a3158a54164747ce7994c0a2aee0663039546681209ae3b6fa52179ce1cc88dea32d2ac52eaac1832bc7b5d8fb149f779d9a10d8fcddf8e01979d7d87ee45e92526796b936664d81355ac1f169456386c2087135447922080cc570b5fb89a3f139fe9f3e8d532b48449287bf4cc8295a9584742568bdf1c49e8fb483a4b1c9542c06fb2ac9b9465a35add6706dd4f32f37161e92d091fb0d69936fd6c8e9108cfacc80f28e44760630431c3738f4d376d59c113b4a499874c6d73f47", 0x26, 0x0, &(0x7f0000000000)="416d1d83f7733a0871d321f46d049e86acacf66751fb3059fbea090a6efd0f91c2f676a7c3e1"}) 22:30:49 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(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 3: ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000000)={{0x80000000, 0x0, 0x1, [0x0, 0xf9a0]}, {0x80000000, 0x0, 0x0, [0x61b6, 0x10000]}, 0x10000007, [0x10001, 0x8]}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) request_key(&(0x7f0000000000)='keyring\x00', &(0x7f00000000c0)={'syz', 0x1}, &(0x7f0000000080)='/de\xf6/nbd#\x00', 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x0, 0x0, 0x800}, 0x14}}, 0x0) 22:30:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x480000, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="00a1c0003539bbf59a724c8437891e1ceb1054b6dc1f5b942a04b6a8cf5b94a6fddcae4592150e5cee55efa3ca22fe77faf572f1522a9168c46c16e0b928e85843fb80c48010a1272ebfd7042e74e128e066f555246d77817bac87d3d86d6a582ae0378de69f17ca335a002dbff493d9949352e2f5883b2cadf51144e2ff0bc5faf22099c7df4c7a14c169818e9424b0dbc704af75db30237c253c83515534a76e3f2c", @ANYRES16=0x0, @ANYBLOB="04002bbd7000fcdbdf2501000000000000000b000000000c001473797a3000000000"], 0x28}, 0x1, 0x0, 0x0, 0x24040010}, 0x80) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x480000, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="00a1c0003539bbf59a724c8437891e1ceb1054b6dc1f5b942a04b6a8cf5b94a6fddcae4592150e5cee55efa3ca22fe77faf572f1522a9168c46c16e0b928e85843fb80c48010a1272ebfd7042e74e128e066f555246d77817bac87d3d86d6a582ae0378de69f17ca335a002dbff493d9949352e2f5883b2cadf51144e2ff0bc5faf22099c7df4c7a14c169818e9424b0dbc704af75db30237c253c83515534a76e3f2c", @ANYRES16=0x0, @ANYBLOB="04002bbd7000fcdbdf2501000000000000000b000000000c001473797a3000000000"], 0x28}, 0x1, 0x0, 0x0, 0x24040010}, 0x80) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:49 executing program 3: ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000000)={{0x80000000, 0x0, 0x1, [0x0, 0xf9a0]}, {0x80000000, 0x0, 0x0, [0x61b6, 0x10000]}, 0x10000007, [0x10001, 0x8]}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) request_key(&(0x7f0000000000)='keyring\x00', &(0x7f00000000c0)={'syz', 0x1}, &(0x7f0000000080)='/de\xf6/nbd#\x00', 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x0, 0x0, 0x800}, 0x14}}, 0x0) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 3: ioctl$MEDIA_IOC_SETUP_LINK(0xffffffffffffffff, 0xc0347c03, &(0x7f0000000000)={{0x80000000, 0x0, 0x1, [0x0, 0xf9a0]}, {0x80000000, 0x0, 0x0, [0x61b6, 0x10000]}, 0x10000007, [0x10001, 0x8]}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) request_key(&(0x7f0000000000)='keyring\x00', &(0x7f00000000c0)={'syz', 0x1}, &(0x7f0000000080)='/de\xf6/nbd#\x00', 0x0) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, 0x0, 0x0, 0x0, 0x800}, 0x14}}, 0x0) 22:30:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x0, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000089", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) setsockopt$pppl2tp_PPPOL2TP_SO_SENDSEQ(r3, 0x111, 0x3, 0x0, 0x4) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) socket$pppl2tp(0x18, 0x1, 0x1) 22:30:49 executing program 3: ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f0000000300)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10a00000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r2, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x20044806}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000340)={0x0}}, 0x1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="2c0e79b7271c9ef8ffe6cda99628ba248a8291e695480be96e6aa2ed707c7be506235de433e04728aa7a8f87a4e274c880a33c0f643d13478d5f85e196a83affdc7abaa0ee29239a11ed9ad508ba610f046e2f71f90ca647c7288ad620a5a7", @ANYRES16=0x0, @ANYBLOB="08002abd7000fbdbdf25010000000c000800270f0000000000000c0008005d05000000000000"], 0x2c}}, 0x4040084) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x20080, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0xf503, 0x0) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) 22:30:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 5: 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$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000089", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) setsockopt$pppl2tp_PPPOL2TP_SO_SENDSEQ(r3, 0x111, 0x3, 0x0, 0x4) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) (async) socket$pppl2tp(0x18, 0x1, 0x1) 22:30:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x0, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:49 executing program 3: ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f0000000300)) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10a00000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r2, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x20044806}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000340)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="2c0e79b7271c9ef8ffe6cda99628ba248a8291e695480be96e6aa2ed707c7be506235de433e04728aa7a8f87a4e274c880a33c0f643d13478d5f85e196a83affdc7abaa0ee29239a11ed9ad508ba610f046e2f71f90ca647c7288ad620a5a7", @ANYRES16=0x0, @ANYBLOB="08002abd7000fbdbdf25010000000c000800270f0000000000000c0008005d05000000000000"], 0x2c}}, 0x4040084) (async) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x20080, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0xf503, 0x0) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) 22:30:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000089", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) setsockopt$pppl2tp_PPPOL2TP_SO_SENDSEQ(r3, 0x111, 0x3, 0x0, 0x4) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) socket$pppl2tp(0x18, 0x1, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000089", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) setsockopt$pppl2tp_PPPOL2TP_SO_SENDSEQ(r3, 0x111, 0x3, 0x0, 0x4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) (async) socket$pppl2tp(0x18, 0x1, 0x1) (async) 22:30:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 3: ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f0000000300)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10a00000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r2, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x20044806}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000340)={0x0}}, 0x1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="2c0e79b7271c9ef8ffe6cda99628ba248a8291e695480be96e6aa2ed707c7be506235de433e04728aa7a8f87a4e274c880a33c0f643d13478d5f85e196a83affdc7abaa0ee29239a11ed9ad508ba610f046e2f71f90ca647c7288ad620a5a7", @ANYRES16=0x0, @ANYBLOB="08002abd7000fbdbdf25010000000c000800270f0000000000000c0008005d05000000000000"], 0x2c}}, 0x4040084) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x20080, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0xf503, 0x0) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f0000000300)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10a00000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r2, 0x1, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000001}]}, 0x40}, 0x1, 0x0, 0x0, 0x20044806}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000340)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="2c0e79b7271c9ef8ffe6cda99628ba248a8291e695480be96e6aa2ed707c7be506235de433e04728aa7a8f87a4e274c880a33c0f643d13478d5f85e196a83affdc7abaa0ee29239a11ed9ad508ba610f046e2f71f90ca647c7288ad620a5a7", @ANYRES16=0x0, @ANYBLOB="08002abd7000fbdbdf25010000000c000800270f0000000000000c0008005d05000000000000"], 0x2c}}, 0x4040084) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x20080, 0x0) (async) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0xf503, 0x0) (async) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) (async) 22:30:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x0, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000040), 0xa040, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040084}, 0x1) 22:30:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[], 0x1c}}, 0x4008071) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) 22:30:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000040), 0xa040, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040084}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000040), 0xa040, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040084}, 0x1) (async) 22:30:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000040), 0xa040, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040084}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000040), 0xa040, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x20040084}, 0x1) (async) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000140)={0xffffffffffffffff, 0xe033, 0xa02b, 0x8}) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa77}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8040}, 0x4000104) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000008000000000000005000000"], 0x33fe0}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x740862d0d6395c5a}, 0x54) 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x0, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[], 0x1c}}, 0x4008071) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) 22:30:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000140)={0xffffffffffffffff, 0xe033, 0xa02b, 0x8}) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa77}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8040}, 0x4000104) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000008000000000000005000000"], 0x33fe0}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x740862d0d6395c5a}, 0x54) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000140)={0xffffffffffffffff, 0xe033, 0xa02b, 0x8}) (async) openat$procfs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa77}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8040}, 0x4000104) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000008000000000000005000000"], 0x33fe0}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x740862d0d6395c5a}, 0x54) (async) 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000140)={0xffffffffffffffff, 0xe033, 0xa02b, 0x8}) (async) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xa77}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8040}, 0x4000104) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000008000000000000005000000"], 0x33fe0}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x10, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x740862d0d6395c5a}, 0x54) 22:30:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1761.029488] nla_parse: 434 callbacks suppressed [ 1761.029497] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1761.053639] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1761.064559] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="8d00008989000000000000157637"], 0x33fe0}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) msgctl$MSG_STAT_ANY(0x0, 0xd, &(0x7f0000000180)=""/127) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032dbd7000fedbdf25030000000c00060000000000000000002c00040001000000000000800c00031004000000000000000c000500010000000000000007000a00213a3a00cf61dd6a560f2fc629c79876d4d9af7361aa27bd8bc82afe3fb456900aa86cd522279f548ed51145a856c02daf2ec303a0065c526e46398a162eb0ca63ca33fccfa83f2c37c83cb4e7c50815ea4739ea3ae1e17b1841b59556db68c93db1417db8962c480f34d3f899a51afa521dcfced47a32b08993"], 0x4c}, 0x1, 0x0, 0x0, 0x4000010}, 0x0) [ 1761.085646] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1761.094942] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1761.109192] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1761.120017] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1761.131990] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="8d00008989000000000000157637"], 0x33fe0}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) msgctl$MSG_STAT_ANY(0x0, 0xd, &(0x7f0000000180)=""/127) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032dbd7000fedbdf25030000000c00060000000000000000002c00040001000000000000800c00031004000000000000000c000500010000000000000007000a00213a3a00cf61dd6a560f2fc629c79876d4d9af7361aa27bd8bc82afe3fb456900aa86cd522279f548ed51145a856c02daf2ec303a0065c526e46398a162eb0ca63ca33fccfa83f2c37c83cb4e7c50815ea4739ea3ae1e17b1841b59556db68c93db1417db8962c480f34d3f899a51afa521dcfced47a32b08993"], 0x4c}, 0x1, 0x0, 0x0, 0x4000010}, 0x0) 22:30:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[], 0x1c}}, 0x4008071) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r3) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[], 0x1c}}, 0x4008071) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) (async) 22:30:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) [ 1761.157448] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1761.190019] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 22:30:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x90, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1761.286671] nbd: nbd0 already in use 22:30:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="8d00008989000000000000157637"], 0x33fe0}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) msgctl$MSG_STAT_ANY(0x0, 0xd, &(0x7f0000000180)=""/127) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032dbd7000fedbdf25030000000c00060000000000000000002c00040001000000000000800c00031004000000000000000c000500010000000000000007000a00213a3a00cf61dd6a560f2fc629c79876d4d9af7361aa27bd8bc82afe3fb456900aa86cd522279f548ed51145a856c02daf2ec303a0065c526e46398a162eb0ca63ca33fccfa83f2c37c83cb4e7c50815ea4739ea3ae1e17b1841b59556db68c93db1417db8962c480f34d3f899a51afa521dcfced47a32b08993"], 0x4c}, 0x1, 0x0, 0x0, 0x4000010}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="8d00008989000000000000157637"], 0x33fe0}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) msgctl$MSG_STAT_ANY(0x0, 0xd, &(0x7f0000000180)=""/127) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="00032dbd7000fedbdf25030000000c00060000000000000000002c00040001000000000000800c00031004000000000000000c000500010000000000000007000a00213a3a00cf61dd6a560f2fc629c79876d4d9af7361aa27bd8bc82afe3fb456900aa86cd522279f548ed51145a856c02daf2ec303a0065c526e46398a162eb0ca63ca33fccfa83f2c37c83cb4e7c50815ea4739ea3ae1e17b1841b59556db68c93db1417db8962c480f34d3f899a51afa521dcfced47a32b08993"], 0x4c}, 0x1, 0x0, 0x0, 0x4000010}, 0x0) (async) 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x4c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYRESDEC=r0, @ANYRES16=r0, @ANYRES16=r1, @ANYRESHEX=r0, @ANYBLOB="8f5d61ab2ab31d932177c9401b2d559b350722100cdbaaaaa8c2c11056b49cf16b0f53e73957bc1205327d0a19bc67114a49cab5d3bd4168c848b1729fb09a95b36c17e4a0154dd4614dde31e7a627ed5af783a28dbd430b4dd1e7b829c625338e5087b030c962cd3ad1389ba5506174d2dfed9703715ce31c0cba122d95382d93157f85c6c3eb904cca080fbe64c1ff88c947a3d5d0ea2bdf3c6b5c66fab2b2a4ec0d978e7829f1b497f5ec4f858b68a0926b33a24b27a639ecdda6c0f8341b1b5f15367c2d00", @ANYRESOCT=r0], 0x1c}, 0x1, 0x0, 0x0, 0x45}, 0x448d5) 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x4c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x0f!\\*\xab[\\\\'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x242827d0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x48884}, 0x4000000) 22:30:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x0f!\\*\xab[\\\\'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x242827d0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x48884}, 0x4000000) 22:30:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x0f!\\*\xab[\\\\'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x242827d0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x48884}, 0x4000000) 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x4c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYRESDEC=r0, @ANYRES16=r0, @ANYRES16=r1, @ANYRESHEX=r0, @ANYBLOB="8f5d61ab2ab31d932177c9401b2d559b350722100cdbaaaaa8c2c11056b49cf16b0f53e73957bc1205327d0a19bc67114a49cab5d3bd4168c848b1729fb09a95b36c17e4a0154dd4614dde31e7a627ed5af783a28dbd430b4dd1e7b829c625338e5087b030c962cd3ad1389ba5506174d2dfed9703715ce31c0cba122d95382d93157f85c6c3eb904cca080fbe64c1ff88c947a3d5d0ea2bdf3c6b5c66fab2b2a4ec0d978e7829f1b497f5ec4f858b68a0926b33a24b27a639ecdda6c0f8341b1b5f15367c2d00", @ANYRESOCT=r0], 0x1c}, 0x1, 0x0, 0x0, 0x45}, 0x448d5) 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$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYRESDEC=r0, @ANYRES16=r0, @ANYRES16=r1, @ANYRESHEX=r0, @ANYBLOB="8f5d61ab2ab31d932177c9401b2d559b350722100cdbaaaaa8c2c11056b49cf16b0f53e73957bc1205327d0a19bc67114a49cab5d3bd4168c848b1729fb09a95b36c17e4a0154dd4614dde31e7a627ed5af783a28dbd430b4dd1e7b829c625338e5087b030c962cd3ad1389ba5506174d2dfed9703715ce31c0cba122d95382d93157f85c6c3eb904cca080fbe64c1ff88c947a3d5d0ea2bdf3c6b5c66fab2b2a4ec0d978e7829f1b497f5ec4f858b68a0926b33a24b27a639ecdda6c0f8341b1b5f15367c2d00", @ANYRESOCT=r0], 0x1c}, 0x1, 0x0, 0x0, 0x45}, 0x448d5) (async) 22:30:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 3: ioctl$KVM_GET_VCPU_EVENTS(0xffffffffffffffff, 0x8040ae9f, &(0x7f0000000000)) r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(r0, &(0x7f0000000100)={0x15, 0x110, 0xfa00, {0xffffffffffffffff, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x4e24, @rand_addr=0x64010102}, @in={0x2, 0x4e22, @private=0xa010100}}}, 0x118) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_GET_REGS(0xffffffffffffffff, 0x8090ae81, &(0x7f0000000040)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x88, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1761.773006] nbd: must specify at least one socket 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x80, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 3: ioctl$KVM_GET_VCPU_EVENTS(0xffffffffffffffff, 0x8040ae9f, &(0x7f0000000000)) (async) r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) (async) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(r0, &(0x7f0000000100)={0x15, 0x110, 0xfa00, {0xffffffffffffffff, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x4e24, @rand_addr=0x64010102}, @in={0x2, 0x4e22, @private=0xa010100}}}, 0x118) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_GET_REGS(0xffffffffffffffff, 0x8090ae81, &(0x7f0000000040)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:51 executing program 3: ioctl$KVM_GET_VCPU_EVENTS(0xffffffffffffffff, 0x8040ae9f, &(0x7f0000000000)) (async) r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) (async) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(r0, &(0x7f0000000100)={0x15, 0x110, 0xfa00, {0xffffffffffffffff, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x4e24, @rand_addr=0x64010102}, @in={0x2, 0x4e22, @private=0xa010100}}}, 0x118) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) ioctl$KVM_GET_REGS(0xffffffffffffffff, 0x8090ae81, &(0x7f0000000040)) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x80, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x98, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x98}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYRESDEC=r0, @ANYRES16=r0, @ANYRES16=r1, @ANYRESHEX=r0, @ANYBLOB="8f5d61ab2ab31d932177c9401b2d559b350722100cdbaaaaa8c2c11056b49cf16b0f53e73957bc1205327d0a19bc67114a49cab5d3bd4168c848b1729fb09a95b36c17e4a0154dd4614dde31e7a627ed5af783a28dbd430b4dd1e7b829c625338e5087b030c962cd3ad1389ba5506174d2dfed9703715ce31c0cba122d95382d93157f85c6c3eb904cca080fbe64c1ff88c947a3d5d0ea2bdf3c6b5c66fab2b2a4ec0d978e7829f1b497f5ec4f858b68a0926b33a24b27a639ecdda6c0f8341b1b5f15367c2d00", @ANYRESOCT=r0], 0x1c}, 0x1, 0x0, 0x0, 0x45}, 0x448d5) 22:30:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) 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$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x81800) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r4, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}}, 0x8000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2044041}, 0x4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f00000002c0)=ANY=[@ANYBLOB="809a705e38ea4517a327da65ec957332243402c04d8d42e2a93576b17684805960125dac6a49819c8728f4c3bde492866d7148f7665adbe31a32236d0f2e4e0a1dce77a991c0c092eb4cdc7fc92db74afdd947d4d3e6488d76894c4e5bc09771fd43ee75dfe64f38184470770c2df1ce70323e837233699c30582343553ff5444706ab22fc29b34ec5bafa4a07f6a8ff50a661e5d0f6148bae2a5268437d5ed054a65d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x78, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x70, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x4, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x9883) accept$netrom(0xffffffffffffffff, &(0x7f0000000240)={{0x3, @null}, [@null, @bcast, @netrom, @rose, @remote, @netrom, @null, @rose]}, &(0x7f00000002c0)=0x48) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2d, 0x4, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x4000090) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x81800) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r4, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}}, 0x8000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2044041}, 0x4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f00000002c0)=ANY=[@ANYBLOB="809a705e38ea4517a327da65ec957332243402c04d8d42e2a93576b17684805960125dac6a49819c8728f4c3bde492866d7148f7665adbe31a32236d0f2e4e0a1dce77a991c0c092eb4cdc7fc92db74afdd947d4d3e6488d76894c4e5bc09771fd43ee75dfe64f38184470770c2df1ce70323e837233699c30582343553ff5444706ab22fc29b34ec5bafa4a07f6a8ff50a661e5d0f6148bae2a5268437d5ed054a65d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) pipe2(&(0x7f0000000140), 0x81800) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r4, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}}, 0x8000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2044041}, 0x4) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f00000002c0)=ANY=[@ANYBLOB="809a705e38ea4517a327da65ec957332243402c04d8d42e2a93576b17684805960125dac6a49819c8728f4c3bde492866d7148f7665adbe31a32236d0f2e4e0a1dce77a991c0c092eb4cdc7fc92db74afdd947d4d3e6488d76894c4e5bc09771fd43ee75dfe64f38184470770c2df1ce70323e837233699c30582343553ff5444706ab22fc29b34ec5bafa4a07f6a8ff50a661e5d0f6148bae2a5268437d5ed054a65d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) (async) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x68, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x4, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x9883) accept$netrom(0xffffffffffffffff, &(0x7f0000000240)={{0x3, @null}, [@null, @bcast, @netrom, @rose, @remote, @netrom, @null, @rose]}, &(0x7f00000002c0)=0x48) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2d, 0x4, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x4000090) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x60, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x81800) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r4, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}}, 0x8000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2044041}, 0x4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f00000002c0)=ANY=[@ANYBLOB="809a705e38ea4517a327da65ec957332243402c04d8d42e2a93576b17684805960125dac6a49819c8728f4c3bde492866d7148f7665adbe31a32236d0f2e4e0a1dce77a991c0c092eb4cdc7fc92db74afdd947d4d3e6488d76894c4e5bc09771fd43ee75dfe64f38184470770c2df1ce70323e837233699c30582343553ff5444706ab22fc29b34ec5bafa4a07f6a8ff50a661e5d0f6148bae2a5268437d5ed054a65d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r2) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) pipe2(&(0x7f0000000140), 0x81800) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r7) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r4, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffff}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}}, 0x8000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x300, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2044041}, 0x4) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f00000002c0)=ANY=[@ANYBLOB="809a705e38ea4517a327da65ec957332243402c04d8d42e2a93576b17684805960125dac6a49819c8728f4c3bde492866d7148f7665adbe31a32236d0f2e4e0a1dce77a991c0c092eb4cdc7fc92db74afdd947d4d3e6488d76894c4e5bc09771fd43ee75dfe64f38184470770c2df1ce70323e837233699c30582343553ff5444706ab22fc29b34ec5bafa4a07f6a8ff50a661e5d0f6148bae2a5268437d5ed054a65d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) (async) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1762.338818] nbd: nbd1 already in use 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x58, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x4, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x9883) accept$netrom(0xffffffffffffffff, &(0x7f0000000240)={{0x3, @null}, [@null, @bcast, @netrom, @rose, @remote, @netrom, @null, @rose]}, &(0x7f00000002c0)=0x48) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2d, 0x4, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x4000090) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x4, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x9883) (async) accept$netrom(0xffffffffffffffff, &(0x7f0000000240)={{0x3, @null}, [@null, @bcast, @netrom, @rose, @remote, @netrom, @null, @rose]}, &(0x7f00000002c0)=0x48) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2d, 0x4, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x4000090) (async) 22:30:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x50, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x4}]}, 0x50}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x48, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_SOCKETS={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) ioctl$USBDEVFS_IOCTL(r0, 0xc0105512, &(0x7f0000000000)=@usbdevfs_disconnect={0x10001}) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x3]}, 0x8, 0x40000) ioctl$USBDEVFS_SETCONFIGURATION(r1, 0x80045505, &(0x7f0000000080)=0x3) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14004000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:51 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) ioctl$USBDEVFS_IOCTL(r0, 0xc0105512, &(0x7f0000000000)=@usbdevfs_disconnect={0x10001}) (async, rerun: 32) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x3]}, 0x8, 0x40000) (rerun: 32) ioctl$USBDEVFS_SETCONFIGURATION(r1, 0x80045505, &(0x7f0000000080)=0x3) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14004000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x3c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84080) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0004000000000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="5a4bedd0", @ANYRES16=r4, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:51 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) (async) ioctl$USBDEVFS_IOCTL(r0, 0xc0105512, &(0x7f0000000000)=@usbdevfs_disconnect={0x10001}) (async) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x3]}, 0x8, 0x40000) ioctl$USBDEVFS_SETCONFIGURATION(r1, 0x80045505, &(0x7f0000000080)=0x3) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14004000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x60, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)={0x20, 0x0, 0x4, 0x70bd27, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x16}]}, 0x20}}, 0x0) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x100, 0x70bd26, 0x2, {{}, {}, {0x14, 0x19, {0x4, 0x10000, 0x6, 0xffffff80}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x8040000}, 0x80) [ 1762.829741] nbd: must specify a size in bytes for the device [ 1762.859740] nbd: nbd1 already in use 22:30:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84080) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0004000000000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000000) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="5a4bedd0", @ANYRES16=r4, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)={0x20, 0x0, 0x4, 0x70bd27, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x16}]}, 0x20}}, 0x0) (async) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x100, 0x70bd26, 0x2, {{}, {}, {0x14, 0x19, {0x4, 0x10000, 0x6, 0xffffff80}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x8040000}, 0x80) 22:30:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1762.958594] nbd: must specify a size in bytes for the device [ 1762.974573] nbd: must specify at least one socket 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x30, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)={0x20, 0x0, 0x4, 0x70bd27, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x16}]}, 0x20}}, 0x0) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x100, 0x70bd26, 0x2, {{}, {}, {0x14, 0x19, {0x4, 0x10000, 0x6, 0xffffff80}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x8040000}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)={0x20, 0x0, 0x4, 0x70bd27, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x16}]}, 0x20}}, 0x0) (async) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x100, 0x70bd26, 0x2, {{}, {}, {0x14, 0x19, {0x4, 0x10000, 0x6, 0xffffff80}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x8040000}, 0x80) (async) 22:30:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x60, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1763.017798] nbd: must specify a size in bytes for the device 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4810) 22:30:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84080) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0004000000000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="5a4bedd0", @ANYRES16=r4, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) pipe2(&(0x7f00000000c0), 0x84080) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0004000000000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="5a4bedd0", @ANYRES16=r4, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) sendmsg$TIPC_CMD_DISABLE_BEARER(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x18, 0x13, @l2={'ib', 0x3a, 'veth1_to_batadv\x00'}}}, ["", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x44810}, 0x880) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1763.215980] nbd: must specify at least one socket 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x60, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYBLOB="ff0e227f7fb5db743bcb0092137f0f7d937efd4b27908bf56446b13b23e855ffffff7f15f732d92c39feb3c1ca450c40f4aa", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:52 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) sendmsg$TIPC_CMD_DISABLE_BEARER(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x18, 0x13, @l2={'ib', 0x3a, 'veth1_to_batadv\x00'}}}, ["", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x44810}, 0x880) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) (async) sendmsg$TIPC_CMD_DISABLE_BEARER(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x18, 0x13, @l2={'ib', 0x3a, 'veth1_to_batadv\x00'}}}, ["", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x44810}, 0x880) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1763.387987] nbd: must specify at least one socket 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYBLOB="ff0e227f7fb5db743bcb0092137f0f7d937efd4b27908bf56446b13b23e855ffffff7f15f732d92c39feb3c1ca450c40f4aa", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) sendmsg$TIPC_CMD_DISABLE_BEARER(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x18, 0x13, @l2={'ib', 0x3a, 'veth1_to_batadv\x00'}}}, ["", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x44810}, 0x880) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) (async) sendmsg$TIPC_CMD_DISABLE_BEARER(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {{}, {}, {0x18, 0x13, @l2={'ib', 0x3a, 'veth1_to_batadv\x00'}}}, ["", "", "", "", ""]}, 0x34}, 0x1, 0x0, 0x0, 0x44810}, 0x880) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 5: 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$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)=ANY=[@ANYBLOB="ff0e227f7fb5db743bcb0092137f0f7d937efd4b27908bf56446b13b23e855ffffff7f15f732d92c39feb3c1ca450c40f4aa", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84080) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0004000000000000000000"], 0x70}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="5a4bedd0", @ANYRES16=r4, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) 22:30:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14}, 0x14}}, 0x40400c5) 22:30:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14}, 0x14}}, 0x40400c5) 22:30:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14}, 0x14}}, 0x40400c5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14}, 0x14}}, 0x40400c5) (async) 22:30:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1a}}, 0x0) 22:30:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x2]}, 0x8, 0x80000) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x104000) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x5000, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ':]&^\'-'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*\xe3&\xc4+!'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20008084}, 0x14) 22:30:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1a}}, 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$nbd(&(0x7f0000000d80), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1a}}, 0x0) (async) 22:30:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x2]}, 0x8, 0x80000) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x104000) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x5000, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ':]&^\'-'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*\xe3&\xc4+!'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20008084}, 0x14) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x2]}, 0x8, 0x80000) (async) pipe2(&(0x7f0000000080), 0x104000) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x5000, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ':]&^\'-'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*\xe3&\xc4+!'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20008084}, 0x14) (async) 22:30:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x2]}, 0x8, 0x80000) pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x104000) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x5000, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ':]&^\'-'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*\xe3&\xc4+!'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20008084}, 0x14) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x2]}, 0x8, 0x80000) (async) pipe2(&(0x7f0000000080), 0x104000) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x5000, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ':]&^\'-'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*\xe3&\xc4+!'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x20008084}, 0x14) (async) 22:30:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1a}}, 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$nbd(&(0x7f0000000d80), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1a}}, 0x0) (async) [ 1764.004591] nbd: nbd4 already in use 22:30:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) (async) 22:30:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) (async) 22:30:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1764.226706] nbd: nbd2 already in use 22:30:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r3, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x24042851}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0xfffffffffffffff8, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8044}, 0x0) 22:30:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:53 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&-'}]}, 0x2c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00aae4f9142398210b053d23783a"], 0x33fe0}}, 0x0) 22:30:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&-'}]}, 0x2c}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00aae4f9142398210b053d23783a"], 0x33fe0}}, 0x0) 22:30:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r3, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x24042851}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0xfffffffffffffff8, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8044}, 0x0) 22:30:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&-'}]}, 0x2c}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00aae4f9142398210b053d23783a"], 0x33fe0}}, 0x0) 22:30:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r3, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x24042851}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0xfffffffffffffff8, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8044}, 0x0) 22:30:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x3c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, r2, 0x0, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x20028881}, 0x0) 22:30:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x100, 0x70bd26, 0x25dfdbfd, {{}, {}, {0x14, 0x19, {0x5, 0xc625, 0x1}}}, ["", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x40000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000580)={0x0, 0x1, 0x0, &(0x7f0000000180)=[{}], 0x5, 0x0, &(0x7f0000000200)=[{}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000440)=[{0x0, 0x80000000, 0x0, {0x0}}], 0x6, 0x0, &(0x7f0000000480)=[{}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000006c0)={0x80000000, &(0x7f0000000600)=[{}, {0x80000000, 0x0}], &(0x7f0000000640)}) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, &(0x7f0000000700)={{0x80000000, r5, 0x2, [0x1]}, {0x80000000, r6, 0x1, [0x3, 0x9]}, 0x1, [0x5, 0x580]}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r1, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x3c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, r2, 0x0, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x20028881}, 0x0) 22:30:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x100, 0x70bd26, 0x25dfdbfd, {{}, {}, {0x14, 0x19, {0x5, 0xc625, 0x1}}}, ["", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x40000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000580)={0x0, 0x1, 0x0, &(0x7f0000000180)=[{}], 0x5, 0x0, &(0x7f0000000200)=[{}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000440)=[{0x0, 0x80000000, 0x0, {0x0}}], 0x6, 0x0, &(0x7f0000000480)=[{}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000006c0)={0x80000000, &(0x7f0000000600)=[{}, {0x80000000, 0x0}], &(0x7f0000000640)}) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, &(0x7f0000000700)={{0x80000000, r5, 0x2, [0x1]}, {0x80000000, r6, 0x1, [0x3, 0x9]}, 0x1, [0x5, 0x580]}) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) (rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000080)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x3c}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14, r2, 0x0, 0x70bd2b}, 0x14}, 0x1, 0x0, 0x0, 0x20028881}, 0x0) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x8c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r2) (async) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x100, 0x70bd26, 0x25dfdbfd, {{}, {}, {0x14, 0x19, {0x5, 0xc625, 0x1}}}, ["", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x40000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) ioctl$MEDIA_IOC_G_TOPOLOGY(r2, 0xc0487c04, &(0x7f0000000580)={0x0, 0x1, 0x0, &(0x7f0000000180)=[{}], 0x5, 0x0, &(0x7f0000000200)=[{}, {}, {}, {}, {}], 0x1, 0x0, &(0x7f0000000440)=[{0x0, 0x80000000, 0x0, {0x0}}], 0x6, 0x0, &(0x7f0000000480)=[{}, {}, {}, {}, {}, {}]}) (async, rerun: 64) ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f00000006c0)={0x80000000, &(0x7f0000000600)=[{}, {0x80000000, 0x0}], &(0x7f0000000640)}) (rerun: 64) ioctl$MEDIA_IOC_SETUP_LINK(r2, 0xc0347c03, &(0x7f0000000700)={{0x80000000, r5, 0x2, [0x1]}, {0x80000000, r6, 0x1, [0x3, 0x9]}, 0x1, [0x5, 0x580]}) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 3: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x100, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0xc, 0x14, 'syz1\x00'}}}, 0x28}, 0x1, 0x0, 0x0, 0x8880}, 0x10048000) 22:30:54 executing program 3: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x100, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0xc, 0x14, 'syz1\x00'}}}, 0x28}, 0x1, 0x0, 0x0, 0x8880}, 0x10048000) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 3: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x100, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0xc, 0x14, 'syz1\x00'}}}, 0x28}, 0x1, 0x0, 0x0, 0x8880}, 0x10048000) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x100, 0x70bd2d, 0x25dfdbfb, {{}, {}, {0xc, 0x14, 'syz1\x00'}}}, 0x28}, 0x1, 0x0, 0x0, 0x8880}, 0x10048000) (async) 22:30:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x8c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ',-:G-+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) pipe2(&(0x7f0000000200), 0x800) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005800000943c797a30bb7ba72455bd25092a1c0decac9addae5a6d5bdfa711b4165a1d386971bc6772228d060e425df864867f4d850d0e14c75faa44dc37c3175aef1a5e7712b4fb8bea7956a0a11145cfb26e4c4582839a04f9ec7ffcd29e0cffeeaa2bd33279badcf0b92ecc5d316d66fa0119ebd40a8ffd03b095d7bb12a65e2ba0c2fc9413e3b51f276422f2a392c41b51cd695f95d76db851ba48dea1d03f53e50b3fbfdfff5a6374ee8292d9bd00f6edb79b881d492d004c0cfeec6ab28305f31c54d9b4901ce995fb96e1322782faa8"], 0x33fe0}}, 0x0) 22:30:54 executing program 5: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000200), 0x313200, 0x0) ioctl$FS_IOC_GETFLAGS(r0, 0x80086601, &(0x7f0000000240)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) ioctl$KVM_TPR_ACCESS_REPORTING(r4, 0xc028ae92, &(0x7f0000000280)={0x8, 0x7}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r3, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x390}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20400d0}, 0x8018) getitimer(0x1, &(0x7f0000000080)) 22:30:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ',-:G-+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) pipe2(&(0x7f0000000200), 0x800) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005800000943c797a30bb7ba72455bd25092a1c0decac9addae5a6d5bdfa711b4165a1d386971bc6772228d060e425df864867f4d850d0e14c75faa44dc37c3175aef1a5e7712b4fb8bea7956a0a11145cfb26e4c4582839a04f9ec7ffcd29e0cffeeaa2bd33279badcf0b92ecc5d316d66fa0119ebd40a8ffd03b095d7bb12a65e2ba0c2fc9413e3b51f276422f2a392c41b51cd695f95d76db851ba48dea1d03f53e50b3fbfdfff5a6374ee8292d9bd00f6edb79b881d492d004c0cfeec6ab28305f31c54d9b4901ce995fb96e1322782faa8"], 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ',-:G-+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) (async) pipe2(&(0x7f0000000200), 0x800) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005800000943c797a30bb7ba72455bd25092a1c0decac9addae5a6d5bdfa711b4165a1d386971bc6772228d060e425df864867f4d850d0e14c75faa44dc37c3175aef1a5e7712b4fb8bea7956a0a11145cfb26e4c4582839a04f9ec7ffcd29e0cffeeaa2bd33279badcf0b92ecc5d316d66fa0119ebd40a8ffd03b095d7bb12a65e2ba0c2fc9413e3b51f276422f2a392c41b51cd695f95d76db851ba48dea1d03f53e50b3fbfdfff5a6374ee8292d9bd00f6edb79b881d492d004c0cfeec6ab28305f31c54d9b4901ce995fb96e1322782faa8"], 0x33fe0}}, 0x0) (async) 22:30:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x84, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x84}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, ',-:G-+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) pipe2(&(0x7f0000000200), 0x800) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005800000943c797a30bb7ba72455bd25092a1c0decac9addae5a6d5bdfa711b4165a1d386971bc6772228d060e425df864867f4d850d0e14c75faa44dc37c3175aef1a5e7712b4fb8bea7956a0a11145cfb26e4c4582839a04f9ec7ffcd29e0cffeeaa2bd33279badcf0b92ecc5d316d66fa0119ebd40a8ffd03b095d7bb12a65e2ba0c2fc9413e3b51f276422f2a392c41b51cd695f95d76db851ba48dea1d03f53e50b3fbfdfff5a6374ee8292d9bd00f6edb79b881d492d004c0cfeec6ab28305f31c54d9b4901ce995fb96e1322782faa8"], 0x33fe0}}, 0x0) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 3: write$khugepaged_scan(0xffffffffffffffff, &(0x7f0000000000), 0x8) ioctl$KVM_TPR_ACCESS_REPORTING(0xffffffffffffffff, 0xc028ae92, &(0x7f0000000640)={0xfffffffe, 0x8}) ioctl$KVM_SET_FPU(0xffffffffffffffff, 0x41a0ae8d, &(0x7f0000000100)={'\x00', 0x2, 0x4, 0x7, 0x0, 0x3, 0xf000, 0x1000, '\x00', 0x3f}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe2(&(0x7f00000002c0), 0x4080) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) bpf$ITER_CREATE(0x21, &(0x7f0000000040)={r1}, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r1, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x30, r2, 0x4, 0x70bd29, 0x25dfdbfb, {{}, {}, {0x14, 0x19, {0x80000001, 0x200001, 0x1b7e, 0x4}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4000001}, 0x1) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16=r4, @ANYBLOB="000000000032f052e211d9000500000000000000"], 0x33fe0}, 0x1, 0x0, 0x0, 0x80}, 0x20000003) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000300), 0x1, 0x0) 22:30:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:55 executing program 5: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000200), 0x313200, 0x0) ioctl$FS_IOC_GETFLAGS(r0, 0x80086601, &(0x7f0000000240)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) ioctl$KVM_TPR_ACCESS_REPORTING(r4, 0xc028ae92, &(0x7f0000000280)={0x8, 0x7}) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r3, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x390}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20400d0}, 0x8018) getitimer(0x1, &(0x7f0000000080)) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000200), 0x313200, 0x0) (async) ioctl$FS_IOC_GETFLAGS(r0, 0x80086601, &(0x7f0000000240)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) (async) ioctl$KVM_TPR_ACCESS_REPORTING(r4, 0xc028ae92, &(0x7f0000000280)={0x8, 0x7}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r3, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x390}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20400d0}, 0x8018) (async) getitimer(0x1, &(0x7f0000000080)) (async) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x84, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x84}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, 0x0, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 3: write$khugepaged_scan(0xffffffffffffffff, &(0x7f0000000000), 0x8) (async) ioctl$KVM_TPR_ACCESS_REPORTING(0xffffffffffffffff, 0xc028ae92, &(0x7f0000000640)={0xfffffffe, 0x8}) ioctl$KVM_SET_FPU(0xffffffffffffffff, 0x41a0ae8d, &(0x7f0000000100)={'\x00', 0x2, 0x4, 0x7, 0x0, 0x3, 0xf000, 0x1000, '\x00', 0x3f}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) pipe2(&(0x7f00000002c0), 0x4080) (async) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) bpf$ITER_CREATE(0x21, &(0x7f0000000040)={r1}, 0x8) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) (async, rerun: 32) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r1, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x30, r2, 0x4, 0x70bd29, 0x25dfdbfb, {{}, {}, {0x14, 0x19, {0x80000001, 0x200001, 0x1b7e, 0x4}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4000001}, 0x1) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16=r4, @ANYBLOB="000000000032f052e211d9000500000000000000"], 0x33fe0}, 0x1, 0x0, 0x0, 0x80}, 0x20000003) (async) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000300), 0x1, 0x0) 22:30:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, 0x0, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1766.089160] nla_parse: 420 callbacks suppressed [ 1766.089171] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1766.107627] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1766.126460] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 22:30:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, 0x0, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1766.135142] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1766.145793] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1766.162149] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1766.173594] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) [ 1766.182860] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 5: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000200), 0x313200, 0x0) ioctl$FS_IOC_GETFLAGS(r0, 0x80086601, &(0x7f0000000240)) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) ioctl$KVM_TPR_ACCESS_REPORTING(r4, 0xc028ae92, &(0x7f0000000280)={0x8, 0x7}) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r3, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x390}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20400d0}, 0x8018) (async) getitimer(0x1, &(0x7f0000000080)) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:55 executing program 3: write$khugepaged_scan(0xffffffffffffffff, &(0x7f0000000000), 0x8) ioctl$KVM_TPR_ACCESS_REPORTING(0xffffffffffffffff, 0xc028ae92, &(0x7f0000000640)={0xfffffffe, 0x8}) (async) ioctl$KVM_SET_FPU(0xffffffffffffffff, 0x41a0ae8d, &(0x7f0000000100)={'\x00', 0x2, 0x4, 0x7, 0x0, 0x3, 0xf000, 0x1000, '\x00', 0x3f}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) pipe2(&(0x7f00000002c0), 0x4080) (async, rerun: 64) r1 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r1) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000040)={r1}, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) (async, rerun: 32) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r1, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x30, r2, 0x4, 0x70bd29, 0x25dfdbfb, {{}, {}, {0x14, 0x19, {0x80000001, 0x200001, 0x1b7e, 0x4}}}, ["", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4000001}, 0x1) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16=r4, @ANYBLOB="000000000032f052e211d9000500000000000000"], 0x33fe0}, 0x1, 0x0, 0x0, 0x80}, 0x20000003) (async) openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000300), 0x1, 0x0) [ 1766.278166] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1766.293724] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x7c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c084900", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$TIPC_CMD_SHOW_PORTS(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r4, 0x1}, 0x1c}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0xb0922bb}}, ["", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x48841}, 0x4002000) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x7c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="4198886c7dc65ddaf3bc19b338bd49c67f5defb84edb39dd0d61ba1d000000000004cdc180139119f0573382479a9996549a3b26821f56544b1bc03dfec50268bc62683824676c37dbd5d2d463082b76a7f86a5374cdd713d37f5c96c176f06a0d04ec70360d44", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c084900", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$TIPC_CMD_SHOW_PORTS(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r4, 0x1}, 0x1c}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0xb0922bb}}, ["", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x48841}, 0x4002000) 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$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c084900", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$TIPC_CMD_SHOW_PORTS(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r4, 0x1}, 0x1c}}, 0x0) (async) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0xb0922bb}}, ["", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x48841}, 0x4002000) (async) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="4198886c7dc65ddaf3bc19b338bd49c67f5defb84edb39dd0d61ba1d000000000004cdc180139119f0573382479a9996549a3b26821f56544b1bc03dfec50268bc62683824676c37dbd5d2d463082b76a7f86a5374cdd713d37f5c96c176f06a0d04ec70360d44", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x74, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x74}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c084900", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) sendmsg$TIPC_CMD_SHOW_PORTS(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r4, 0x1}, 0x1c}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0xb0922bb}}, ["", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x48841}, 0x4002000) 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$nbd(&(0x7f0000000d80), r0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c084900", @ANYRES16=r2, @ANYBLOB="010000000000000000000500000008000a006e626400"], 0x1c}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000180), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async) sendmsg$TIPC_CMD_SHOW_PORTS(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r4, 0x1}, 0x1c}}, 0x0) (async) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {{}, {}, {0x8, 0x11, 0xb0922bb}}, ["", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x48841}, 0x4002000) (async) 22:30:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000000)=ANY=[@ANYBLOB="4198886c7dc65ddaf3bc19b338bd49c67f5defb84edb39dd0d61ba1d000000000004cdc180139119f0573382479a9996549a3b26821f56544b1bc03dfec50268bc62683824676c37dbd5d2d463082b76a7f86a5374cdd713d37f5c96c176f06a0d04ec70360d44", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x33fe0}}, 0x0) 22:30:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000380)=ANY=[@ANYBLOB="232991879029896cf01e0783f35d2970bb47681d5a68ca25253c52a55898781e489ba2b8a7c21a7d439f826d680cf09d583f124f55d40f9dd2b92ccdbefa9b4e7b8e73b26c4d5b11866927c6eca93721459010d0bdb76fa028da7f5d1c227e42efafb6c741936639d81b841f3c86167f55858ea9e28445073677c7f9da9eb62c5c2abdb7e413170982de92f6339f485b952c7429958736e8c7c307a078e9e2185d27be9e6b379979da6b04eed1b375852797a1e22d201bd4a3dd5676fb17c9753e79b4d71f240e317fec009a69eee80bc01483675cccffe900b1138097f7b2d341fbe6835aaa1911882c7677c1b3e7cf", @ANYRES32=r2], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x282000, 0x0) pipe2(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x58, r2, 0x4, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x58}}, 0x4000) socketpair(0x7c9c7a6bdfe374e3, 0x2, 0x80, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r11) sendmsg$NBD_CMD_STATUS(r12, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r13, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r14 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r14) r15 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r15) r16 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r16) r17 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r17) r18 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r18) r19 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x305002, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)=ANY=[@ANYBLOB="dc000000", @ANYRES16=r13, @ANYBLOB="10002abd7000fedbdf25050000004400078008000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r14, @ANYBLOB="08000100", @ANYRES32=r15, @ANYBLOB="08000100", @ANYRES32=r16, @ANYBLOB="08000100", @ANYRES32=r17, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c000800ff7f0000000000000c000400060000000000000008000100000000004c00078008000100", @ANYRES32=r9, @ANYBLOB="0800b8340900000000", @ANYRES32=r18, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r19, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00020020000000000000000c0003002500000000000000"], 0xdc}, 0x1, 0x0, 0x0, 0x54}, 0x800) getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000280)=0x7, &(0x7f00000002c0)=0x4) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, 0x0, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x6c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000380)=ANY=[@ANYBLOB="232991879029896cf01e0783f35d2970bb47681d5a68ca25253c52a55898781e489ba2b8a7c21a7d439f826d680cf09d583f124f55d40f9dd2b92ccdbefa9b4e7b8e73b26c4d5b11866927c6eca93721459010d0bdb76fa028da7f5d1c227e42efafb6c741936639d81b841f3c86167f55858ea9e28445073677c7f9da9eb62c5c2abdb7e413170982de92f6339f485b952c7429958736e8c7c307a078e9e2185d27be9e6b379979da6b04eed1b375852797a1e22d201bd4a3dd5676fb17c9753e79b4d71f240e317fec009a69eee80bc01483675cccffe900b1138097f7b2d341fbe6835aaa1911882c7677c1b3e7cf", @ANYRES32=r2], 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) (async) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x282000, 0x0) (async) pipe2(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x58, r2, 0x4, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x58}}, 0x4000) socketpair(0x7c9c7a6bdfe374e3, 0x2, 0x80, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r13 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r11) sendmsg$NBD_CMD_STATUS(r12, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r13, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) (async) r14 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r14) (async) r15 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r15) r16 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r16) (async, rerun: 64) r17 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 64) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r17) r18 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r18) (async) r19 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x305002, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)=ANY=[@ANYBLOB="dc000000", @ANYRES16=r13, @ANYBLOB="10002abd7000fedbdf25050000004400078008000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r14, @ANYBLOB="08000100", @ANYRES32=r15, @ANYBLOB="08000100", @ANYRES32=r16, @ANYBLOB="08000100", @ANYRES32=r17, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c000800ff7f0000000000000c000400060000000000000008000100000000004c00078008000100", @ANYRES32=r9, @ANYBLOB="0800b8340900000000", @ANYRES32=r18, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r19, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00020020000000000000000c0003002500000000000000"], 0xdc}, 0x1, 0x0, 0x0, 0x54}, 0x800) getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000280)=0x7, &(0x7f00000002c0)=0x4) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_WINDOW(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x8, 0x70bd2c, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0xd31, @media='udp\x00'}}}, ["", "", "", "", "", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x4004}, 0x148a029a2c62973e) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000880}, 0x0) 22:30:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_WINDOW(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x8, 0x70bd2c, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0xd31, @media='udp\x00'}}}, ["", "", "", "", "", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x4004}, 0x148a029a2c62973e) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000880}, 0x0) 22:30:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r1, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x6c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) (rerun: 32) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000380)=ANY=[@ANYBLOB="232991879029896cf01e0783f35d2970bb47681d5a68ca25253c52a55898781e489ba2b8a7c21a7d439f826d680cf09d583f124f55d40f9dd2b92ccdbefa9b4e7b8e73b26c4d5b11866927c6eca93721459010d0bdb76fa028da7f5d1c227e42efafb6c741936639d81b841f3c86167f55858ea9e28445073677c7f9da9eb62c5c2abdb7e413170982de92f6339f485b952c7429958736e8c7c307a078e9e2185d27be9e6b379979da6b04eed1b375852797a1e22d201bd4a3dd5676fb17c9753e79b4d71f240e317fec009a69eee80bc01483675cccffe900b1138097f7b2d341fbe6835aaa1911882c7677c1b3e7cf", @ANYRES32=r2], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x200200, 0x0) (async) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x282000, 0x0) (async) pipe2(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x58, r2, 0x4, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x58}}, 0x4000) (async) socketpair(0x7c9c7a6bdfe374e3, 0x2, 0x80, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r11) sendmsg$NBD_CMD_STATUS(r12, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r13, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r14 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r14) (async) r15 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r15) (async, rerun: 32) r16 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r16) (async) r17 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r17) r18 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r18) (async) r19 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000340), 0x305002, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000500)=ANY=[@ANYBLOB="dc000000", @ANYRES16=r13, @ANYBLOB="10002abd7000fedbdf25050000004400078008000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r14, @ANYBLOB="08000100", @ANYRES32=r15, @ANYBLOB="08000100", @ANYRES32=r16, @ANYBLOB="08000100", @ANYRES32=r17, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c000800ff7f0000000000000c000400060000000000000008000100000000004c00078008000100", @ANYRES32=r9, @ANYBLOB="0800b8340900000000", @ANYRES32=r18, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r19, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00020020000000000000000c0003002500000000000000"], 0xdc}, 0x1, 0x0, 0x0, 0x54}, 0x800) getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000280)=0x7, &(0x7f00000002c0)=0x4) 22:30:56 executing program 3: r0 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_WINDOW(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x8, 0x70bd2c, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0xd31, @media='udp\x00'}}}, ["", "", "", "", "", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x4004}, 0x148a029a2c62973e) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000880}, 0x0) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r0) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_SET_LINK_WINDOW(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x8, 0x70bd2c, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0xd31, @media='udp\x00'}}}, ["", "", "", "", "", "", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x4004}, 0x148a029a2c62973e) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000180)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000880}, 0x0) (async) 22:30:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x0, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:56 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) [ 1767.288428] nbd: nbd0 already in use 22:30:56 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4810) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x850) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) 22:30:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x6c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r2, 0x20, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x38}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) 22:30:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x850) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x850) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (async) 22:30:56 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040040}, 0x850) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x14}, 0x33fe0}}, 0x0) (rerun: 32) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:57 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x6c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 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$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r2, 0x20, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x38}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) 22:30:57 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$NBD_CMD_CONNECT(r1, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r2, 0x20, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x38}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) 22:30:57 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$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, 0x0, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x6c, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 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$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, 0x0, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) ioctl$KVM_GET_MSRS(0xffffffffffffffff, 0xc008ae88, &(0x7f0000000080)={0x5, 0x0, [{}, {}, {}, {}, {}]}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 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$nbd(&(0x7f0000000080), r0) r2 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, 0x0, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x64}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 5: 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$nbd(&(0x7f0000000d80), r0) ioctl$KVM_GET_MSRS(0xffffffffffffffff, 0xc008ae88, &(0x7f0000000080)={0x5, 0x0, [{}, {}, {}, {}, {}]}) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x9c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xb0, r2, 0x201, 0x70bd2a, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x64}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) socketpair(0x8, 0x5, 0x2, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000), 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa8, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r3 = openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x94, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 5: 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$nbd(&(0x7f0000000d80), r0) (async) ioctl$KVM_GET_MSRS(0xffffffffffffffff, 0xc008ae88, &(0x7f0000000080)={0x5, 0x0, [{}, {}, {}, {}, {}]}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) 22:30:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) pipe(0x0) openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sysvipc/msg\x00', 0x0, 0x0) getsockopt$netrom_NETROM_N2(0xffffffffffffffff, 0x103, 0x3, &(0x7f00000003c0), 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0xa4, r2, 0x201, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa4}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) openat$sw_sync_info(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000280)={0x64, r2, 0x201, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x64}, 0x1, 0x0, 0x0, 0x40081}, 0x4810) 22:30:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000c00)={&(0x7f0000000b00), 0xc, &(0x7f0000000bc0)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000dc0)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x0) r6 = signalfd4(0xffffffffffffffff, &(0x7f0000000100)={[0x1f]}, 0x8, 0x80000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f00000000c0), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x54, r5, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x54}, 0x1, 0x0, 0x0, 0x10}, 0x884) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000d80), r0) r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x2803, 0x0) connect$pppl2tp(r8, &(0x7f0000000080)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x4e22, @private=0xa010102}, 0x0, 0x0, 0x1}}, 0x2e) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000e00)={&(0x7f0000000040)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}}, 0x0) [ 1768.800098] ================================================================== [ 1768.807691] BUG: KASAN: use-after-free in refcount_dec_not_one+0x71/0x1d0 [ 1768.814637] Read of size 4 at addr ffff888097f00b58 by task syz-executor.2/24916 [ 1768.822174] [ 1768.823833] CPU: 1 PID: 24916 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 1768.831714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1768.841072] Call Trace: [ 1768.843673] dump_stack+0x1fc/0x2ef [ 1768.847319] print_address_description.cold+0x54/0x219 [ 1768.852620] kasan_report_error.cold+0x8a/0x1b9 [ 1768.857313] ? refcount_dec_not_one+0x71/0x1d0 [ 1768.861904] kasan_report+0x8f/0xa0 [ 1768.865537] ? refcount_dec_not_one+0x71/0x1d0 [ 1768.870109] refcount_dec_not_one+0x71/0x1d0 [ 1768.874504] ? refcount_dec_and_test_checked+0x20/0x20 [ 1768.879789] ? nbd_config_put+0x5da/0x870 [ 1768.883937] refcount_dec_and_mutex_lock+0x1c/0x80 [ 1768.888856] nbd_genl_connect+0x11ee/0x1630 [ 1768.893178] ? nbd_xmit_timeout+0x730/0x730 [ 1768.897493] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 1768.902753] ? validate_nla+0x270/0x820 [ 1768.906809] ? nla_parse+0x1b2/0x290 [ 1768.910513] genl_family_rcv_msg+0x642/0xc40 [ 1768.914918] ? genl_rcv+0x40/0x40 [ 1768.918354] ? genl_rcv_msg+0x12f/0x160 [ 1768.922313] ? mutex_trylock+0x1a0/0x1a0 [ 1768.926375] ? __radix_tree_lookup+0x216/0x370 [ 1768.930947] genl_rcv_msg+0xbf/0x160 [ 1768.934645] netlink_rcv_skb+0x160/0x440 [ 1768.938692] ? genl_family_rcv_msg+0xc40/0xc40 [ 1768.943255] ? netlink_ack+0xae0/0xae0 [ 1768.947126] ? genl_rcv+0x15/0x40 [ 1768.950563] genl_rcv+0x24/0x40 [ 1768.953829] netlink_unicast+0x4d5/0x690 [ 1768.957880] ? netlink_sendskb+0x110/0x110 [ 1768.962096] ? _copy_from_iter_full+0x229/0x7c0 [ 1768.966751] ? __phys_addr_symbol+0x2c/0x70 [ 1768.971061] ? __check_object_size+0x17b/0x3e0 [ 1768.975627] netlink_sendmsg+0x6c3/0xc50 [ 1768.979686] ? aa_af_perm+0x230/0x230 [ 1768.983477] ? nlmsg_notify+0x1f0/0x1f0 [ 1768.987432] ? kernel_recvmsg+0x220/0x220 [ 1768.991584] ? nlmsg_notify+0x1f0/0x1f0 [ 1768.995549] sock_sendmsg+0xc3/0x120 [ 1768.999342] ___sys_sendmsg+0x7bb/0x8e0 [ 1769.003310] ? do_syscall_64+0xf9/0x620 [ 1769.007268] ? copy_msghdr_from_user+0x440/0x440 [ 1769.012008] ? __fget+0x32f/0x510 [ 1769.015458] ? lock_downgrade+0x720/0x720 [ 1769.019610] ? check_preemption_disabled+0x41/0x280 [ 1769.024614] ? check_preemption_disabled+0x41/0x280 [ 1769.029618] ? __fget+0x356/0x510 [ 1769.033056] ? do_dup2+0x450/0x450 [ 1769.036582] ? debug_check_no_obj_freed+0x201/0x490 [ 1769.041593] ? check_preemption_disabled+0x41/0x280 [ 1769.046664] ? __fdget+0x1d0/0x230 [ 1769.050196] __x64_sys_sendmsg+0x132/0x220 [ 1769.054427] ? __sys_sendmsg+0x1b0/0x1b0 [ 1769.058478] ? __se_sys_futex+0x298/0x3b0 [ 1769.062635] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1769.067995] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1769.072998] ? do_syscall_64+0x21/0x620 [ 1769.076963] do_syscall_64+0xf9/0x620 [ 1769.080754] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1769.085931] RIP: 0033:0x7f50487f60d9 [ 1769.089637] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1769.108525] RSP: 002b:00007f5046d68168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1769.116223] RAX: ffffffffffffffda RBX: 00007f5048915f80 RCX: 00007f50487f60d9 [ 1769.123481] RDX: 0000000000004810 RSI: 0000000020000380 RDI: 0000000000000005 [ 1769.130734] RBP: 00007f5048851ae9 R08: 0000000000000000 R09: 0000000000000000 [ 1769.137989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1769.145330] R13: 00007ffec1f32f2f R14: 00007f5046d68300 R15: 0000000000022000 [ 1769.152599] [ 1769.154220] Allocated by task 24909: [ 1769.157922] kmem_cache_alloc_trace+0x12f/0x380 [ 1769.162583] nbd_dev_add+0x44/0x890 [ 1769.166213] nbd_genl_connect+0x488/0x1630 [ 1769.170435] genl_family_rcv_msg+0x642/0xc40 [ 1769.174843] genl_rcv_msg+0xbf/0x160 [ 1769.178544] netlink_rcv_skb+0x160/0x440 [ 1769.182598] genl_rcv+0x24/0x40 [ 1769.185875] netlink_unicast+0x4d5/0x690 [ 1769.189930] netlink_sendmsg+0x6c3/0xc50 [ 1769.193979] sock_sendmsg+0xc3/0x120 [ 1769.197676] ___sys_sendmsg+0x7bb/0x8e0 [ 1769.201639] __x64_sys_sendmsg+0x132/0x220 [ 1769.205873] do_syscall_64+0xf9/0x620 [ 1769.209663] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1769.214827] [ 1769.216441] Freed by task 24916: [ 1769.219791] kfree+0xcc/0x210 [ 1769.222889] nbd_put.part.0+0xfe/0x140 [ 1769.226770] nbd_config_put+0x6a0/0x870 [ 1769.230737] nbd_genl_connect+0x11bb/0x1630 [ 1769.235039] genl_family_rcv_msg+0x642/0xc40 [ 1769.239437] genl_rcv_msg+0xbf/0x160 [ 1769.243153] netlink_rcv_skb+0x160/0x440 [ 1769.247204] genl_rcv+0x24/0x40 [ 1769.250466] netlink_unicast+0x4d5/0x690 [ 1769.254518] netlink_sendmsg+0x6c3/0xc50 [ 1769.258590] sock_sendmsg+0xc3/0x120 [ 1769.262299] ___sys_sendmsg+0x7bb/0x8e0 [ 1769.266289] __x64_sys_sendmsg+0x132/0x220 [ 1769.270513] do_syscall_64+0xf9/0x620 [ 1769.274296] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1769.279458] [ 1769.281077] The buggy address belongs to the object at ffff888097f00a80 [ 1769.281077] which belongs to the cache kmalloc-512 of size 512 [ 1769.293731] The buggy address is located 216 bytes inside of [ 1769.293731] 512-byte region [ffff888097f00a80, ffff888097f00c80) [ 1769.305588] The buggy address belongs to the page: [ 1769.310980] page:ffffea00025fc000 count:1 mapcount:0 mapping:ffff88813bff0940 index:0xffff888097f00580 [ 1769.320594] flags: 0xfff00000000100(slab) [ 1769.324726] raw: 00fff00000000100 ffffea0002651988 ffffea0002a08588 ffff88813bff0940 [ 1769.332592] raw: ffff888097f00580 ffff888097f00080 0000000100000004 0000000000000000 [ 1769.340454] page dumped because: kasan: bad access detected [ 1769.346143] [ 1769.347752] Memory state around the buggy address: [ 1769.352671] ffff888097f00a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1769.360018] ffff888097f00a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1769.367375] >ffff888097f00b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1769.374727] ^ [ 1769.380944] ffff888097f00b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1769.388287] ffff888097f00c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1769.395636] ================================================================== [ 1769.402986] Disabling lock debugging due to kernel taint [ 1769.416098] Kernel panic - not syncing: panic_on_warn set ... [ 1769.416098] [ 1769.423500] CPU: 1 PID: 24916 Comm: syz-executor.2 Tainted: G B 4.19.211-syzkaller #0 [ 1769.432766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1769.442124] Call Trace: [ 1769.444718] dump_stack+0x1fc/0x2ef [ 1769.448363] panic+0x26a/0x50e [ 1769.451570] ? __warn_printk+0xf3/0xf3 [ 1769.455459] ? preempt_schedule_common+0x45/0xc0 [ 1769.460211] ? ___preempt_schedule+0x16/0x18 [ 1769.464610] ? trace_hardirqs_on+0x55/0x210 [ 1769.468920] kasan_end_report+0x43/0x49 [ 1769.472890] kasan_report_error.cold+0xa7/0x1b9 [ 1769.477554] ? refcount_dec_not_one+0x71/0x1d0 [ 1769.482118] kasan_report+0x8f/0xa0 [ 1769.485733] ? refcount_dec_not_one+0x71/0x1d0 [ 1769.490301] refcount_dec_not_one+0x71/0x1d0 [ 1769.494695] ? refcount_dec_and_test_checked+0x20/0x20 [ 1769.500057] ? nbd_config_put+0x5da/0x870 [ 1769.504200] refcount_dec_and_mutex_lock+0x1c/0x80 [ 1769.509119] nbd_genl_connect+0x11ee/0x1630 [ 1769.513430] ? nbd_xmit_timeout+0x730/0x730 [ 1769.517750] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 1769.522938] ? validate_nla+0x270/0x820 [ 1769.526894] ? nla_parse+0x1b2/0x290 [ 1769.530594] genl_family_rcv_msg+0x642/0xc40 [ 1769.535003] ? genl_rcv+0x40/0x40 [ 1769.538558] ? genl_rcv_msg+0x12f/0x160 [ 1769.542518] ? mutex_trylock+0x1a0/0x1a0 [ 1769.546582] ? __radix_tree_lookup+0x216/0x370 [ 1769.551160] genl_rcv_msg+0xbf/0x160 [ 1769.554856] netlink_rcv_skb+0x160/0x440 [ 1769.558910] ? genl_family_rcv_msg+0xc40/0xc40 [ 1769.563487] ? netlink_ack+0xae0/0xae0 [ 1769.567363] ? genl_rcv+0x15/0x40 [ 1769.570804] genl_rcv+0x24/0x40 [ 1769.574072] netlink_unicast+0x4d5/0x690 [ 1769.578122] ? netlink_sendskb+0x110/0x110 [ 1769.582354] ? _copy_from_iter_full+0x229/0x7c0 [ 1769.587005] ? __phys_addr_symbol+0x2c/0x70 [ 1769.591360] ? __check_object_size+0x17b/0x3e0 [ 1769.595927] netlink_sendmsg+0x6c3/0xc50 [ 1769.599979] ? aa_af_perm+0x230/0x230 [ 1769.603775] ? nlmsg_notify+0x1f0/0x1f0 [ 1769.607735] ? kernel_recvmsg+0x220/0x220 [ 1769.611870] ? nlmsg_notify+0x1f0/0x1f0 [ 1769.615835] sock_sendmsg+0xc3/0x120 [ 1769.619535] ___sys_sendmsg+0x7bb/0x8e0 [ 1769.623494] ? do_syscall_64+0xf9/0x620 [ 1769.627484] ? copy_msghdr_from_user+0x440/0x440 [ 1769.632240] ? __fget+0x32f/0x510 [ 1769.635690] ? lock_downgrade+0x720/0x720 [ 1769.639935] ? check_preemption_disabled+0x41/0x280 [ 1769.644942] ? check_preemption_disabled+0x41/0x280 [ 1769.649956] ? __fget+0x356/0x510 [ 1769.653397] ? do_dup2+0x450/0x450 [ 1769.656922] ? debug_check_no_obj_freed+0x201/0x490 [ 1769.661924] ? check_preemption_disabled+0x41/0x280 [ 1769.666925] ? __fdget+0x1d0/0x230 [ 1769.670456] __x64_sys_sendmsg+0x132/0x220 [ 1769.674688] ? __sys_sendmsg+0x1b0/0x1b0 [ 1769.678734] ? __se_sys_futex+0x298/0x3b0 [ 1769.682871] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1769.688221] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1769.693222] ? do_syscall_64+0x21/0x620 [ 1769.697175] do_syscall_64+0xf9/0x620 [ 1769.700964] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1769.706144] RIP: 0033:0x7f50487f60d9 [ 1769.709839] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1769.728726] RSP: 002b:00007f5046d68168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1769.736417] RAX: ffffffffffffffda RBX: 00007f5048915f80 RCX: 00007f50487f60d9 [ 1769.743667] RDX: 0000000000004810 RSI: 0000000020000380 RDI: 0000000000000005 [ 1769.750927] RBP: 00007f5048851ae9 R08: 0000000000000000 R09: 0000000000000000 [ 1769.758188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1769.765442] R13: 00007ffec1f32f2f R14: 00007f5046d68300 R15: 0000000000022000 [ 1769.772966] Kernel Offset: disabled [ 1769.776592] Rebooting in 86400 seconds..