)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:03 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$net_dm(&(0x7f0000000040), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14c8820800602e82eebd22", @ANYRES16=r2, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)
socket(0x3, 0x80000, 0x4)

[ 2797.053550] nbd: must specify a device to reconfigure
[ 2797.062679] nbd: must specify at least one socket
[ 2797.075043] nbd: must specify a device to reconfigure
15:42:03 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x80c00, 0x0)
ioctl$MON_IOCQ_URB_LEN(r0, 0x9201) (async)
ioctl$MON_IOCQ_URB_LEN(r0, 0x9201)
r1 = socket(0x2, 0x802, 0x0)
syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) (async)
syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53)
sendto$rxrpc(r1, &(0x7f0000000000)="8bb15f067234209046f7ac8091a1c9669c1a628190cacad613c29dfbb09aa05ab9373839221c0ad56331d7815e4666e7e35cd4a5be3e2868b80072e7f7603bd7a77204800818827ae3ef48", 0x4b, 0x90, &(0x7f0000000080)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e23, @multicast1}}, 0x24)

15:42:03 executing program 5:
r0 = socket(0x0, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x40000041, 0x0, 0x0)

15:42:03 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:03 executing program 5:
r0 = socket(0x0, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x40000041, 0x0, 0x0)
socket(0x0, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x40000041, 0x0, 0x0) (async)

15:42:03 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

[ 2797.170220] nla_parse: 68 callbacks suppressed
[ 2797.170226] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2797.195182] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:03 executing program 5:
r0 = socket(0x0, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x40000041, 0x0, 0x0)

15:42:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14c8820800602e82eebd22", @ANYRES16=r2, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)
socket(0x3, 0x80000, 0x4)

[ 2797.266333] nbd: must specify a device to reconfigure
15:42:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2797.288286] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2797.338652] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:04 executing program 5:
r0 = socket(0x1a, 0x802, 0x4)
recvfrom$rxrpc(r0, 0x0, 0x4b, 0x674c37f4fe7857be, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0)
ioctl$PTP_ENABLE_PPS(r1, 0x40043d04, 0x0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r2, 0xc1105511, &(0x7f0000000100)={{0x3, 0x1, 0x8, 0x7fff8, '\x00', 0x96a}, 0x100003, 0x3, 0x7, 0x0, 0x2, 0x3, 'syz1\x00', &(0x7f0000000240)=['/dev/ocfs2_control\x00', '*\x00'], 0x15})
r3 = syz_open_dev$usbmon(&(0x7f00000000c0), 0x3, 0x44682)
ioctl$MON_IOCQ_RING_SIZE(r3, 0x9205)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000080)={r1, r1, 0x1}, 0x10)
ioctl$IMCLEAR_L2(r1, 0x80044946, &(0x7f0000000040)=0x80)

15:42:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r1) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14c8820800602e82eebd22", @ANYRES16=r2, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0) (async)
socket(0x3, 0x80000, 0x4)

[ 2797.417810] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2797.451516] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:04 executing program 2:
munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000)
munmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0xc, 0x8, &(0x7f0000000000)=@raw=[@map_fd={0x18, 0x9, 0x1, 0x0, 0x1}, @map_fd, @call={0x85, 0x0, 0x0, 0x7a}, @ldst={0x1, 0x1, 0x0, 0x4, 0x2, 0x2, 0x10}, @map_fd={0x18, 0xa}], &(0x7f0000000040)='syzkaller\x00', 0x5, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, 0xc, 0xffffffffffffffff, 0x8, &(0x7f0000000080)={0x1, 0x2}, 0x8, 0x10, &(0x7f00000000c0)={0x5, 0xb, 0x8}, 0x10, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, &(0x7f0000000100)=[r0]}, 0x80)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000001c0), 0x20000, 0x0)
mknodat$null(r1, &(0x7f0000000200)='./file0\x00', 0x1, 0x103)
r2 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x0, 0x0, 0x53)
socket$inet_udplite(0x2, 0x2, 0x88)

15:42:04 executing program 5:
r0 = socket(0x1a, 0x802, 0x4)
recvfrom$rxrpc(r0, 0x0, 0x4b, 0x674c37f4fe7857be, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0)
ioctl$PTP_ENABLE_PPS(r1, 0x40043d04, 0x0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r2, 0xc1105511, &(0x7f0000000100)={{0x3, 0x1, 0x8, 0x7fff8, '\x00', 0x96a}, 0x100003, 0x3, 0x7, 0x0, 0x2, 0x3, 'syz1\x00', &(0x7f0000000240)=['/dev/ocfs2_control\x00', '*\x00'], 0x15}) (async)
r3 = syz_open_dev$usbmon(&(0x7f00000000c0), 0x3, 0x44682)
ioctl$MON_IOCQ_RING_SIZE(r3, 0x9205) (async)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000080)={r1, r1, 0x1}, 0x10) (async)
ioctl$IMCLEAR_L2(r1, 0x80044946, &(0x7f0000000040)=0x80)

15:42:04 executing program 2:
munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000)
munmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0xc, 0x8, &(0x7f0000000000)=@raw=[@map_fd={0x18, 0x9, 0x1, 0x0, 0x1}, @map_fd, @call={0x85, 0x0, 0x0, 0x7a}, @ldst={0x1, 0x1, 0x0, 0x4, 0x2, 0x2, 0x10}, @map_fd={0x18, 0xa}], &(0x7f0000000040)='syzkaller\x00', 0x5, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, 0xc, 0xffffffffffffffff, 0x8, &(0x7f0000000080)={0x1, 0x2}, 0x8, 0x10, &(0x7f00000000c0)={0x5, 0xb, 0x8}, 0x10, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, &(0x7f0000000100)=[r0]}, 0x80)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000001c0), 0x20000, 0x0)
mknodat$null(r1, &(0x7f0000000200)='./file0\x00', 0x1, 0x103)
r2 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x0, 0x0, 0x53)
socket$inet_udplite(0x2, 0x2, 0x88)
munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000) (async)
munmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0xc, 0x8, &(0x7f0000000000)=@raw=[@map_fd={0x18, 0x9, 0x1, 0x0, 0x1}, @map_fd, @call={0x85, 0x0, 0x0, 0x7a}, @ldst={0x1, 0x1, 0x0, 0x4, 0x2, 0x2, 0x10}, @map_fd={0x18, 0xa}], &(0x7f0000000040)='syzkaller\x00', 0x5, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, 0xc, 0xffffffffffffffff, 0x8, &(0x7f0000000080)={0x1, 0x2}, 0x8, 0x10, &(0x7f00000000c0)={0x5, 0xb, 0x8}, 0x10, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, &(0x7f0000000100)=[r0]}, 0x80) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000001c0), 0x20000, 0x0) (async)
mknodat$null(r1, &(0x7f0000000200)='./file0\x00', 0x1, 0x103) (async)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
socket$inet_udplite(0x2, 0x2, 0x88) (async)

15:42:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 5:
r0 = socket(0x1a, 0x802, 0x4)
recvfrom$rxrpc(r0, 0x0, 0x4b, 0x674c37f4fe7857be, 0x0, 0x53) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x8000, 0x0)
ioctl$PTP_ENABLE_PPS(r1, 0x40043d04, 0x0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r2, 0xc1105511, &(0x7f0000000100)={{0x3, 0x1, 0x8, 0x7fff8, '\x00', 0x96a}, 0x100003, 0x3, 0x7, 0x0, 0x2, 0x3, 'syz1\x00', &(0x7f0000000240)=['/dev/ocfs2_control\x00', '*\x00'], 0x15})
r3 = syz_open_dev$usbmon(&(0x7f00000000c0), 0x3, 0x44682)
ioctl$MON_IOCQ_RING_SIZE(r3, 0x9205) (async, rerun: 64)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000080)={r1, r1, 0x1}, 0x10) (async, rerun: 64)
ioctl$IMCLEAR_L2(r1, 0x80044946, &(0x7f0000000040)=0x80)

15:42:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x10, 0x70bd2c, 0x25dfdbfe, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x84}, 0x90)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:04 executing program 5:
r0 = socket(0x18, 0x2, 0x800)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2797.578839] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2797.613037] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 2:
munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000) (async)
munmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000) (async)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0xc, 0x8, &(0x7f0000000000)=@raw=[@map_fd={0x18, 0x9, 0x1, 0x0, 0x1}, @map_fd, @call={0x85, 0x0, 0x0, 0x7a}, @ldst={0x1, 0x1, 0x0, 0x4, 0x2, 0x2, 0x10}, @map_fd={0x18, 0xa}], &(0x7f0000000040)='syzkaller\x00', 0x5, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, 0xc, 0xffffffffffffffff, 0x8, &(0x7f0000000080)={0x1, 0x2}, 0x8, 0x10, &(0x7f00000000c0)={0x5, 0xb, 0x8}, 0x10, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, &(0x7f0000000100)=[r0]}, 0x80) (async)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000001c0), 0x20000, 0x0)
mknodat$null(r1, &(0x7f0000000200)='./file0\x00', 0x1, 0x103) (async)
r2 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
socket$inet_udplite(0x2, 0x2, 0x88)

15:42:04 executing program 5:
r0 = socket(0x18, 0x2, 0x800)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)

15:42:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x10, 0x70bd2c, 0x25dfdbfe, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x84}, 0x90)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2797.672006] nbd: must specify a device to reconfigure
[ 2797.682443] nbd: must specify a device to reconfigure
[ 2797.709105] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:04 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$IMCTRLREQ(r1, 0x80044945, &(0x7f0000000000)={0x20, 0x9, 0x9, 0x54d})

15:42:04 executing program 5:
r0 = socket(0x18, 0x2, 0x800)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:04 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$IMCTRLREQ(r1, 0x80044945, &(0x7f0000000000)={0x20, 0x9, 0x9, 0x54d}) (async)
ioctl$IMCTRLREQ(r1, 0x80044945, &(0x7f0000000000)={0x20, 0x9, 0x9, 0x54d})

[ 2797.737761] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$IMCTRLREQ(r1, 0x80044945, &(0x7f0000000000)={0x20, 0x9, 0x9, 0x54d})
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$IMCTRLREQ(r1, 0x80044945, &(0x7f0000000000)={0x20, 0x9, 0x9, 0x54d}) (async)

15:42:04 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x40001, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))

15:42:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)={0x7, <r3=>0x0}, 0x8)
bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000040)={r3}, 0x4)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x800)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2797.804984] nbd: must specify a device to reconfigure
[ 2797.822304] nbd: must specify a device to reconfigure
15:42:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x40001, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))

15:42:04 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
connect$rxrpc(r1, &(0x7f0000000000)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x24)

15:42:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0) (rerun: 32)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x10, 0x70bd2c, 0x25dfdbfe, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x84}, 0x90)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2797.903895] nbd: must specify a device to reconfigure
15:42:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
connect$rxrpc(r1, &(0x7f0000000000)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x24)

15:42:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)={0x7, <r3=>0x0}, 0x8)
bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000040)={r3}, 0x4) (async)
bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000040)={r3}, 0x4)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x800)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:04 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x40001, 0x0) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x40001, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))

15:42:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)={0x7, <r3=>0x0}, 0x8) (rerun: 64)
bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000040)={r3}, 0x4) (async)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x800) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:04 executing program 1:
socket$isdn(0x22, 0x3, 0x15)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2798.038096] nbd: must specify a device to reconfigure
15:42:04 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
connect$rxrpc(r1, &(0x7f0000000000)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e20, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x24)

15:42:04 executing program 5:
r0 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$PTP_CLOCK_GETCAPS(r0, 0x80503d01, &(0x7f0000000080))
bind$rxrpc(r0, &(0x7f0000000040)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x35}}}, 0x24)
r1 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan0\x00'})
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 1:
socket$isdn(0x22, 0x3, 0x15)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
socket$isdn(0x22, 0x3, 0x15) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)

[ 2798.136016] nbd: must specify a device to reconfigure
15:42:04 executing program 4:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000340), 0x4000, 0x0)
setsockopt$RXRPC_MIN_SECURITY_LEVEL(r0, 0x110, 0x4, &(0x7f0000000380)=0x1, 0x4)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x7c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x101}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xcc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, ':$&$/'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}]}, 0x7c}, 0x1, 0x0, 0x0, 0x22008080}, 0x4000004)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0xffffffffffffff78, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r2, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x0)

15:42:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:04 executing program 2:
r0 = socket(0x1d, 0x6, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:04 executing program 5:
bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async)
r0 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$PTP_CLOCK_GETCAPS(r0, 0x80503d01, &(0x7f0000000080))
bind$rxrpc(r0, &(0x7f0000000040)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x35}}}, 0x24) (async)
bind$rxrpc(r0, &(0x7f0000000040)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x35}}}, 0x24)
r1 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan0\x00'})
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2798.204370] nbd: must specify a device to reconfigure
15:42:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2798.248622] nbd: must specify a device to reconfigure
15:42:04 executing program 1:
socket$isdn(0x22, 0x3, 0x15) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:04 executing program 2:
r0 = socket(0x1d, 0x6, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:04 executing program 4:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000340), 0x4000, 0x0)
setsockopt$RXRPC_MIN_SECURITY_LEVEL(r0, 0x110, 0x4, &(0x7f0000000380)=0x1, 0x4) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x7c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x101}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xcc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, ':$&$/'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}]}, 0x7c}, 0x1, 0x0, 0x0, 0x22008080}, 0x4000004) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0xffffffffffffff78, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r2, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x0)

[ 2798.271064] nbd: must specify a device to reconfigure
[ 2798.277129] can: request_module (can-proto-0) failed.
[ 2798.282094] nbd: must specify a device to reconfigure
15:42:05 executing program 5:
r0 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$PTP_CLOCK_GETCAPS(r0, 0x80503d01, &(0x7f0000000080)) (async)
bind$rxrpc(r0, &(0x7f0000000040)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x35}}}, 0x24)
r1 = socket(0x2, 0x802, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan0\x00'})
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 2:
r0 = socket(0x1d, 0x6, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2798.365769] can: request_module (can-proto-0) failed.
15:42:05 executing program 4:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000340), 0x4000, 0x0)
setsockopt$RXRPC_MIN_SECURITY_LEVEL(r0, 0x110, 0x4, &(0x7f0000000380)=0x1, 0x4) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x7c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x101}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xcc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, ':$&$/'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}]}, 0x7c}, 0x1, 0x0, 0x0, 0x22008080}, 0x4000004) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0xffffffffffffff78, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r2, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x0)

15:42:05 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0x65, &(0x7f0000000040)=0x2)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:05 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2798.409667] nbd: must specify a device to reconfigure
[ 2798.427620] nbd: must specify a device to reconfigure
15:42:05 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_BT_CHANNEL_POLICY(r1, 0x112, 0xa, &(0x7f0000000040), 0x4)
socket$bt_cmtp(0x1f, 0x3, 0x5)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r2)
pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, <r3=>0xffffffffffffffff}, 0x80)
accept4$phonet_pipe(r3, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x180000)

[ 2798.468412] can: request_module (can-proto-0) failed.
15:42:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0x65, &(0x7f0000000040)=0x2) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000031b8bb803fdba2113e3762191f60d22244ccf6f8ef0a226fb2b83e0c45c8bc2e52f3b0bb7395ac3f2118a74c26f166d65738ad0699b94f93ca79416b1e3c16c27f4b36c36aa17768fed82b3d12b8be5746e64fad8072c061192fcd820bc20f3a5e5470b5"], 0x14}}, 0x40000)

[ 2798.545424] nbd: must specify a device to reconfigure
15:42:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_BT_CHANNEL_POLICY(r1, 0x112, 0xa, &(0x7f0000000040), 0x4) (async)
socket$bt_cmtp(0x1f, 0x3, 0x5) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r2) (async)
pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, <r3=>0xffffffffffffffff}, 0x80)
accept4$phonet_pipe(r3, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x180000)

15:42:05 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:05 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0x65, &(0x7f0000000040)=0x2)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2798.604931] nbd: must specify a device to reconfigure
15:42:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000031b8bb803fdba2113e3762191f60d22244ccf6f8ef0a226fb2b83e0c45c8bc2e52f3b0bb7395ac3f2118a74c26f166d65738ad0699b94f93ca79416b1e3c16c27f4b36c36aa17768fed82b3d12b8be5746e64fad8072c061192fcd820bc20f3a5e5470b5"], 0x14}}, 0x40000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000031b8bb803fdba2113e3762191f60d22244ccf6f8ef0a226fb2b83e0c45c8bc2e52f3b0bb7395ac3f2118a74c26f166d65738ad0699b94f93ca79416b1e3c16c27f4b36c36aa17768fed82b3d12b8be5746e64fad8072c061192fcd820bc20f3a5e5470b5"], 0x14}}, 0x40000) (async)

15:42:05 executing program 0:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000040)=ANY=[@ANYBLOB="04000000000000000974ae"], 0x9)

15:42:05 executing 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$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
syz_genetlink_get_family_id$net_dm(&(0x7f00000001c0), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="010000000000fb11cc52dbdf25030000008263218aaa54625cba2fc6ac0849247bf479253476a0bd0614c83a674205bd441314b49dc2b3f698a5da36ebc517b79d85d35624bd23c88151a185df144fe5ebaf219dc417c535cd49509958988b38bdf10180924501346e4163d24f"], 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="ae4b64f201aa0b2c48ca0717eccd310100032abd279a46c3df25"], 0x20}, 0x1, 0x0, 0x0, 0x8f34c4b2e0fcfe07}, 0x8804)

[ 2798.663818] nbd: must specify a device to reconfigure
15:42:05 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000040)=ANY=[@ANYBLOB="04000000000000000974ae"], 0x9)

15:42:05 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000040)=ANY=[@ANYBLOB="04000000000000000974ae"], 0x9)

15:42:05 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_BT_CHANNEL_POLICY(r1, 0x112, 0xa, &(0x7f0000000040), 0x4)
socket$bt_cmtp(0x1f, 0x3, 0x5)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r2) (async)
pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, <r3=>0xffffffffffffffff}, 0x80)
accept4$phonet_pipe(r3, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x180000)

15:42:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing 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$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
syz_genetlink_get_family_id$net_dm(&(0x7f00000001c0), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="010000000000fb11cc52dbdf25030000008263218aaa54625cba2fc6ac0849247bf479253476a0bd0614c83a674205bd441314b49dc2b3f698a5da36ebc517b79d85d35624bd23c88151a185df144fe5ebaf219dc417c535cd49509958988b38bdf10180924501346e4163d24f"], 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="ae4b64f201aa0b2c48ca0717eccd310100032abd279a46c3df25"], 0x20}, 0x1, 0x0, 0x0, 0x8f34c4b2e0fcfe07}, 0x8804)
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(&(0x7f0000000880), r2) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f00000001c0), r2) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="010000000000fb11cc52dbdf25030000008263218aaa54625cba2fc6ac0849247bf479253476a0bd0614c83a674205bd441314b49dc2b3f698a5da36ebc517b79d85d35624bd23c88151a185df144fe5ebaf219dc417c535cd49509958988b38bdf10180924501346e4163d24f"], 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="ae4b64f201aa0b2c48ca0717eccd310100032abd279a46c3df25"], 0x20}, 0x1, 0x0, 0x0, 0x8f34c4b2e0fcfe07}, 0x8804) (async)

15:42:05 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000031b8bb803fdba2113e3762191f60d22244ccf6f8ef0a226fb2b83e0c45c8bc2e52f3b0bb7395ac3f2118a74c26f166d65738ad0699b94f93ca79416b1e3c16c27f4b36c36aa17768fed82b3d12b8be5746e64fad8072c061192fcd820bc20f3a5e5470b5"], 0x14}}, 0x40000)

15:42:05 executing program 0:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 2:
r0 = socket(0x1, 0x0, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:05 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$TUNSETFILTEREBPF(r0, 0x800454e1, &(0x7f0000000080)=r1)
r2 = socket(0x2, 0x802, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
bpf$ITER_CREATE(0x21, &(0x7f00000000c0)={r0}, 0x8)
ioctl$UI_DEV_DESTROY(r0, 0x5502)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000040)={'vxcan0\x00'})
setsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000100)=0x9, 0x2)
recvfrom$rxrpc(r3, 0x0, 0x0, 0x12061, 0x0, 0x0)

15:42:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
syz_genetlink_get_family_id$net_dm(&(0x7f00000001c0), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="010000000000fb11cc52dbdf25030000008263218aaa54625cba2fc6ac0849247bf479253476a0bd0614c83a674205bd441314b49dc2b3f698a5da36ebc517b79d85d35624bd23c88151a185df144fe5ebaf219dc417c535cd49509958988b38bdf10180924501346e4163d24f"], 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="010000000000fb11cc52dbdf25030000008263218aaa54625cba2fc6ac0849247bf479253476a0bd0614c83a674205bd441314b49dc2b3f698a5da36ebc517b79d85d35624bd23c88151a185df144fe5ebaf219dc417c535cd49509958988b38bdf10180924501346e4163d24f"], 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="ae4b64f201aa0b2c48ca0717eccd310100032abd279a46c3df25"], 0x20}, 0x1, 0x0, 0x0, 0x8f34c4b2e0fcfe07}, 0x8804) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="ae4b64f201aa0b2c48ca0717eccd310100032abd279a46c3df25"], 0x20}, 0x1, 0x0, 0x0, 0x8f34c4b2e0fcfe07}, 0x8804)

15:42:05 executing program 2:
r0 = socket(0x1, 0x0, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x1, 0x0, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:05 executing program 0:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x14}}, 0x24000014)

[ 2798.898456] nbd: must specify a device to reconfigure
15:42:05 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$TUNSETFILTEREBPF(r0, 0x800454e1, &(0x7f0000000080)=r1) (async, rerun: 64)
r2 = socket(0x2, 0x802, 0x0) (async, rerun: 64)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
bpf$ITER_CREATE(0x21, &(0x7f00000000c0)={r0}, 0x8) (async)
ioctl$UI_DEV_DESTROY(r0, 0x5502)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000040)={'vxcan0\x00'}) (async)
setsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000100)=0x9, 0x2)
recvfrom$rxrpc(r3, 0x0, 0x0, 0x12061, 0x0, 0x0)

15:42:05 executing program 2:
r0 = socket(0x1, 0x0, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 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_RECONFIGURE(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x14}}, 0x24000014)

15:42:05 executing program 2:
r0 = socket(0x2, 0x5, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r2, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000814)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:05 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$nbd(&(0x7f0000000880), r0)
munmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f00000001c0), 0x800, 0x0)
ioctl$UI_SET_FFBIT(r4, 0x4004556b, 0x6f)
ioctl$UI_DEV_CREATE(r4, 0x5501)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r1, 0x203, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff7fff}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x4004)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="ac54073f27bed0a8846003000000"], 0x14}}, 0x0)

15:42:05 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$TUNSETFILTEREBPF(r0, 0x800454e1, &(0x7f0000000080)=r1)
r2 = socket(0x2, 0x802, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
bpf$ITER_CREATE(0x21, &(0x7f00000000c0)={r0}, 0x8) (async)
bpf$ITER_CREATE(0x21, &(0x7f00000000c0)={r0}, 0x8)
ioctl$UI_DEV_DESTROY(r0, 0x5502)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000040)={'vxcan0\x00'}) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000040)={'vxcan0\x00'})
setsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000100)=0x9, 0x2) (async)
setsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000100)=0x9, 0x2)
recvfrom$rxrpc(r3, 0x0, 0x0, 0x12061, 0x0, 0x0)

15:42:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:05 executing program 5:
r0 = socket(0x23, 0x802, 0x10001)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000040)={0x748a, 0x5, 0x3, 0x1d, 0x1, 0x9, 0x5}, 0xc)

15:42:05 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$nbd(&(0x7f0000000880), r0)
munmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f00000001c0), 0x800, 0x0)
ioctl$UI_SET_FFBIT(r4, 0x4004556b, 0x6f)
ioctl$UI_DEV_CREATE(r4, 0x5501)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r1, 0x203, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff7fff}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x4004)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="ac54073f27bed0a8846003000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
munmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
openat$uinput(0xffffffffffffff9c, &(0x7f00000001c0), 0x800, 0x0) (async)
ioctl$UI_SET_FFBIT(r4, 0x4004556b, 0x6f) (async)
ioctl$UI_DEV_CREATE(r4, 0x5501) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r1, 0x203, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff7fff}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x4004) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="ac54073f27bed0a8846003000000"], 0x14}}, 0x0) (async)

15:42:05 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x14}}, 0x24000014)

15:42:05 executing program 2:
socket(0x2, 0x5, 0x0) (async)
r0 = socket(0x2, 0x5, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r2, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000814)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

[ 2799.103898] nbd: must specify a device to reconfigure
15:42:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2799.162267] nbd: must specify a device to reconfigure
15:42:05 executing program 5:
r0 = socket(0x23, 0x802, 0x10001)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000040)={0x748a, 0x5, 0x3, 0x1d, 0x1, 0x9, 0x5}, 0xc)
socket(0x23, 0x802, 0x10001) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000040)={0x748a, 0x5, 0x3, 0x1d, 0x1, 0x9, 0x5}, 0xc) (async)

15:42:05 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$nbd(&(0x7f0000000880), r0)
munmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$uinput(0xffffffffffffff9c, &(0x7f00000001c0), 0x800, 0x0)
ioctl$UI_SET_FFBIT(r4, 0x4004556b, 0x6f)
ioctl$UI_DEV_CREATE(r4, 0x5501)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r1, 0x203, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff7fff}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x4004)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="ac54073f27bed0a8846003000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
munmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
openat$uinput(0xffffffffffffff9c, &(0x7f00000001c0), 0x800, 0x0) (async)
ioctl$UI_SET_FFBIT(r4, 0x4004556b, 0x6f) (async)
ioctl$UI_DEV_CREATE(r4, 0x5501) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r1, 0x203, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff7fff}]}, 0x50}, 0x1, 0x0, 0x0, 0x10}, 0x4004) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="ac54073f27bed0a8846003000000"], 0x14}}, 0x0) (async)

15:42:05 executing program 5:
r0 = socket(0x23, 0x802, 0x10001) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000040)={0x748a, 0x5, 0x3, 0x1d, 0x1, 0x9, 0x5}, 0xc)

15:42:05 executing program 2:
r0 = socket(0x2, 0x5, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r2, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000814) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0xfffffffe}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r1)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x44000}, 0x1)

15:42:05 executing program 3:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2799.266265] nbd: must specify a device to reconfigure
15:42:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x1, 0x20000000, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x20}}, 0x0)

15:42:06 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r2)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x94856f4250972317}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x1, 0x70bd28, 0x25d7dbff, {}, ["", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4841}, 0x4)

15:42:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0xfffffffe}, 0x14}}, 0x0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r1)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x44000}, 0x1)

15:42:06 executing program 3:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x1, 0x20000000, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x20}}, 0x0)

[ 2799.412200] nbd: must specify a device to reconfigure
15:42:06 executing program 2:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x181000, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f00000000c0)={{0x9, 0x4, 0x2, 0x4, 'syz1\x00', 0xd2fe}, 0x6, 0x2, 0xe3, 0xffffffffffffffff, 0x3, 0x5, 'syz1\x00', &(0x7f0000000080)=['\x00', '-*-&!-\x00', ':,\x00'], 0xb})
r1 = socket(0x2, 0x802, 0x0)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r1}, 0x8)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x0)
connect$rxrpc(r2, &(0x7f0000000200)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x4e24, 0x3, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x27}}, 0x8}}, 0x24)
syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r3, 0xc1205531, &(0x7f0000000240)={0x1, 0xffffffff, 0x1000, 0x3, '\x00', '\x00', '\x00', 0x4, 0x1, 0x6, 0x7f, "640a2e7b43c96f24d41c18938bb2f1bd"})

15:42:06 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r2)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x94856f4250972317}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4) (async)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x1, 0x70bd28, 0x25d7dbff, {}, ["", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4841}, 0x4) (async)
sendmsg$NET_DM_CMD_START(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x1, 0x70bd28, 0x25d7dbff, {}, ["", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4841}, 0x4)

[ 2799.465475] nbd: must specify a device to reconfigure
15:42:06 executing program 2:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x181000, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f00000000c0)={{0x9, 0x4, 0x2, 0x4, 'syz1\x00', 0xd2fe}, 0x6, 0x2, 0xe3, 0xffffffffffffffff, 0x3, 0x5, 'syz1\x00', &(0x7f0000000080)=['\x00', '-*-&!-\x00', ':,\x00'], 0xb})
r1 = socket(0x2, 0x802, 0x0)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r1}, 0x8)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) (async)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
connect$rxrpc(r2, &(0x7f0000000200)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x4e24, 0x3, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x27}}, 0x8}}, 0x24) (async)
syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r3, 0xc1205531, &(0x7f0000000240)={0x1, 0xffffffff, 0x1000, 0x3, '\x00', '\x00', '\x00', 0x4, 0x1, 0x6, 0x7f, "640a2e7b43c96f24d41c18938bb2f1bd"})

15:42:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0xfffffffe}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r1)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x100, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x44000}, 0x1)

15:42:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 2:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x181000, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f00000000c0)={{0x9, 0x4, 0x2, 0x4, 'syz1\x00', 0xd2fe}, 0x6, 0x2, 0xe3, 0xffffffffffffffff, 0x3, 0x5, 'syz1\x00', &(0x7f0000000080)=['\x00', '-*-&!-\x00', ':,\x00'], 0xb}) (async)
r1 = socket(0x2, 0x802, 0x0)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r1}, 0x8)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) (async)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
connect$rxrpc(r2, &(0x7f0000000200)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x4e24, 0x3, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x27}}, 0x8}}, 0x24) (async)
syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r3, 0xc1205531, &(0x7f0000000240)={0x1, 0xffffffff, 0x1000, 0x3, '\x00', '\x00', '\x00', 0x4, 0x1, 0x6, 0x7f, "640a2e7b43c96f24d41c18938bb2f1bd"})

15:42:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x1, 0x20000000, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x20}}, 0x0)

[ 2799.553633] nbd: must specify a device to reconfigure
15:42:06 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r2)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x94856f4250972317}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x1, 0x70bd28, 0x25d7dbff, {}, ["", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4841}, 0x4)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r2) (async)
sendmsg$NET_DM_CMD_START(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r3, 0x94856f4250972317}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4) (async)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x1, 0x70bd28, 0x25d7dbff, {}, ["", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4841}, 0x4) (async)

15:42:06 executing program 3:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20822}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x48010}, 0x8000)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
bind$rxrpc(r1, &(0x7f0000000040)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e24, 0xf4, @remote}}, 0x24)
r3 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r3, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={r3}, 0x10)

15:42:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="00fffa00", @ANYRES16=0x0, @ANYRESDEC=r0], 0xfffffffffffffda5}}, 0xc0c0)

15:42:06 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20822}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x48010}, 0x8000) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
bind$rxrpc(r1, &(0x7f0000000040)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e24, 0xf4, @remote}}, 0x24)
r3 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r3, 0x0, 0x0, 0x0, 0x0, 0x53)

[ 2799.656399] nbd: must specify a device to reconfigure
[ 2799.665496] nbd: must specify a device to reconfigure
15:42:06 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, r0}, 0x10)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)
socket(0x2, 0x4, 0xfffffffc)

15:42:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={r3}, 0x10)

[ 2799.731190] nbd: must specify a device to reconfigure
[ 2799.744351] nbd: must specify a device to reconfigure
15:42:06 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="00fffa00", @ANYRES16=0x0, @ANYRESDEC=r0], 0xfffffffffffffda5}}, 0xc0c0)

15:42:06 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, r0}, 0x10) (async, rerun: 64)
r1 = socket(0x2, 0x802, 0x0) (rerun: 64)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
socket(0x2, 0x4, 0xfffffffc)

15:42:06 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20822}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x48010}, 0x8000)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
bind$rxrpc(r1, &(0x7f0000000040)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e24, 0xf4, @remote}}, 0x24)
r3 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r3, 0x0, 0x0, 0x0, 0x0, 0x53)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20822}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x48010}, 0x8000) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
bind$rxrpc(r1, &(0x7f0000000040)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e24, 0xf4, @remote}}, 0x24) (async)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r3, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2799.837426] nbd: must specify a device to reconfigure
15:42:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="00fffa00", @ANYRES16=0x0, @ANYRESDEC=r0], 0xfffffffffffffda5}}, 0xc0c0)

[ 2799.884212] nbd: must specify a device to reconfigure
15:42:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={r3}, 0x10)

15:42:06 executing program 2:
r0 = socket(0x22, 0x807, 0x101)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000380)={0xffffffffffffffff, 0xe0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, &(0x7f00000000c0)=[0x0, 0x0, 0x0], ""/16, <r1=>0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000100)=[0x0, 0x0], &(0x7f0000000140)=[0x0], 0x0, 0x8, &(0x7f0000000180)=[{}, {}, {}, {}, {}], 0x28, 0x10, &(0x7f00000001c0), &(0x7f0000000200), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000240)}}, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000440), 0x200, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x208103, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x6, 0x3, &(0x7f0000000040)=@raw=[@btf_id={0x18, 0x9, 0x3, 0x0, 0x2}, @ldst={0x0, 0x1, 0x3, 0x3, 0x6, 0x8, 0x10}], &(0x7f0000000080)='syzkaller\x00', 0x200, 0x0, 0x0, 0x41000, 0x9, '\x00', r1, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000003c0)={0x7, 0x5}, 0x8, 0x10, &(0x7f0000000400)={0x0, 0x9, 0x681318c2, 0x8}, 0x10, 0x0, 0x0, 0x0, &(0x7f00000004c0)=[0xffffffffffffffff, 0x1, 0x1, r2, r3, r4, r5, r6]}, 0x80)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r7 = pkey_alloc(0x0, 0x3)
pkey_mprotect(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, r7)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000000)={0x1f, 0x7, @any, 0x5, 0x1}, 0xe)

[ 2799.932999] nbd: must specify a device to reconfigure
15:42:06 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, r0}, 0x10)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)
socket(0x2, 0x4, 0xfffffffc)

15:42:06 executing program 1:
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(0xffffffffffffffff, 0x40405515, &(0x7f0000000000)={0x5, 0x5, 0x1000, 0x1, 'syz0\x00', 0x1e9})
ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000040)={0xffff, 0x4, [0x0]})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r5, 0x400, 0x70bd25, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20008850}, 0x34040010)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2799.956916] nbd: must specify a device to reconfigure
15:42:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 2:
r0 = socket(0x22, 0x807, 0x101)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000380)={0xffffffffffffffff, 0xe0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, &(0x7f00000000c0)=[0x0, 0x0, 0x0], ""/16, <r1=>0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000100)=[0x0, 0x0], &(0x7f0000000140)=[0x0], 0x0, 0x8, &(0x7f0000000180)=[{}, {}, {}, {}, {}], 0x28, 0x10, &(0x7f00000001c0), &(0x7f0000000200), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000240)}}, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000440), 0x200, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x208103, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x6, 0x3, &(0x7f0000000040)=@raw=[@btf_id={0x18, 0x9, 0x3, 0x0, 0x2}, @ldst={0x0, 0x1, 0x3, 0x3, 0x6, 0x8, 0x10}], &(0x7f0000000080)='syzkaller\x00', 0x200, 0x0, 0x0, 0x41000, 0x9, '\x00', r1, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000003c0)={0x7, 0x5}, 0x8, 0x10, &(0x7f0000000400)={0x0, 0x9, 0x681318c2, 0x8}, 0x10, 0x0, 0x0, 0x0, &(0x7f00000004c0)=[0xffffffffffffffff, 0x1, 0x1, r2, r3, r4, r5, r6]}, 0x80)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r7 = pkey_alloc(0x0, 0x3)
pkey_mprotect(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, r7)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000000)={0x1f, 0x7, @any, 0x5, 0x1}, 0xe)
socket(0x22, 0x807, 0x101) (async)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000380)={0xffffffffffffffff, 0xe0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, &(0x7f00000000c0)=[0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000100)=[0x0, 0x0], &(0x7f0000000140)=[0x0], 0x0, 0x8, &(0x7f0000000180)=[{}, {}, {}, {}, {}], 0x28, 0x10, &(0x7f00000001c0), &(0x7f0000000200), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000240)}}, 0x10) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000440), 0x200, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x208103, 0x0) (async)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x6, 0x3, &(0x7f0000000040)=@raw=[@btf_id={0x18, 0x9, 0x3, 0x0, 0x2}, @ldst={0x0, 0x1, 0x3, 0x3, 0x6, 0x8, 0x10}], &(0x7f0000000080)='syzkaller\x00', 0x200, 0x0, 0x0, 0x41000, 0x9, '\x00', r1, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000003c0)={0x7, 0x5}, 0x8, 0x10, &(0x7f0000000400)={0x0, 0x9, 0x681318c2, 0x8}, 0x10, 0x0, 0x0, 0x0, &(0x7f00000004c0)=[0xffffffffffffffff, 0x1, 0x1, r2, r3, r4, r5, r6]}, 0x80) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
pkey_alloc(0x0, 0x3) (async)
pkey_mprotect(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, r7) (async)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000000)={0x1f, 0x7, @any, 0x5, 0x1}, 0xe) (async)

15:42:06 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(0xffffffffffffffff, 0xc0505510, &(0x7f0000000040)={0x7, 0x1, 0x4, 0x7, &(0x7f0000000000)=[{}]})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = getpgid(0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f0000000100)={{0x8, 0x1, 0x7ff, 0x3, 'syz1\x00', 0x4}, 0x0, 0x100, 0x2, r1, 0x4, 0x1, 'syz0\x00', &(0x7f00000000c0)=['\x00', '\x00', '\x00', '\x00'], 0x4})
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000240)={0x81, 0x2, 0x4, 0x8, '\x00', '\x00', '\x00', 0x9, 0x1ff, 0x8, 0x8, "b7da57f1d941b3c38b94599af917d7ed"})
r2 = socket(0x21, 0x3, 0x1)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$UI_SET_RELBIT(0xffffffffffffffff, 0x40045566, 0x6)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r4 = socket$rxrpc(0x21, 0x2, 0xa)
connect$rxrpc(r4, &(0x7f00000003c0)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e22, 0xfffffffd, @loopback, 0x80000001}}, 0x24)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000380)={'batadv_slave_1\x00'})
socket(0x27, 0x2, 0x1b57cd68)

15:42:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x208001, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r9=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0xa4, r1, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x200c4800}, 0x8000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:06 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(0xffffffffffffffff, 0xc0505510, &(0x7f0000000040)={0x7, 0x1, 0x4, 0x7, &(0x7f0000000000)=[{}]})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = getpgid(0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f0000000100)={{0x8, 0x1, 0x7ff, 0x3, 'syz1\x00', 0x4}, 0x0, 0x100, 0x2, r1, 0x4, 0x1, 'syz0\x00', &(0x7f00000000c0)=['\x00', '\x00', '\x00', '\x00'], 0x4})
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000240)={0x81, 0x2, 0x4, 0x8, '\x00', '\x00', '\x00', 0x9, 0x1ff, 0x8, 0x8, "b7da57f1d941b3c38b94599af917d7ed"})
r2 = socket(0x21, 0x3, 0x1)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$UI_SET_RELBIT(0xffffffffffffffff, 0x40045566, 0x6)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r4 = socket$rxrpc(0x21, 0x2, 0xa)
connect$rxrpc(r4, &(0x7f00000003c0)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e22, 0xfffffffd, @loopback, 0x80000001}}, 0x24)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000380)={'batadv_slave_1\x00'})
socket(0x27, 0x2, 0x1b57cd68)
ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(0xffffffffffffffff, 0xc0505510, &(0x7f0000000040)={0x7, 0x1, 0x4, 0x7, &(0x7f0000000000)=[{}]}) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
getpgid(0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f0000000100)={{0x8, 0x1, 0x7ff, 0x3, 'syz1\x00', 0x4}, 0x0, 0x100, 0x2, r1, 0x4, 0x1, 'syz0\x00', &(0x7f00000000c0)=['\x00', '\x00', '\x00', '\x00'], 0x4}) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000240)={0x81, 0x2, 0x4, 0x8, '\x00', '\x00', '\x00', 0x9, 0x1ff, 0x8, 0x8, "b7da57f1d941b3c38b94599af917d7ed"}) (async)
socket(0x21, 0x3, 0x1) (async)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
ioctl$UI_SET_RELBIT(0xffffffffffffffff, 0x40045566, 0x6) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
socket$rxrpc(0x21, 0x2, 0xa) (async)
connect$rxrpc(r4, &(0x7f00000003c0)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e22, 0xfffffffd, @loopback, 0x80000001}}, 0x24) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000380)={'batadv_slave_1\x00'}) (async)
socket(0x27, 0x2, 0x1b57cd68) (async)

[ 2800.076921] nbd: must specify a device to reconfigure
[ 2800.087199] nbd: must specify at least one socket
15:42:06 executing program 2:
r0 = socket(0x22, 0x807, 0x101)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000380)={0xffffffffffffffff, 0xe0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, &(0x7f00000000c0)=[0x0, 0x0, 0x0], ""/16, <r1=>0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000100)=[0x0, 0x0], &(0x7f0000000140)=[0x0], 0x0, 0x8, &(0x7f0000000180)=[{}, {}, {}, {}, {}], 0x28, 0x10, &(0x7f00000001c0), &(0x7f0000000200), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000240)}}, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000440), 0x200, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x208103, 0x0) (async)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x208103, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x6, 0x3, &(0x7f0000000040)=@raw=[@btf_id={0x18, 0x9, 0x3, 0x0, 0x2}, @ldst={0x0, 0x1, 0x3, 0x3, 0x6, 0x8, 0x10}], &(0x7f0000000080)='syzkaller\x00', 0x200, 0x0, 0x0, 0x41000, 0x9, '\x00', r1, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000003c0)={0x7, 0x5}, 0x8, 0x10, &(0x7f0000000400)={0x0, 0x9, 0x681318c2, 0x8}, 0x10, 0x0, 0x0, 0x0, &(0x7f00000004c0)=[0xffffffffffffffff, 0x1, 0x1, r2, r3, r4, r5, r6]}, 0x80) (async)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000500)={0x6, 0x3, &(0x7f0000000040)=@raw=[@btf_id={0x18, 0x9, 0x3, 0x0, 0x2}, @ldst={0x0, 0x1, 0x3, 0x3, 0x6, 0x8, 0x10}], &(0x7f0000000080)='syzkaller\x00', 0x200, 0x0, 0x0, 0x41000, 0x9, '\x00', r1, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000003c0)={0x7, 0x5}, 0x8, 0x10, &(0x7f0000000400)={0x0, 0x9, 0x681318c2, 0x8}, 0x10, 0x0, 0x0, 0x0, &(0x7f00000004c0)=[0xffffffffffffffff, 0x1, 0x1, r2, r3, r4, r5, r6]}, 0x80)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r7 = pkey_alloc(0x0, 0x3)
pkey_mprotect(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, r7)
connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000000)={0x1f, 0x7, @any, 0x5, 0x1}, 0xe)

15:42:06 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(0xffffffffffffffff, 0xc0505510, &(0x7f0000000040)={0x7, 0x1, 0x4, 0x7, &(0x7f0000000000)=[{}]})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = getpgid(0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f0000000100)={{0x8, 0x1, 0x7ff, 0x3, 'syz1\x00', 0x4}, 0x0, 0x100, 0x2, r1, 0x4, 0x1, 'syz0\x00', &(0x7f00000000c0)=['\x00', '\x00', '\x00', '\x00'], 0x4})
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000240)={0x81, 0x2, 0x4, 0x8, '\x00', '\x00', '\x00', 0x9, 0x1ff, 0x8, 0x8, "b7da57f1d941b3c38b94599af917d7ed"})
r2 = socket(0x21, 0x3, 0x1)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$UI_SET_RELBIT(0xffffffffffffffff, 0x40045566, 0x6)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r4 = socket$rxrpc(0x21, 0x2, 0xa)
connect$rxrpc(r4, &(0x7f00000003c0)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e22, 0xfffffffd, @loopback, 0x80000001}}, 0x24)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000380)={'batadv_slave_1\x00'})
socket(0x27, 0x2, 0x1b57cd68)
ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(0xffffffffffffffff, 0xc0505510, &(0x7f0000000040)={0x7, 0x1, 0x4, 0x7, &(0x7f0000000000)=[{}]}) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
getpgid(0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f0000000100)={{0x8, 0x1, 0x7ff, 0x3, 'syz1\x00', 0x4}, 0x0, 0x100, 0x2, r1, 0x4, 0x1, 'syz0\x00', &(0x7f00000000c0)=['\x00', '\x00', '\x00', '\x00'], 0x4}) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000240)={0x81, 0x2, 0x4, 0x8, '\x00', '\x00', '\x00', 0x9, 0x1ff, 0x8, 0x8, "b7da57f1d941b3c38b94599af917d7ed"}) (async)
socket(0x21, 0x3, 0x1) (async)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
ioctl$UI_SET_RELBIT(0xffffffffffffffff, 0x40045566, 0x6) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
socket$rxrpc(0x21, 0x2, 0xa) (async)
connect$rxrpc(r4, &(0x7f00000003c0)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e22, 0xfffffffd, @loopback, 0x80000001}}, 0x24) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r3, 0x8933, &(0x7f0000000380)={'batadv_slave_1\x00'}) (async)
socket(0x27, 0x2, 0x1b57cd68) (async)

15:42:06 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000240)=@bloom_filter={0x1e, 0x5, 0x10000, 0x2, 0x0, r1, 0x200, '\x00', 0x0, r0, 0x4, 0x0, 0x0, 0xd}, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000001c0)={0x11, 0x10, &(0x7f0000000000)=@raw=[@btf_id={0x18, 0x0, 0x3, 0x0, 0x2}, @generic={0x0, 0x5, 0x6, 0x5, 0x8001}, @initr0={0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @ldst={0x1, 0x0, 0x3, 0xa, 0x8, 0x0, 0x1}, @exit, @map_fd={0x18, 0x7, 0x1, 0x0, r0}, @btf_id={0x18, 0x4, 0x3, 0x0, 0x4}, @cb_func={0x18, 0x9, 0x4, 0x0, 0x4}, @jmp={0x5, 0x1, 0x3, 0xb, 0x4, 0xfffffffffffffffe, 0xfffffffffffffff0}, @map_fd={0x18, 0x7, 0x1, 0x0, 0x1}], &(0x7f0000000080)='GPL\x00', 0x401, 0x3b, &(0x7f00000000c0)=""/59, 0x41100, 0x4, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000100)={0x3, 0x5}, 0x8, 0x10, &(0x7f0000000140)={0x5, 0x4, 0x80000001, 0x2}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000180)=[0xffffffffffffffff, 0xffffffffffffffff]}, 0x80)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2800.195772] nbd: must specify a device to reconfigure
15:42:06 executing program 1:
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(0xffffffffffffffff, 0x40405515, &(0x7f0000000000)={0x5, 0x5, 0x1000, 0x1, 'syz0\x00', 0x1e9}) (async)
ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000040)={0xffff, 0x4, [0x0]})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r5, 0x400, 0x70bd25, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20008850}, 0x34040010) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0) (async)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x208001, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r9=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0xa4, r1, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x200c4800}, 0x8000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2800.216807] nbd: must specify a device to reconfigure
15:42:06 executing program 5:
ioctl$UI_SET_PROPBIT(0xffffffffffffffff, 0x4004556e, 0xd)
socket(0x27, 0x27f45e57e787c9b, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
setsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x8, &(0x7f0000000000)=0x3, 0xfffffffffffffe45)
accept4$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040)={0x1f, 0x0, @none}, &(0x7f0000000080)=0xe, 0x80000)

15:42:06 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000240)=@bloom_filter={0x1e, 0x5, 0x10000, 0x2, 0x0, r1, 0x200, '\x00', 0x0, r0, 0x4, 0x0, 0x0, 0xd}, 0x48) (async)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000001c0)={0x11, 0x10, &(0x7f0000000000)=@raw=[@btf_id={0x18, 0x0, 0x3, 0x0, 0x2}, @generic={0x0, 0x5, 0x6, 0x5, 0x8001}, @initr0={0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @ldst={0x1, 0x0, 0x3, 0xa, 0x8, 0x0, 0x1}, @exit, @map_fd={0x18, 0x7, 0x1, 0x0, r0}, @btf_id={0x18, 0x4, 0x3, 0x0, 0x4}, @cb_func={0x18, 0x9, 0x4, 0x0, 0x4}, @jmp={0x5, 0x1, 0x3, 0xb, 0x4, 0xfffffffffffffffe, 0xfffffffffffffff0}, @map_fd={0x18, 0x7, 0x1, 0x0, 0x1}], &(0x7f0000000080)='GPL\x00', 0x401, 0x3b, &(0x7f00000000c0)=""/59, 0x41100, 0x4, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000100)={0x3, 0x5}, 0x8, 0x10, &(0x7f0000000140)={0x5, 0x4, 0x80000001, 0x2}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000180)=[0xffffffffffffffff, 0xffffffffffffffff]}, 0x80) (async)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 1:
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(0xffffffffffffffff, 0x40405515, &(0x7f0000000000)={0x5, 0x5, 0x1000, 0x1, 'syz0\x00', 0x1e9})
ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000040)={0xffff, 0x4, [0x0]}) (async)
ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000040)={0xffff, 0x4, [0x0]})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r5, 0x400, 0x70bd25, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x20008850}, 0x34040010)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2800.304434] nbd: must specify a device to reconfigure
[ 2800.312946] nbd: must specify a device to reconfigure
15:42:07 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
bpf$MAP_CREATE(0x0, &(0x7f0000000240)=@bloom_filter={0x1e, 0x5, 0x10000, 0x2, 0x0, r1, 0x200, '\x00', 0x0, r0, 0x4, 0x0, 0x0, 0xd}, 0x48) (async)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000001c0)={0x11, 0x10, &(0x7f0000000000)=@raw=[@btf_id={0x18, 0x0, 0x3, 0x0, 0x2}, @generic={0x0, 0x5, 0x6, 0x5, 0x8001}, @initr0={0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @ldst={0x1, 0x0, 0x3, 0xa, 0x8, 0x0, 0x1}, @exit, @map_fd={0x18, 0x7, 0x1, 0x0, r0}, @btf_id={0x18, 0x4, 0x3, 0x0, 0x4}, @cb_func={0x18, 0x9, 0x4, 0x0, 0x4}, @jmp={0x5, 0x1, 0x3, 0xb, 0x4, 0xfffffffffffffffe, 0xfffffffffffffff0}, @map_fd={0x18, 0x7, 0x1, 0x0, 0x1}], &(0x7f0000000080)='GPL\x00', 0x401, 0x3b, &(0x7f00000000c0)=""/59, 0x41100, 0x4, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000100)={0x3, 0x5}, 0x8, 0x10, &(0x7f0000000140)={0x5, 0x4, 0x80000001, 0x2}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000180)=[0xffffffffffffffff, 0xffffffffffffffff]}, 0x80) (async)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0) (async)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x208001, 0x0) (async, rerun: 64)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r9=>0xffffffffffffffff}) (rerun: 64)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0xa4, r1, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x200c4800}, 0x8000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:07 executing program 5:
ioctl$UI_SET_PROPBIT(0xffffffffffffffff, 0x4004556e, 0xd)
socket(0x27, 0x27f45e57e787c9b, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
setsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x8, &(0x7f0000000000)=0x3, 0xfffffffffffffe45)
accept4$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040)={0x1f, 0x0, @none}, &(0x7f0000000080)=0xe, 0x80000)
ioctl$UI_SET_PROPBIT(0xffffffffffffffff, 0x4004556e, 0xd) (async)
socket(0x27, 0x27f45e57e787c9b, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
setsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x8, &(0x7f0000000000)=0x3, 0xfffffffffffffe45) (async)
accept4$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040)={0x1f, 0x0, @none}, &(0x7f0000000080)=0xe, 0x80000) (async)

15:42:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2800.402342] nbd: must specify at least one socket
[ 2800.421095] nbd: must specify at least one socket
[ 2800.430506] nbd: must specify a device to reconfigure
15:42:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x10, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}}, 0x8005)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
sendmsg$key(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x2, 0x13, 0x17, 0x8, 0xa, 0x0, 0x70bd2d, 0x25dfdbff, [@sadb_sa={0x2, 0x1, 0x4d2, 0x0, 0x5, 0xd8, 0x0, 0x40000001}, @sadb_lifetime={0x4, 0x2, 0x1f, 0x4, 0xdc75, 0x6}, @sadb_sa={0x2, 0x1, 0x4d5, 0x0, 0x1, 0xf9, 0x4, 0x40000001}]}, 0x50}}, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:07 executing program 5:
ioctl$UI_SET_PROPBIT(0xffffffffffffffff, 0x4004556e, 0xd) (async)
socket(0x27, 0x27f45e57e787c9b, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
setsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x8, &(0x7f0000000000)=0x3, 0xfffffffffffffe45) (async)
accept4$bt_l2cap(0xffffffffffffffff, &(0x7f0000000040)={0x1f, 0x0, @none}, &(0x7f0000000080)=0xe, 0x80000)

[ 2800.451239] nbd: must specify a device to reconfigure
15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
sendmsg$key(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x2, 0x13, 0x17, 0x8, 0xa, 0x0, 0x70bd2d, 0x25dfdbff, [@sadb_sa={0x2, 0x1, 0x4d2, 0x0, 0x5, 0xd8, 0x0, 0x40000001}, @sadb_lifetime={0x4, 0x2, 0x1f, 0x4, 0xdc75, 0x6}, @sadb_sa={0x2, 0x1, 0x4d5, 0x0, 0x1, 0xf9, 0x4, 0x40000001}]}, 0x50}}, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:07 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x2100, 0x0)
socket$phonet_pipe(0x23, 0x5, 0x2)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000240)={r1}, 0x8)
setsockopt$PNPIPE_INITSTATE(r2, 0x113, 0x4, &(0x7f0000000280), 0x4)
setsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0x926, 0x2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000040)=0x1, &(0x7f0000000080)=0x2)
ioctl$SOUND_MIXER_READ_RECSRC(r1, 0x80044dff, &(0x7f00000000c0))
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
socket$phonet_pipe(0x23, 0x5, 0x2)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x60, 0x0, 0x0)
r4 = bpf$ITER_CREATE(0x21, &(0x7f00000002c0)={r3}, 0x8)
ioctl$MON_IOCX_GETX(r4, 0x4018920a, &(0x7f00000003c0)={&(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @iso}, &(0x7f0000000340)=""/121, 0x79})
sendmsg$key(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0216ce0c1000000025bd7000fcdbdf25010014000800000005001a00e000000100000000000000000000000000000000000000000000ffff6401010115000004010015004e210000020013006c00000027bd700000000000050017002bb000000a003ca14e2300000f81fc01000000000000005a600c1e696b53010700000000"], 0x80}}, 0x2004004)
sendmsg$nl_route(r4, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)=@setneightbl={0x34, 0x43, 0x300, 0x70bd27, 0x25dfdbfc, {0xa}, [@NDTA_NAME={0x17, 0x1, '/dev/ocfs2_control\x00'}, @NDTA_THRESH1={0x8, 0x2, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x5b423787f3548270)

[ 2800.506993] nbd: must specify a device to reconfigure
15:42:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 4:
r0 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000040)={0x80000001})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
read$ptp(r4, &(0x7f00000008c0)=""/4096, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
sendmsg$key(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x2, 0x13, 0x17, 0x8, 0xa, 0x0, 0x70bd2d, 0x25dfdbff, [@sadb_sa={0x2, 0x1, 0x4d2, 0x0, 0x5, 0xd8, 0x0, 0x40000001}, @sadb_lifetime={0x4, 0x2, 0x1f, 0x4, 0xdc75, 0x6}, @sadb_sa={0x2, 0x1, 0x4d5, 0x0, 0x1, 0xf9, 0x4, 0x40000001}]}, 0x50}}, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:07 executing program 5:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x2100, 0x0)
socket$phonet_pipe(0x23, 0x5, 0x2) (async)
socket$phonet_pipe(0x23, 0x5, 0x2)
bpf$ITER_CREATE(0x21, &(0x7f0000000240)={r1}, 0x8) (async)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000240)={r1}, 0x8)
setsockopt$PNPIPE_INITSTATE(r2, 0x113, 0x4, &(0x7f0000000280), 0x4)
setsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0x926, 0x2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000040)=0x1, &(0x7f0000000080)=0x2)
ioctl$SOUND_MIXER_READ_RECSRC(r1, 0x80044dff, &(0x7f00000000c0))
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
socket$phonet_pipe(0x23, 0x5, 0x2)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x60, 0x0, 0x0)
r4 = bpf$ITER_CREATE(0x21, &(0x7f00000002c0)={r3}, 0x8)
ioctl$MON_IOCX_GETX(r4, 0x4018920a, &(0x7f00000003c0)={&(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @iso}, &(0x7f0000000340)=""/121, 0x79})
sendmsg$key(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0216ce0c1000000025bd7000fcdbdf25010014000800000005001a00e000000100000000000000000000000000000000000000000000ffff6401010115000004010015004e210000020013006c00000027bd700000000000050017002bb000000a003ca14e2300000f81fc01000000000000005a600c1e696b53010700000000"], 0x80}}, 0x2004004)
sendmsg$nl_route(r4, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)=@setneightbl={0x34, 0x43, 0x300, 0x70bd27, 0x25dfdbfc, {0xa}, [@NDTA_NAME={0x17, 0x1, '/dev/ocfs2_control\x00'}, @NDTA_THRESH1={0x8, 0x2, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x5b423787f3548270)

[ 2800.552059] nbd: must specify a device to reconfigure
[ 2800.569891] nbd: must specify a device to reconfigure
[ 2800.577718] nbd: must specify at least one socket
15:42:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x10, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}}, 0x8005) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x10, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}}, 0x8005)

15:42:07 executing program 2:
setsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000000)=0x22, 0x4)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:07 executing program 5:
r0 = socket(0x2, 0x802, 0x0) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x2100, 0x0)
socket$phonet_pipe(0x23, 0x5, 0x2) (async)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000240)={r1}, 0x8)
setsockopt$PNPIPE_INITSTATE(r2, 0x113, 0x4, &(0x7f0000000280), 0x4) (async)
setsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0x926, 0x2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
getsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000040)=0x1, &(0x7f0000000080)=0x2) (async)
ioctl$SOUND_MIXER_READ_RECSRC(r1, 0x80044dff, &(0x7f00000000c0)) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
socket$phonet_pipe(0x23, 0x5, 0x2)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x60, 0x0, 0x0) (async)
r4 = bpf$ITER_CREATE(0x21, &(0x7f00000002c0)={r3}, 0x8)
ioctl$MON_IOCX_GETX(r4, 0x4018920a, &(0x7f00000003c0)={&(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @iso}, &(0x7f0000000340)=""/121, 0x79}) (async)
sendmsg$key(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0216ce0c1000000025bd7000fcdbdf25010014000800000005001a00e000000100000000000000000000000000000000000000000000ffff6401010115000004010015004e210000020013006c00000027bd700000000000050017002bb000000a003ca14e2300000f81fc01000000000000005a600c1e696b53010700000000"], 0x80}}, 0x2004004) (async)
sendmsg$nl_route(r4, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)=@setneightbl={0x34, 0x43, 0x300, 0x70bd27, 0x25dfdbfc, {0xa}, [@NDTA_NAME={0x17, 0x1, '/dev/ocfs2_control\x00'}, @NDTA_THRESH1={0x8, 0x2, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x5b423787f3548270)

15:42:07 executing program 2:
setsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000000)=0x22, 0x4) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:07 executing program 5:
r0 = socket(0x25, 0x802, 0x44)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 2:
setsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000000)=0x22, 0x4) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:07 executing program 5:
r0 = socket(0x25, 0x802, 0x44)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 4:
r0 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000040)={0x80000001})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
read$ptp(r4, &(0x7f00000008c0)=""/4096, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)
bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async)
ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000040)={0x80000001}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
read$ptp(r4, &(0x7f00000008c0)=""/4096, 0x1000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)

15:42:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x10, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}}, 0x8005) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x10, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}}, 0x8005)

15:42:07 executing program 5:
r0 = socket(0x25, 0x802, 0x44)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x0, 0x70bd27, 0x25dfdbff, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8020}, 0x4001)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

[ 2800.747641] nbd: must specify a device to reconfigure
[ 2800.755340] nbd: must specify a device to reconfigure
[ 2800.769822] nbd: must specify at least one socket
[ 2800.787091] nbd: must specify at least one socket
15:42:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2800.837948] nbd: must specify a device to reconfigure
15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x0, 0x70bd27, 0x25dfdbff, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8020}, 0x4001)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x0, 0x70bd27, 0x25dfdbff, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8020}, 0x4001) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:07 executing program 4:
r0 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000040)={0x80000001}) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
read$ptp(r4, &(0x7f00000008c0)=""/4096, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

15:42:07 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan0\x00'})
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$UI_ABS_SETUP(r1, 0x401c5504, &(0x7f0000000040)={0x101, {0x4, 0x81, 0xd3, 0x2, 0x0, 0x4}})
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x800, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000240)={0x80000000, &(0x7f00000000c0)=[{<r5=>0x80000000}], &(0x7f00000001c0)})
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000340)={0x80000000, &(0x7f0000000280), &(0x7f00000002c0)=[{{}, {0x80000000, <r6=>0x0}}]})
r7 = syz_open_dev$media(&(0x7f0000000100), 0x0, 0x0)
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000440)={0x80000000, 0x0, &(0x7f00000003c0)=[{}, {{}, {<r8=>0x80000000}}]})
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000540)={r8, 0x0, &(0x7f00000004c0)})
ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)=[{}, {{}, {0x80000000, <r9=>0x0}}]})
ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000480)={{r5, r6, 0x0, [0x3, 0xf0ec]}, {r8, r9, 0x5, [0x67, 0x159]}, 0x4, [0x2, 0xb55f]})
getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000180), &(0x7f0000000080)=0x4)

15:42:07 executing program 1:
syz_open_dev$dri(&(0x7f0000000000), 0x1, 0x10100)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2800.862082] nbd: must specify a device to reconfigure
[ 2800.879723] nbd: must specify a device to reconfigure
[ 2800.889124] nbd: must specify at least one socket
15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x0, 0x70bd27, 0x25dfdbff, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8020}, 0x4001)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x0, 0x70bd27, 0x25dfdbff, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_MODE={0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8020}, 0x4001) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

[ 2800.965908] nbd: must specify a device to reconfigure
15:42:07 executing program 4:
bind$isdn(0xffffffffffffffff, &(0x7f0000000040)={0x22, 0x0, 0x1f, 0x4, 0x5}, 0x6)
ioctl$UI_DEV_DESTROY(0xffffffffffffffff, 0x5502)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="c6916712515715ffffffff", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0)

15:42:07 executing program 1:
syz_open_dev$dri(&(0x7f0000000000), 0x1, 0x10100) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:07 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan0\x00'}) (async)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$UI_ABS_SETUP(r1, 0x401c5504, &(0x7f0000000040)={0x101, {0x4, 0x81, 0xd3, 0x2, 0x0, 0x4}}) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x800, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000240)={0x80000000, &(0x7f00000000c0)=[{<r5=>0x80000000}], &(0x7f00000001c0)})
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000340)={0x80000000, &(0x7f0000000280), &(0x7f00000002c0)=[{{}, {0x80000000, <r6=>0x0}}]}) (async)
r7 = syz_open_dev$media(&(0x7f0000000100), 0x0, 0x0)
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000440)={0x80000000, 0x0, &(0x7f00000003c0)=[{}, {{}, {<r8=>0x80000000}}]})
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000540)={r8, 0x0, &(0x7f00000004c0)}) (async)
ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)=[{}, {{}, {0x80000000, <r9=>0x0}}]})
ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000480)={{r5, r6, 0x0, [0x3, 0xf0ec]}, {r8, r9, 0x5, [0x67, 0x159]}, 0x4, [0x2, 0xb55f]}) (async)
getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000180), &(0x7f0000000080)=0x4)

[ 2800.989943] nbd: must specify a device to reconfigure
15:42:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x0, 0x1000], 0x2)

15:42:07 executing program 4:
bind$isdn(0xffffffffffffffff, &(0x7f0000000040)={0x22, 0x0, 0x1f, 0x4, 0x5}, 0x6)
ioctl$UI_DEV_DESTROY(0xffffffffffffffff, 0x5502)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="c6916712515715ffffffff", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0)
bind$isdn(0xffffffffffffffff, &(0x7f0000000040)={0x22, 0x0, 0x1f, 0x4, 0x5}, 0x6) (async)
ioctl$UI_DEV_DESTROY(0xffffffffffffffff, 0x5502) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="c6916712515715ffffffff", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0) (async)

15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2801.090795] nbd: must specify a device to reconfigure
15:42:07 executing program 1:
syz_open_dev$dri(&(0x7f0000000000), 0x1, 0x10100)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:07 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x0, 0x1000], 0x2)

15:42:07 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan0\x00'})
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
ioctl$UI_ABS_SETUP(r1, 0x401c5504, &(0x7f0000000040)={0x101, {0x4, 0x81, 0xd3, 0x2, 0x0, 0x4}})
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x800, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000240)={0x80000000, &(0x7f00000000c0)=[{<r5=>0x80000000}], &(0x7f00000001c0)})
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000340)={0x80000000, &(0x7f0000000280), &(0x7f00000002c0)=[{{}, {0x80000000, <r6=>0x0}}]})
r7 = syz_open_dev$media(&(0x7f0000000100), 0x0, 0x0)
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000440)={0x80000000, 0x0, &(0x7f00000003c0)=[{}, {{}, {<r8=>0x80000000}}]})
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000540)={r8, 0x0, &(0x7f00000004c0)})
ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)=[{}, {{}, {0x80000000, <r9=>0x0}}]})
ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000480)={{r5, r6, 0x0, [0x3, 0xf0ec]}, {r8, r9, 0x5, [0x67, 0x159]}, 0x4, [0x2, 0xb55f]})
getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000180), &(0x7f0000000080)=0x4)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan0\x00'}) (async)
bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async)
ioctl$UI_ABS_SETUP(r1, 0x401c5504, &(0x7f0000000040)={0x101, {0x4, 0x81, 0xd3, 0x2, 0x0, 0x4}}) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x800, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000240)={0x80000000, &(0x7f00000000c0), &(0x7f00000001c0)}) (async)
ioctl$MEDIA_IOC_ENUM_LINKS(r2, 0xc0287c02, &(0x7f0000000340)={0x80000000, &(0x7f0000000280), &(0x7f00000002c0)}) (async)
syz_open_dev$media(&(0x7f0000000100), 0x0, 0x0) (async)
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000440)={0x80000000, 0x0, &(0x7f00000003c0)}) (async)
ioctl$MEDIA_IOC_ENUM_LINKS(r7, 0xc0287c02, &(0x7f0000000540)={r8, 0x0, &(0x7f00000004c0)}) (async)
ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000440)={0x80000000, &(0x7f0000000380), &(0x7f00000003c0)}) (async)
ioctl$MEDIA_IOC_SETUP_LINK(r4, 0xc0347c03, &(0x7f0000000480)={{r5, r6, 0x0, [0x3, 0xf0ec]}, {r8, r9, 0x5, [0x67, 0x159]}, 0x4, [0x2, 0xb55f]}) (async)
getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000000180), &(0x7f0000000080)=0x4) (async)

15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 4:
bind$isdn(0xffffffffffffffff, &(0x7f0000000040)={0x22, 0x0, 0x1f, 0x4, 0x5}, 0x6) (async)
ioctl$UI_DEV_DESTROY(0xffffffffffffffff, 0x5502) (async, rerun: 32)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="c6916712515715ffffffff", @ANYRES16=r1, @ANYBLOB="0100000000"], 0x14}}, 0x0)

15:42:07 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x0, 0x1000], 0x2)

15:42:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, 0x0, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:07 executing program 5:
getsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f00000000c0)=0xffffffc8, &(0x7f0000000100)=0x4)
r0 = getpgid(0x0)
syz_open_procfs$namespace(r0, 0x0)
r1 = perf_event_open(&(0x7f0000000040)={0x5, 0x80, 0x8, 0x8, 0x20, 0x9, 0x0, 0xdd0, 0x8014, 0x6, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x3, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x7, 0x0, @perf_bp={&(0x7f0000000000), 0x2}, 0x12008, 0x200, 0x9, 0x5, 0x6, 0x0, 0x5, 0x0, 0x1f, 0x0, 0x8}, r0, 0xd, 0xffffffffffffffff, 0x8)
r2 = socket(0x2, 0x802, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, 0xffffffffffffffff)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r3, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xe1a254a588b9a339}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '(\\:('}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x121}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfff}]}, 0xac}, 0x1, 0x0, 0x0, 0x14000050}, 0x20000011)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

[ 2801.243631] nbd: must specify a device to reconfigure
[ 2801.262481] nbd: must specify a device to reconfigure
15:42:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x30001, 0x0)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000300), 0x57bfd84e15c2b52a, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r3, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x8800)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, 0x0, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 2:
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:08 executing program 5:
getsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f00000000c0)=0xffffffc8, &(0x7f0000000100)=0x4) (async)
r0 = getpgid(0x0)
syz_open_procfs$namespace(r0, 0x0)
r1 = perf_event_open(&(0x7f0000000040)={0x5, 0x80, 0x8, 0x8, 0x20, 0x9, 0x0, 0xdd0, 0x8014, 0x6, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x3, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x7, 0x0, @perf_bp={&(0x7f0000000000), 0x2}, 0x12008, 0x200, 0x9, 0x5, 0x6, 0x0, 0x5, 0x0, 0x1f, 0x0, 0x8}, r0, 0xd, 0xffffffffffffffff, 0x8) (async)
r2 = socket(0x2, 0x802, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, 0xffffffffffffffff)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:08 executing program 5:
getsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f00000000c0)=0xffffffc8, &(0x7f0000000100)=0x4) (async)
r0 = getpgid(0x0)
syz_open_procfs$namespace(r0, 0x0)
r1 = perf_event_open(&(0x7f0000000040)={0x5, 0x80, 0x8, 0x8, 0x20, 0x9, 0x0, 0xdd0, 0x8014, 0x6, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x3, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x7, 0x0, @perf_bp={&(0x7f0000000000), 0x2}, 0x12008, 0x200, 0x9, 0x5, 0x6, 0x0, 0x5, 0x0, 0x1f, 0x0, 0x8}, r0, 0xd, 0xffffffffffffffff, 0x8) (async)
r2 = socket(0x2, 0x802, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r1, 0x40042408, 0xffffffffffffffff)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:08 executing program 2:
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r3, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xe1a254a588b9a339}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '(\\:('}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x121}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfff}]}, 0xac}, 0x1, 0x0, 0x0, 0x14000050}, 0x20000011)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:08 executing program 2:
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)

[ 2801.441688] nbd: must specify at least one socket
[ 2801.456019] nbd: must specify at least one socket
15:42:08 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, 0x0, 0x10, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb676}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x52c8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000081}, 0x4080050)

15:42:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, 0x0, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x30001, 0x0)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000300), 0x57bfd84e15c2b52a, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r3, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x8800) (async)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r3, 0x10, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xe1a254a588b9a339}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '(\\:('}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x121}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfff}]}, 0xac}, 0x1, 0x0, 0x0, 0x14000050}, 0x20000011) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:08 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, 0x0, 0x10, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb676}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x52c8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000081}, 0x4080050)

[ 2801.550706] nbd: must specify a device to reconfigure
[ 2801.562669] nbd: must specify at least one socket
15:42:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, 0x0, 0x10, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb676}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x52c8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000081}, 0x4080050)

15:42:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x30001, 0x0)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000300), 0x57bfd84e15c2b52a, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r3, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x8800)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x30001, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000300), 0x57bfd84e15c2b52a, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r3, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x8800) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) (async)
syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000009014889092974ca01d65677b8d", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2801.697682] nbd: must specify at least one socket
[ 2801.706529] nbd: must specify at least one socket
[ 2801.715859] nbd: must specify a device to reconfigure
15:42:08 executing program 2:
r0 = socket(0x2, 0x800, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$IMCTRLREQ(r0, 0x80044945, &(0x7f0000000400)={0x20, 0xfffff3a2, 0x0, 0x7})
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000000)={'vcan0\x00'})
connect$rxrpc(r1, &(0x7f0000000080)=@in6={0x21, 0x1, 0x2, 0x1c, {0xa, 0x4e22, 0x3, @private0={0xfc, 0x0, '\x00', 0x9}, 0x7}}, 0x24)
r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@bloom_filter={0x1e, 0x10001, 0x5, 0x7ff, 0xa, r2, 0x1ff, '\x00', 0x0, r2, 0x2, 0x5, 0x3, 0x3}, 0x48)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x11, 0x5, &(0x7f0000000100)=@raw=[@map_idx={0x18, 0x1, 0x5, 0x0, 0xb}, @alu={0x7, 0x0, 0x1, 0x4, 0x3, 0x80}, @map_val={0x18, 0xa, 0x2, 0x0, r3, 0x0, 0x0, 0x0, 0x6}], &(0x7f0000000200)='syzkaller\x00', 0x1000, 0x67, &(0x7f0000000240)=""/103, 0x41100, 0x4, '\x00', 0x0, 0x0, r2, 0x8, &(0x7f00000002c0)={0xa, 0x4}, 0x8, 0x10, &(0x7f0000000300)={0x0, 0xa, 0xd877, 0x200}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000340)=[r3, r3, r3, 0x1, r2]}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
ioctl$IMHOLD_L1(r5, 0x80044948, &(0x7f0000000440)=0x2)
ioctl$PERF_EVENT_IOC_SET_BPF(r2, 0x40042408, r4)
connect$rxrpc(r0, &(0x7f00000000c0)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x4e23, @loopback}}, 0x24)

15:42:08 executing program 2:
r0 = socket(0x2, 0x800, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$IMCTRLREQ(r0, 0x80044945, &(0x7f0000000400)={0x20, 0xfffff3a2, 0x0, 0x7}) (async)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000000)={'vcan0\x00'}) (async)
connect$rxrpc(r1, &(0x7f0000000080)=@in6={0x21, 0x1, 0x2, 0x1c, {0xa, 0x4e22, 0x3, @private0={0xfc, 0x0, '\x00', 0x9}, 0x7}}, 0x24) (async)
r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@bloom_filter={0x1e, 0x10001, 0x5, 0x7ff, 0xa, r2, 0x1ff, '\x00', 0x0, r2, 0x2, 0x5, 0x3, 0x3}, 0x48)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x11, 0x5, &(0x7f0000000100)=@raw=[@map_idx={0x18, 0x1, 0x5, 0x0, 0xb}, @alu={0x7, 0x0, 0x1, 0x4, 0x3, 0x80}, @map_val={0x18, 0xa, 0x2, 0x0, r3, 0x0, 0x0, 0x0, 0x6}], &(0x7f0000000200)='syzkaller\x00', 0x1000, 0x67, &(0x7f0000000240)=""/103, 0x41100, 0x4, '\x00', 0x0, 0x0, r2, 0x8, &(0x7f00000002c0)={0xa, 0x4}, 0x8, 0x10, &(0x7f0000000300)={0x0, 0xa, 0xd877, 0x200}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000340)=[r3, r3, r3, 0x1, r2]}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
ioctl$IMHOLD_L1(r5, 0x80044948, &(0x7f0000000440)=0x2) (async)
ioctl$PERF_EVENT_IOC_SET_BPF(r2, 0x40042408, r4)
connect$rxrpc(r0, &(0x7f00000000c0)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x4e23, @loopback}}, 0x24)

15:42:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, 0x0, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000009014889092974ca01d65677b8d", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
sendmsg$key(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x2, 0x6, 0x80, 0x0, 0x44, 0x0, 0x70bd28, 0x25dfdbfc, [@sadb_key={0x19, 0x8, 0x5e8, 0x0, "379538215e1d23ebde7f6bbbe3e1445ebf6c575e717b56e181d6a3873f8c9c89c44c20a40d18fe857a09cc91ecc165846e08d1ef9d647ce42c842c19d504280b88e8ee141b2191ee364073ba5d875d8ebfd8b29487fb0ac77624581f28f4340a4d669f175495057ba690a64191cda1eb955a8d0c055f25ca7e8d88523ab01b27c7e42002b2f496404568df3c323e442048d69c0c7a081debdd0308a8d56e84e5b7e4fa63659296886d2bf755a177988021ba5e5fff2c0a6c51bce78cc1"}, @sadb_x_sec_ctx={0x1d, 0x18, 0x7f, 0x6, 0xdb, "5f012a28aa97046fb649c19921dc8be4fd41da682b78eeb52ef29d379b00f3b2adcaa05e7fa9963069144e66ace5bbceefbdf1542bc4cd2ea1c789293f1ed3685b40988c3973d31e2dc680b599bcc52ab8213fc49c0b6b0fe2cec20ca676885fbf7ff7ae1541ddc0f942146707981a92476fccb160cf8739519bc0007633f31e4e26ff22e539bc1402a12fcc7f9d5fd3a9124f4f72d5e4c8370d65c42c3ef5ef1780169adbed26a88ebb996f2f31bc15406d2b38af20ecc0a939c97d9240a72b7cabc7639481d92aaf5f9482db7c138d83a12be00e234ec683d8d1"}, @sadb_lifetime={0x4, 0x3, 0x2, 0x8001, 0x0, 0x1ff}, @sadb_x_policy={0x8, 0x12, 0x0, 0x2, 0x0, 0x6e6bb3, 0x3, {0x6, 0x32, 0x24, 0x2, 0x0, 0x5f3, 0x0, @in6=@private1, @in=@local}}]}, 0x220}}, 0x10)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2801.847106] nbd: must specify at least one socket
[ 2801.865205] nbd: must specify a device to reconfigure
15:42:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0xffffffffffffff91, r1, 0x20}, 0x14}}, 0x0)

15:42:08 executing program 2:
r0 = socket(0x2, 0x800, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
ioctl$IMCTRLREQ(r0, 0x80044945, &(0x7f0000000400)={0x20, 0xfffff3a2, 0x0, 0x7}) (async)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000000)={'vcan0\x00'})
connect$rxrpc(r1, &(0x7f0000000080)=@in6={0x21, 0x1, 0x2, 0x1c, {0xa, 0x4e22, 0x3, @private0={0xfc, 0x0, '\x00', 0x9}, 0x7}}, 0x24) (async)
r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@bloom_filter={0x1e, 0x10001, 0x5, 0x7ff, 0xa, r2, 0x1ff, '\x00', 0x0, r2, 0x2, 0x5, 0x3, 0x3}, 0x48)
r4 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x11, 0x5, &(0x7f0000000100)=@raw=[@map_idx={0x18, 0x1, 0x5, 0x0, 0xb}, @alu={0x7, 0x0, 0x1, 0x4, 0x3, 0x80}, @map_val={0x18, 0xa, 0x2, 0x0, r3, 0x0, 0x0, 0x0, 0x6}], &(0x7f0000000200)='syzkaller\x00', 0x1000, 0x67, &(0x7f0000000240)=""/103, 0x41100, 0x4, '\x00', 0x0, 0x0, r2, 0x8, &(0x7f00000002c0)={0xa, 0x4}, 0x8, 0x10, &(0x7f0000000300)={0x0, 0xa, 0xd877, 0x200}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000340)=[r3, r3, r3, 0x1, r2]}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
ioctl$IMHOLD_L1(r5, 0x80044948, &(0x7f0000000440)=0x2)
ioctl$PERF_EVENT_IOC_SET_BPF(r2, 0x40042408, r4) (async)
connect$rxrpc(r0, &(0x7f00000000c0)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x4e23, @loopback}}, 0x24)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
sendmsg$key(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x2, 0x6, 0x80, 0x0, 0x44, 0x0, 0x70bd28, 0x25dfdbfc, [@sadb_key={0x19, 0x8, 0x5e8, 0x0, "379538215e1d23ebde7f6bbbe3e1445ebf6c575e717b56e181d6a3873f8c9c89c44c20a40d18fe857a09cc91ecc165846e08d1ef9d647ce42c842c19d504280b88e8ee141b2191ee364073ba5d875d8ebfd8b29487fb0ac77624581f28f4340a4d669f175495057ba690a64191cda1eb955a8d0c055f25ca7e8d88523ab01b27c7e42002b2f496404568df3c323e442048d69c0c7a081debdd0308a8d56e84e5b7e4fa63659296886d2bf755a177988021ba5e5fff2c0a6c51bce78cc1"}, @sadb_x_sec_ctx={0x1d, 0x18, 0x7f, 0x6, 0xdb, "5f012a28aa97046fb649c19921dc8be4fd41da682b78eeb52ef29d379b00f3b2adcaa05e7fa9963069144e66ace5bbceefbdf1542bc4cd2ea1c789293f1ed3685b40988c3973d31e2dc680b599bcc52ab8213fc49c0b6b0fe2cec20ca676885fbf7ff7ae1541ddc0f942146707981a92476fccb160cf8739519bc0007633f31e4e26ff22e539bc1402a12fcc7f9d5fd3a9124f4f72d5e4c8370d65c42c3ef5ef1780169adbed26a88ebb996f2f31bc15406d2b38af20ecc0a939c97d9240a72b7cabc7639481d92aaf5f9482db7c138d83a12be00e234ec683d8d1"}, @sadb_lifetime={0x4, 0x3, 0x2, 0x8001, 0x0, 0x1ff}, @sadb_x_policy={0x8, 0x12, 0x0, 0x2, 0x0, 0x6e6bb3, 0x3, {0x6, 0x32, 0x24, 0x2, 0x0, 0x5f3, 0x0, @in6=@private1, @in=@local}}]}, 0x220}}, 0x10)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, 0x0, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000009014889092974ca01d65677b8d", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
sendmsg$key(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x2, 0x6, 0x80, 0x0, 0x44, 0x0, 0x70bd28, 0x25dfdbfc, [@sadb_key={0x19, 0x8, 0x5e8, 0x0, "379538215e1d23ebde7f6bbbe3e1445ebf6c575e717b56e181d6a3873f8c9c89c44c20a40d18fe857a09cc91ecc165846e08d1ef9d647ce42c842c19d504280b88e8ee141b2191ee364073ba5d875d8ebfd8b29487fb0ac77624581f28f4340a4d669f175495057ba690a64191cda1eb955a8d0c055f25ca7e8d88523ab01b27c7e42002b2f496404568df3c323e442048d69c0c7a081debdd0308a8d56e84e5b7e4fa63659296886d2bf755a177988021ba5e5fff2c0a6c51bce78cc1"}, @sadb_x_sec_ctx={0x1d, 0x18, 0x7f, 0x6, 0xdb, "5f012a28aa97046fb649c19921dc8be4fd41da682b78eeb52ef29d379b00f3b2adcaa05e7fa9963069144e66ace5bbceefbdf1542bc4cd2ea1c789293f1ed3685b40988c3973d31e2dc680b599bcc52ab8213fc49c0b6b0fe2cec20ca676885fbf7ff7ae1541ddc0f942146707981a92476fccb160cf8739519bc0007633f31e4e26ff22e539bc1402a12fcc7f9d5fd3a9124f4f72d5e4c8370d65c42c3ef5ef1780169adbed26a88ebb996f2f31bc15406d2b38af20ecc0a939c97d9240a72b7cabc7639481d92aaf5f9482db7c138d83a12be00e234ec683d8d1"}, @sadb_lifetime={0x4, 0x3, 0x2, 0x8001, 0x0, 0x1ff}, @sadb_x_policy={0x8, 0x12, 0x0, 0x2, 0x0, 0x6e6bb3, 0x3, {0x6, 0x32, 0x24, 0x2, 0x0, 0x5f3, 0x0, @in6=@private1, @in=@local}}]}, 0x220}}, 0x10)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0xffffffffffffff91, r1, 0x20}, 0x14}}, 0x0)

15:42:08 executing program 2:
socket(0x2, 0x802, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x127000, 0x0)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000080)=[0x2, 0x3], 0x2)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x40010040, 0x0, 0x0)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
bind$rxrpc(r2, &(0x7f0000000040)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e24, @private=0xa010100}}, 0x24)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x2c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8000}, 0x20008885)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x10042, 0x0, 0x0)

15:42:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0xffffffffffffff91, r1, 0x20}, 0x14}}, 0x0)

15:42:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, 0x0, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = socket(0x27, 0x1, 0x457)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)={0x6c, r1, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x636}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x6c}, 0x1, 0x0, 0x0, 0x88090}, 0x40000)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$bt_BT_SNDMTU(r3, 0x112, 0xc, &(0x7f0000000200)=0x100, &(0x7f0000000240)=0x2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000fbdbdf250300000000babbf226a777f20a294e359af9b789c44f71a7f2e85c5fd7090b0860a3c168e7855bbd6f4b393e0e5ff7ae94cbe9ea20c2aac946ad7ca0ac972d780caa791dfa3fcfdc59478eec10c326734210498d32ee8a27433ee919394776e0c75520d2f48f7262cc7c14ba192d54beee7e28d09f121e8fadb4ea1a1c2b893c7b9a8a4ad8"], 0x14}}, 0x0)

15:42:08 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x127000, 0x0)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000080)=[0x2, 0x3], 0x2) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x40010040, 0x0, 0x0) (async)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
bind$rxrpc(r2, &(0x7f0000000040)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e24, @private=0xa010100}}, 0x24) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x2c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8000}, 0x20008885)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x10042, 0x0, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x10042, 0x0, 0x0)

15:42:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(0xffffffffffffffff, 0xc1205531, &(0x7f0000000000)={0xbf35, 0x1, 0xfffffffb, 0x80000000, '\x00', '\x00', '\x00', 0xfa9, 0x401, 0xffffff7f, 0x10000, "edfe73936ea05a15d31ecb041ea8433b"})
syz_genetlink_get_family_id$net_dm(&(0x7f0000000140), r0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000e9ec402f5b0df106098772", @ANYRES16=r1, @ANYBLOB="01dd000000000000000003000000"], 0x14}}, 0x0)

15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x10042, 0x0, 0x0)

15:42:08 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x127000, 0x0)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000080)=[0x2, 0x3], 0x2) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async, rerun: 32)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (rerun: 32)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async, rerun: 64)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x40010040, 0x0, 0x0) (rerun: 64)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
bind$rxrpc(r2, &(0x7f0000000040)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e24, @private=0xa010100}}, 0x24) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x2c, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8000}, 0x20008885)

[ 2802.249843] nla_parse: 83 callbacks suppressed
[ 2802.249850] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2802.266528] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:08 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
read$ptp(0xffffffffffffffff, &(0x7f0000000000)=""/47, 0x2f)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000300)={0xffffffffffffffff, 0xe0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4a, &(0x7f0000000040)=[0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x1, 0x9, &(0x7f0000000080)=[0x0], &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000100), 0x0, 0x10, &(0x7f0000000140), &(0x7f0000000180), 0x8, 0x10, 0x8, 0x8, &(0x7f00000001c0)}}, 0x10)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0), 0x301200, 0x0)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000100)=']\x00', 0x2)
sendto$rxrpc(r0, &(0x7f0000000000)="21e652a07b0681fcecf0018a01fd59800a298c51a520db6c792599162fee6b3391c0d876b627f793d46bf59707b0bac9724e5ca999f40eed4a06a62ec4d69ca65e8e4db80bb348181245fa5180cfb6680748c146f5be9413ea4df1006dce046b8dc9ed7af935d031b31b43543f1bec76ea0d76d447e124af8d09e138e216fe7cda966a", 0x83, 0x2004, &(0x7f00000000c0)=@in4={0x21, 0x1, 0x2, 0x0, {0x2, 0x4e23, @remote}}, 0x24)
r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000180), 0x40800, 0x0)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r2, 0x110, 0x3)

15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
read$ptp(0xffffffffffffffff, &(0x7f0000000000)=""/47, 0x2f)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000300)={0xffffffffffffffff, 0xe0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4a, &(0x7f0000000040)=[0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x1, 0x9, &(0x7f0000000080)=[0x0], &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000100), 0x0, 0x10, &(0x7f0000000140), &(0x7f0000000180), 0x8, 0x10, 0x8, 0x8, &(0x7f00000001c0)}}, 0x10)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = socket(0x27, 0x1, 0x457)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)={0x6c, r1, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x636}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x6c}, 0x1, 0x0, 0x0, 0x88090}, 0x40000)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async, rerun: 32)
getsockopt$bt_BT_SNDMTU(r3, 0x112, 0xc, &(0x7f0000000200)=0x100, &(0x7f0000000240)=0x2) (async, rerun: 32)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000fbdbdf250300000000babbf226a777f20a294e359af9b789c44f71a7f2e85c5fd7090b0860a3c168e7855bbd6f4b393e0e5ff7ae94cbe9ea20c2aac946ad7ca0ac972d780caa791dfa3fcfdc59478eec10c326734210498d32ee8a27433ee919394776e0c75520d2f48f7262cc7c14ba192d54beee7e28d09f121e8fadb4ea1a1c2b893c7b9a8a4ad8"], 0x14}}, 0x0)

[ 2802.366220] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2802.395601] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0), 0x301200, 0x0) (async)
openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0), 0x301200, 0x0)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000100)=']\x00', 0x2)
sendto$rxrpc(r0, &(0x7f0000000000)="21e652a07b0681fcecf0018a01fd59800a298c51a520db6c792599162fee6b3391c0d876b627f793d46bf59707b0bac9724e5ca999f40eed4a06a62ec4d69ca65e8e4db80bb348181245fa5180cfb6680748c146f5be9413ea4df1006dce046b8dc9ed7af935d031b31b43543f1bec76ea0d76d447e124af8d09e138e216fe7cda966a", 0x83, 0x2004, &(0x7f00000000c0)=@in4={0x21, 0x1, 0x2, 0x0, {0x2, 0x4e23, @remote}}, 0x24) (async)
sendto$rxrpc(r0, &(0x7f0000000000)="21e652a07b0681fcecf0018a01fd59800a298c51a520db6c792599162fee6b3391c0d876b627f793d46bf59707b0bac9724e5ca999f40eed4a06a62ec4d69ca65e8e4db80bb348181245fa5180cfb6680748c146f5be9413ea4df1006dce046b8dc9ed7af935d031b31b43543f1bec76ea0d76d447e124af8d09e138e216fe7cda966a", 0x83, 0x2004, &(0x7f00000000c0)=@in4={0x21, 0x1, 0x2, 0x0, {0x2, 0x4e23, @remote}}, 0x24)
r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000180), 0x40800, 0x0)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r2, 0x110, 0x3)

15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
read$ptp(0xffffffffffffffff, &(0x7f0000000000)=""/47, 0x2f) (async)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000300)={0xffffffffffffffff, 0xe0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4a, &(0x7f0000000040)=[0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x1, 0x9, &(0x7f0000000080)=[0x0], &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000100), 0x0, 0x10, &(0x7f0000000140), &(0x7f0000000180), 0x8, 0x10, 0x8, 0x8, &(0x7f00000001c0)}}, 0x10) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(0xffffffffffffffff, 0xc1205531, &(0x7f0000000000)={0xbf35, 0x1, 0xfffffffb, 0x80000000, '\x00', '\x00', '\x00', 0xfa9, 0x401, 0xffffff7f, 0x10000, "edfe73936ea05a15d31ecb041ea8433b"})
syz_genetlink_get_family_id$net_dm(&(0x7f0000000140), r0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000e9ec402f5b0df106098772", @ANYRES16=r1, @ANYBLOB="01dd000000000000000003000000"], 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000e9ec402f5b0df106098772", @ANYRES16=r1, @ANYBLOB="01dd000000000000000003000000"], 0x14}}, 0x0)

15:42:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = socket(0x27, 0x1, 0x457)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)={0x6c, r1, 0x4, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x636}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xd1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x6c}, 0x1, 0x0, 0x0, 0x88090}, 0x40000) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$bt_BT_SNDMTU(r3, 0x112, 0xc, &(0x7f0000000200)=0x100, &(0x7f0000000240)=0x2) (async, rerun: 64)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000fbdbdf250300000000babbf226a777f20a294e359af9b789c44f71a7f2e85c5fd7090b0860a3c168e7855bbd6f4b393e0e5ff7ae94cbe9ea20c2aac946ad7ca0ac972d780caa791dfa3fcfdc59478eec10c326734210498d32ee8a27433ee919394776e0c75520d2f48f7262cc7c14ba192d54beee7e28d09f121e8fadb4ea1a1c2b893c7b9a8a4ad8"], 0x14}}, 0x0)

[ 2802.484801] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0), 0x301200, 0x0)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000100)=']\x00', 0x2) (async)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000100)=']\x00', 0x2)
sendto$rxrpc(r0, &(0x7f0000000000)="21e652a07b0681fcecf0018a01fd59800a298c51a520db6c792599162fee6b3391c0d876b627f793d46bf59707b0bac9724e5ca999f40eed4a06a62ec4d69ca65e8e4db80bb348181245fa5180cfb6680748c146f5be9413ea4df1006dce046b8dc9ed7af935d031b31b43543f1bec76ea0d76d447e124af8d09e138e216fe7cda966a", 0x83, 0x2004, &(0x7f00000000c0)=@in4={0x21, 0x1, 0x2, 0x0, {0x2, 0x4e23, @remote}}, 0x24)
r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000180), 0x40800, 0x0)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r2, 0x110, 0x3)

15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
setsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000040)=0x2, 0x1)
setsockopt$RXRPC_SECURITY_KEYRING(r0, 0x110, 0x2, &(0x7f0000000000)='.\x9e]%)\x00', 0x6)

[ 2802.526374] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x1, &(0x7f0000000000)=',^:%\x00', 0x5)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
setsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000040)=0x2, 0x1)
setsockopt$RXRPC_SECURITY_KEYRING(r0, 0x110, 0x2, &(0x7f0000000000)='.\x9e]%)\x00', 0x6)

[ 2802.607108] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2802.635736] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x1, &(0x7f0000000000)=',^:%\x00', 0x5) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="03000004", @ANYRES16=r1, @ANYRESHEX=r0], 0x14}}, 0x0)

15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
setsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000040)=0x2, 0x1)
setsockopt$RXRPC_SECURITY_KEYRING(r0, 0x110, 0x2, &(0x7f0000000000)='.\x9e]%)\x00', 0x6)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
setsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000040)=0x2, 0x1) (async)
setsockopt$RXRPC_SECURITY_KEYRING(r0, 0x110, 0x2, &(0x7f0000000000)='.\x9e]%)\x00', 0x6) (async)

15:42:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(0xffffffffffffffff, 0xc1205531, &(0x7f0000000000)={0xbf35, 0x1, 0xfffffffb, 0x80000000, '\x00', '\x00', '\x00', 0xfa9, 0x401, 0xffffff7f, 0x10000, "edfe73936ea05a15d31ecb041ea8433b"}) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(0xffffffffffffffff, 0xc1205531, &(0x7f0000000000)={0xbf35, 0x1, 0xfffffffb, 0x80000000, '\x00', '\x00', '\x00', 0xfa9, 0x401, 0xffffff7f, 0x10000, "edfe73936ea05a15d31ecb041ea8433b"})
syz_genetlink_get_family_id$net_dm(&(0x7f0000000140), r0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000e9ec402f5b0df106098772", @ANYRES16=r1, @ANYBLOB="01dd000000000000000003000000"], 0x14}}, 0x0)

[ 2802.722390] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x1, &(0x7f0000000000)=',^:%\x00', 0x5)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x1, &(0x7f0000000000)=',^:%\x00', 0x5) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:09 executing program 5:
r0 = socket(0x25, 0x802, 0x0)
r1 = socket$phonet_pipe(0x23, 0x5, 0x2)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000080)={'vxcan0\x00'})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
accept4$phonet_pipe(r0, 0x0, &(0x7f0000000040), 0x800)
connect$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e20, 0x101, @empty, 0x10001}}, 0x24)

[ 2802.762823] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="03000004", @ANYRES16=r1, @ANYRESHEX=r0], 0x14}}, 0x0)

15:42:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 5:
r0 = socket(0x25, 0x802, 0x0) (async)
r1 = socket$phonet_pipe(0x23, 0x5, 0x2)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000080)={'vxcan0\x00'})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
accept4$phonet_pipe(r0, 0x0, &(0x7f0000000040), 0x800) (async)
connect$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e20, 0x101, @empty, 0x10001}}, 0x24)

15:42:09 executing program 2:
socket(0x2, 0x802, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = socket$bt_cmtp(0x1f, 0x3, 0x5)
getsockopt$bt_BT_POWER(r1, 0x112, 0x9, &(0x7f0000000000)=0x40, &(0x7f0000000040)=0x1)
recvfrom$rxrpc(r0, 0x0, 0xfffffd59, 0x40010001, 0x0, 0x0)

15:42:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="03000004", @ANYRES16=r1, @ANYRESHEX=r0], 0x14}}, 0x0)

15:42:09 executing program 2:
socket(0x2, 0x802, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
r1 = socket$bt_cmtp(0x1f, 0x3, 0x5)
getsockopt$bt_BT_POWER(r1, 0x112, 0x9, &(0x7f0000000000)=0x40, &(0x7f0000000040)=0x1)
recvfrom$rxrpc(r0, 0x0, 0xfffffd59, 0x40010001, 0x0, 0x0)

15:42:09 executing program 5:
r0 = socket(0x25, 0x802, 0x0) (async)
r1 = socket$phonet_pipe(0x23, 0x5, 0x2)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000080)={'vxcan0\x00'}) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
accept4$phonet_pipe(r0, 0x0, &(0x7f0000000040), 0x800) (async)
connect$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e20, 0x101, @empty, 0x10001}}, 0x24)

15:42:09 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = socket$bt_cmtp(0x1f, 0x3, 0x5)
getsockopt$bt_BT_POWER(r1, 0x112, 0x9, &(0x7f0000000000)=0x40, &(0x7f0000000040)=0x1)
recvfrom$rxrpc(r0, 0x0, 0xfffffd59, 0x40010001, 0x0, 0x0)

15:42:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2803.014795] nbd: must specify a device to reconfigure
15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x1, &(0x7f0000000000)='[+]$[\'$.\x00', 0x9)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
bind$rxrpc(r2, &(0x7f0000000180)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e22, 0x1, @loopback, 0x1ff}}, 0x24)
ioctl$MEDIA_IOC_ENUM_ENTITIES(r1, 0xc1007c01, &(0x7f0000000040))

15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
getsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000000)=0x8, &(0x7f0000000040)=0x1)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="5c0000955680d3d9aa863a2b8c0c8ca300", @ANYRES16=r1, @ANYBLOB="04002bbd7000fcdbdf25020000000c00050001010000000000000c00080001000080000000000c00060000000000000000000c0005000c010000000000000c00060000000000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4004090)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000)

[ 2803.108949] nbd: must specify a device to reconfigure
15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x1, &(0x7f0000000000)='[+]$[\'$.\x00', 0x9) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
bind$rxrpc(r2, &(0x7f0000000180)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e22, 0x1, @loopback, 0x1ff}}, 0x24)
ioctl$MEDIA_IOC_ENUM_ENTITIES(r1, 0xc1007c01, &(0x7f0000000040))

15:42:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
getsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000000)=0x8, &(0x7f0000000040)=0x1) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x1, &(0x7f0000000000)='[+]$[\'$.\x00', 0x9) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
bind$rxrpc(r2, &(0x7f0000000180)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e22, 0x1, @loopback, 0x1ff}}, 0x24)
ioctl$MEDIA_IOC_ENUM_ENTITIES(r1, 0xc1007c01, &(0x7f0000000040))

[ 2803.191492] nbd: must specify a device to reconfigure
15:42:09 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
getsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000000)=0x8, &(0x7f0000000040)=0x1)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:09 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff, 0x14}, 0x10)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r1}, 0x8)
ioctl$IMCLEAR_L2(r2, 0x80044946, &(0x7f0000000040)=0x101)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:09 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000000)={'vxcan0\x00'})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="5c0000955680d3d9aa863a2b8c0c8ca300", @ANYRES16=r1, @ANYBLOB="04002bbd7000fcdbdf25020000000c00050001010000000000000c00080001000080000000000c00060000000000000000000c0005000c010000000000000c00060000000000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4004090) (async, rerun: 32)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async, rerun: 32)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000)

15:42:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x10, 0x70bd2a, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
bpf$LINK_DETACH(0x22, &(0x7f0000000100)=r4, 0x4)

[ 2803.283747] nbd: must specify a device to reconfigure
15:42:10 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000000)={'vxcan0\x00'})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000000)={'vxcan0\x00'}) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff, 0x14}, 0x10)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r1}, 0x8)
ioctl$IMCLEAR_L2(r2, 0x80044946, &(0x7f0000000040)=0x101)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:10 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000000)={'vxcan0\x00'})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000000)={'vxcan0\x00'}) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0) (async)
r1 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff, 0x14}, 0x10)
r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r1}, 0x8)
ioctl$IMCLEAR_L2(r2, 0x80044946, &(0x7f0000000040)=0x101) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 2:
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(0xffffffffffffffff, 0xc4c85513, &(0x7f0000000000)={{0x1, 0x5, 0x4, 0x7, 'syz0\x00', 0x5}, 0x0, [0x800, 0x1, 0x4, 0x5, 0x8, 0x0, 0x800, 0x4, 0x1, 0x3, 0x8001, 0x6, 0x1, 0x7fff, 0xffffffffffffffff, 0x6, 0x1, 0x7, 0x2, 0x0, 0x5f1, 0x10000, 0xfffffffffffffffe, 0x6, 0x7, 0x800, 0xffffffffffffffff, 0x8, 0x7fffffffffffffff, 0x10001, 0x9, 0x7a2c, 0x3, 0x100000001, 0x3ff, 0x9b79, 0xfffffffffffff801, 0x7, 0x6, 0xd058, 0xbf3, 0x100000001, 0x8000, 0x7f, 0x7ff, 0x9, 0xfff, 0x708a5428, 0x7, 0x8, 0x7fffffffffffffff, 0xffffffffffff7fff, 0x7fff, 0x2, 0x101, 0x3, 0xfa62, 0x0, 0x1, 0xff, 0x3870, 0x4, 0x85d7, 0x8f, 0x3, 0x6, 0x3, 0x0, 0x2, 0xffffffffffffffff, 0x2, 0x2, 0x0, 0x7, 0x800, 0x3ff, 0x8000, 0x8, 0x101, 0x0, 0x0, 0x5, 0x5, 0xa32, 0x2c, 0x4, 0x9, 0x69e, 0x7e, 0x7, 0x2, 0x200, 0x8000000000000001, 0x59, 0xffffffffffff8001, 0x400, 0xffff, 0x6, 0x3, 0x26d9, 0x400, 0x8, 0x0, 0x921b, 0x46f, 0x80f, 0x8a5, 0x3e, 0xffff, 0x2, 0x2, 0x4, 0x6, 0x4, 0x3f0, 0x75, 0x4, 0x4, 0xfffffffffc000000, 0x6, 0x7fffffff, 0x20, 0x8, 0x6, 0x1, 0x1a2b, 0x1, 0x1000]})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f0000000000), 0x4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="5c0000955680d3d9aa863a2b8c0c8ca300", @ANYRES16=r1, @ANYBLOB="04002bbd7000fcdbdf25020000000c00050001010000000000000c00080001000080000000000c00060000000000000000000c0005000c010000000000000c00060000000000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4004090)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="5c0000955680d3d9aa863a2b8c0c8ca300", @ANYRES16=r1, @ANYBLOB="04002bbd7000fcdbdf25020000000c00050001010000000000000c00080001000080000000000c00060000000000000000000c0005000c010000000000000c00060000000000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4004090) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async)

15:42:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x0, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2) (async)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x10, 0x70bd2a, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
bpf$LINK_DETACH(0x22, &(0x7f0000000100)=r4, 0x4)

[ 2803.535125] nbd: must specify a device to reconfigure
15:42:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f0000000000), 0x4) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:10 executing program 2:
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(0xffffffffffffffff, 0xc4c85513, &(0x7f0000000000)={{0x1, 0x5, 0x4, 0x7, 'syz0\x00', 0x5}, 0x0, [0x800, 0x1, 0x4, 0x5, 0x8, 0x0, 0x800, 0x4, 0x1, 0x3, 0x8001, 0x6, 0x1, 0x7fff, 0xffffffffffffffff, 0x6, 0x1, 0x7, 0x2, 0x0, 0x5f1, 0x10000, 0xfffffffffffffffe, 0x6, 0x7, 0x800, 0xffffffffffffffff, 0x8, 0x7fffffffffffffff, 0x10001, 0x9, 0x7a2c, 0x3, 0x100000001, 0x3ff, 0x9b79, 0xfffffffffffff801, 0x7, 0x6, 0xd058, 0xbf3, 0x100000001, 0x8000, 0x7f, 0x7ff, 0x9, 0xfff, 0x708a5428, 0x7, 0x8, 0x7fffffffffffffff, 0xffffffffffff7fff, 0x7fff, 0x2, 0x101, 0x3, 0xfa62, 0x0, 0x1, 0xff, 0x3870, 0x4, 0x85d7, 0x8f, 0x3, 0x6, 0x3, 0x0, 0x2, 0xffffffffffffffff, 0x2, 0x2, 0x0, 0x7, 0x800, 0x3ff, 0x8000, 0x8, 0x101, 0x0, 0x0, 0x5, 0x5, 0xa32, 0x2c, 0x4, 0x9, 0x69e, 0x7e, 0x7, 0x2, 0x200, 0x8000000000000001, 0x59, 0xffffffffffff8001, 0x400, 0xffff, 0x6, 0x3, 0x26d9, 0x400, 0x8, 0x0, 0x921b, 0x46f, 0x80f, 0x8a5, 0x3e, 0xffff, 0x2, 0x2, 0x4, 0x6, 0x4, 0x3f0, 0x75, 0x4, 0x4, 0xfffffffffc000000, 0x6, 0x7fffffff, 0x20, 0x8, 0x6, 0x1, 0x1a2b, 0x1, 0x1000]})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(0xffffffffffffffff, 0xc4c85513, &(0x7f0000000000)={{0x1, 0x5, 0x4, 0x7, 'syz0\x00', 0x5}, 0x0, [0x800, 0x1, 0x4, 0x5, 0x8, 0x0, 0x800, 0x4, 0x1, 0x3, 0x8001, 0x6, 0x1, 0x7fff, 0xffffffffffffffff, 0x6, 0x1, 0x7, 0x2, 0x0, 0x5f1, 0x10000, 0xfffffffffffffffe, 0x6, 0x7, 0x800, 0xffffffffffffffff, 0x8, 0x7fffffffffffffff, 0x10001, 0x9, 0x7a2c, 0x3, 0x100000001, 0x3ff, 0x9b79, 0xfffffffffffff801, 0x7, 0x6, 0xd058, 0xbf3, 0x100000001, 0x8000, 0x7f, 0x7ff, 0x9, 0xfff, 0x708a5428, 0x7, 0x8, 0x7fffffffffffffff, 0xffffffffffff7fff, 0x7fff, 0x2, 0x101, 0x3, 0xfa62, 0x0, 0x1, 0xff, 0x3870, 0x4, 0x85d7, 0x8f, 0x3, 0x6, 0x3, 0x0, 0x2, 0xffffffffffffffff, 0x2, 0x2, 0x0, 0x7, 0x800, 0x3ff, 0x8000, 0x8, 0x101, 0x0, 0x0, 0x5, 0x5, 0xa32, 0x2c, 0x4, 0x9, 0x69e, 0x7e, 0x7, 0x2, 0x200, 0x8000000000000001, 0x59, 0xffffffffffff8001, 0x400, 0xffff, 0x6, 0x3, 0x26d9, 0x400, 0x8, 0x0, 0x921b, 0x46f, 0x80f, 0x8a5, 0x3e, 0xffff, 0x2, 0x2, 0x4, 0x6, 0x4, 0x3f0, 0x75, 0x4, 0x4, 0xfffffffffc000000, 0x6, 0x7fffffff, 0x20, 0x8, 0x6, 0x1, 0x1a2b, 0x1, 0x1000]}) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

[ 2803.624450] nbd: must specify a device to reconfigure
15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f0000000000), 0x4) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:10 executing program 2:
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(0xffffffffffffffff, 0xc4c85513, &(0x7f0000000000)={{0x1, 0x5, 0x4, 0x7, 'syz0\x00', 0x5}, 0x0, [0x800, 0x1, 0x4, 0x5, 0x8, 0x0, 0x800, 0x4, 0x1, 0x3, 0x8001, 0x6, 0x1, 0x7fff, 0xffffffffffffffff, 0x6, 0x1, 0x7, 0x2, 0x0, 0x5f1, 0x10000, 0xfffffffffffffffe, 0x6, 0x7, 0x800, 0xffffffffffffffff, 0x8, 0x7fffffffffffffff, 0x10001, 0x9, 0x7a2c, 0x3, 0x100000001, 0x3ff, 0x9b79, 0xfffffffffffff801, 0x7, 0x6, 0xd058, 0xbf3, 0x100000001, 0x8000, 0x7f, 0x7ff, 0x9, 0xfff, 0x708a5428, 0x7, 0x8, 0x7fffffffffffffff, 0xffffffffffff7fff, 0x7fff, 0x2, 0x101, 0x3, 0xfa62, 0x0, 0x1, 0xff, 0x3870, 0x4, 0x85d7, 0x8f, 0x3, 0x6, 0x3, 0x0, 0x2, 0xffffffffffffffff, 0x2, 0x2, 0x0, 0x7, 0x800, 0x3ff, 0x8000, 0x8, 0x101, 0x0, 0x0, 0x5, 0x5, 0xa32, 0x2c, 0x4, 0x9, 0x69e, 0x7e, 0x7, 0x2, 0x200, 0x8000000000000001, 0x59, 0xffffffffffff8001, 0x400, 0xffff, 0x6, 0x3, 0x26d9, 0x400, 0x8, 0x0, 0x921b, 0x46f, 0x80f, 0x8a5, 0x3e, 0xffff, 0x2, 0x2, 0x4, 0x6, 0x4, 0x3f0, 0x75, 0x4, 0x4, 0xfffffffffc000000, 0x6, 0x7fffffff, 0x20, 0x8, 0x6, 0x1, 0x1a2b, 0x1, 0x1000]})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(0xffffffffffffffff, 0xc4c85513, &(0x7f0000000000)={{0x1, 0x5, 0x4, 0x7, 'syz0\x00', 0x5}, 0x0, [0x800, 0x1, 0x4, 0x5, 0x8, 0x0, 0x800, 0x4, 0x1, 0x3, 0x8001, 0x6, 0x1, 0x7fff, 0xffffffffffffffff, 0x6, 0x1, 0x7, 0x2, 0x0, 0x5f1, 0x10000, 0xfffffffffffffffe, 0x6, 0x7, 0x800, 0xffffffffffffffff, 0x8, 0x7fffffffffffffff, 0x10001, 0x9, 0x7a2c, 0x3, 0x100000001, 0x3ff, 0x9b79, 0xfffffffffffff801, 0x7, 0x6, 0xd058, 0xbf3, 0x100000001, 0x8000, 0x7f, 0x7ff, 0x9, 0xfff, 0x708a5428, 0x7, 0x8, 0x7fffffffffffffff, 0xffffffffffff7fff, 0x7fff, 0x2, 0x101, 0x3, 0xfa62, 0x0, 0x1, 0xff, 0x3870, 0x4, 0x85d7, 0x8f, 0x3, 0x6, 0x3, 0x0, 0x2, 0xffffffffffffffff, 0x2, 0x2, 0x0, 0x7, 0x800, 0x3ff, 0x8000, 0x8, 0x101, 0x0, 0x0, 0x5, 0x5, 0xa32, 0x2c, 0x4, 0x9, 0x69e, 0x7e, 0x7, 0x2, 0x200, 0x8000000000000001, 0x59, 0xffffffffffff8001, 0x400, 0xffff, 0x6, 0x3, 0x26d9, 0x400, 0x8, 0x0, 0x921b, 0x46f, 0x80f, 0x8a5, 0x3e, 0xffff, 0x2, 0x2, 0x4, 0x6, 0x4, 0x3f0, 0x75, 0x4, 0x4, 0xfffffffffc000000, 0x6, 0x7fffffff, 0x20, 0x8, 0x6, 0x1, 0x1a2b, 0x1, 0x1000]}) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x10, 0x70bd2a, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
bpf$LINK_DETACH(0x22, &(0x7f0000000100)=r4, 0x4)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2) (async)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x10, 0x70bd2a, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x8000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
bpf$LINK_DETACH(0x22, &(0x7f0000000100)=r4, 0x4) (async)

15:42:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x0, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000000)={<r1=>0x0})
ioctl$DRM_IOCTL_LOCK(r0, 0x4008642a, &(0x7f0000000040)={r1})
r2 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000edee134a67fa4cbec2e335ecbf25c0ef390e92e40018"], 0x14}}, 0x0)

[ 2803.719028] nbd: must specify a device to reconfigure
15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$PTP_ENABLE_PPS(0xffffffffffffffff, 0x40043d04, 0x0)

15:42:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000000)={<r1=>0x0})
ioctl$DRM_IOCTL_LOCK(r0, 0x4008642a, &(0x7f0000000040)={r1}) (async)
r2 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$PTP_ENABLE_PPS(0xffffffffffffffff, 0x40043d04, 0x0)

15:42:10 executing program 2:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000000)={<r1=>0x0})
ioctl$DRM_IOCTL_LOCK(r0, 0x4008642a, &(0x7f0000000040)={r1}) (async)
r2 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r2, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x0, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000edee134a67fa4cbec2e335ecbf25c0ef390e92e40018"], 0x14}}, 0x0)

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$PTP_ENABLE_PPS(0xffffffffffffffff, 0x40043d04, 0x0) (async)
ioctl$PTP_ENABLE_PPS(0xffffffffffffffff, 0x40043d04, 0x0)

[ 2803.899431] nbd: must specify a device to reconfigure
15:42:10 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000edee134a67fa4cbec2e335ecbf25c0ef390e92e40018"], 0x14}}, 0x0)

15:42:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 2:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
getsockopt$bt_BT_VOICE(r0, 0x112, 0xb, &(0x7f0000000040)=0x7, &(0x7f0000000080)=0x2)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000240), 0x44142, 0x0)
ioctl$SOUND_MIXER_READ_DEVMASK(r3, 0x80044dfe, &(0x7f0000000280))
getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2)
r4 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0)={r2}, 0x8)
ioctl$SOUND_MIXER_READ_VOLUME(r4, 0x80044d13, &(0x7f0000000200))
ioctl$UI_END_FF_UPLOAD(r2, 0x406855c9, &(0x7f0000000100)={0xb, 0x1, {0x55, 0x7, 0x1, {0x100, 0x4}, {0x1, 0x7ff}, @cond=[{0xaf, 0x4, 0x20, 0x101, 0xfff, 0x6}, {0x200, 0x1, 0x400, 0x2, 0xffff, 0xf2}]}, {0x51, 0x0, 0x5, {0xd0c, 0x9}, {0x16, 0x6}, @period={0x58, 0x6, 0x4, 0x2, 0x3ff, {0x5, 0x0, 0x401, 0x4d9}, 0x7, &(0x7f00000000c0)=[0x20a, 0x1f, 0x6, 0x2b9a, 0x9, 0x7f, 0x3]}}})
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f00000002c0)={'vxcan1\x00'})

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r1, 0x80045530, &(0x7f0000000200)=""/242)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
sendto$rxrpc(r2, &(0x7f0000000100)="5a52ec558a6c3f580039dcec03d0ccfa24d26f3cf272f8f69be219fc079c5d1655c07764c55a35a910fe2c2995b43e4280ff160580ed24e50a9880b89f5944eb9ec5c66b605e1fd778eaaf36c7f3cc8b26c2bc9a274150ffdfe6b35ebe1eb62172523435e73ef6a92ea183f490b7b47eb235168147fdfb19b261be8f5c47bf6b060f90d96776be906fa0de4aa32e2145c63112dd48002308a14c1eaab05dc3ee", 0xa0, 0x200480d0, &(0x7f00000001c0)=@in4={0x21, 0x3, 0x2, 0x10, {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x37}}}, 0x24)
accept4$phonet_pipe(r1, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x80000)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000300)={0x4, 0x5e0317b96d0d20f2, 0x100, 0x2, 'syz1\x00', 0x2})

15:42:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)=ANY=[@ANYBLOB="37dfb726", @ANYRES16=r1, @ANYBLOB="000000000043000000000000006c65d8219789d4000056191b3671507277a70b"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0x14, r4, 0x1, 0x70bd2a, 0x25dfdbff, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x240000c5}, 0x24040094)

15:42:10 executing program 2:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
getsockopt$bt_BT_VOICE(r0, 0x112, 0xb, &(0x7f0000000040)=0x7, &(0x7f0000000080)=0x2) (async)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000240), 0x44142, 0x0)
ioctl$SOUND_MIXER_READ_DEVMASK(r3, 0x80044dfe, &(0x7f0000000280))
getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2)
r4 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0)={r2}, 0x8)
ioctl$SOUND_MIXER_READ_VOLUME(r4, 0x80044d13, &(0x7f0000000200)) (async)
ioctl$UI_END_FF_UPLOAD(r2, 0x406855c9, &(0x7f0000000100)={0xb, 0x1, {0x55, 0x7, 0x1, {0x100, 0x4}, {0x1, 0x7ff}, @cond=[{0xaf, 0x4, 0x20, 0x101, 0xfff, 0x6}, {0x200, 0x1, 0x400, 0x2, 0xffff, 0xf2}]}, {0x51, 0x0, 0x5, {0xd0c, 0x9}, {0x16, 0x6}, @period={0x58, 0x6, 0x4, 0x2, 0x3ff, {0x5, 0x0, 0x401, 0x4d9}, 0x7, &(0x7f00000000c0)=[0x20a, 0x1f, 0x6, 0x2b9a, 0x9, 0x7f, 0x3]}}}) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f00000002c0)={'vxcan1\x00'})

15:42:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x0, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:10 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r1, 0x80045530, &(0x7f0000000200)=""/242)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
sendto$rxrpc(r2, &(0x7f0000000100)="5a52ec558a6c3f580039dcec03d0ccfa24d26f3cf272f8f69be219fc079c5d1655c07764c55a35a910fe2c2995b43e4280ff160580ed24e50a9880b89f5944eb9ec5c66b605e1fd778eaaf36c7f3cc8b26c2bc9a274150ffdfe6b35ebe1eb62172523435e73ef6a92ea183f490b7b47eb235168147fdfb19b261be8f5c47bf6b060f90d96776be906fa0de4aa32e2145c63112dd48002308a14c1eaab05dc3ee", 0xa0, 0x200480d0, &(0x7f00000001c0)=@in4={0x21, 0x3, 0x2, 0x10, {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x37}}}, 0x24)
accept4$phonet_pipe(r1, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x80000)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000300)={0x4, 0x5e0317b96d0d20f2, 0x100, 0x2, 'syz1\x00', 0x2})
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
pipe2$watch_queue(&(0x7f00000000c0), 0x80) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r1, 0x80045530, &(0x7f0000000200)=""/242) (async)
pipe2$watch_queue(&(0x7f0000000000), 0x80) (async)
sendto$rxrpc(r2, &(0x7f0000000100)="5a52ec558a6c3f580039dcec03d0ccfa24d26f3cf272f8f69be219fc079c5d1655c07764c55a35a910fe2c2995b43e4280ff160580ed24e50a9880b89f5944eb9ec5c66b605e1fd778eaaf36c7f3cc8b26c2bc9a274150ffdfe6b35ebe1eb62172523435e73ef6a92ea183f490b7b47eb235168147fdfb19b261be8f5c47bf6b060f90d96776be906fa0de4aa32e2145c63112dd48002308a14c1eaab05dc3ee", 0xa0, 0x200480d0, &(0x7f00000001c0)=@in4={0x21, 0x3, 0x2, 0x10, {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x37}}}, 0x24) (async)
accept4$phonet_pipe(r1, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x80000) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000300)={0x4, 0x5e0317b96d0d20f2, 0x100, 0x2, 'syz1\x00', 0x2}) (async)

[ 2804.124212] nbd: must specify a device to reconfigure
15:42:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)=ANY=[@ANYBLOB="37dfb726", @ANYRES16=r1, @ANYBLOB="000000000043000000000000006c65d8219789d4000056191b3671507277a70b"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3) (async)
r4 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x94856f4250972317}, 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0x14, r4, 0x1, 0x70bd2a, 0x25dfdbff, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x240000c5}, 0x24040094)

15:42:10 executing program 2:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
getsockopt$bt_BT_VOICE(r0, 0x112, 0xb, &(0x7f0000000040)=0x7, &(0x7f0000000080)=0x2) (async, rerun: 32)
r1 = socket(0x2, 0x802, 0x0) (rerun: 32)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x0, 0x0, 0x53)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000240), 0x44142, 0x0)
ioctl$SOUND_MIXER_READ_DEVMASK(r3, 0x80044dfe, &(0x7f0000000280)) (async, rerun: 32)
getsockopt$bt_BT_SECURITY(0xffffffffffffffff, 0x112, 0x4, &(0x7f0000000180), 0x2) (rerun: 32)
r4 = bpf$ITER_CREATE(0x21, &(0x7f00000001c0)={r2}, 0x8)
ioctl$SOUND_MIXER_READ_VOLUME(r4, 0x80044d13, &(0x7f0000000200)) (async)
ioctl$UI_END_FF_UPLOAD(r2, 0x406855c9, &(0x7f0000000100)={0xb, 0x1, {0x55, 0x7, 0x1, {0x100, 0x4}, {0x1, 0x7ff}, @cond=[{0xaf, 0x4, 0x20, 0x101, 0xfff, 0x6}, {0x200, 0x1, 0x400, 0x2, 0xffff, 0xf2}]}, {0x51, 0x0, 0x5, {0xd0c, 0x9}, {0x16, 0x6}, @period={0x58, 0x6, 0x4, 0x2, 0x3ff, {0x5, 0x0, 0x401, 0x4d9}, 0x7, &(0x7f00000000c0)=[0x20a, 0x1f, 0x6, 0x2b9a, 0x9, 0x7f, 0x3]}}}) (async, rerun: 64)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (rerun: 64)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f00000002c0)={'vxcan1\x00'})

[ 2804.181430] nbd: must specify a device to reconfigure
15:42:10 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r1, 0x80045530, &(0x7f0000000200)=""/242)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
sendto$rxrpc(r2, &(0x7f0000000100)="5a52ec558a6c3f580039dcec03d0ccfa24d26f3cf272f8f69be219fc079c5d1655c07764c55a35a910fe2c2995b43e4280ff160580ed24e50a9880b89f5944eb9ec5c66b605e1fd778eaaf36c7f3cc8b26c2bc9a274150ffdfe6b35ebe1eb62172523435e73ef6a92ea183f490b7b47eb235168147fdfb19b261be8f5c47bf6b060f90d96776be906fa0de4aa32e2145c63112dd48002308a14c1eaab05dc3ee", 0xa0, 0x200480d0, &(0x7f00000001c0)=@in4={0x21, 0x3, 0x2, 0x10, {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x37}}}, 0x24)
accept4$phonet_pipe(r1, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x80000)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000300)={0x4, 0x5e0317b96d0d20f2, 0x100, 0x2, 'syz1\x00', 0x2})
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
pipe2$watch_queue(&(0x7f00000000c0), 0x80) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r1, 0x80045530, &(0x7f0000000200)=""/242) (async)
pipe2$watch_queue(&(0x7f0000000000), 0x80) (async)
sendto$rxrpc(r2, &(0x7f0000000100)="5a52ec558a6c3f580039dcec03d0ccfa24d26f3cf272f8f69be219fc079c5d1655c07764c55a35a910fe2c2995b43e4280ff160580ed24e50a9880b89f5944eb9ec5c66b605e1fd778eaaf36c7f3cc8b26c2bc9a274150ffdfe6b35ebe1eb62172523435e73ef6a92ea183f490b7b47eb235168147fdfb19b261be8f5c47bf6b060f90d96776be906fa0de4aa32e2145c63112dd48002308a14c1eaab05dc3ee", 0xa0, 0x200480d0, &(0x7f00000001c0)=@in4={0x21, 0x3, 0x2, 0x10, {0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x37}}}, 0x24) (async)
accept4$phonet_pipe(r1, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x80000) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f0000000300)={0x4, 0x5e0317b96d0d20f2, 0x100, 0x2, 'syz1\x00', 0x2}) (async)

15:42:10 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(0xffffffffffffffff, 0x110, 0x3)

15:42:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x0, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:11 executing program 5:
r0 = socket(0x6, 0x6, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
accept4$bt_l2cap(r1, 0x0, &(0x7f0000000000), 0x800)
ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f00000000c0)={0x0, &(0x7f0000000040)=""/119})

15:42:11 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)=ANY=[@ANYBLOB="37dfb726", @ANYRES16=r1, @ANYBLOB="000000000043000000000000006c65d8219789d4000056191b3671507277a70b"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r4 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r4, 0x94856f4250972317}, 0x14}}, 0x0) (async, rerun: 32)
sendmsg$NET_DM_CMD_START(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0x14, r4, 0x1, 0x70bd2a, 0x25dfdbff, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x240000c5}, 0x24040094) (rerun: 32)

15:42:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:11 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async, rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (rerun: 32)

15:42:11 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(0xffffffffffffffff, 0x110, 0x3)

15:42:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x0, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:11 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(0xffffffffffffffff, 0x110, 0x3) (async)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(0xffffffffffffffff, 0x110, 0x3)

[ 2804.428524] nbd: must specify a device to reconfigure
15:42:11 executing program 5:
socket(0x6, 0x6, 0x0) (async)
r0 = socket(0x6, 0x6, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
accept4$bt_l2cap(r1, 0x0, &(0x7f0000000000), 0x800)
ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f00000000c0)={0x0, &(0x7f0000000040)=""/119})

15:42:11 executing program 2:
ioctl$SNDRV_CTL_IOCTL_CARD_INFO(0xffffffffffffffff, 0x81785501, &(0x7f0000000000)=""/117)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$MON_IOCQ_URB_LEN(0xffffffffffffffff, 0x9201)
ioctl$UI_ABS_SETUP(0xffffffffffffffff, 0x401c5504, &(0x7f0000000080)={0xffeb, {0x5, 0x6, 0x88c, 0x7, 0x194c, 0x8}})

15:42:11 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$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010003000000fbdbdf2542210000"], 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r6, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0x60, r1, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '\\%-&^@{'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4c814}, 0x20040000)

[ 2804.471477] nbd: must specify a device to reconfigure
[ 2804.482401] nbd: must specify a device to reconfigure
[ 2804.490618] nbd: must specify a device to reconfigure
15:42:11 executing program 2:
ioctl$SNDRV_CTL_IOCTL_CARD_INFO(0xffffffffffffffff, 0x81785501, &(0x7f0000000000)=""/117)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$MON_IOCQ_URB_LEN(0xffffffffffffffff, 0x9201)
ioctl$UI_ABS_SETUP(0xffffffffffffffff, 0x401c5504, &(0x7f0000000080)={0xffeb, {0x5, 0x6, 0x88c, 0x7, 0x194c, 0x8}})
ioctl$SNDRV_CTL_IOCTL_CARD_INFO(0xffffffffffffffff, 0x81785501, &(0x7f0000000000)=""/117) (async)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
ioctl$MON_IOCQ_URB_LEN(0xffffffffffffffff, 0x9201) (async)
ioctl$UI_ABS_SETUP(0xffffffffffffffff, 0x401c5504, &(0x7f0000000080)={0xffeb, {0x5, 0x6, 0x88c, 0x7, 0x194c, 0x8}}) (async)

15:42:11 executing program 5:
r0 = socket(0x6, 0x6, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async, rerun: 32)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (rerun: 32)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
accept4$bt_l2cap(r1, 0x0, &(0x7f0000000000), 0x800)
ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f00000000c0)={0x0, &(0x7f0000000040)=""/119})

15:42:11 executing program 2:
ioctl$SNDRV_CTL_IOCTL_CARD_INFO(0xffffffffffffffff, 0x81785501, &(0x7f0000000000)=""/117)
recvfrom$rxrpc(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$MON_IOCQ_URB_LEN(0xffffffffffffffff, 0x9201)
ioctl$UI_ABS_SETUP(0xffffffffffffffff, 0x401c5504, &(0x7f0000000080)={0xffeb, {0x5, 0x6, 0x88c, 0x7, 0x194c, 0x8}})

15:42:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:11 executing program 5:
r0 = socket(0x1a, 0x1, 0x1)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2804.685490] nbd: must specify a device to reconfigure
[ 2804.697053] nbd: must specify a device to reconfigure
[ 2804.707541] nbd: must specify a device to reconfigure
[ 2804.715247] nbd: must specify a device to reconfigure
[ 2804.722038] nbd: must specify a device to reconfigure
[ 2804.780498] nbd: must specify a device to reconfigure
[ 2804.785875] nbd: must specify a device to reconfigure
[ 2804.796582] nbd: must specify a device to reconfigure
[ 2804.802569] nbd: must specify a device to reconfigure
[ 2804.807835] nbd: must specify a device to reconfigure
[ 2804.813783] nbd: must specify a device to reconfigure
[ 2804.819612] nbd: must specify a device to reconfigure
[ 2804.824844] nbd: must specify a device to reconfigure
[ 2804.830163] nbd: must specify a device to reconfigure
[ 2804.835421] nbd: must specify a device to reconfigure
[ 2804.840941] nbd: must specify a device to reconfigure
[ 2804.846210] nbd: must specify a device to reconfigure
[ 2804.851585] nbd: must specify a device to reconfigure
[ 2804.856865] nbd: must specify a device to reconfigure
[ 2804.862214] nbd: must specify a device to reconfigure
[ 2804.867454] nbd: must specify a device to reconfigure
[ 2804.872808] nbd: must specify a device to reconfigure
15:42:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x2f, r1, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x20040081}, 0x0)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x1c0686aa5726b527}, 0x20000010)
syz_open_dev$sndctrl(&(0x7f0000000000), 0x8000000000000001, 0x10400)

15:42:11 executing program 2:
ioctl$mixer_OSS_ALSAEMULVER(0xffffffffffffffff, 0x80044df9, &(0x7f0000000000))
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:11 executing program 5:
r0 = socket(0x1a, 0x1, 0x1)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:11 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010003000000fbdbdf2542210000"], 0x14}}, 0x0) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r6, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0x60, r1, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '\\%-&^@{'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4c814}, 0x20040000)

15:42:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2804.878179] nbd: must specify a device to reconfigure
[ 2804.883526] nbd: must specify a device to reconfigure
[ 2804.888862] nbd: must specify a device to reconfigure
[ 2804.894200] nbd: must specify a device to reconfigure
[ 2804.899540] nbd: must specify a device to reconfigure
[ 2804.904765] nbd: must specify a device to reconfigure
[ 2804.910127] nbd: must specify a device to reconfigure
[ 2804.915397] nbd: must specify a device to reconfigure
[ 2804.920732] nbd: must specify a device to reconfigure
15:42:11 executing program 5:
r0 = socket(0x1a, 0x1, 0x1)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:11 executing program 2:
ioctl$mixer_OSS_ALSAEMULVER(0xffffffffffffffff, 0x80044df9, &(0x7f0000000000)) (async)
ioctl$mixer_OSS_ALSAEMULVER(0xffffffffffffffff, 0x80044df9, &(0x7f0000000000))
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:11 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(0xffffffffffffffff, 0xc1105518, &(0x7f00000000c0)={{0x8, 0x6, 0x2, 0x8, 'syz1\x00', 0x4}, 0x4, 0x10000000, 0x6, 0xffffffffffffffff, 0x6, 0x0, 'syz1\x00', &(0x7f0000000080)=['%)[\xd3^\'*\xe6\x00', '.\x00', '\x00', ':\x00', '&&!#-]#\x00', ',*&]#.\xe7\x00'], 0x1e})
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(r0, 0x110, 0x5, &(0x7f0000000000)=[0x4, 0x3], 0x2)
recvfrom$rxrpc(0xffffffffffffffff, &(0x7f0000000200)=""/15, 0xf, 0x40, &(0x7f0000000240)=@in6={0x21, 0x4, 0x2, 0x1c, {0xa, 0x4e21, 0xffff, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x69}}, 0x24)

[ 2804.988485] nbd: must specify a device to reconfigure
15:42:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:11 executing program 2:
ioctl$mixer_OSS_ALSAEMULVER(0xffffffffffffffff, 0x80044df9, &(0x7f0000000000)) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x2f, r1, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x20040081}, 0x0)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x1c0686aa5726b527}, 0x20000010) (async)
syz_open_dev$sndctrl(&(0x7f0000000000), 0x8000000000000001, 0x10400)

[ 2805.065218] nbd: must specify a device to reconfigure
15:42:11 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(0xffffffffffffffff, 0xc1105518, &(0x7f00000000c0)={{0x8, 0x6, 0x2, 0x8, 'syz1\x00', 0x4}, 0x4, 0x10000000, 0x6, 0xffffffffffffffff, 0x6, 0x0, 'syz1\x00', &(0x7f0000000080)=['%)[\xd3^\'*\xe6\x00', '.\x00', '\x00', ':\x00', '&&!#-]#\x00', ',*&]#.\xe7\x00'], 0x1e}) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(0xffffffffffffffff, 0xc1105518, &(0x7f00000000c0)={{0x8, 0x6, 0x2, 0x8, 'syz1\x00', 0x4}, 0x4, 0x10000000, 0x6, 0xffffffffffffffff, 0x6, 0x0, 'syz1\x00', &(0x7f0000000080)=['%)[\xd3^\'*\xe6\x00', '.\x00', '\x00', ':\x00', '&&!#-]#\x00', ',*&]#.\xe7\x00'], 0x1e})
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(r0, 0x110, 0x5, &(0x7f0000000000)=[0x4, 0x3], 0x2)
recvfrom$rxrpc(0xffffffffffffffff, &(0x7f0000000200)=""/15, 0xf, 0x40, &(0x7f0000000240)=@in6={0x21, 0x4, 0x2, 0x1c, {0xa, 0x4e21, 0xffff, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x69}}, 0x24)

15:42:11 executing program 2:
r0 = socket(0x2, 0x2, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x2f, r1, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x20040081}, 0x0) (async)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x1c0686aa5726b527}, 0x20000010) (async)
syz_open_dev$sndctrl(&(0x7f0000000000), 0x8000000000000001, 0x10400)

15:42:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2805.186468] nbd: must specify a device to reconfigure
15:42:11 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010003000000fbdbdf2542210000"], 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010003000000fbdbdf2542210000"], 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r6, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0x60, r1, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '\\%-&^@{'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4c814}, 0x20040000)

15:42:11 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(0xffffffffffffffff, 0xc1105518, &(0x7f00000000c0)={{0x8, 0x6, 0x2, 0x8, 'syz1\x00', 0x4}, 0x4, 0x10000000, 0x6, 0xffffffffffffffff, 0x6, 0x0, 'syz1\x00', &(0x7f0000000080)=['%)[\xd3^\'*\xe6\x00', '.\x00', '\x00', ':\x00', '&&!#-]#\x00', ',*&]#.\xe7\x00'], 0x1e})
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(r0, 0x110, 0x5, &(0x7f0000000000)=[0x4, 0x3], 0x2)
recvfrom$rxrpc(0xffffffffffffffff, &(0x7f0000000200)=""/15, 0xf, 0x40, &(0x7f0000000240)=@in6={0x21, 0x4, 0x2, 0x1c, {0xa, 0x4e21, 0xffff, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x69}}, 0x24) (async)
recvfrom$rxrpc(0xffffffffffffffff, &(0x7f0000000200)=""/15, 0xf, 0x40, &(0x7f0000000240)=@in6={0x21, 0x4, 0x2, 0x1c, {0xa, 0x4e21, 0xffff, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x69}}, 0x24)

15:42:11 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = socket$rxrpc(0x21, 0x2, 0xa)
socket$rxrpc(0x21, 0x2, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f00000000c0))
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r1, 0x110, 0x3)
r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
bind$rxrpc(r4, &(0x7f0000000080)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e20, @broadcast}}, 0x24)
setsockopt$RXRPC_SECURITY_KEYRING(r4, 0x110, 0x2, &(0x7f0000000100)='/dev/ocfs2_control\x00', 0x13)
ioctl$DRM_IOCTL_SWITCH_CTX(r3, 0x40086424, &(0x7f0000000040)={0x0, 0x2})

15:42:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2805.294391] nbd: must specify a device to reconfigure
15:42:12 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = socket$rxrpc(0x21, 0x2, 0xa) (async)
socket$rxrpc(0x21, 0x2, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async, rerun: 32)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f00000000c0)) (rerun: 32)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r1, 0x110, 0x3) (async)
r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
bind$rxrpc(r4, &(0x7f0000000080)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e20, @broadcast}}, 0x24) (async)
setsockopt$RXRPC_SECURITY_KEYRING(r4, 0x110, 0x2, &(0x7f0000000100)='/dev/ocfs2_control\x00', 0x13) (async)
ioctl$DRM_IOCTL_SWITCH_CTX(r3, 0x40086424, &(0x7f0000000040)={0x0, 0x2})

15:42:12 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x70, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}]}, 0x70}, 0x1, 0x0, 0x0, 0x40040}, 0x0)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
sendmsg$NET_DM_CMD_START(r5, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x14, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [""]}, 0x14}}, 0x4010)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
getsockopt$bt_BT_DEFER_SETUP(r7, 0x112, 0x7, &(0x7f0000000300), &(0x7f0000000480)=0x4)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r8)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r9)
sendmsg$NET_DM_CMD_START(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r10, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r8, &(0x7f00000007c0)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000740)={0x14, r10, 0x10, 0x70bd2b, 0x25dfdbff, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x20000044)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
r11 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r11, 0x5016, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="10002d3400078008000100"/22, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="0c00050028000000000000000c00040007000000000000000c00040001010000000000000c0003000000000000860000"], 0x78}, 0x1, 0x0, 0x0, 0x4004000}, 0x880)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x20004004}, 0x80)
r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r13 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r13, 0x5016, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYRES16=r0, @ANYRES64=r13, @ANYBLOB="00000000000000000000000000002f1cc63efba7456fca569fef8683095a84f8967b01d8cc"], 0x14}}, 0x4000040)

[ 2805.382274] nbd: must specify at least one socket
15:42:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="b00000008fef23a4d0582cbc27848cbf67f0c7b28971c31da73806671cad9f09b1b273ffa75900e27cf9b4b7f197b77a0fab0252d3d384b2d429b2c12dc89deb414a5348b2e5e8666ae79b44f83a", @ANYRES16=r1, @ANYBLOB="000828bd7000ffdbdf25050000000c000400ffffffffffffffff0c00080001000100000000000c000200f8070000000000000c000600010000000000000008000a006e6264000c00030006000000000000000c00030002000000000000000c00050021000000000000003400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0003000900000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x8000)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:12 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = socket$rxrpc(0x21, 0x2, 0xa) (async)
socket$rxrpc(0x21, 0x2, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f00000000c0)) (async)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r1, 0x110, 0x3) (async)
r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
bind$rxrpc(r4, &(0x7f0000000080)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e20, @broadcast}}, 0x24) (async)
setsockopt$RXRPC_SECURITY_KEYRING(r4, 0x110, 0x2, &(0x7f0000000100)='/dev/ocfs2_control\x00', 0x13) (async)
ioctl$DRM_IOCTL_SWITCH_CTX(r3, 0x40086424, &(0x7f0000000040)={0x0, 0x2})

[ 2805.409135] nbd: must specify a device to reconfigure
[ 2805.499469] nbd: must specify a device to reconfigure
[ 2805.509130] nbd: must specify at least one socket
[ 2805.516524] nbd: must specify a device to reconfigure
15:42:12 executing program 2:
r0 = socket(0x2, 0x2, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:12 executing program 5:
r0 = socket(0x2, 0x0, 0x7ca5808d)
socket(0x2c, 0x3, 0xb58c)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:12 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x70, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}]}, 0x70}, 0x1, 0x0, 0x0, 0x40040}, 0x0) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5) (async)
sendmsg$NET_DM_CMD_START(r5, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x14, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [""]}, 0x14}}, 0x4010)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
getsockopt$bt_BT_DEFER_SETUP(r7, 0x112, 0x7, &(0x7f0000000300), &(0x7f0000000480)=0x4) (async)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r8)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r9)
sendmsg$NET_DM_CMD_START(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r10, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r8, &(0x7f00000007c0)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000740)={0x14, r10, 0x10, 0x70bd2b, 0x25dfdbff, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x20000044) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0) (async)
r11 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r11, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="10002d3400078008000100"/22, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="0c00050028000000000000000c00040007000000000000000c00040001010000000000000c0003000000000000860000"], 0x78}, 0x1, 0x0, 0x0, 0x4004000}, 0x880) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x20004004}, 0x80) (async)
r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r13 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r13, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYRES16=r0, @ANYRES64=r13, @ANYBLOB="00000000000000000000000000002f1cc63efba7456fca569fef8683095a84f8967b01d8cc"], 0x14}}, 0x4000040)

15:42:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="b00000008fef23a4d0582cbc27848cbf67f0c7b28971c31da73806671cad9f09b1b273ffa75900e27cf9b4b7f197b77a0fab0252d3d384b2d429b2c12dc89deb414a5348b2e5e8666ae79b44f83a", @ANYRES16=r1, @ANYBLOB="000828bd7000ffdbdf25050000000c000400ffffffffffffffff0c00080001000100000000000c000200f8070000000000000c000600010000000000000008000a006e6264000c00030006000000000000000c00030002000000000000000c00050021000000000000003400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0003000900000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x8000) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2806.098625] nbd: must specify a device to reconfigure
15:42:12 executing program 5:
r0 = socket(0x2, 0x0, 0x7ca5808d)
socket(0x2c, 0x3, 0xb58c)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
socket(0x2, 0x0, 0x7ca5808d) (async)
socket(0x2c, 0x3, 0xb58c) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)

15:42:12 executing program 5:
r0 = socket(0x2, 0x0, 0x7ca5808d)
socket(0x2c, 0x3, 0xb58c)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:12 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(0xffffffffffffffff, 0xc0405519, &(0x7f0000000000)={0x3, 0x3, 0x20, 0x7, '\x00', 0xff})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x20200, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0x40405514, &(0x7f0000000180)={0x5, 0x2, 0xb921, 0x7, 'syz0\x00', 0xa9})
ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(0xffffffffffffffff, 0xc10c5541, &(0x7f0000000000))
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0x40405514, &(0x7f00000001c0)={0x5, 0x6, 0xfff, 0x7, 'syz0\x00', 0x8})
munmap(&(0x7f0000002000/0x2000)=nil, 0x2000)
mlock2(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x1)
munmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)
prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffd000/0x3000)=nil, 0x3000, &(0x7f0000000200)='/dev/ocfs2_control\x00')

15:42:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="b00000008fef23a4d0582cbc27848cbf67f0c7b28971c31da73806671cad9f09b1b273ffa75900e27cf9b4b7f197b77a0fab0252d3d384b2d429b2c12dc89deb414a5348b2e5e8666ae79b44f83a", @ANYRES16=r1, @ANYBLOB="000828bd7000ffdbdf25050000000c000400ffffffffffffffff0c00080001000100000000000c000200f8070000000000000c000600010000000000000008000a006e6264000c00030006000000000000000c00030002000000000000000c00050021000000000000003400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0003000900000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x8000)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="b00000008fef23a4d0582cbc27848cbf67f0c7b28971c31da73806671cad9f09b1b273ffa75900e27cf9b4b7f197b77a0fab0252d3d384b2d429b2c12dc89deb414a5348b2e5e8666ae79b44f83a", @ANYRES16=r1, @ANYBLOB="000828bd7000ffdbdf25050000000c000400ffffffffffffffff0c00080001000100000000000c000200f8070000000000000c000600010000000000000008000a006e6264000c00030006000000000000000c00030002000000000000000c00050021000000000000003400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0003000900000000000000"], 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x8000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)

[ 2806.188244] nbd: must specify a device to reconfigure
[ 2806.195280] nbd: must specify a device to reconfigure
15:42:12 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(0xffffffffffffffff, 0xc0405519, &(0x7f0000000000)={0x3, 0x3, 0x20, 0x7, '\x00', 0xff})
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x20200, 0x0) (async)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x20200, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0x40405514, &(0x7f0000000180)={0x5, 0x2, 0xb921, 0x7, 'syz0\x00', 0xa9}) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0x40405514, &(0x7f0000000180)={0x5, 0x2, 0xb921, 0x7, 'syz0\x00', 0xa9})
ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(0xffffffffffffffff, 0xc10c5541, &(0x7f0000000000))
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0x40405514, &(0x7f00000001c0)={0x5, 0x6, 0xfff, 0x7, 'syz0\x00', 0x8})
munmap(&(0x7f0000002000/0x2000)=nil, 0x2000) (async)
munmap(&(0x7f0000002000/0x2000)=nil, 0x2000)
mlock2(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x1)
munmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)
prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffd000/0x3000)=nil, 0x3000, &(0x7f0000000200)='/dev/ocfs2_control\x00')

15:42:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2806.279448] nbd: must specify a device to reconfigure
[ 2806.365417] nbd: must specify a device to reconfigure
15:42:13 executing program 2:
r0 = socket(0x2, 0x2, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x70, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}]}, 0x70}, 0x1, 0x0, 0x0, 0x40040}, 0x0) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5) (async)
sendmsg$NET_DM_CMD_START(r5, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x14, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [""]}, 0x14}}, 0x4010) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
getsockopt$bt_BT_DEFER_SETUP(r7, 0x112, 0x7, &(0x7f0000000300), &(0x7f0000000480)=0x4) (async)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r8) (async)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r9)
sendmsg$NET_DM_CMD_START(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r10, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r8, &(0x7f00000007c0)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000740)={0x14, r10, 0x10, 0x70bd2b, 0x25dfdbff, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x20000044) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
r11 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r11, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="10002d3400078008000100"/22, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="0c00050028000000000000000c00040007000000000000000c00040001010000000000000c0003000000000000860000"], 0x78}, 0x1, 0x0, 0x0, 0x4004000}, 0x880)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x20004004}, 0x80) (async)
r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r13 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r13, 0x5016, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYRES16=r0, @ANYRES64=r13, @ANYBLOB="00000000000000000000000000002f1cc63efba7456fca569fef8683095a84f8967b01d8cc"], 0x14}}, 0x4000040)

15:42:13 executing program 5:
ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(0xffffffffffffffff, 0xc0405519, &(0x7f0000000000)={0x3, 0x3, 0x20, 0x7, '\x00', 0xff})
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x20200, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0x40405514, &(0x7f0000000180)={0x5, 0x2, 0xb921, 0x7, 'syz0\x00', 0xa9})
ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(0xffffffffffffffff, 0xc10c5541, &(0x7f0000000000)) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0x40405514, &(0x7f00000001c0)={0x5, 0x6, 0xfff, 0x7, 'syz0\x00', 0x8})
munmap(&(0x7f0000002000/0x2000)=nil, 0x2000) (async)
mlock2(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x1) (async)
munmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000)
r1 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)
prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ffd000/0x3000)=nil, 0x3000, &(0x7f0000000200)='/dev/ocfs2_control\x00')

15:42:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r2, 0x10, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8932}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '\xc2.\\\'):():'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24004019}, 0x20000004)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14160029", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x240a4040}, 0x840)

15:42:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:13 executing program 5:
r0 = socket(0x2, 0x6, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r2, 0x10, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8932}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '\xc2.\\\'):():'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24004019}, 0x20000004)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14160029", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x240a4040}, 0x840)

[ 2806.995316] nbd: must specify a device to reconfigure
15:42:13 executing program 5:
r0 = socket(0x2, 0x6, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:13 executing program 5:
r0 = socket(0x2, 0x6, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:13 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
socket(0x15, 0xbeb3a3caafa148ba, 0xed55)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2807.080344] nbd: must specify a device to reconfigure
[ 2807.154466] nbd: must specify a device to reconfigure
15:42:14 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x163, 0x0, 0x0)

15:42:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r2, 0x10, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8932}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '\xc2.\\\'):():'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24004019}, 0x20000004) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14160029", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x240a4040}, 0x840)

15:42:14 executing program 5:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
socket(0x15, 0xbeb3a3caafa148ba, 0xed55)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r6=>0xffffffffffffffff})
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={<r9=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, 0x0, 0x10, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}]}, 0xd8}, 0x1, 0x0, 0x0, 0x8000000}, 0x4008000)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="eebb14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)

15:42:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:14 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
socket(0x15, 0xbeb3a3caafa148ba, 0xed55) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r6=>0xffffffffffffffff}) (async)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={<r9=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, 0x0, 0x10, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}]}, 0xd8}, 0x1, 0x0, 0x0, 0x8000000}, 0x4008000)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="eebb14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)

15:42:14 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x163, 0x0, 0x0)

15:42:14 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x163, 0x0, 0x0)

[ 2807.868589] nbd: must specify a device to reconfigure
15:42:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r3=>0xffffffffffffffff}, 0x80)
ioctl$IMHOLD_L1(r3, 0x80044948, &(0x7f0000000040)=0x1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:14 executing program 2:
socket(0x2, 0x802, 0x0)

15:42:14 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r3=>0x0})
sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r3}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r5=>0x0})
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r5}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0)
sendmsg$nl_route(r1, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)=@newlink={0x20c, 0x10, 0x20, 0x70bd2d, 0x25dfdbfc, {0x0, 0x0, 0x0, r3, 0x200, 0x20008}, [@IFLA_PROMISCUITY={0x8, 0x1e, 0xfff}, @IFLA_VF_PORTS={0x19c, 0x18, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@IFLA_PORT_VF={0x8, 0x1, 0x3f}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x15}, @IFLA_PORT_VF={0x8, 0x1, 0x5}, @IFLA_PORT_PROFILE={0x6, 0x2, '%\x00'}, @IFLA_PORT_VF={0x8, 0x1, 0x46}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x81}]}, {0x2c, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "d440a7429c4882ec718dc6717d8c25c0"}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "46e90f76362385b7c10304e681c6b7b0"}]}, {0x3c, 0x1, 0x0, 0x1, [@IFLA_PORT_PROFILE={0x6, 0x2, '\\\x00'}, @IFLA_PORT_PROFILE={0xc, 0x2, '.-:)^\\^\x00'}, @IFLA_PORT_PROFILE={0x10, 0x2, '.ti[\xa4!#\x84)&{\x00'}, @IFLA_PORT_INSTANCE_UUID={0x14, 0x4, "ae4d20a918b3c73f99aabb27ec52ed02"}]}, {0x44, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "41eee20f88da2a64dc80e3d5784b061c"}, @IFLA_PORT_VF={0x8, 0x1, 0x80}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x1}, @IFLA_PORT_VF={0x8, 0x1, 0x8}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "9940a2314b36723cd0b5ce1e5a539a9f"}]}, {0x64, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "8e7f17e5a443c0594e089c83ab97d6e4"}, @IFLA_PORT_INSTANCE_UUID={0x14, 0x4, "83444b711af3b04f7581dc8b26a31464"}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x81}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "b7069c21e580c8831ace14ee9632d19a"}, @IFLA_PORT_PROFILE={0x6, 0x2, '$\x00'}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "65cf948d6cee085dc757027c03a3e619"}]}, {0x54, 0x1, 0x0, 0x1, [@IFLA_PORT_PROFILE={0x6, 0x2, '!\x00'}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "9c54f0e6168260cf2491b737db8bcb21"}, @IFLA_PORT_PROFILE={0x6, 0x2, '$\x00'}, @IFLA_PORT_PROFILE={0xe, 0x2, '{^!.(%%]}\x00'}, @IFLA_PORT_VF={0x8, 0x1, 0x81}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "abe4d6a0cafba2a3147c277ed96cf474"}]}]}, @IFLA_LINKMODE={0x5, 0x11, 0x5}, @IFLA_ALT_IFNAME={0x14, 0x35, 'veth1_macvtap\x00'}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x4e6b11dc}, @IFLA_TXQLEN={0x8, 0xd, 0xab}, @IFLA_IFALIAS={0x14, 0x14, 'bridge0\x00'}]}, 0x20c}, 0x1, 0x0, 0x0, 0x4c801}, 0x10)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:14 executing program 2:
socket(0x2, 0x802, 0x0)

[ 2807.920283] nla_parse: 70 callbacks suppressed
[ 2807.920290] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2807.949400] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:14 executing program 2:
socket(0x2, 0x802, 0x0)

15:42:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r6=>0xffffffffffffffff})
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={<r9=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, 0x0, 0x10, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}]}, 0xd8}, 0x1, 0x0, 0x0, 0x8000000}, 0x4008000)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="eebb14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, 0x0, 0x10, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}]}, 0xd8}, 0x1, 0x0, 0x0, 0x8000000}, 0x4008000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="eebb14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async)

[ 2807.993465] nbd: must specify a device to reconfigure
[ 2808.048402] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2808.057253] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:14 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r3=>0x0})
sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r3}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0) (async)
r4 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r5=>0x0})
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r5}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0)
sendmsg$nl_route(r1, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)=@newlink={0x20c, 0x10, 0x20, 0x70bd2d, 0x25dfdbfc, {0x0, 0x0, 0x0, r3, 0x200, 0x20008}, [@IFLA_PROMISCUITY={0x8, 0x1e, 0xfff}, @IFLA_VF_PORTS={0x19c, 0x18, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@IFLA_PORT_VF={0x8, 0x1, 0x3f}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x15}, @IFLA_PORT_VF={0x8, 0x1, 0x5}, @IFLA_PORT_PROFILE={0x6, 0x2, '%\x00'}, @IFLA_PORT_VF={0x8, 0x1, 0x46}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x81}]}, {0x2c, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "d440a7429c4882ec718dc6717d8c25c0"}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "46e90f76362385b7c10304e681c6b7b0"}]}, {0x3c, 0x1, 0x0, 0x1, [@IFLA_PORT_PROFILE={0x6, 0x2, '\\\x00'}, @IFLA_PORT_PROFILE={0xc, 0x2, '.-:)^\\^\x00'}, @IFLA_PORT_PROFILE={0x10, 0x2, '.ti[\xa4!#\x84)&{\x00'}, @IFLA_PORT_INSTANCE_UUID={0x14, 0x4, "ae4d20a918b3c73f99aabb27ec52ed02"}]}, {0x44, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "41eee20f88da2a64dc80e3d5784b061c"}, @IFLA_PORT_VF={0x8, 0x1, 0x80}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x1}, @IFLA_PORT_VF={0x8, 0x1, 0x8}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "9940a2314b36723cd0b5ce1e5a539a9f"}]}, {0x64, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "8e7f17e5a443c0594e089c83ab97d6e4"}, @IFLA_PORT_INSTANCE_UUID={0x14, 0x4, "83444b711af3b04f7581dc8b26a31464"}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x81}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "b7069c21e580c8831ace14ee9632d19a"}, @IFLA_PORT_PROFILE={0x6, 0x2, '$\x00'}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "65cf948d6cee085dc757027c03a3e619"}]}, {0x54, 0x1, 0x0, 0x1, [@IFLA_PORT_PROFILE={0x6, 0x2, '!\x00'}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "9c54f0e6168260cf2491b737db8bcb21"}, @IFLA_PORT_PROFILE={0x6, 0x2, '$\x00'}, @IFLA_PORT_PROFILE={0xe, 0x2, '{^!.(%%]}\x00'}, @IFLA_PORT_VF={0x8, 0x1, 0x81}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "abe4d6a0cafba2a3147c277ed96cf474"}]}]}, @IFLA_LINKMODE={0x5, 0x11, 0x5}, @IFLA_ALT_IFNAME={0x14, 0x35, 'veth1_macvtap\x00'}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x4e6b11dc}, @IFLA_TXQLEN={0x8, 0xd, 0xab}, @IFLA_IFALIAS={0x14, 0x14, 'bridge0\x00'}]}, 0x20c}, 0x1, 0x0, 0x0, 0x4c801}, 0x10) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:14 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x200000, 0x0)
ioctl$IMHOLD_L1(r1, 0x80044948, &(0x7f0000000040)=0x800)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r3=>0xffffffffffffffff}, 0x80)
ioctl$IMHOLD_L1(r3, 0x80044948, &(0x7f0000000040)=0x1) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2808.089873] nbd: must specify a device to reconfigure
[ 2808.102735] nbd: must specify a device to reconfigure
15:42:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1006, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8d['}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff00000001}]}, 0x4c}, 0x1, 0x0, 0x0, 0x240000c0}, 0x1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

15:42:14 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x200000, 0x0)
ioctl$IMHOLD_L1(r1, 0x80044948, &(0x7f0000000040)=0x800) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:14 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0) (async)
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r3=>0x0})
sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r3}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0) (async)
r4 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r5=>0x0})
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r5}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0)
sendmsg$nl_route(r1, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)=@newlink={0x20c, 0x10, 0x20, 0x70bd2d, 0x25dfdbfc, {0x0, 0x0, 0x0, r3, 0x200, 0x20008}, [@IFLA_PROMISCUITY={0x8, 0x1e, 0xfff}, @IFLA_VF_PORTS={0x19c, 0x18, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@IFLA_PORT_VF={0x8, 0x1, 0x3f}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x15}, @IFLA_PORT_VF={0x8, 0x1, 0x5}, @IFLA_PORT_PROFILE={0x6, 0x2, '%\x00'}, @IFLA_PORT_VF={0x8, 0x1, 0x46}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x81}]}, {0x2c, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "d440a7429c4882ec718dc6717d8c25c0"}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "46e90f76362385b7c10304e681c6b7b0"}]}, {0x3c, 0x1, 0x0, 0x1, [@IFLA_PORT_PROFILE={0x6, 0x2, '\\\x00'}, @IFLA_PORT_PROFILE={0xc, 0x2, '.-:)^\\^\x00'}, @IFLA_PORT_PROFILE={0x10, 0x2, '.ti[\xa4!#\x84)&{\x00'}, @IFLA_PORT_INSTANCE_UUID={0x14, 0x4, "ae4d20a918b3c73f99aabb27ec52ed02"}]}, {0x44, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "41eee20f88da2a64dc80e3d5784b061c"}, @IFLA_PORT_VF={0x8, 0x1, 0x80}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x1}, @IFLA_PORT_VF={0x8, 0x1, 0x8}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "9940a2314b36723cd0b5ce1e5a539a9f"}]}, {0x64, 0x1, 0x0, 0x1, [@IFLA_PORT_HOST_UUID={0x14, 0x5, "8e7f17e5a443c0594e089c83ab97d6e4"}, @IFLA_PORT_INSTANCE_UUID={0x14, 0x4, "83444b711af3b04f7581dc8b26a31464"}, @IFLA_PORT_REQUEST={0x5, 0x6, 0x81}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "b7069c21e580c8831ace14ee9632d19a"}, @IFLA_PORT_PROFILE={0x6, 0x2, '$\x00'}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "65cf948d6cee085dc757027c03a3e619"}]}, {0x54, 0x1, 0x0, 0x1, [@IFLA_PORT_PROFILE={0x6, 0x2, '!\x00'}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "9c54f0e6168260cf2491b737db8bcb21"}, @IFLA_PORT_PROFILE={0x6, 0x2, '$\x00'}, @IFLA_PORT_PROFILE={0xe, 0x2, '{^!.(%%]}\x00'}, @IFLA_PORT_VF={0x8, 0x1, 0x81}, @IFLA_PORT_HOST_UUID={0x14, 0x5, "abe4d6a0cafba2a3147c277ed96cf474"}]}]}, @IFLA_LINKMODE={0x5, 0x11, 0x5}, @IFLA_ALT_IFNAME={0x14, 0x35, 'veth1_macvtap\x00'}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_NUM_TX_QUEUES={0x8, 0x1f, 0x4e6b11dc}, @IFLA_TXQLEN={0x8, 0xd, 0xab}, @IFLA_IFALIAS={0x14, 0x14, 'bridge0\x00'}]}, 0x20c}, 0x1, 0x0, 0x0, 0x4c801}, 0x10)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:14 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x200000, 0x0)
ioctl$IMHOLD_L1(r1, 0x80044948, &(0x7f0000000040)=0x800) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:14 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = socket$bt_cmtp(0x1f, 0x3, 0x5)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))

[ 2808.138556] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2808.168799] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:14 executing program 2:
r0 = socket(0x11, 0xe9a3fd4d2e57278a, 0x6)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:14 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = socket$bt_cmtp(0x1f, 0x3, 0x5)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)) (async)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))

[ 2808.237877] nbd: must specify a device to reconfigure
[ 2808.272340] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2808.291755] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r3=>0xffffffffffffffff}, 0x80)
ioctl$IMHOLD_L1(r3, 0x80044948, &(0x7f0000000040)=0x1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:15 executing program 2:
r0 = socket(0x11, 0xe9a3fd4d2e57278a, 0x6)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x11, 0xe9a3fd4d2e57278a, 0x6) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:15 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = socket$bt_cmtp(0x1f, 0x3, 0x5)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))

15:42:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1006, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8d['}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff00000001}]}, 0x4c}, 0x1, 0x0, 0x0, 0x240000c0}, 0x1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

[ 2808.329869] nbd: must specify a device to reconfigure
[ 2808.337605] nbd: must specify a device to reconfigure
15:42:15 executing program 2:
r0 = socket(0x11, 0xe9a3fd4d2e57278a, 0x6)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:15 executing program 5:
r0 = socket(0xb, 0x1, 0x7)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000040)={0x1, 0x1ff, 0x49e, 0xff, 0x9, 0xff, 0x9}, 0xc)
socket$nl_route(0x10, 0x3, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
mknodat$null(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x100, 0x103)

15:42:15 executing program 2:
r0 = socket(0x1a, 0x802, 0x0)
r1 = socket$rxrpc(0x21, 0x2, 0x2)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))
recvfrom$rxrpc(r1, 0x0, 0x0, 0x20, 0x0, 0x0)
getsockopt$inet6_mreq(r0, 0x29, 0x15, &(0x7f0000000040), &(0x7f0000000080)=0x14)

15:42:15 executing program 2:
r0 = socket(0x1a, 0x802, 0x0) (async)
r1 = socket$rxrpc(0x21, 0x2, 0x2)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000))
recvfrom$rxrpc(r1, 0x0, 0x0, 0x20, 0x0, 0x0) (async)
getsockopt$inet6_mreq(r0, 0x29, 0x15, &(0x7f0000000040), &(0x7f0000000080)=0x14)

[ 2808.386348] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2808.404577] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:15 executing program 5:
r0 = socket(0xb, 0x1, 0x7)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000040)={0x1, 0x1ff, 0x49e, 0xff, 0x9, 0xff, 0x9}, 0xc) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
mknodat$null(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x100, 0x103)

15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="549898b02d4bec3c2bf000419408160594", @ANYRES16=r2, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2808.453902] nbd: must specify a device to reconfigure
[ 2808.469659] nbd: must specify a device to reconfigure
15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 2:
r0 = socket(0x1a, 0x802, 0x0)
r1 = socket$rxrpc(0x21, 0x2, 0x2)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)) (async)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x20, 0x0, 0x0)
getsockopt$inet6_mreq(r0, 0x29, 0x15, &(0x7f0000000040), &(0x7f0000000080)=0x14)

15:42:15 executing program 5:
r0 = socket(0xb, 0x1, 0x7)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000040)={0x1, 0x1ff, 0x49e, 0xff, 0x9, 0xff, 0x9}, 0xc) (async, rerun: 64)
socket$nl_route(0x10, 0x3, 0x0) (async, rerun: 64)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
mknodat$null(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x100, 0x103)

15:42:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1006, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\x8d['}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff00000001}]}, 0x4c}, 0x1, 0x0, 0x0, 0x240000c0}, 0x1) (async, rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="549898b02d4bec3c2bf000419408160594", @ANYRES16=r2, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e21, 0x2215, @mcast2, 0x7}}, 0x24)
getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4)

[ 2808.521390] nbd: must specify a device to reconfigure
[ 2808.539816] nbd: must specify a device to reconfigure
15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="549898b02d4bec3c2bf000419408160594", @ANYRES16=r2, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e21, 0x2215, @mcast2, 0x7}}, 0x24) (async, rerun: 32)
getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4) (rerun: 32)

15:42:15 executing program 5:
r0 = socket(0x8, 0x2, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
sendto$rxrpc(r0, &(0x7f0000000000)="92d44bf6d1eaadacf339dab6a542f318484c8b02229df0dc01575224d086137f16739a283e94218c91801e02ba703cecb0c5e0217cfeac684069e2447b36a44c951b2420716bed100681a215b271", 0x4e, 0x4000, &(0x7f0000000080)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e22, @empty}}, 0x24)

[ 2808.592730] nbd: must specify a device to reconfigure
[ 2808.604774] nbd: must specify a device to reconfigure
15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="94000055", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e21, 0x2215, @mcast2, 0x7}}, 0x24)
getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4)

15:42:15 executing program 5:
r0 = socket(0x8, 0x2, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
sendto$rxrpc(r0, &(0x7f0000000000)="92d44bf6d1eaadacf339dab6a542f318484c8b02229df0dc01575224d086137f16739a283e94218c91801e02ba703cecb0c5e0217cfeac684069e2447b36a44c951b2420716bed100681a215b271", 0x4e, 0x4000, &(0x7f0000000080)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e22, @empty}}, 0x24)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="94000055", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r3)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x102, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000580)={&(0x7f00000004c0)={0x98, r5, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6e48}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x20040800}, 0x24000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
socket(0x29, 0x5, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x44, r2, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x8080}, 0x81)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="ac000fa0bdb80127f06d6ecca190e692f8b0e696ea98a68be8b8a87d8137ff000000000085439e8d0089c8688205132c01ffa29ed960f3303f42373688e9d32c2941fb82cb7ca3b358837f6fcbdc6b50de8bc2c40abf296c776d1026f5deea751845178aecf9fe6fc5e6c0779c0f34d472214bf176123ed4770e5601d09b344ca5dca3cb9b72636fb966be63ca1016981a9a7f254d47324c97c1543acc100e2bf2b9f14ee668532d7f7fa445c98a66e414dccbaee983b39ec2b95e428642eb314a7eab6c691128c711aee5b236001a6bc0", @ANYRES16=r2, @ANYBLOB="010029bd7000fbdbdf2505000000080001000000000008000100000000000800010000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x8001}, 0x48000)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000600), r7)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000007895e20cd3da180d58"], 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x4800)

15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x20004004)

[ 2808.729748] nbd: must specify a device to reconfigure
15:42:15 executing program 5:
r0 = socket(0x8, 0x2, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
sendto$rxrpc(r0, &(0x7f0000000000)="92d44bf6d1eaadacf339dab6a542f318484c8b02229df0dc01575224d086137f16739a283e94218c91801e02ba703cecb0c5e0217cfeac684069e2447b36a44c951b2420716bed100681a215b271", 0x4e, 0x4000, &(0x7f0000000080)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e22, @empty}}, 0x24)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="94000055", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:15 executing program 2:
setsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f0000000100)=0x20, 0x4)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
getsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000000080)={@initdev}, &(0x7f00000000c0)=0x14)
openat$mixer(0xffffffffffffff9c, &(0x7f0000000040), 0x8040, 0x0)
bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000000)={0xfff}, 0x8)

15:42:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r3)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x102, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000580)={&(0x7f00000004c0)={0x98, r5, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6e48}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x20040800}, 0x24000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
socket(0x29, 0x5, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x44, r2, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x8080}, 0x81)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="ac000fa0bdb80127f06d6ecca190e692f8b0e696ea98a68be8b8a87d8137ff000000000085439e8d0089c8688205132c01ffa29ed960f3303f42373688e9d32c2941fb82cb7ca3b358837f6fcbdc6b50de8bc2c40abf296c776d1026f5deea751845178aecf9fe6fc5e6c0779c0f34d472214bf176123ed4770e5601d09b344ca5dca3cb9b72636fb966be63ca1016981a9a7f254d47324c97c1543acc100e2bf2b9f14ee668532d7f7fa445c98a66e414dccbaee983b39ec2b95e428642eb314a7eab6c691128c711aee5b236001a6bc0", @ANYRES16=r2, @ANYBLOB="010029bd7000fbdbdf2505000000080001000000000008000100000000000800010000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x8001}, 0x48000)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000600), r7)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000007895e20cd3da180d58"], 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x4800)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r3) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x102, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000580)={&(0x7f00000004c0)={0x98, r5, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6e48}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x20040800}, 0x24000000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
socket(0x29, 0x5, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x44, r2, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x8080}, 0x81) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="ac000fa0bdb80127f06d6ecca190e692f8b0e696ea98a68be8b8a87d8137ff000000000085439e8d0089c8688205132c01ffa29ed960f3303f42373688e9d32c2941fb82cb7ca3b358837f6fcbdc6b50de8bc2c40abf296c776d1026f5deea751845178aecf9fe6fc5e6c0779c0f34d472214bf176123ed4770e5601d09b344ca5dca3cb9b72636fb966be63ca1016981a9a7f254d47324c97c1543acc100e2bf2b9f14ee668532d7f7fa445c98a66e414dccbaee983b39ec2b95e428642eb314a7eab6c691128c711aee5b236001a6bc0", @ANYRES16=r2, @ANYBLOB="010029bd7000fbdbdf2505000000080001000000000008000100000000000800010000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x8001}, 0x48000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000600), r7) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000007895e20cd3da180d58"], 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x4800) (async)

15:42:15 executing program 5:
r0 = socket(0x2, 0x801, 0x34f4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff)

15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x20004004)

[ 2808.798488] nbd: must specify a device to reconfigure
[ 2808.816537] nbd: must specify a device to reconfigure
15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1, 0x300, 0x70bd2d, 0x25dfdbfd, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x440c1}, 0x4000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)

15:42:15 executing program 2:
setsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f0000000100)=0x20, 0x4) (async)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
getsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000000080)={@initdev}, &(0x7f00000000c0)=0x14) (async)
openat$mixer(0xffffffffffffff9c, &(0x7f0000000040), 0x8040, 0x0) (async)
bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000000)={0xfff}, 0x8)

15:42:15 executing program 5:
r0 = socket(0x2, 0x801, 0x34f4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff)

15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x20004004)

[ 2808.892518] nbd: must specify a device to reconfigure
15:42:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r3) (async)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000480), 0x102, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000580)={&(0x7f00000004c0)={0x98, r5, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6e48}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x20040800}, 0x24000000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
socket(0x29, 0x5, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x44, r2, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x8080}, 0x81)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="ac000fa0bdb80127f06d6ecca190e692f8b0e696ea98a68be8b8a87d8137ff000000000085439e8d0089c8688205132c01ffa29ed960f3303f42373688e9d32c2941fb82cb7ca3b358837f6fcbdc6b50de8bc2c40abf296c776d1026f5deea751845178aecf9fe6fc5e6c0779c0f34d472214bf176123ed4770e5601d09b344ca5dca3cb9b72636fb966be63ca1016981a9a7f254d47324c97c1543acc100e2bf2b9f14ee668532d7f7fa445c98a66e414dccbaee983b39ec2b95e428642eb314a7eab6c691128c711aee5b236001a6bc0", @ANYRES16=r2, @ANYBLOB="010029bd7000fbdbdf2505000000080001000000000008000100000000000800010000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x8001}, 0x48000)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000600), r7)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000007895e20cd3da180d58"], 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x4800)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1, 0x300, 0x70bd2d, 0x25dfdbfd, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x440c1}, 0x4000000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)

15:42:15 executing program 5:
socket(0x2, 0x801, 0x34f4) (async)
r0 = socket(0x2, 0x801, 0x34f4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff)

15:42:15 executing program 2:
setsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f0000000100)=0x20, 0x4)
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
getsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000000080)={@initdev}, &(0x7f00000000c0)=0x14)
openat$mixer(0xffffffffffffff9c, &(0x7f0000000040), 0x8040, 0x0)
bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000000)={0xfff}, 0x8)
setsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f0000000100)=0x20, 0x4) (async)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
getsockopt$inet6_mreq(r0, 0x29, 0x14, &(0x7f0000000080)={@initdev}, &(0x7f00000000c0)=0x14) (async)
openat$mixer(0xffffffffffffff9c, &(0x7f0000000040), 0x8040, 0x0) (async)
bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000000)={0xfff}, 0x8) (async)

15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1, 0x300, 0x70bd2d, 0x25dfdbfd, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x440c1}, 0x4000000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)

[ 2808.948003] nbd: must specify a device to reconfigure
[ 2808.968009] nbd: must specify a device to reconfigure
15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={<r4=>0xffffffffffffffff})
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000440)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r3, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x430000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x20004010}, 0x4810)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0)

15:42:15 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'})
munmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000)

15:42:15 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
ioctl$UI_DEV_DESTROY(0xffffffffffffffff, 0x5502)
setsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000040)=0x3, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
ioctl$UI_SET_LEDBIT(r2, 0x40045569, 0x6)
ioctl$UI_SET_ABSBIT(0xffffffffffffffff, 0x40045567, 0x0)

15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2809.030729] nbd: must specify a device to reconfigure
15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r3)

15:42:15 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'})
munmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async)
munmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000) (async)

[ 2809.071761] nbd: must specify a device to reconfigure
15:42:15 executing program 2:
r0 = socket(0x2, 0x802, 0x0) (async)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
ioctl$UI_DEV_DESTROY(0xffffffffffffffff, 0x5502) (async)
setsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000040)=0x3, 0x2) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
ioctl$UI_SET_LEDBIT(r2, 0x40045569, 0x6) (async)
ioctl$UI_SET_ABSBIT(0xffffffffffffffff, 0x40045567, 0x0)

15:42:15 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async, rerun: 32)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async, rerun: 32)
munmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000)

15:42:15 executing program 2:
r0 = socket(0x2, 0x802, 0x0) (async, rerun: 64)
r1 = socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) (async, rerun: 32)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async, rerun: 32)
ioctl$UI_DEV_DESTROY(0xffffffffffffffff, 0x5502) (async)
setsockopt$bt_BT_RCVMTU(r0, 0x112, 0xd, &(0x7f0000000040)=0x3, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async, rerun: 64)
ioctl$UI_SET_LEDBIT(r2, 0x40045569, 0x6) (rerun: 64)
ioctl$UI_SET_ABSBIT(0xffffffffffffffff, 0x40045567, 0x0)

[ 2809.092167] nbd: must specify at least one socket
[ 2809.103138] nbd: must specify a device to reconfigure
15:42:15 executing program 5:
socket(0x2, 0x802, 0x0)
r0 = socket$rxrpc(0x21, 0x2, 0x2)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12021, 0x0, 0x0)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
setsockopt$MISDN_TIME_STAMP(r2, 0x0, 0x1, &(0x7f00000000c0), 0x4)
getsockopt$MISDN_TIME_STAMP(r1, 0x0, 0x1, &(0x7f0000000040), &(0x7f0000000080)=0x4)

15:42:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={<r4=>0xffffffffffffffff}) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
r6 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000440)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r3, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x430000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x20004010}, 0x4810) (async)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0)

15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r3)

15:42:15 executing program 5:
socket(0x2, 0x802, 0x0) (async)
socket(0x2, 0x802, 0x0)
socket$rxrpc(0x21, 0x2, 0x2) (async)
r0 = socket$rxrpc(0x21, 0x2, 0x2)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12021, 0x0, 0x0)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
setsockopt$MISDN_TIME_STAMP(r2, 0x0, 0x1, &(0x7f00000000c0), 0x4)
getsockopt$MISDN_TIME_STAMP(r1, 0x0, 0x1, &(0x7f0000000040), &(0x7f0000000080)=0x4)

[ 2809.173464] nbd: must specify a device to reconfigure
[ 2809.181878] nbd: must specify a device to reconfigure
15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x20004004)

15:42:15 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
setsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000080)={0x9, 0x3}, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$inet6_mreq(r1, 0x29, 0x14, &(0x7f0000000100)={@mcast2, <r4=>0x0}, &(0x7f0000000180)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x29d0b056ac3f9a18}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=@getstats={0x1c, 0x5e, 0x4, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, r4, 0x5}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
ioctl$DRM_IOCTL_LOCK(r2, 0x4008642a, &(0x7f0000000000)={0x0, 0x21})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

[ 2809.227453] nbd: must specify a device to reconfigure
15:42:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r3)

15:42:15 executing program 5:
socket(0x2, 0x802, 0x0) (async)
r0 = socket$rxrpc(0x21, 0x2, 0x2)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12021, 0x0, 0x0) (async)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
setsockopt$MISDN_TIME_STAMP(r2, 0x0, 0x1, &(0x7f00000000c0), 0x4) (async)
getsockopt$MISDN_TIME_STAMP(r1, 0x0, 0x1, &(0x7f0000000040), &(0x7f0000000080)=0x4)

15:42:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x20004004)

15:42:15 executing program 5:
r0 = socket(0x25, 0x80000, 0x1005)
getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0xfff, &(0x7f0000000040)=0x2)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:16 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={<r4=>0xffffffffffffffff})
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000440)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r3, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x430000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x20004010}, 0x4810)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0)

[ 2809.249538] nbd: must specify at least one socket
[ 2809.264030] nbd: must specify a device to reconfigure
[ 2809.273474] nbd: must specify a device to reconfigure
[ 2809.283792] nbd: must specify a device to reconfigure
15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r5, 0x8, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0) (async)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
setsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000080)={0x9, 0x3}, 0x2) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async, rerun: 64)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (rerun: 64)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$inet6_mreq(r1, 0x29, 0x14, &(0x7f0000000100)={@mcast2, <r4=>0x0}, &(0x7f0000000180)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x29d0b056ac3f9a18}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=@getstats={0x1c, 0x5e, 0x4, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, r4, 0x5}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async, rerun: 32)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async, rerun: 32)
ioctl$DRM_IOCTL_LOCK(r2, 0x4008642a, &(0x7f0000000000)={0x0, 0x21}) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x20004004)

15:42:16 executing program 5:
r0 = socket(0x25, 0x80000, 0x1005)
getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0xfff, &(0x7f0000000040)=0x2)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
socket(0x25, 0x80000, 0x1005) (async)
getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0xfff, &(0x7f0000000040)=0x2) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)

[ 2809.365822] nbd: must specify a device to reconfigure
[ 2809.376713] nbd: must specify at least one socket
[ 2809.396605] nbd: must specify at least one socket
[ 2809.404746] nbd: must specify at least one socket
15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x80)
setsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000080)={0x9, 0x3}, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$inet6_mreq(r1, 0x29, 0x14, &(0x7f0000000100)={@mcast2, <r4=>0x0}, &(0x7f0000000180)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x29d0b056ac3f9a18}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=@getstats={0x1c, 0x5e, 0x4, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, r4, 0x5}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
ioctl$DRM_IOCTL_LOCK(r2, 0x4008642a, &(0x7f0000000000)={0x0, 0x21})
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
pipe2$watch_queue(&(0x7f0000000040), 0x80) (async)
setsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000080)={0x9, 0x3}, 0x2) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
getsockopt$inet6_mreq(r1, 0x29, 0x14, &(0x7f0000000100)={@mcast2}, &(0x7f0000000180)=0x14) (async)
sendmsg$nl_route(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x29d0b056ac3f9a18}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=@getstats={0x1c, 0x5e, 0x4, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, r4, 0x5}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
ioctl$DRM_IOCTL_LOCK(r2, 0x4008642a, &(0x7f0000000000)={0x0, 0x21}) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000238a774c32363481f0f9676c7d5c0c251e8eedbd2d8a32d1871598ed51f2b40abcd6801821622d935618ec90b8bf5a4c37afaa6700717037b114c227330ce96f0be4a66a307bf43c966d4c005c86eb26f45c223cae070035cb361d4f6376c848e72335ad0740cebd51fcc48f712e67b347b347fac3c6707f0ce3407a600321f2b23086dccff59db94756f942a5ea325843bc2f6bb5203cfb6121a21833ab8605232101967d914d9d390835a7919a76ea988d095d6abd6d55fccd513cf1b7ffb6d17865f4afd904fa417adc2b0db49f5e523abfe2f63314e4f4deba5349f616105db98c3e28892733", @ANYRES16=r1, @ANYBLOB="8d3bb8d5ff010000000403000000f6994484a32e07c7e9cf6948a0c531708ffa381f9c1d1c3d2e19964952aae64ff1a2947e4b729449ad4e747f11e62e182523232558b869a786993d54aa4ee648eeb54af4e90c2a5409475857911d6fc2ef4857a342debd70f247f9b2fe5957dda4cb7b329e3b2279f912111659243768d26b9a09db3ac5df1c3da99a3f221e36053273302c2b1daff6"], 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x2, 0x70bd2d, 0x25dfdbff, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x24000805}, 0x400c0)

15:42:16 executing program 5:
r0 = socket(0x25, 0x80000, 0x1005)
getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000000)=0xfff, &(0x7f0000000040)=0x2) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r5, 0x8, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r5, 0x8, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)

[ 2809.412426] nbd: must specify a device to reconfigure
[ 2809.423487] nbd: must specify a device to reconfigure
[ 2809.447245] nbd: must specify a device to reconfigure
15:42:16 executing program 5:
munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000)
r0 = socket(0xa, 0x1, 0x2)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x1279c0, 0x0)
ioctl$UI_SET_ABSBIT(r1, 0x40045567, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$UI_SET_KEYBIT(r1, 0x40045565, 0x17d)

15:42:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000238a774c32363481f0f9676c7d5c0c251e8eedbd2d8a32d1871598ed51f2b40abcd6801821622d935618ec90b8bf5a4c37afaa6700717037b114c227330ce96f0be4a66a307bf43c966d4c005c86eb26f45c223cae070035cb361d4f6376c848e72335ad0740cebd51fcc48f712e67b347b347fac3c6707f0ce3407a600321f2b23086dccff59db94756f942a5ea325843bc2f6bb5203cfb6121a21833ab8605232101967d914d9d390835a7919a76ea988d095d6abd6d55fccd513cf1b7ffb6d17865f4afd904fa417adc2b0db49f5e523abfe2f63314e4f4deba5349f616105db98c3e28892733", @ANYRES16=r1, @ANYBLOB="8d3bb8d5ff010000000403000000f6994484a32e07c7e9cf6948a0c531708ffa381f9c1d1c3d2e19964952aae64ff1a2947e4b729449ad4e747f11e62e182523232558b869a786993d54aa4ee648eeb54af4e90c2a5409475857911d6fc2ef4857a342debd70f247f9b2fe5957dda4cb7b329e3b2279f912111659243768d26b9a09db3ac5df1c3da99a3f221e36053273302c2b1daff6"], 0x14}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x2, 0x70bd2d, 0x25dfdbff, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x24000805}, 0x400c0)

15:42:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r0, 0x110, 0x3)

[ 2809.504002] nbd: must specify a device to reconfigure
[ 2809.535338] nbd: must specify at least one socket
[ 2809.545349] nbd: must specify a device to reconfigure
15:42:16 executing program 5:
munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000)
r0 = socket(0xa, 0x1, 0x2)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x1279c0, 0x0)
ioctl$UI_SET_ABSBIT(r1, 0x40045567, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$UI_SET_KEYBIT(r1, 0x40045565, 0x17d)
munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000) (async)
socket(0xa, 0x1, 0x2) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x1279c0, 0x0) (async)
ioctl$UI_SET_ABSBIT(r1, 0x40045567, 0x3) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
ioctl$UI_SET_KEYBIT(r1, 0x40045565, 0x17d) (async)

15:42:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000238a774c32363481f0f9676c7d5c0c251e8eedbd2d8a32d1871598ed51f2b40abcd6801821622d935618ec90b8bf5a4c37afaa6700717037b114c227330ce96f0be4a66a307bf43c966d4c005c86eb26f45c223cae070035cb361d4f6376c848e72335ad0740cebd51fcc48f712e67b347b347fac3c6707f0ce3407a600321f2b23086dccff59db94756f942a5ea325843bc2f6bb5203cfb6121a21833ab8605232101967d914d9d390835a7919a76ea988d095d6abd6d55fccd513cf1b7ffb6d17865f4afd904fa417adc2b0db49f5e523abfe2f63314e4f4deba5349f616105db98c3e28892733", @ANYRES16=r1, @ANYBLOB="8d3bb8d5ff010000000403000000f6994484a32e07c7e9cf6948a0c531708ffa381f9c1d1c3d2e19964952aae64ff1a2947e4b729449ad4e747f11e62e182523232558b869a786993d54aa4ee648eeb54af4e90c2a5409475857911d6fc2ef4857a342debd70f247f9b2fe5957dda4cb7b329e3b2279f912111659243768d26b9a09db3ac5df1c3da99a3f221e36053273302c2b1daff6"], 0x14}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x2, 0x70bd2d, 0x25dfdbff, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x24000805}, 0x400c0)

[ 2809.568329] nbd: must specify a device to reconfigure
15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r0, 0x110, 0x3)

15:42:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
setsockopt$RXRPC_EXCLUSIVE_CONNECTION(r0, 0x110, 0x3)

15:42:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
socket$key(0xf, 0x3, 0x2)

15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r5, 0x8, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2809.646475] nbd: must specify at least one socket
[ 2809.653430] nbd: must specify a device to reconfigure
15:42:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)
write$uinput_user_dev(r1, &(0x7f0000000040)={'syz0\x00', {0x7, 0x1f, 0xd534, 0x3}, 0x11, [0xffffffa2, 0x5, 0x800, 0x0, 0x0, 0x7ff, 0x2, 0x1, 0xff, 0x6, 0x8, 0x80000001, 0x9, 0x7, 0x1, 0x5f, 0x7, 0x9, 0x8, 0x5, 0x2bab, 0x9, 0x7, 0x7, 0x80000, 0x7ff, 0x4, 0x6138, 0x3, 0x5, 0xff, 0x1ff, 0x7fffffff, 0x8000, 0x7, 0x8, 0x6, 0xffffffc0, 0x9, 0x30, 0xfffffffb, 0x4727, 0x3, 0x8, 0xff, 0x200, 0x4, 0x9, 0x32b35386, 0x2, 0x0, 0xff, 0x7fffffff, 0x80, 0x401, 0x9, 0x7, 0xfffffff8, 0x10000, 0x1c0, 0x3, 0xffffc000, 0x10001, 0xa529], [0x40, 0x4, 0x7, 0x5, 0x9, 0x81, 0x4, 0xffff, 0x7, 0x2, 0x1ff, 0x534d, 0x2e7, 0x20, 0xe7, 0x7, 0x3, 0x1, 0x19, 0x800, 0x4, 0xfffffff8, 0x23, 0x5, 0x2, 0x7, 0x6, 0x80000001, 0x7, 0x8, 0x100, 0x4, 0x7f, 0x2, 0x26, 0x40, 0x3ff, 0x1, 0x1ff, 0xe26, 0x2, 0xff, 0xd1f4, 0x2, 0x5, 0xfffffffe, 0x3, 0x3e, 0x0, 0x81, 0x6c, 0x9, 0xf4, 0x9, 0x7, 0x6, 0x3, 0x3f, 0x24e, 0x9, 0x4, 0x9, 0xaa, 0x1], [0x1000, 0x0, 0x4, 0x101, 0x8001, 0x10000, 0x0, 0x800, 0x3, 0x9, 0x0, 0x8, 0x1, 0x5, 0x1, 0x1, 0xffffffff, 0x5, 0x1, 0xf8000000, 0xc4, 0x1f, 0x7fffffff, 0x4, 0xcf64, 0x7, 0x3f, 0xfd2e, 0x80000001, 0x80, 0x2, 0x1, 0xf13, 0x8, 0x2, 0x0, 0x0, 0x7, 0x200, 0x200, 0x6, 0x5, 0x7, 0x8000, 0x6, 0x4, 0x8, 0x1, 0x8, 0x17, 0x4, 0x5, 0x1, 0x0, 0xffff, 0x4, 0x7, 0x8, 0x5, 0x9, 0x287, 0x250, 0x270, 0x8], [0x180000, 0xfff, 0x1, 0x4, 0x1576, 0x1, 0xad9, 0x3, 0x9, 0x1, 0x3ff, 0x6, 0x7, 0x4, 0x2, 0x7fff, 0x101, 0x8001, 0x0, 0x8001, 0x80, 0x8, 0x4, 0x8, 0x10001, 0x6, 0x2, 0x1, 0x33, 0x8bf, 0x8, 0x9, 0x4, 0x4, 0x101, 0x6, 0x8001, 0x7fffffff, 0x200, 0x3f28, 0x7f, 0x5, 0x0, 0x1, 0x1, 0x80000001, 0x0, 0x1, 0xded, 0x800, 0x8, 0xfe0, 0x5, 0x4943135f, 0x100, 0x0, 0x7, 0x5, 0x401, 0x7, 0xfffffffc, 0x3, 0x1, 0x100]}, 0x45c)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000540)={<r6=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000640)={&(0x7f0000000580)={0x98, r4, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r1}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, '/dev/ocfs2_control\x00'}]}, 0x98}}, 0x40)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000004c0), 0x80000, 0x0)

[ 2809.706439] nbd: must specify a device to reconfigure
15:42:16 executing program 5:
munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000) (async)
munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000)
r0 = socket(0xa, 0x1, 0x2)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x1279c0, 0x0) (async)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x1279c0, 0x0)
ioctl$UI_SET_ABSBIT(r1, 0x40045567, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
ioctl$UI_SET_KEYBIT(r1, 0x40045565, 0x17d)

15:42:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
socket$key(0xf, 0x3, 0x2)

15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)
write$uinput_user_dev(r1, &(0x7f0000000040)={'syz0\x00', {0x7, 0x1f, 0xd534, 0x3}, 0x11, [0xffffffa2, 0x5, 0x800, 0x0, 0x0, 0x7ff, 0x2, 0x1, 0xff, 0x6, 0x8, 0x80000001, 0x9, 0x7, 0x1, 0x5f, 0x7, 0x9, 0x8, 0x5, 0x2bab, 0x9, 0x7, 0x7, 0x80000, 0x7ff, 0x4, 0x6138, 0x3, 0x5, 0xff, 0x1ff, 0x7fffffff, 0x8000, 0x7, 0x8, 0x6, 0xffffffc0, 0x9, 0x30, 0xfffffffb, 0x4727, 0x3, 0x8, 0xff, 0x200, 0x4, 0x9, 0x32b35386, 0x2, 0x0, 0xff, 0x7fffffff, 0x80, 0x401, 0x9, 0x7, 0xfffffff8, 0x10000, 0x1c0, 0x3, 0xffffc000, 0x10001, 0xa529], [0x40, 0x4, 0x7, 0x5, 0x9, 0x81, 0x4, 0xffff, 0x7, 0x2, 0x1ff, 0x534d, 0x2e7, 0x20, 0xe7, 0x7, 0x3, 0x1, 0x19, 0x800, 0x4, 0xfffffff8, 0x23, 0x5, 0x2, 0x7, 0x6, 0x80000001, 0x7, 0x8, 0x100, 0x4, 0x7f, 0x2, 0x26, 0x40, 0x3ff, 0x1, 0x1ff, 0xe26, 0x2, 0xff, 0xd1f4, 0x2, 0x5, 0xfffffffe, 0x3, 0x3e, 0x0, 0x81, 0x6c, 0x9, 0xf4, 0x9, 0x7, 0x6, 0x3, 0x3f, 0x24e, 0x9, 0x4, 0x9, 0xaa, 0x1], [0x1000, 0x0, 0x4, 0x101, 0x8001, 0x10000, 0x0, 0x800, 0x3, 0x9, 0x0, 0x8, 0x1, 0x5, 0x1, 0x1, 0xffffffff, 0x5, 0x1, 0xf8000000, 0xc4, 0x1f, 0x7fffffff, 0x4, 0xcf64, 0x7, 0x3f, 0xfd2e, 0x80000001, 0x80, 0x2, 0x1, 0xf13, 0x8, 0x2, 0x0, 0x0, 0x7, 0x200, 0x200, 0x6, 0x5, 0x7, 0x8000, 0x6, 0x4, 0x8, 0x1, 0x8, 0x17, 0x4, 0x5, 0x1, 0x0, 0xffff, 0x4, 0x7, 0x8, 0x5, 0x9, 0x287, 0x250, 0x270, 0x8], [0x180000, 0xfff, 0x1, 0x4, 0x1576, 0x1, 0xad9, 0x3, 0x9, 0x1, 0x3ff, 0x6, 0x7, 0x4, 0x2, 0x7fff, 0x101, 0x8001, 0x0, 0x8001, 0x80, 0x8, 0x4, 0x8, 0x10001, 0x6, 0x2, 0x1, 0x33, 0x8bf, 0x8, 0x9, 0x4, 0x4, 0x101, 0x6, 0x8001, 0x7fffffff, 0x200, 0x3f28, 0x7f, 0x5, 0x0, 0x1, 0x1, 0x80000001, 0x0, 0x1, 0xded, 0x800, 0x8, 0xfe0, 0x5, 0x4943135f, 0x100, 0x0, 0x7, 0x5, 0x401, 0x7, 0xfffffffc, 0x3, 0x1, 0x100]}, 0x45c) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000540)={<r6=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000640)={&(0x7f0000000580)={0x98, r4, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r1}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, '/dev/ocfs2_control\x00'}]}, 0x98}}, 0x40) (async, rerun: 64)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000004c0), 0x80000, 0x0) (rerun: 64)

15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf0a03000000"], 0x14}}, 0x0)

[ 2809.774923] nbd: must specify a device to reconfigure
[ 2809.782405] nbd: must specify at least one socket
[ 2809.796413] nbd: must specify at least one socket
[ 2809.803373] nbd: must specify a device to reconfigure
[ 2809.816067] nbd: must specify a device to reconfigure
15:42:16 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
getsockopt$PNPIPE_INITSTATE(r0, 0x113, 0x4, &(0x7f0000000000), &(0x7f0000000040)=0x4)

15:42:16 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
getsockopt$PNPIPE_INITSTATE(r0, 0x113, 0x4, &(0x7f0000000000), &(0x7f0000000040)=0x4)

15:42:16 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
getsockopt$PNPIPE_INITSTATE(r0, 0x113, 0x4, &(0x7f0000000000), &(0x7f0000000040)=0x4)

15:42:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
socket$key(0xf, 0x3, 0x2)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
socket$key(0xf, 0x3, 0x2) (async)

15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf0a03000000"], 0x14}}, 0x0)

15:42:16 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'vcan0\x00', <r1=>0x0})
r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000140)=@bloom_filter={0x1e, 0x10001, 0xbde8, 0x9, 0x401, 0xffffffffffffffff, 0x3, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x1, 0x1, 0xa}, 0x48)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000001c0), 0x2080, 0x0)
pipe2$watch_queue(&(0x7f0000000200)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x11, 0x5, &(0x7f0000000000)=@raw=[@ldst={0x0, 0x0, 0x3, 0x5, 0x6, 0xfffffffffffffff8, 0x4}, @map_val={0x18, 0x1, 0x2, 0x0, r0, 0x0, 0x0, 0x0, 0xfffffffb}, @map_idx={0x18, 0x7, 0x5, 0x0, 0x9}], &(0x7f0000000040)='GPL\x00', 0xd32, 0x0, 0x0, 0x41100, 0x11, '\x00', r1, 0x0, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x6, 0x4}, 0x8, 0x10, &(0x7f0000000100)={0x3, 0xf, 0xffffffff, 0xfffffff9}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000240)=[r2, r3, r4]}, 0x80)
r5 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r5, 0x0, 0x0, 0x40006062, 0x0, 0x0)
ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000300)={<r6=>0x0})
ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000340)={r6, 0xf8d1be155575e562})

[ 2809.906531] nbd: must specify a device to reconfigure
[ 2809.915016] nbd: must specify at least one socket
[ 2809.926741] nbd: must specify a device to reconfigure
15:42:16 executing program 5:
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'vcan0\x00'}) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'vcan0\x00', <r1=>0x0})
r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000140)=@bloom_filter={0x1e, 0x10001, 0xbde8, 0x9, 0x401, 0xffffffffffffffff, 0x3, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x1, 0x1, 0xa}, 0x48)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000001c0), 0x2080, 0x0)
pipe2$watch_queue(&(0x7f0000000200)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x11, 0x5, &(0x7f0000000000)=@raw=[@ldst={0x0, 0x0, 0x3, 0x5, 0x6, 0xfffffffffffffff8, 0x4}, @map_val={0x18, 0x1, 0x2, 0x0, r0, 0x0, 0x0, 0x0, 0xfffffffb}, @map_idx={0x18, 0x7, 0x5, 0x0, 0x9}], &(0x7f0000000040)='GPL\x00', 0xd32, 0x0, 0x0, 0x41100, 0x11, '\x00', r1, 0x0, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x6, 0x4}, 0x8, 0x10, &(0x7f0000000100)={0x3, 0xf, 0xffffffff, 0xfffffff9}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000240)=[r2, r3, r4]}, 0x80)
r5 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r5, 0x0, 0x0, 0x40006062, 0x0, 0x0)
ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000300)={<r6=>0x0})
ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000340)={r6, 0xf8d1be155575e562}) (async)
ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000340)={r6, 0xf8d1be155575e562})

15:42:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)
write$uinput_user_dev(r1, &(0x7f0000000040)={'syz0\x00', {0x7, 0x1f, 0xd534, 0x3}, 0x11, [0xffffffa2, 0x5, 0x800, 0x0, 0x0, 0x7ff, 0x2, 0x1, 0xff, 0x6, 0x8, 0x80000001, 0x9, 0x7, 0x1, 0x5f, 0x7, 0x9, 0x8, 0x5, 0x2bab, 0x9, 0x7, 0x7, 0x80000, 0x7ff, 0x4, 0x6138, 0x3, 0x5, 0xff, 0x1ff, 0x7fffffff, 0x8000, 0x7, 0x8, 0x6, 0xffffffc0, 0x9, 0x30, 0xfffffffb, 0x4727, 0x3, 0x8, 0xff, 0x200, 0x4, 0x9, 0x32b35386, 0x2, 0x0, 0xff, 0x7fffffff, 0x80, 0x401, 0x9, 0x7, 0xfffffff8, 0x10000, 0x1c0, 0x3, 0xffffc000, 0x10001, 0xa529], [0x40, 0x4, 0x7, 0x5, 0x9, 0x81, 0x4, 0xffff, 0x7, 0x2, 0x1ff, 0x534d, 0x2e7, 0x20, 0xe7, 0x7, 0x3, 0x1, 0x19, 0x800, 0x4, 0xfffffff8, 0x23, 0x5, 0x2, 0x7, 0x6, 0x80000001, 0x7, 0x8, 0x100, 0x4, 0x7f, 0x2, 0x26, 0x40, 0x3ff, 0x1, 0x1ff, 0xe26, 0x2, 0xff, 0xd1f4, 0x2, 0x5, 0xfffffffe, 0x3, 0x3e, 0x0, 0x81, 0x6c, 0x9, 0xf4, 0x9, 0x7, 0x6, 0x3, 0x3f, 0x24e, 0x9, 0x4, 0x9, 0xaa, 0x1], [0x1000, 0x0, 0x4, 0x101, 0x8001, 0x10000, 0x0, 0x800, 0x3, 0x9, 0x0, 0x8, 0x1, 0x5, 0x1, 0x1, 0xffffffff, 0x5, 0x1, 0xf8000000, 0xc4, 0x1f, 0x7fffffff, 0x4, 0xcf64, 0x7, 0x3f, 0xfd2e, 0x80000001, 0x80, 0x2, 0x1, 0xf13, 0x8, 0x2, 0x0, 0x0, 0x7, 0x200, 0x200, 0x6, 0x5, 0x7, 0x8000, 0x6, 0x4, 0x8, 0x1, 0x8, 0x17, 0x4, 0x5, 0x1, 0x0, 0xffff, 0x4, 0x7, 0x8, 0x5, 0x9, 0x287, 0x250, 0x270, 0x8], [0x180000, 0xfff, 0x1, 0x4, 0x1576, 0x1, 0xad9, 0x3, 0x9, 0x1, 0x3ff, 0x6, 0x7, 0x4, 0x2, 0x7fff, 0x101, 0x8001, 0x0, 0x8001, 0x80, 0x8, 0x4, 0x8, 0x10001, 0x6, 0x2, 0x1, 0x33, 0x8bf, 0x8, 0x9, 0x4, 0x4, 0x101, 0x6, 0x8001, 0x7fffffff, 0x200, 0x3f28, 0x7f, 0x5, 0x0, 0x1, 0x1, 0x80000001, 0x0, 0x1, 0xded, 0x800, 0x8, 0xfe0, 0x5, 0x4943135f, 0x100, 0x0, 0x7, 0x5, 0x401, 0x7, 0xfffffffc, 0x3, 0x1, 0x100]}, 0x45c) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000540)={<r6=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000640)={&(0x7f0000000580)={0x98, r4, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r1}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x17, 0xa, '/dev/ocfs2_control\x00'}]}, 0x98}}, 0x40)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000004c0), 0x80000, 0x0)

15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf0a03000000"], 0x14}}, 0x0)

15:42:16 executing program 5:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'vcan0\x00', <r1=>0x0})
r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000140)=@bloom_filter={0x1e, 0x10001, 0xbde8, 0x9, 0x401, 0xffffffffffffffff, 0x3, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x1, 0x1, 0xa}, 0x48) (async)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000001c0), 0x2080, 0x0)
pipe2$watch_queue(&(0x7f0000000200)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x11, 0x5, &(0x7f0000000000)=@raw=[@ldst={0x0, 0x0, 0x3, 0x5, 0x6, 0xfffffffffffffff8, 0x4}, @map_val={0x18, 0x1, 0x2, 0x0, r0, 0x0, 0x0, 0x0, 0xfffffffb}, @map_idx={0x18, 0x7, 0x5, 0x0, 0x9}], &(0x7f0000000040)='GPL\x00', 0xd32, 0x0, 0x0, 0x41100, 0x11, '\x00', r1, 0x0, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x6, 0x4}, 0x8, 0x10, &(0x7f0000000100)={0x3, 0xf, 0xffffffff, 0xfffffff9}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000240)=[r2, r3, r4]}, 0x80) (async)
r5 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r5, 0x0, 0x0, 0x40006062, 0x0, 0x0) (async, rerun: 64)
ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000300)={<r6=>0x0}) (rerun: 64)
ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000340)={r6, 0xf8d1be155575e562})

[ 2809.994388] nbd: must specify a device to reconfigure
[ 2810.010251] nbd: must specify a device to reconfigure
15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:16 executing program 2:
read$ptp(0xffffffffffffffff, &(0x7f0000000000)=""/74, 0x4a)
r0 = socket(0x2, 0x802, 0x0)
connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x100, @any, 0x6}, 0xe)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x248240, 0x0)
bpf$ITER_CREATE(0x21, &(0x7f0000000100)={r1}, 0x8)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0)

15:42:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 2:
read$ptp(0xffffffffffffffff, &(0x7f0000000000)=""/74, 0x4a) (async, rerun: 64)
r0 = socket(0x2, 0x802, 0x0) (rerun: 64)
connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x100, @any, 0x6}, 0xe) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x248240, 0x0)
bpf$ITER_CREATE(0x21, &(0x7f0000000100)={r1}, 0x8)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0)

15:42:16 executing program 4:
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000040)={0x9, 0x2, 0x6, 0xfffffe01, 'syz1\x00', 0xa8c})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)

[ 2810.065984] nbd: must specify a device to reconfigure
[ 2810.073544] nbd: must specify at least one socket
[ 2810.088695] nbd: must specify a device to reconfigure
15:42:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 5:
prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ff5000/0x9000)=nil, 0x9000, &(0x7f0000000000)='&:\x00')
r0 = pkey_alloc(0x0, 0x1)
pkey_mprotect(&(0x7f0000ff5000/0x2000)=nil, 0x2000, 0x9, r0)
r1 = socket(0x2, 0x802, 0x0)
pkey_free(r0)
pkey_free(r0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2810.136793] nbd: must specify a device to reconfigure
[ 2810.166146] nbd: must specify a device to reconfigure
15:42:16 executing program 2:
read$ptp(0xffffffffffffffff, &(0x7f0000000000)=""/74, 0x4a) (async)
read$ptp(0xffffffffffffffff, &(0x7f0000000000)=""/74, 0x4a)
r0 = socket(0x2, 0x802, 0x0)
connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x100, @any, 0x6}, 0xe) (async)
connect$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x100, @any, 0x6}, 0xe)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x248240, 0x0)
bpf$ITER_CREATE(0x21, &(0x7f0000000100)={r1}, 0x8)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0)

15:42:16 executing program 5:
prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ff5000/0x9000)=nil, 0x9000, &(0x7f0000000000)='&:\x00')
r0 = pkey_alloc(0x0, 0x1)
pkey_mprotect(&(0x7f0000ff5000/0x2000)=nil, 0x2000, 0x9, r0)
r1 = socket(0x2, 0x802, 0x0)
pkey_free(r0)
pkey_free(r0)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53)
prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ff5000/0x9000)=nil, 0x9000, &(0x7f0000000000)='&:\x00') (async)
pkey_alloc(0x0, 0x1) (async)
pkey_mprotect(&(0x7f0000ff5000/0x2000)=nil, 0x2000, 0x9, r0) (async)
socket(0x2, 0x802, 0x0) (async)
pkey_free(r0) (async)
pkey_free(r0) (async)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)

15:42:16 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'vxcan0\x00'})
r1 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff, 0xc}, 0x10)
bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r1, 0x4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

[ 2810.185045] nbd: must specify a device to reconfigure
[ 2810.204629] nbd: must specify a device to reconfigure
15:42:16 executing program 5:
prctl$PR_SET_VMA(0x53564d41, 0x0, &(0x7f0000ff5000/0x9000)=nil, 0x9000, &(0x7f0000000000)='&:\x00') (async)
r0 = pkey_alloc(0x0, 0x1)
pkey_mprotect(&(0x7f0000ff5000/0x2000)=nil, 0x2000, 0x9, r0) (async)
r1 = socket(0x2, 0x802, 0x0)
pkey_free(r0) (async)
pkey_free(r0) (async, rerun: 64)
recvfrom$rxrpc(r1, 0x0, 0x0, 0x12060, 0x0, 0x53) (rerun: 64)

15:42:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:16 executing program 4:
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000040)={0x9, 0x2, 0x6, 0xfffffe01, 'syz1\x00', 0xa8c})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)

15:42:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2810.263115] nbd: must specify a device to reconfigure
15:42:17 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'vxcan0\x00'})
r1 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff, 0xc}, 0x10)
bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r1, 0x4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'vxcan0\x00'}) (async)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff, 0xc}, 0x10) (async)
bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r1, 0x4) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:17 executing program 5:
r0 = socket(0x9, 0x6, 0x80000000)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2810.331901] nbd: must specify a device to reconfigure
15:42:17 executing program 5:
r0 = socket(0x9, 0x6, 0x80000000)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:17 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'vxcan0\x00'})
r1 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff, 0xc}, 0x10)
bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r1, 0x4)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:17 executing program 5:
r0 = socket(0x9, 0x6, 0x80000000)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:17 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e24, 0x39000, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x7fff}}, 0x24)

15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 4:
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000040)={0x9, 0x2, 0x6, 0xfffffe01, 'syz1\x00', 0xa8c})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)

15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000480), r4)
r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, <r7=>0xffffffffffffffff}, 0x80)
r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x6a2c0, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0xa4, r3, 0x0, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x43}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x29}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x31}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0xa4}, 0x1, 0x0, 0x0, 0x5}, 0x15)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = getpgid(0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r6, 0xc1105518, &(0x7f0000000340)={{0x7, 0x6, 0x401, 0x3, '\x00', 0x1}, 0x5, 0x100, 0x8, r10, 0x2, 0xca, 'syz1\x00', &(0x7f0000000300)=['/dev/btrfs-control\x00', ']\x00'], 0x15})
sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = socket$isdn(0x22, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'})

15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2810.422251] nbd: must specify a device to reconfigure
[ 2810.427488] nbd: must specify a device to reconfigure
[ 2810.459180] nbd: must specify a device to reconfigure
15:42:17 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e24, 0x39000, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x7fff}}, 0x24)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e24, 0x39000, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x7fff}}, 0x24) (async)

15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async, rerun: 64)
r1 = socket$isdn(0x22, 0x3, 0x10) (rerun: 64)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'})

15:42:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x4008014)

15:42:17 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e24, 0x39000, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x7fff}}, 0x24)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
bind$rxrpc(r0, &(0x7f0000000000)=@in6={0x21, 0x2, 0x2, 0x1c, {0xa, 0x4e24, 0x39000, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x7fff}}, 0x24) (async)

15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2810.512965] nbd: must specify a device to reconfigure
[ 2810.518901] nbd: must specify a device to reconfigure
[ 2810.527865] nbd: must specify a device to reconfigure
[ 2810.542212] nbd: must specify at least one socket
15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async, rerun: 32)
r1 = socket$isdn(0x22, 0x3, 0x10) (rerun: 32)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'})

15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000480), r4) (async)
r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, <r7=>0xffffffffffffffff}, 0x80)
r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x6a2c0, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0xa4, r3, 0x0, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x43}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x29}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x31}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0xa4}, 0x1, 0x0, 0x0, 0x5}, 0x15) (async)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r10 = getpgid(0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r6, 0xc1105518, &(0x7f0000000340)={{0x7, 0x6, 0x401, 0x3, '\x00', 0x1}, 0x5, 0x100, 0x8, r10, 0x2, 0xca, 'syz1\x00', &(0x7f0000000300)=['/dev/btrfs-control\x00', ']\x00'], 0x15}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x4008014)

[ 2810.580294] nbd: must specify a device to reconfigure
[ 2810.586410] nbd: must specify a device to reconfigure
[ 2810.595146] nbd: must specify a device to reconfigure
15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2810.632951] nbd: must specify a device to reconfigure
15:42:17 executing program 2:
socket(0x25, 0xa, 0x4)
r0 = socket$rxrpc(0x21, 0x2, 0xa)
recvfrom$rxrpc(r0, 0x0, 0xffffffffffffff06, 0x10001, 0x0, 0x0)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x6, 0x4002], 0x2)
r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
ioctl$UI_SET_LEDBIT(r1, 0x40045569, 0xa)

15:42:17 executing program 5:
r0 = socket(0x18, 0x80000, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x442600, 0x0)
ioctl$SOUND_MIXER_READ_CAPS(r1, 0x80044dfc, &(0x7f0000000040))
ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045532, &(0x7f0000000080)=0x6)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
ioctl$UI_DEV_SETUP(r2, 0x405c5503, &(0x7f0000000100)={{0x5, 0x6, 0x4, 0x3f}, 'syz1\x00', 0x807})
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r2, 0xc1105517, &(0x7f0000000280)={{0x6, 0x4, 0x1, 0x2, '\x00', 0x8}, 0x2, 0x2, 0x9, 0x0, 0x7, 0x0, 'syz1\x00', &(0x7f0000000200)=['/dev/ocfs2_control\x00', 'syz1\x00', '\x00', '/dev/dsp\x00', '/dev/dsp\x00', '/dev/dsp\x00', '/dev/ocfs2_control\x00'], 0x47})
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$bt_BT_CHANNEL_POLICY(r3, 0x112, 0xa, &(0x7f0000000180), &(0x7f00000001c0)=0x4)

[ 2810.674941] nbd: must specify at least one socket
15:42:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x4008014)

15:42:17 executing program 2:
socket(0x25, 0xa, 0x4)
r0 = socket$rxrpc(0x21, 0x2, 0xa)
recvfrom$rxrpc(r0, 0x0, 0xffffffffffffff06, 0x10001, 0x0, 0x0)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x6, 0x4002], 0x2)
r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
ioctl$UI_SET_LEDBIT(r1, 0x40045569, 0xa)
socket(0x25, 0xa, 0x4) (async)
socket$rxrpc(0x21, 0x2, 0xa) (async)
recvfrom$rxrpc(r0, 0x0, 0xffffffffffffff06, 0x10001, 0x0, 0x0) (async)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x6, 0x4002], 0x2) (async)
openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) (async)
ioctl$UI_SET_LEDBIT(r1, 0x40045569, 0xa) (async)

15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2810.698404] nbd: must specify a device to reconfigure
[ 2810.711687] nbd: must specify a device to reconfigure
[ 2810.717121] nbd: must specify a device to reconfigure
15:42:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000480), r4)
r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, <r7=>0xffffffffffffffff}, 0x80) (async)
r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x6a2c0, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0xa4, r3, 0x0, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x43}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x29}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x31}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0xa4}, 0x1, 0x0, 0x0, 0x5}, 0x15) (async)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = getpgid(0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r6, 0xc1105518, &(0x7f0000000340)={{0x7, 0x6, 0x401, 0x3, '\x00', 0x1}, 0x5, 0x100, 0x8, r10, 0x2, 0xca, 'syz1\x00', &(0x7f0000000300)=['/dev/btrfs-control\x00', ']\x00'], 0x15}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r9, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:17 executing program 5:
r0 = socket(0x18, 0x80000, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x442600, 0x0)
ioctl$SOUND_MIXER_READ_CAPS(r1, 0x80044dfc, &(0x7f0000000040))
ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045532, &(0x7f0000000080)=0x6) (async)
ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045532, &(0x7f0000000080)=0x6)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
ioctl$UI_DEV_SETUP(r2, 0x405c5503, &(0x7f0000000100)={{0x5, 0x6, 0x4, 0x3f}, 'syz1\x00', 0x807}) (async)
ioctl$UI_DEV_SETUP(r2, 0x405c5503, &(0x7f0000000100)={{0x5, 0x6, 0x4, 0x3f}, 'syz1\x00', 0x807})
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r2, 0xc1105517, &(0x7f0000000280)={{0x6, 0x4, 0x1, 0x2, '\x00', 0x8}, 0x2, 0x2, 0x9, 0x0, 0x7, 0x0, 'syz1\x00', &(0x7f0000000200)=['/dev/ocfs2_control\x00', 'syz1\x00', '\x00', '/dev/dsp\x00', '/dev/dsp\x00', '/dev/dsp\x00', '/dev/ocfs2_control\x00'], 0x47})
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$bt_BT_CHANNEL_POLICY(r3, 0x112, 0xa, &(0x7f0000000180), &(0x7f00000001c0)=0x4) (async)
getsockopt$bt_BT_CHANNEL_POLICY(r3, 0x112, 0xa, &(0x7f0000000180), &(0x7f00000001c0)=0x4)

15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 4:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0x285)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_STOP(r6, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x8, 0x70bd2a, 0x25dfdbfe, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x22008000}, 0x4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_STOP(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80011000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x10, 0x70bd27, 0x25dfdbfd, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20004080}, 0x4080)

[ 2810.762735] nbd: must specify a device to reconfigure
15:42:17 executing program 2:
socket(0x25, 0xa, 0x4) (async)
r0 = socket$rxrpc(0x21, 0x2, 0xa)
recvfrom$rxrpc(r0, 0x0, 0xffffffffffffff06, 0x10001, 0x0, 0x0) (async)
setsockopt$RXRPC_UPGRADEABLE_SERVICE(0xffffffffffffffff, 0x110, 0x5, &(0x7f0000000000)=[0x6, 0x4002], 0x2)
r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
ioctl$UI_SET_LEDBIT(r1, 0x40045569, 0xa)

15:42:17 executing program 5:
r0 = socket(0x18, 0x80000, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x442600, 0x0)
ioctl$SOUND_MIXER_READ_CAPS(r1, 0x80044dfc, &(0x7f0000000040))
ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045532, &(0x7f0000000080)=0x6) (async)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x80)
ioctl$UI_DEV_SETUP(r2, 0x405c5503, &(0x7f0000000100)={{0x5, 0x6, 0x4, 0x3f}, 'syz1\x00', 0x807})
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r2, 0xc1105517, &(0x7f0000000280)={{0x6, 0x4, 0x1, 0x2, '\x00', 0x8}, 0x2, 0x2, 0x9, 0x0, 0x7, 0x0, 'syz1\x00', &(0x7f0000000200)=['/dev/ocfs2_control\x00', 'syz1\x00', '\x00', '/dev/dsp\x00', '/dev/dsp\x00', '/dev/dsp\x00', '/dev/ocfs2_control\x00'], 0x47}) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
getsockopt$bt_BT_CHANNEL_POLICY(r3, 0x112, 0xa, &(0x7f0000000180), &(0x7f00000001c0)=0x4)

15:42:17 executing program 4:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0x285)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4) (async)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_STOP(r6, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x8, 0x70bd2a, 0x25dfdbfe, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x22008000}, 0x4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_STOP(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80011000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x10, 0x70bd27, 0x25dfdbfd, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20004080}, 0x4080)

15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2810.876496] nbd: must specify a device to reconfigure
[ 2810.893506] nbd: must specify a device to reconfigure
[ 2810.913052] nbd: must specify at least one socket
[ 2810.919328] nbd: must specify a device to reconfigure
15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)
r2 = socket(0x25, 0x800, 0x6)
ioctl$SIOCPNENABLEPIPE(r2, 0x89ed, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000040)={0x2, 0x1, 0x4, 0x400, 'syz0\x00', 0x7b04d691})

15:42:17 executing program 2:
socket(0x2, 0x802, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x5, 0x0, 0x0, 0xfda9)

[ 2810.946996] nbd: must specify a device to reconfigure
15:42:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="141a0000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0)
r2 = socket(0x25, 0x800, 0x6)
ioctl$SIOCPNENABLEPIPE(r2, 0x89ed, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000040)={0x2, 0x1, 0x4, 0x400, 'syz0\x00', 0x7b04d691})
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0) (async)
socket(0x25, 0x800, 0x6) (async)
ioctl$SIOCPNENABLEPIPE(r2, 0x89ed, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000040)={0x2, 0x1, 0x4, 0x400, 'syz0\x00', 0x7b04d691}) (async)

15:42:17 executing program 4:
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0x285) (async)
ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0x285)
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$nbd(&(0x7f0000000880), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_STOP(r6, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x8, 0x70bd2a, 0x25dfdbfe, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x22008000}, 0x4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_STOP(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80011000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x10, 0x70bd27, 0x25dfdbfd, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20004080}, 0x4080)

15:42:17 executing program 2:
socket(0x2, 0x802, 0x0) (async)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
recvfrom$rxrpc(r1, 0x0, 0x5, 0x0, 0x0, 0xfda9)

15:42:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="141a0000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="141a0000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0) (async)

15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2810.978378] nbd: must specify a device to reconfigure
[ 2810.994448] nbd: must specify a device to reconfigure
[ 2811.003195] nbd: must specify a device to reconfigure
[ 2811.016175] nbd: must specify a device to reconfigure
15:42:17 executing program 2:
socket(0x2, 0x802, 0x0)
r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r0, 0x5016, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
recvfrom$rxrpc(r1, 0x0, 0x5, 0x0, 0x0, 0xfda9)

[ 2811.063302] nbd: must specify a device to reconfigure
15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x10000, 0x0) (async)
r2 = socket(0x25, 0x800, 0x6)
ioctl$SIOCPNENABLEPIPE(r2, 0x89ed, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000040)={0x2, 0x1, 0x4, 0x400, 'syz0\x00', 0x7b04d691})

[ 2811.096291] nbd: must specify a device to reconfigure
15:42:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
setsockopt$RXRPC_MIN_SECURITY_LEVEL(r2, 0x110, 0x4, &(0x7f0000000000)=0x2, 0x4)
ioctl$UI_GET_SYSNAME(r2, 0x8040552c, &(0x7f0000000040))
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
ioctl$SIOCPNENABLEPIPE(r4, 0x89ed, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:17 executing program 2:
r0 = socket(0x27, 0x802, 0x7)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="141a0000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2811.117068] nbd: must specify a device to reconfigure
15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000100), 0x425501, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
sendto$rxrpc(r1, &(0x7f0000000000)="9379653ce184d1d1352537afea9988ef745cbffea145186f72e20a93a23a254c80d323a5fc9a6caced2683c4a9e0c4572773d528d2b2e5c71ab2af1aa7205671df057c4c367b5c202560df697b6cae8675b8e067618ed015aa00ed5e2bcd7090403fc67b6ff75204476c2c4ac85760fb69165a4202c19c8ac295b0bdc285c7a5e728b446bc64264209f35b12dcd68feadd6dcc1f3e6c46c61cc371f98854f38f2023d1e162e8357335e09d5ef5c32a32dac59007c1b70f6b7bf8ccbe98b7ceaf3ad13547f7cc5c61f19737c5a04607a563fff17b792d71f7f6", 0xd9, 0x8000, 0x0, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2811.154527] nbd: must specify a device to reconfigure
15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
setsockopt$RXRPC_MIN_SECURITY_LEVEL(r2, 0x110, 0x4, &(0x7f0000000000)=0x2, 0x4) (async)
ioctl$UI_GET_SYSNAME(r2, 0x8040552c, &(0x7f0000000040)) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
ioctl$SIOCPNENABLEPIPE(r4, 0x89ed, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:17 executing program 2:
r0 = socket(0x27, 0x802, 0x7)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x27, 0x802, 0x7) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000100), 0x425501, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
sendto$rxrpc(r1, &(0x7f0000000000)="9379653ce184d1d1352537afea9988ef745cbffea145186f72e20a93a23a254c80d323a5fc9a6caced2683c4a9e0c4572773d528d2b2e5c71ab2af1aa7205671df057c4c367b5c202560df697b6cae8675b8e067618ed015aa00ed5e2bcd7090403fc67b6ff75204476c2c4ac85760fb69165a4202c19c8ac295b0bdc285c7a5e728b446bc64264209f35b12dcd68feadd6dcc1f3e6c46c61cc371f98854f38f2023d1e162e8357335e09d5ef5c32a32dac59007c1b70f6b7bf8ccbe98b7ceaf3ad13547f7cc5c61f19737c5a04607a563fff17b792d71f7f6", 0xd9, 0x8000, 0x0, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2811.180542] nbd: must specify a device to reconfigure
[ 2811.195789] nbd: must specify a device to reconfigure
15:42:17 executing program 2:
r0 = socket(0x27, 0x802, 0x7)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:17 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
r2 = getpgid(0x0)
syz_open_procfs$namespace(r2, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r1, 0xc1105511, &(0x7f0000000080)={{0x1, 0x5, 0x88, 0xe1, 'syz0\x00', 0x5}, 0x6, 0x30, 0x7, r2, 0x5, 0x1, 'syz0\x00', &(0x7f0000000040)=['-\x00', '$\x00', '\x00', '\'#-]\x00', '-:*)\xee\x00'], 0x10})

15:42:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$UI_SET_KEYBIT(0xffffffffffffffff, 0x40045565, 0x2a3)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '$$:+'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x4000000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[@ANYBLOB="1400000089686314020008a8f03ce7588902d5f865d6f22ddb8b7cfb41b1897046ebde76e47a7197ab0e5b87cc8060785f55fc0d3a03645e1168101f16eb9e0bf6d9b6c6", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2811.247334] nbd: must specify a device to reconfigure
[ 2811.254281] nbd: must specify a device to reconfigure
15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
setsockopt$RXRPC_MIN_SECURITY_LEVEL(r2, 0x110, 0x4, &(0x7f0000000000)=0x2, 0x4)
ioctl$UI_GET_SYSNAME(r2, 0x8040552c, &(0x7f0000000040)) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
ioctl$SIOCPNENABLEPIPE(r4, 0x89ed, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:18 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
openat$dsp(0xffffffffffffff9c, &(0x7f0000000100), 0x425501, 0x0) (async)
r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000100), 0x425501, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
sendto$rxrpc(r1, &(0x7f0000000000)="9379653ce184d1d1352537afea9988ef745cbffea145186f72e20a93a23a254c80d323a5fc9a6caced2683c4a9e0c4572773d528d2b2e5c71ab2af1aa7205671df057c4c367b5c202560df697b6cae8675b8e067618ed015aa00ed5e2bcd7090403fc67b6ff75204476c2c4ac85760fb69165a4202c19c8ac295b0bdc285c7a5e728b446bc64264209f35b12dcd68feadd6dcc1f3e6c46c61cc371f98854f38f2023d1e162e8357335e09d5ef5c32a32dac59007c1b70f6b7bf8ccbe98b7ceaf3ad13547f7cc5c61f19737c5a04607a563fff17b792d71f7f6", 0xd9, 0x8000, 0x0, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
r2 = getpgid(0x0)
syz_open_procfs$namespace(r2, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r1, 0xc1105511, &(0x7f0000000080)={{0x1, 0x5, 0x88, 0xe1, 'syz0\x00', 0x5}, 0x6, 0x30, 0x7, r2, 0x5, 0x1, 'syz0\x00', &(0x7f0000000040)=['-\x00', '$\x00', '\x00', '\'#-]\x00', '-:*)\xee\x00'], 0x10})

15:42:18 executing program 5:
r0 = socket(0x2, 0x4, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2811.304394] nbd: must specify a device to reconfigure
[ 2811.311884] nbd: must specify a device to reconfigure
[ 2811.335561] nbd: must specify a device to reconfigure
15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="08002dbd7000fddbdf25020000000c0008003f000000000000000c000200f7ffffffffffffff0c000300bc0800000000000008000118000000000c000400ffffff7f0000000008000a002d2a2afe0c00020000000000000000000c00"/102], 0x6c}}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x4}, 0x14}}, 0x0)

15:42:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$UI_SET_KEYBIT(0xffffffffffffffff, 0x40045565, 0x2a3) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '$$:+'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x4000000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[@ANYBLOB="1400000089686314020008a8f03ce7588902d5f865d6f22ddb8b7cfb41b1897046ebde76e47a7197ab0e5b87cc8060785f55fc0d3a03645e1168101f16eb9e0bf6d9b6c6", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2811.373722] nbd: must specify at least one socket
[ 2811.407715] nbd: must specify a device to reconfigure
15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8)
r2 = getpgid(0x0)
syz_open_procfs$namespace(r2, 0x0) (async)
syz_open_procfs$namespace(r2, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r1, 0xc1105511, &(0x7f0000000080)={{0x1, 0x5, 0x88, 0xe1, 'syz0\x00', 0x5}, 0x6, 0x30, 0x7, r2, 0x5, 0x1, 'syz0\x00', &(0x7f0000000040)=['-\x00', '$\x00', '\x00', '\'#-]\x00', '-:*)\xee\x00'], 0x10})

15:42:18 executing program 5:
r0 = socket(0x2, 0x4, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2811.421032] nbd: must specify a device to reconfigure
15:42:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$UI_SET_KEYBIT(0xffffffffffffffff, 0x40045565, 0x2a3) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 32)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '$$:+'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x4000000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[@ANYBLOB="1400000089686314020008a8f03ce7588902d5f865d6f22ddb8b7cfb41b1897046ebde76e47a7197ab0e5b87cc8060785f55fc0d3a03645e1168101f16eb9e0bf6d9b6c6", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2811.472200] nbd: must specify at least one socket
15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="08002dbd7000fddbdf25020000000c0008003f000000000000000c000200f7ffffffffffffff0c000300bc0800000000000008000118000000000c000400ffffff7f0000000008000a002d2a2afe0c00020000000000000000000c00"/102], 0x6c}}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x4}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x4}, 0x14}}, 0x0)

[ 2811.497499] nbd: must specify a device to reconfigure
15:42:18 executing program 2:
socket(0x2, 0x802, 0x0)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x80)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
getsockopt$PNPIPE_HANDLE(r1, 0x113, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4)
recvfrom$rxrpc(r0, 0x0, 0x25, 0x2000, 0x0, 0x53)

15:42:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2811.520866] nbd: must specify a device to reconfigure
15:42:18 executing program 5:
r0 = socket(0x2, 0x4, 0x3)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

15:42:18 executing program 2:
socket(0x2, 0x802, 0x0) (async)
socket(0x2, 0x802, 0x0)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x80)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
getsockopt$PNPIPE_HANDLE(r1, 0x113, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4)
recvfrom$rxrpc(r0, 0x0, 0x25, 0x2000, 0x0, 0x53)

15:42:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='l\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="08002dbd7000fddbdf25020000000c0008003f000000000000000c000200f7ffffffffffffff0c000300bc0800000000000008000118000000000c000400ffffff7f0000000008000a002d2a2afe0c00020000000000000000000c00"/102], 0x6c}}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x4}, 0x14}}, 0x0)

[ 2811.626654] nbd: must specify at least one socket
[ 2811.640547] nbd: must specify a device to reconfigure
15:42:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x7b7080b1e6955b20, 0x70bd29, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x40045}, 0x10)

15:42:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 2:
socket(0x2, 0x802, 0x0) (async)
pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x80) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
getsockopt$PNPIPE_HANDLE(r1, 0x113, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4)
recvfrom$rxrpc(r0, 0x0, 0x25, 0x2000, 0x0, 0x53)

15:42:18 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
ioctl$UI_SET_EVBIT(0xffffffffffffffff, 0x40045564, 0xa)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x300, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ',\xc6}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '/+\\!'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20004000}, 0x20000081)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)

[ 2811.672731] nbd: must specify a device to reconfigure
15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x20, 0x0, 0x0)

15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x20, 0x0, 0x0)

15:42:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2811.767631] nbd: must specify at least one socket
15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x20, 0x0, 0x0)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x20, 0x0, 0x0) (async)

15:42:18 executing program 5:
r0 = socket(0x2, 0x802, 0x0) (async, rerun: 64)
ioctl$UI_SET_EVBIT(0xffffffffffffffff, 0x40045564, 0xa) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x300, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ',\xc6}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '/+\\!'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20004000}, 0x20000081) (async, rerun: 32)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (rerun: 32)

15:42:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x2, 0x25dfdbff}, 0x14}}, 0x4000000)

15:42:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0) (async)
sendmsg$NET_DM_CMD_START(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x7b7080b1e6955b20, 0x70bd29, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x40045}, 0x10)

15:42:18 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
ioctl$UI_SET_EVBIT(0xffffffffffffffff, 0x40045564, 0xa)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x300, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ',\xc6}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '/+\\!'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20004000}, 0x20000081)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
ioctl$UI_SET_EVBIT(0xffffffffffffffff, 0x40045564, 0xa) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x300, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ',\xc6}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '/+\\!'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20004000}, 0x20000081) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)

[ 2811.787957] nbd: must specify at least one socket
[ 2811.800303] nbd: must specify a device to reconfigure
[ 2811.809837] nbd: must specify a device to reconfigure
[ 2811.816856] nbd: must specify a device to reconfigure
15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
sendto$isdn(r0, &(0x7f0000000040)={0x4a, 0x1, "abed6aa297cf7d56dde647499047ed46b9485ea08a54a28434781044bd2174eb1b1e092c0acf3fecb3a0027c03bd41092255a8d10ec214bdc326ff6cea507110934eab93923c6cd5c293769b0300218822458fa252abed181c257a6aebd39ddf6b7e94650551cf5a15470ec6126385"}, 0x77, 0x20004001, &(0x7f00000000c0)={0x22, 0x3f, 0x7f, 0x7f, 0x4}, 0x6)
ioctl$SOUND_MIXER_READ_DEVMASK(0xffffffffffffffff, 0x80044dfe, &(0x7f0000000000))
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)

15:42:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2811.880300] nbd: must specify a device to reconfigure
15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
sendto$isdn(r0, &(0x7f0000000040)={0x4a, 0x1, "abed6aa297cf7d56dde647499047ed46b9485ea08a54a28434781044bd2174eb1b1e092c0acf3fecb3a0027c03bd41092255a8d10ec214bdc326ff6cea507110934eab93923c6cd5c293769b0300218822458fa252abed181c257a6aebd39ddf6b7e94650551cf5a15470ec6126385"}, 0x77, 0x20004001, &(0x7f00000000c0)={0x22, 0x3f, 0x7f, 0x7f, 0x4}, 0x6)
ioctl$SOUND_MIXER_READ_DEVMASK(0xffffffffffffffff, 0x80044dfe, &(0x7f0000000000))
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
sendto$isdn(r0, &(0x7f0000000040)={0x4a, 0x1, "abed6aa297cf7d56dde647499047ed46b9485ea08a54a28434781044bd2174eb1b1e092c0acf3fecb3a0027c03bd41092255a8d10ec214bdc326ff6cea507110934eab93923c6cd5c293769b0300218822458fa252abed181c257a6aebd39ddf6b7e94650551cf5a15470ec6126385"}, 0x77, 0x20004001, &(0x7f00000000c0)={0x22, 0x3f, 0x7f, 0x7f, 0x4}, 0x6) (async)
ioctl$SOUND_MIXER_READ_DEVMASK(0xffffffffffffffff, 0x80044dfe, &(0x7f0000000000)) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x2, 0x25dfdbff}, 0x14}}, 0x4000000)

15:42:18 executing program 2:
r0 = socket(0x2, 0x802, 0x0)
sendto$isdn(r0, &(0x7f0000000040)={0x4a, 0x1, "abed6aa297cf7d56dde647499047ed46b9485ea08a54a28434781044bd2174eb1b1e092c0acf3fecb3a0027c03bd41092255a8d10ec214bdc326ff6cea507110934eab93923c6cd5c293769b0300218822458fa252abed181c257a6aebd39ddf6b7e94650551cf5a15470ec6126385"}, 0x77, 0x20004001, &(0x7f00000000c0)={0x22, 0x3f, 0x7f, 0x7f, 0x4}, 0x6)
ioctl$SOUND_MIXER_READ_DEVMASK(0xffffffffffffffff, 0x80044dfe, &(0x7f0000000000))
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53)
socket(0x2, 0x802, 0x0) (async)
sendto$isdn(r0, &(0x7f0000000040)={0x4a, 0x1, "abed6aa297cf7d56dde647499047ed46b9485ea08a54a28434781044bd2174eb1b1e092c0acf3fecb3a0027c03bd41092255a8d10ec214bdc326ff6cea507110934eab93923c6cd5c293769b0300218822458fa252abed181c257a6aebd39ddf6b7e94650551cf5a15470ec6126385"}, 0x77, 0x20004001, &(0x7f00000000c0)={0x22, 0x3f, 0x7f, 0x7f, 0x4}, 0x6) (async)
ioctl$SOUND_MIXER_READ_DEVMASK(0xffffffffffffffff, 0x80044dfe, &(0x7f0000000000)) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x0, 0x0, 0x53) (async)

[ 2811.914683] nbd: must specify a device to reconfigure
15:42:18 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = socket(0x12, 0x800, 0x0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4c0b81, 0x0)
setsockopt$bt_l2cap_L2CAP_LM(r2, 0x6, 0x3, &(0x7f0000000040), 0x4)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000000)='\x00', 0x1)

15:42:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_START(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r5, 0x7b7080b1e6955b20, 0x70bd29, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x40045}, 0x10)

15:42:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x2, 0x25dfdbff}, 0x14}}, 0x4000000)

[ 2812.044534] nbd: must specify a device to reconfigure
15:42:18 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
r1 = socket(0x12, 0x800, 0x0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async, rerun: 32)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4c0b81, 0x0) (rerun: 32)
setsockopt$bt_l2cap_L2CAP_LM(r2, 0x6, 0x3, &(0x7f0000000040), 0x4)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000000)='\x00', 0x1)

15:42:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000000000ecd6cc11000000"], 0x14}}, 0x0)

15:42:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=ANY=[@ANYRESDEC=r1, @ANYRES16=r1, @ANYBLOB="bf07008b0e35c88938571800000087037403112ad82c05e9d95720bc10babc5601faef8887a387f7025f27ee29e15991bf975bf220e70e21c3dd34b70e364b07404409cbd0ae23ae658c72a2581fc30eb665f0fabc93aec189f1e2d0df774436f97eb030757aa2a509c118d52b5c069f0df9dbbda77b3668461c8c", @ANYRES16=r1, @ANYRESOCT=r1, @ANYBLOB="10bf89283787ac89bb9f9e403a7dd0a19c5e2400222f3964aba896b15accef38b414b46119143c90b704a87b025d3cfb321c0d6a307fe98e3c0fabc98c36d616512ecb4a26adc9d47b417294514072302dc2f7f078a14a29d6a61f4db24c27791fd54cf18c7bd5d8fb4bb5abfeeb683c72d3661dd7b679709d12380360a6ddb8aed6613ecf397ccb37d09975e5015114202b6c74438608e29119feeb5db7e81b95d2f76f392a03437a70874a118e8a17405fd0d415128c6154e8c456046208cfb6751c836a6f9bc74ab5277bb386c7da6f96dd767f95b4a597cde1ce53a0126b0a03044c2767b186"], 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x200101, 0x0)
ioctl$UI_SET_PROPBIT(r3, 0x4004556e, 0xc)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r1, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4008050}, 0x20040090)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000100)={0x4, 0x6, 0x1, 0x4, 'syz0\x00', 0x1})
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x22}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0xffffffffffffff42, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0xe}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x7f}, 0x1, 0x0, 0x0, 0x20000040}, 0x4020000)

[ 2812.136110] nbd: must specify a device to reconfigure
[ 2812.144713] nbd: must specify a device to reconfigure
15:42:18 executing program 5:
r0 = socket(0x2, 0x802, 0x0)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53)
r1 = socket(0x12, 0x800, 0x0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4c0b81, 0x0)
setsockopt$bt_l2cap_L2CAP_LM(r2, 0x6, 0x3, &(0x7f0000000040), 0x4)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000000)='\x00', 0x1)
socket(0x2, 0x802, 0x0) (async)
recvfrom$rxrpc(r0, 0x0, 0x0, 0x12060, 0x0, 0x53) (async)
socket(0x12, 0x800, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4c0b81, 0x0) (async)
setsockopt$bt_l2cap_L2CAP_LM(r2, 0x6, 0x3, &(0x7f0000000040), 0x4) (async)
setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000000)='\x00', 0x1) (async)

15:42:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000000000ecd6cc11000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000000000ecd6cc11000000"], 0x14}}, 0x0) (async)

15:42:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=ANY=[@ANYRESDEC=r1, @ANYRES16=r1, @ANYBLOB="bf07008b0e35c88938571800000087037403112ad82c05e9d95720bc10babc5601faef8887a387f7025f27ee29e15991bf975bf220e70e21c3dd34b70e364b07404409cbd0ae23ae658c72a2581fc30eb665f0fabc93aec189f1e2d0df774436f97eb030757aa2a509c118d52b5c069f0df9dbbda77b3668461c8c", @ANYRES16=r1, @ANYRESOCT=r1, @ANYBLOB="10bf89283787ac89bb9f9e403a7dd0a19c5e2400222f3964aba896b15accef38b414b46119143c90b704a87b025d3cfb321c0d6a307fe98e3c0fabc98c36d616512ecb4a26adc9d47b417294514072302dc2f7f078a14a29d6a61f4db24c27791fd54cf18c7bd5d8fb4bb5abfeeb683c72d3661dd7b679709d12380360a6ddb8aed6613ecf397ccb37d09975e5015114202b6c74438608e29119feeb5db7e81b95d2f76f392a03437a70874a118e8a17405fd0d415128c6154e8c456046208cfb6751c836a6f9bc74ab5277bb386c7da6f96dd767f95b4a597cde1ce53a0126b0a03044c2767b186"], 0x14}}, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x200101, 0x0)
ioctl$UI_SET_PROPBIT(r3, 0x4004556e, 0xc) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r1, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4008050}, 0x20040090)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000100)={0x4, 0x6, 0x1, 0x4, 'syz0\x00', 0x1}) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x22}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0xffffffffffffff42, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0xe}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x7f}, 0x1, 0x0, 0x0, 0x20000040}, 0x4020000)

[ 2812.225422] nbd: must specify a device to reconfigure
[ 2812.239675] nbd: must specify a device to reconfigure
15:42:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=ANY=[@ANYRESDEC=r1, @ANYRES16=r1, @ANYBLOB="bf07008b0e35c88938571800000087037403112ad82c05e9d95720bc10babc5601faef8887a387f7025f27ee29e15991bf975bf220e70e21c3dd34b70e364b07404409cbd0ae23ae658c72a2581fc30eb665f0fabc93aec189f1e2d0df774436f97eb030757aa2a509c118d52b5c069f0df9dbbda77b3668461c8c", @ANYRES16=r1, @ANYRESOCT=r1, @ANYBLOB="10bf89283787ac89bb9f9e403a7dd0a19c5e2400222f3964aba896b15accef38b414b46119143c90b704a87b025d3cfb321c0d6a307fe98e3c0fabc98c36d616512ecb4a26adc9d47b417294514072302dc2f7f078a14a29d6a61f4db24c27791fd54cf18c7bd5d8fb4bb5abfeeb683c72d3661dd7b679709d12380360a6ddb8aed6613ecf397ccb37d09975e5015114202b6c74438608e29119feeb5db7e81b95d2f76f392a03437a70874a118e8a17405fd0d415128c6154e8c456046208cfb6751c836a6f9bc74ab5277bb386c7da6f96dd767f95b4a597cde1ce53a0126b0a03044c2767b186"], 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x200101, 0x0)
ioctl$UI_SET_PROPBIT(r3, 0x4004556e, 0xc)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r1, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4008050}, 0x20040090)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000100)={0x4, 0x6, 0x1, 0x4, 'syz0\x00', 0x1})
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x22}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0xffffffffffffff42, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0xe}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x7f}, 0x1, 0x0, 0x0, 0x20000040}, 0x4020000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=ANY=[@ANYRESDEC=r1, @ANYRES16=r1, @ANYBLOB="bf07008b0e35c88938571800000087037403112ad82c05e9d95720bc10babc5601faef8887a387f7025f27ee29e15991bf975bf220e70e21c3dd34b70e364b07404409cbd0ae23ae658c72a2581fc30eb665f0fabc93aec189f1e2d0df774436f97eb030757aa2a509c118d52b5c069f0df9dbbda77b3668461c8c", @ANYRES16=r1, @ANYRESOCT=r1, @ANYBLOB="10bf89283787ac89bb9f9e403a7dd0a19c5e2400222f3964aba896b15accef38b414b46119143c90b704a87b025d3cfb321c0d6a307fe98e3c0fabc98c36d616512ecb4a26adc9d47b417294514072302dc2f7f078a14a29d6a61f4db24c27791fd54cf18c7bd5d8fb4bb5abfeeb683c72d3661dd7b679709d12380360a6ddb8aed6613ecf397ccb37d09975e5015114202b6c74438608e29119feeb5db7e81b95d2f76f392a03437a70874a118e8a17405fd0d415128c6154e8c456046208cfb6751c836a6f9bc74ab5277bb386c7da6f96dd767f95b4a597cde1ce53a0126b0a03044c2767b186"], 0x14}}, 0x0) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x200101, 0x0) (async)
ioctl$UI_SET_PROPBIT(r3, 0x4004556e, 0xc) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r1, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4008050}, 0x20040090) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000100)={0x4, 0x6, 0x1, 0x4, 'syz0\x00', 0x1}) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x22}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0xffffffffffffff42, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0xe}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x7f}, 0x1, 0x0, 0x0, 0x20000040}, 0x4020000) (async)

15:42:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000000000000ecd6cc11000000"], 0x14}}, 0x0)

[ 2812.379657] nbd: must specify a device to reconfigure
[ 2812.385682] nbd: must specify a device to reconfigure
15:42:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2812.460059] nbd: must specify a device to reconfigure
15:42:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x8, 0x70bd25, 0x25dfdbfb, {}, ["", "", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20008000}, 0x4008000)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000004c0)={0x18, 0x2, &(0x7f0000000380)=@raw=[@map_idx={0x18, 0x6, 0x5, 0x0, 0x6}], &(0x7f00000003c0)='syzkaller\x00', 0x4, 0x1000, &(0x7f00000008c0)=""/4096, 0x41100, 0x19, '\x00', 0x0, 0x0, r5, 0x8, &(0x7f0000000400)={0x2, 0x1}, 0x8, 0x10, &(0x7f0000000440)={0x0, 0x0, 0x6, 0x2}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000480)=[r6, r4, r4, r4]}, 0x80)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r7)
syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r9, 0x5016, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r3, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xada0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4}, 0x4000040)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2812.480647] nbd: must specify a device to reconfigure
15:42:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$bt_cmtp(0x1f, 0x3, 0x5)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_BT_SNDMTU(r1, 0x112, 0xc, &(0x7f0000000000), 0x2)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$bt_cmtp(0x1f, 0x3, 0x5)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_BT_SNDMTU(r1, 0x112, 0xc, &(0x7f0000000000), 0x2)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket$bt_cmtp(0x1f, 0x3, 0x5) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0) (async)
setsockopt$bt_BT_SNDMTU(r1, 0x112, 0xc, &(0x7f0000000000), 0x2) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)

15:42:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x8, 0x70bd25, 0x25dfdbfb, {}, ["", "", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20008000}, 0x4008000) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000004c0)={0x18, 0x2, &(0x7f0000000380)=@raw=[@map_idx={0x18, 0x6, 0x5, 0x0, 0x6}], &(0x7f00000003c0)='syzkaller\x00', 0x4, 0x1000, &(0x7f00000008c0)=""/4096, 0x41100, 0x19, '\x00', 0x0, 0x0, r5, 0x8, &(0x7f0000000400)={0x2, 0x1}, 0x8, 0x10, &(0x7f0000000440)={0x0, 0x0, 0x6, 0x2}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000480)=[r6, r4, r4, r4]}, 0x80) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r7) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0) (async)
r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r9, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r3, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xada0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4}, 0x4000040) (async)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2812.650203] nbd: must specify a device to reconfigure
[ 2812.679510] nbd: must specify a device to reconfigure
[ 2812.689757] nbd: must specify a device to reconfigure
[ 2812.705056] nbd: must specify a device to reconfigure
15:42:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x8, 0x70bd25, 0x25dfdbfb, {}, ["", "", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20008000}, 0x4008000)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000004c0)={0x18, 0x2, &(0x7f0000000380)=@raw=[@map_idx={0x18, 0x6, 0x5, 0x0, 0x6}], &(0x7f00000003c0)='syzkaller\x00', 0x4, 0x1000, &(0x7f00000008c0)=""/4096, 0x41100, 0x19, '\x00', 0x0, 0x0, r5, 0x8, &(0x7f0000000400)={0x2, 0x1}, 0x8, 0x10, &(0x7f0000000440)={0x0, 0x0, 0x6, 0x2}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000480)=[r6, r4, r4, r4]}, 0x80) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r7) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r7)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0) (async, rerun: 32)
r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (rerun: 32)
ioctl$SNDCTL_DSP_SETDUPLEX(r9, 0x5016, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r3, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xada0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4}, 0x4000040) (async, rerun: 32)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$bt_cmtp(0x1f, 0x3, 0x5) (async)
r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r1, 0x5016, 0x0)
setsockopt$bt_BT_SNDMTU(r1, 0x112, 0xc, &(0x7f0000000000), 0x2) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2812.822486] nbd: must specify a device to reconfigure
[ 2812.841989] nbd: must specify a device to reconfigure
[ 2812.847446] nbd: must specify a device to reconfigure
15:42:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2812.931784] nla_parse: 87 callbacks suppressed
[ 2812.931826] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2812.953087] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
15:42:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SOUND_MIXER_INFO(0xffffffffffffffff, 0x805c4d65, &(0x7f0000000040))
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:19 executing program 4:
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000000)='ns/time_for_children\x00')
ioctl$SOUND_MIXER_READ_CAPS(0xffffffffffffffff, 0x80044dfc, &(0x7f0000000080))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2813.049311] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2813.057931] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2813.134867] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
[ 2813.144641] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
15:42:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:19 executing program 4:
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000000)='ns/time_for_children\x00')
ioctl$SOUND_MIXER_READ_CAPS(0xffffffffffffffff, 0x80044dfc, &(0x7f0000000080)) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2813.187784] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2813.210037] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SOUND_MIXER_INFO(0xffffffffffffffff, 0x805c4d65, &(0x7f0000000040)) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r2) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2813.272610] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2813.294699] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2813.340665] nbd: must specify a device to reconfigure
15:42:20 executing program 4:
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000000)='ns/time_for_children\x00')
ioctl$SOUND_MIXER_READ_CAPS(0xffffffffffffffff, 0x80044dfc, &(0x7f0000000080)) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SOUND_MIXER_INFO(0xffffffffffffffff, 0x805c4d65, &(0x7f0000000040))
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$SOUND_MIXER_INFO(0xffffffffffffffff, 0x805c4d65, &(0x7f0000000040)) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r2) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)

15:42:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000054ad367c1c49d17d1ae59eceaba41a350213000000000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008000}, 0x4000000)
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$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000180), 0x8)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x8c, r5, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4004810}, 0x24040084)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

[ 2813.509641] nbd: must specify a device to reconfigure
[ 2813.522830] nbd: must specify a device to reconfigure
15:42:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000054ad367c1c49d17d1ae59eceaba41a350213000000000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008000}, 0x4000000) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000180), 0x8) (async)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x8c, r5, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4004810}, 0x24040084) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2813.650430] nbd: must specify a device to reconfigure
[ 2813.659183] nbd: must specify a device to reconfigure
[ 2813.669712] nbd: must specify at least one socket
[ 2813.675200] nbd: must specify a device to reconfigure
[ 2813.715542] nbd: must specify a device to reconfigure
15:42:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x60a0000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, r5, 0xb00, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x48040}, 0x54850)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}]}, 0x20}, 0x1, 0x0, 0x0, 0x240080c0}, 0x40015)

15:42:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2813.839487] nbd: must specify a device to reconfigure
[ 2813.856853] nbd: must specify a device to reconfigure
15:42:20 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000054ad367c1c49d17d1ae59eceaba41a350213000000000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
sendmsg$NET_DM_CMD_STOP(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008000}, 0x4000000) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000180), 0x8) (async)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x8c, r5, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4004810}, 0x24040084) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2813.881719] nbd: must specify a device to reconfigure
[ 2813.894472] nbd: must specify a device to reconfigure
15:42:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x60a0000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, r5, 0xb00, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x48040}, 0x54850) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}]}, 0x20}, 0x1, 0x0, 0x0, 0x240080c0}, 0x40015)

[ 2814.019811] nbd: must specify at least one socket
[ 2814.031233] nbd: must specify a device to reconfigure
15:42:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x80, 0x0)
r5 = socket(0xb, 0xa, 0xa82)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, r1, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xabe9}]}, 0x84}, 0x1, 0x0, 0x0, 0x11}, 0x4002000)
ioctl$SOUND_OLD_MIXER_INFO(r2, 0x80304d65, &(0x7f0000000240))
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r6, 0x1}, 0x14}}, 0x0)

[ 2814.091060] nbd: must specify at least one socket
[ 2814.109926] nbd: must specify a device to reconfigure
15:42:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2814.211560] nbd: must specify a device to reconfigure
15:42:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x60a0000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, r5, 0xb00, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}]}, 0x20}, 0x1, 0x0, 0x0, 0x48040}, 0x54850) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}]}, 0x20}, 0x1, 0x0, 0x0, 0x240080c0}, 0x40015)

[ 2814.274441] nbd: must specify a device to reconfigure
15:42:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x80, 0x0) (async)
r5 = socket(0xb, 0xa, 0xa82)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, r1, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xabe9}]}, 0x84}, 0x1, 0x0, 0x0, 0x11}, 0x4002000) (async)
ioctl$SOUND_OLD_MIXER_INFO(r2, 0x80304d65, &(0x7f0000000240)) (async)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r6, 0x1}, 0x14}}, 0x0)

15:42:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2814.343432] nbd: must specify a device to reconfigure
15:42:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000040}, 0x804)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14001085", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2814.374920] nbd: must specify a device to reconfigure
[ 2814.387124] nbd: must specify a device to reconfigure
15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x80, 0x0) (async)
r5 = socket(0xb, 0xa, 0xa82)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, r1, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xabe9}]}, 0x84}, 0x1, 0x0, 0x0, 0x11}, 0x4002000) (async)
ioctl$SOUND_OLD_MIXER_INFO(r2, 0x80304d65, &(0x7f0000000240))
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r6, 0x1}, 0x14}}, 0x0)

15:42:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2814.520616] nbd: must specify a device to reconfigure
15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000e955288ffc84b5d9e8a23c7f120ba210f8d140c4bae5df13e36d2023ddede08a8859c989d57ee8e148492122e1cc50bb09a614d85591d75fa33f8365bf03e2a5c33335b6da06444079be7562675c6ba30e6d7c9431a56d3823f1b258", @ANYRES16=r1, @ANYBLOB="01000000200000000002030000f6accb28f610cfa6c986f58312bbaf9f62b47a8841951fc6abfa1684db43292bd4782f513892d62d327b6bc7ebc10dd1a9b02991a8076f7d91b2eab1b8fb8d2d9131e6ad90aa8c529b4407b236bc1b8f4fe46106d9b03adb19a69df529179f2fc12fd4b24c25ee5afe94c5ba2cde7d3038ecd3dcc23f7b37"], 0x14}}, 0x0)

15:42:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2814.580440] nbd: must specify at least one socket
15:42:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000040}, 0x804)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r5) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14001085", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000e955288ffc84b5d9e8a23c7f120ba210f8d140c4bae5df13e36d2023ddede08a8859c989d57ee8e148492122e1cc50bb09a614d85591d75fa33f8365bf03e2a5c33335b6da06444079be7562675c6ba30e6d7c9431a56d3823f1b258", @ANYRES16=r1, @ANYBLOB="01000000200000000002030000f6accb28f610cfa6c986f58312bbaf9f62b47a8841951fc6abfa1684db43292bd4782f513892d62d327b6bc7ebc10dd1a9b02991a8076f7d91b2eab1b8fb8d2d9131e6ad90aa8c529b4407b236bc1b8f4fe46106d9b03adb19a69df529179f2fc12fd4b24c25ee5afe94c5ba2cde7d3038ecd3dcc23f7b37"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000e955288ffc84b5d9e8a23c7f120ba210f8d140c4bae5df13e36d2023ddede08a8859c989d57ee8e148492122e1cc50bb09a614d85591d75fa33f8365bf03e2a5c33335b6da06444079be7562675c6ba30e6d7c9431a56d3823f1b258", @ANYRES16=r1, @ANYBLOB="01000000200000000002030000f6accb28f610cfa6c986f58312bbaf9f62b47a8841951fc6abfa1684db43292bd4782f513892d62d327b6bc7ebc10dd1a9b02991a8076f7d91b2eab1b8fb8d2d9131e6ad90aa8c529b4407b236bc1b8f4fe46106d9b03adb19a69df529179f2fc12fd4b24c25ee5afe94c5ba2cde7d3038ecd3dcc23f7b37"], 0x14}}, 0x0) (async)

15:42:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2814.652790] nbd: must specify a device to reconfigure
[ 2814.676331] nbd: must specify a device to reconfigure
15:42:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000e955288ffc84b5d9e8a23c7f120ba210f8d140c4bae5df13e36d2023ddede08a8859c989d57ee8e148492122e1cc50bb09a614d85591d75fa33f8365bf03e2a5c33335b6da06444079be7562675c6ba30e6d7c9431a56d3823f1b258", @ANYRES16=r1, @ANYBLOB="01000000200000000002030000f6accb28f610cfa6c986f58312bbaf9f62b47a8841951fc6abfa1684db43292bd4782f513892d62d327b6bc7ebc10dd1a9b02991a8076f7d91b2eab1b8fb8d2d9131e6ad90aa8c529b4407b236bc1b8f4fe46106d9b03adb19a69df529179f2fc12fd4b24c25ee5afe94c5ba2cde7d3038ecd3dcc23f7b37"], 0x14}}, 0x0)

15:42:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000040}, 0x804)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r5) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14001085", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
r6 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000080), r0)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x20084040)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r6, 0x100, 0x70bd2d, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000001}, 0x80)
gettid()
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000340)=ANY=[@ANYBLOB="2417e67fb1819ee8c984013d9fbe33d5ffffff4a5b6bbf5309cf2a9cd79821cfc01ccf38ad10e56480b87d74ae63e8eeed41857625ec27d6", @ANYRES16=r2, @ANYBLOB="0100000000b1f600000103000000"], 0x14}}, 0x0)

[ 2814.896949] nbd: must specify a device to reconfigure
15:42:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
r6 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000080), r0)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x20084040) (async)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r6, 0x100, 0x70bd2d, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000001}, 0x80) (async)
gettid()
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000340)=ANY=[@ANYBLOB="2417e67fb1819ee8c984013d9fbe33d5ffffff4a5b6bbf5309cf2a9cd79821cfc01ccf38ad10e56480b87d74ae63e8eeed41857625ec27d6", @ANYRES16=r2, @ANYBLOB="0100000000b1f600000103000000"], 0x14}}, 0x0)

15:42:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000200), r0)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r6)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&}*\']@'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000844}, 0x4044840)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
setsockopt$bt_BT_RCVMTU(0xffffffffffffffff, 0x112, 0xd, &(0x7f0000000140)=0x2, 0x2)

[ 2815.039582] nbd: must specify at least one socket
[ 2815.051377] nbd: must specify a device to reconfigure
15:42:21 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2815.194460] nbd: must specify a device to reconfigure
15:42:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000080), r0) (async)
r6 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000080), r0)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x20084040)
sendmsg$NET_DM_CMD_START(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r6, 0x100, 0x70bd2d, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000001}, 0x80)
gettid()
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000340)=ANY=[@ANYBLOB="2417e67fb1819ee8c984013d9fbe33d5ffffff4a5b6bbf5309cf2a9cd79821cfc01ccf38ad10e56480b87d74ae63e8eeed41857625ec27d6", @ANYRES16=r2, @ANYBLOB="0100000000b1f600000103000000"], 0x14}}, 0x0)

15:42:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000200), r0) (async)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000200), r0)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r3)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r6)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&}*\']@'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000844}, 0x4044840)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
setsockopt$bt_BT_RCVMTU(0xffffffffffffffff, 0x112, 0xd, &(0x7f0000000140)=0x2, 0x2)

[ 2815.265069] nbd: must specify a device to reconfigure
15:42:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2815.333361] nbd: must specify a device to reconfigure
15:42:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x300, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000000)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

15:42:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
r5 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000200), r0)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r6)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&}*\']@'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000844}, 0x4044840)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
setsockopt$bt_BT_RCVMTU(0xffffffffffffffff, 0x112, 0xd, &(0x7f0000000140)=0x2, 0x2)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000200), r0) (async)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r3) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r6) (async)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&}*\']@'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000844}, 0x4044840) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
setsockopt$bt_BT_RCVMTU(0xffffffffffffffff, 0x112, 0xd, &(0x7f0000000140)=0x2, 0x2) (async)

15:42:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2815.376771] nbd: must specify a device to reconfigure
[ 2815.391692] nbd: must specify a device to reconfigure
15:42:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x300, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000000)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

[ 2815.531353] nbd: must specify a device to reconfigure
[ 2815.543351] nbd: must specify a device to reconfigure
15:42:22 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x300, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000000)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x300, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)

15:42:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="03000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2815.618376] nbd: must specify a device to reconfigure
15:42:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="03000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400fd2d1c52a33d6600004e7bb02af47069aee0c0625e10037caf7d20e6d1f2684cc5560d50770d944af8a34fdd9b4dbba726e689cdc58532a527bb436c54fd18244afed6c605135cb259e771fbd4274ec500553969ead42e336dc6ec85bf707dab9f512b694e4b1c802712fa550beddb78488b1a267a3100a7a31931c6a00c52a423beb174e732a9382e95ba8a23d43be685830dce8a3537a826b460e501377a205f56a7a5abfb0512ec1e970b97f4aaf5ae0e0e43015c84ea7528a77f21d68b79f66ba735a2081f85402f856380", @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r3, 0x1, 0x0, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4800}, 0x4040080)

[ 2815.743606] nbd: must specify a device to reconfigure
[ 2815.761167] nbd: must specify a device to reconfigure
15:42:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="03000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
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$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400fd2d1c52a33d6600004e7bb02af47069aee0c0625e10037caf7d20e6d1f2684cc5560d50770d944af8a34fdd9b4dbba726e689cdc58532a527bb436c54fd18244afed6c605135cb259e771fbd4274ec500553969ead42e336dc6ec85bf707dab9f512b694e4b1c802712fa550beddb78488b1a267a3100a7a31931c6a00c52a423beb174e732a9382e95ba8a23d43be685830dce8a3537a826b460e501377a205f56a7a5abfb0512ec1e970b97f4aaf5ae0e0e43015c84ea7528a77f21d68b79f66ba735a2081f85402f856380", @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r3, 0x1, 0x0, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4800}, 0x4040080)

15:42:22 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='\b\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2815.985380] nbd: must specify a device to reconfigure
15:42:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='\b\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2816.077184] nbd: must specify a device to reconfigure
15:42:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400fd2d1c52a33d6600004e7bb02af47069aee0c0625e10037caf7d20e6d1f2684cc5560d50770d944af8a34fdd9b4dbba726e689cdc58532a527bb436c54fd18244afed6c605135cb259e771fbd4274ec500553969ead42e336dc6ec85bf707dab9f512b694e4b1c802712fa550beddb78488b1a267a3100a7a31931c6a00c52a423beb174e732a9382e95ba8a23d43be685830dce8a3537a826b460e501377a205f56a7a5abfb0512ec1e970b97f4aaf5ae0e0e43015c84ea7528a77f21d68b79f66ba735a2081f85402f856380", @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r3, 0x1, 0x0, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4800}, 0x4040080)

15:42:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='\b\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r9, 0x5016, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10e}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4008010}, 0x40054)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2816.215753] nbd: must specify a device to reconfigure
[ 2816.255416] nbd: must specify a device to reconfigure
15:42:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000140), r0)
sendmsg$NET_DM_CMD_START(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x802, 0x70bd28, 0x25dfdbfb, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x810}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14042100", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2816.333214] nbd: must specify a device to reconfigure
15:42:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000140), r0) (async)
sendmsg$NET_DM_CMD_START(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x802, 0x70bd28, 0x25dfdbfb, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x810}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14042100", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2816.353552] nbd: must specify at least one socket
[ 2816.363924] nbd: must specify a device to reconfigure
15:42:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2816.469128] nbd: must specify a device to reconfigure
15:42:23 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) (async)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0) (async)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r9, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10e}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4008010}, 0x40054)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000140), r0)
sendmsg$NET_DM_CMD_START(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x802, 0x70bd28, 0x25dfdbfb, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x810}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14042100", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2816.493886] nbd: must specify a device to reconfigure
[ 2816.507078] nbd: must specify a device to reconfigure
15:42:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x20004004)

15:42:23 executing program 1:
setsockopt$RXRPC_SECURITY_KEYRING(0xffffffffffffffff, 0x110, 0x2, &(0x7f0000000040)='nbd\x00', 0x4)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)={0x20, r1, 0x1, 0xfffffffc, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '#}:\'.'}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000090}, 0x40001)

15:42:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x20004004)

[ 2816.655478] nbd: must specify a device to reconfigure
15:42:23 executing program 1:
setsockopt$RXRPC_SECURITY_KEYRING(0xffffffffffffffff, 0x110, 0x2, &(0x7f0000000040)='nbd\x00', 0x4) (async, rerun: 64)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2) (async, rerun: 32)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (rerun: 32)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)={0x20, r1, 0x1, 0xfffffffc, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '#}:\'.'}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000090}, 0x40001)

15:42:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, <r4=>0xffffffffffffffff}, 0x80)
r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) (async)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r8, 0x5016, 0x0)
r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r9, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10e}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4008010}, 0x40054)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2816.679021] nbd: must specify a device to reconfigure
[ 2816.694596] nbd: must specify a device to reconfigure
15:42:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x20004004)

15:42:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_STOP(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x0, 0x70bd27, 0x25dfdbfc, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20004014}, 0x4800)
r3 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r4=>0x0})
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r4}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=@getstats={0x1c, 0x5e, 0x300, 0x70bd2a, 0x25dfdbff, {0x0, 0x0, 0x0, r4, 0x1}, ["", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

[ 2816.784883] nbd: must specify at least one socket
[ 2816.792354] nbd: must specify a device to reconfigure
15:42:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NET_DM_CMD_STOP(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x0, 0x70bd27, 0x25dfdbfc, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20004014}, 0x4800) (async)
r3 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r4=>0x0})
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r4}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=@getstats={0x1c, 0x5e, 0x300, 0x70bd2a, 0x25dfdbff, {0x0, 0x0, 0x0, r4, 0x1}, ["", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4000) (async, rerun: 64)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (rerun: 64)

15:42:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 1:
setsockopt$RXRPC_SECURITY_KEYRING(0xffffffffffffffff, 0x110, 0x2, &(0x7f0000000040)='nbd\x00', 0x4) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r2) (async, rerun: 32)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (rerun: 32)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async, rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)={0x20, r1, 0x1, 0xfffffffc, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '#}:\'.'}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000090}, 0x40001) (rerun: 32)

[ 2816.949747] nbd: must specify a device to reconfigure
15:42:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NET_DM_CMD_STOP(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x0, 0x70bd27, 0x25dfdbfc, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20004014}, 0x4800) (async)
r3 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000040)={'vxcan0\x00', <r4=>0x0})
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=@ipv6_deladdr={0x2c, 0x15, 0xa4a9887fb0207341, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r4}, [@IFA_ADDRESS={0x14, 0x1, @mcast1}]}, 0x2c}}, 0x0) (async)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=@getstats={0x1c, 0x5e, 0x300, 0x70bd2a, 0x25dfdbff, {0x0, 0x0, 0x0, r4, 0x1}, ["", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0xf315f74f3d04ae0d, 0x70bd27, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000800}, 0x4008005)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_BT_FLUSHABLE(r3, 0x112, 0x8, &(0x7f0000000100)=0x3, 0x4)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000008beffc510a0400000082c109d7128b66", @ANYRES16=r1, @ANYBLOB="0100000d794b118aebd5970000004161a3093eb80f6479bbd7a7d9add7e174d005d59b09951740a7e39f54b1f30e497416ff06a39db8"], 0x14}}, 0x0)

15:42:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2817.239889] nbd: must specify a device to reconfigure
15:42:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x242040, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r7=>0xffffffffffffffff}, 0x80)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8)
r10 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x4001, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0xb0, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x81}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x2000004}, 0x81)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14008000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0xf315f74f3d04ae0d, 0x70bd27, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000800}, 0x4008005) (async)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_BT_FLUSHABLE(r3, 0x112, 0x8, &(0x7f0000000100)=0x3, 0x4)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000008beffc510a0400000082c109d7128b66", @ANYRES16=r1, @ANYBLOB="0100000d794b118aebd5970000004161a3093eb80f6479bbd7a7d9add7e174d005d59b09951740a7e39f54b1f30e497416ff06a39db8"], 0x14}}, 0x0)

15:42:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x242040, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r7=>0xffffffffffffffff}, 0x80)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8)
r10 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x4001, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0xb0, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x81}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x2000004}, 0x81)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14008000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2817.436146] nbd: must specify a device to reconfigure
15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0xf315f74f3d04ae0d, 0x70bd27, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000800}, 0x4008005) (async)
sendmsg$NET_DM_CMD_START(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0xf315f74f3d04ae0d, 0x70bd27, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000800}, 0x4008005)
r3 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
setsockopt$bt_BT_FLUSHABLE(r3, 0x112, 0x8, &(0x7f0000000100)=0x3, 0x4) (async)
setsockopt$bt_BT_FLUSHABLE(r3, 0x112, 0x8, &(0x7f0000000100)=0x3, 0x4)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000008beffc510a0400000082c109d7128b66", @ANYRES16=r1, @ANYBLOB="0100000d794b118aebd5970000004161a3093eb80f6479bbd7a7d9add7e174d005d59b09951740a7e39f54b1f30e497416ff06a39db8"], 0x14}}, 0x0)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2817.456600] nbd: must specify a device to reconfigure
15:42:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff8001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

15:42:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async)
r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x242040, 0x0)
r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r6, 0x5016, 0x0) (async)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r7=>0xffffffffffffffff}, 0x80)
r8 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8)
r10 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x4001, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0xb0, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x81}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x2000004}, 0x81) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14008000", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2817.613372] nbd: must specify a device to reconfigure
15:42:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff8001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)

15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x20004004)

15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x400, 0x70bd2a, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x8001}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x42000082}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x3}, 0x4000010)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='HB\r\x00', @ANYRES16=r3, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2817.665440] nbd: must specify a device to reconfigure
[ 2817.692185] nbd: must specify a device to reconfigure
15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x400, 0x70bd2a, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x8001}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x42000082}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x3}, 0x4000010) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x42000082}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x3}, 0x4000010)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='HB\r\x00', @ANYRES16=r3, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x20004004)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2817.793726] nbd: must specify a device to reconfigure
15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff8001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffff8001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)

15:42:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2817.820633] nbd: must specify a device to reconfigure
[ 2817.827087] nbd: must specify a device to reconfigure
15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x20004004)

15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x400, 0x70bd2a, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x8001}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x42000082}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x2c}, 0x1, 0x0, 0x0, 0x3}, 0x4000010)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='HB\r\x00', @ANYRES16=r3, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2817.904664] nbd: must specify a device to reconfigure
[ 2817.912673] nbd: must specify a device to reconfigure
[ 2817.919847] nbd: must specify a device to reconfigure
15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4005080}, 0x8001)

15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="011d5a0000000000f403102cad746e0000f502"], 0x14}}, 0x0)

[ 2818.003601] nla_parse: 127 callbacks suppressed
[ 2818.003607] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2818.018350] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2818.034494] nbd: must specify a device to reconfigure
15:42:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.065432] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2818.075609] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="011d5a0000000000f403102cad746e0000f502"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="011d5a0000000000f403102cad746e0000f502"], 0x14}}, 0x0) (async)

15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4005080}, 0x8001)

15:42:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.152261] nbd: must specify a device to reconfigure
15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4005080}, 0x8001)

15:42:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="011d5a0000000000f403102cad746e0000f502"], 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="011d5a0000000000f403102cad746e0000f502"], 0x14}}, 0x0)

15:42:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
socket$phonet_pipe(0x23, 0x5, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
setsockopt$PNPIPE_ENCAP(r2, 0x113, 0x1, &(0x7f0000000240), 0x4)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
syz_open_dev$ndb(&(0x7f0000000480), 0x0, 0x40)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x6, 0x9, &(0x7f0000000000)=ANY=[@ANYBLOB="180000004000000000000000010000801811e3ff25261a2a3e1bcef34600000000000000001842000001000000b8a22895d2c33390e9b000000000210000003f55"], &(0x7f0000000080)='GPL\x00', 0x3, 0xc4, &(0x7f0000000300)=""/196, 0x40f00, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x3, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x2, 0x1, 0x3fffc0, 0x6}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000140)=[0x1, 0x1, r4, 0x1]}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
getsockopt$bt_BT_RCVMTU(r5, 0x112, 0xd, &(0x7f0000000180)=0x1, &(0x7f0000000440)=0x2)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000400)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x4000)

15:42:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.207807] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2818.232603] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2818.245346] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2818.270472] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.346109] nbd: must specify a device to reconfigure
15:42:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, r2, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4c001}, 0x4804)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
socket$phonet_pipe(0x23, 0x5, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0) (async)
setsockopt$PNPIPE_ENCAP(r2, 0x113, 0x1, &(0x7f0000000240), 0x4) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
syz_open_dev$ndb(&(0x7f0000000480), 0x0, 0x40) (async)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x6, 0x9, &(0x7f0000000000)=ANY=[@ANYBLOB="180000004000000000000000010000801811e3ff25261a2a3e1bcef34600000000000000001842000001000000b8a22895d2c33390e9b000000000210000003f55"], &(0x7f0000000080)='GPL\x00', 0x3, 0xc4, &(0x7f0000000300)=""/196, 0x40f00, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x3, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x2, 0x1, 0x3fffc0, 0x6}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000140)=[0x1, 0x1, r4, 0x1]}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
getsockopt$bt_BT_RCVMTU(r5, 0x112, 0xd, &(0x7f0000000180)=0x1, &(0x7f0000000440)=0x2)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000400)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x4000)

[ 2818.380807] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2818.397146] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2818.406634] nbd: must specify a device to reconfigure
15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.462261] nbd: must specify a device to reconfigure
15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, r2, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4c001}, 0x4804) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
socket$phonet_pipe(0x23, 0x5, 0x2)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r2, 0x5016, 0x0)
setsockopt$PNPIPE_ENCAP(r2, 0x113, 0x1, &(0x7f0000000240), 0x4) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
syz_open_dev$ndb(&(0x7f0000000480), 0x0, 0x40)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x6, 0x9, &(0x7f0000000000)=ANY=[@ANYBLOB="180000004000000000000000010000801811e3ff25261a2a3e1bcef34600000000000000001842000001000000b8a22895d2c33390e9b000000000210000003f55"], &(0x7f0000000080)='GPL\x00', 0x3, 0xc4, &(0x7f0000000300)=""/196, 0x40f00, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x3, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x2, 0x1, 0x3fffc0, 0x6}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000140)=[0x1, 0x1, r4, 0x1]}, 0x80)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
getsockopt$bt_BT_RCVMTU(r5, 0x112, 0xd, &(0x7f0000000180)=0x1, &(0x7f0000000440)=0x2)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000400)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x4000)

[ 2818.483938] nbd: must specify a device to reconfigure
15:42:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.537682] nbd: must specify a device to reconfigure
15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010026bd7000fedbdf25010000000800010000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000801}, 0x4009080)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000219f8d11c050000000000"], 0x14}}, 0x0)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x5c, r2, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4c001}, 0x4804)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.597686] nbd: must specify a device to reconfigure
[ 2818.604910] nbd: must specify a device to reconfigure
[ 2818.617808] nbd: must specify a device to reconfigure
15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.674516] nbd: must specify a device to reconfigure
15:42:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="a234d994970cf0d6225147d035f6e03c39c0bc2118972d148000fa", @ANYRES16=r1, @ANYBLOB="2100a042f4ccd0c40aa16e0eaeb4efed71c4d0633b1963ca43f926f51918df54dbcbf7565c0be37e0e2c88becd40a47810c77b3148fad1d55728add219f37350ca5fc6bea24d1fa491de4fb7ce6aaf45d6716d563204c6e716082463af05c475af9e89cda8ecc149396f0deb4ae46cb7b6abdf9a03f8114b6146eb5020c4db8f37"], 0x14}}, 0x0)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010026bd7000fedbdf25010000000800010000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000801}, 0x4009080)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000219f8d11c050000000000"], 0x14}}, 0x0)

[ 2818.695855] nbd: must specify a device to reconfigure
[ 2818.708548] nbd: must specify at least one socket
15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="a234d994970cf0d6225147d035f6e03c39c0bc2118972d148000fa", @ANYRES16=r1, @ANYBLOB="2100a042f4ccd0c40aa16e0eaeb4efed71c4d0633b1963ca43f926f51918df54dbcbf7565c0be37e0e2c88becd40a47810c77b3148fad1d55728add219f37350ca5fc6bea24d1fa491de4fb7ce6aaf45d6716d563204c6e716082463af05c475af9e89cda8ecc149396f0deb4ae46cb7b6abdf9a03f8114b6146eb5020c4db8f37"], 0x14}}, 0x0)

15:42:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.820243] nbd: must specify a device to reconfigure
15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="a234d994970cf0d6225147d035f6e03c39c0bc2118972d148000fa", @ANYRES16=r1, @ANYBLOB="2100a042f4ccd0c40aa16e0eaeb4efed71c4d0633b1963ca43f926f51918df54dbcbf7565c0be37e0e2c88becd40a47810c77b3148fad1d55728add219f37350ca5fc6bea24d1fa491de4fb7ce6aaf45d6716d563204c6e716082463af05c475af9e89cda8ecc149396f0deb4ae46cb7b6abdf9a03f8114b6146eb5020c4db8f37"], 0x14}}, 0x0)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010026bd7000fedbdf25010000000800010000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000801}, 0x4009080) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000219f8d11c050000000000"], 0x14}}, 0x0)

15:42:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2818.871270] nbd: must specify a size in bytes for the device
[ 2818.886492] nbd: must specify a device to reconfigure
15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
write$cgroup_subtree(r1, &(0x7f0000000080)={[{0x2d, 'memory'}]}, 0x8)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9cbad85fe229d8be2e589f69b1400be96a75034199c11f4f09e7167286d2cb60e78582a5c522bdfd1fc1cca2fb31fcdb99a5137933e164c1b8206358b09270581342d1155a4a95b48d510cfe19ec35953bf665abe1ab3d21460d859fab1f4edae16e379e62e53e8604154ab2a8253820b086363d0a0d596a3309b4887e1c437b", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)

15:42:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
write$cgroup_subtree(r1, &(0x7f0000000080)={[{0x2d, 'memory'}]}, 0x8)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9cbad85fe229d8be2e589f69b1400be96a75034199c11f4f09e7167286d2cb60e78582a5c522bdfd1fc1cca2fb31fcdb99a5137933e164c1b8206358b09270581342d1155a4a95b48d510cfe19ec35953bf665abe1ab3d21460d859fab1f4edae16e379e62e53e8604154ab2a8253820b086363d0a0d596a3309b4887e1c437b", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async)
write$cgroup_subtree(r1, &(0x7f0000000080)={[{0x2d, 'memory'}]}, 0x8) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9cbad85fe229d8be2e589f69b1400be96a75034199c11f4f09e7167286d2cb60e78582a5c522bdfd1fc1cca2fb31fcdb99a5137933e164c1b8206358b09270581342d1155a4a95b48d510cfe19ec35953bf665abe1ab3d21460d859fab1f4edae16e379e62e53e8604154ab2a8253820b086363d0a0d596a3309b4887e1c437b", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0) (async)

15:42:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.032482] nbd: must specify a device to reconfigure
[ 2819.040954] nbd: must specify a size in bytes for the device
15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="16020800b3fa789033046f0540c889fe9e398e1a90f24f0700c900f8", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2819.080284] nbd: must specify a device to reconfigure
15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8)
write$cgroup_subtree(r1, &(0x7f0000000080)={[{0x2d, 'memory'}]}, 0x8)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="9cbad85fe229d8be2e589f69b1400be96a75034199c11f4f09e7167286d2cb60e78582a5c522bdfd1fc1cca2fb31fcdb99a5137933e164c1b8206358b09270581342d1155a4a95b48d510cfe19ec35953bf665abe1ab3d21460d859fab1f4edae16e379e62e53e8604154ab2a8253820b086363d0a0d596a3309b4887e1c437b", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x0)

15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="16020800b3fa789033046f0540c889fe9e398e1a90f24f0700c900f8", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

[ 2819.160590] nbd: must specify a device to reconfigure
15:42:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.183091] nbd: must specify a size in bytes for the device
15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="16020800b3fa789033046f0540c889fe9e398e1a90f24f0700c900f8", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)

15:42:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000000)={0x9, 0x1, 0x5, 0x9df, 'syz1\x00', 0x1})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000700", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)

15:42:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
syz_open_dev$media(&(0x7f0000000040), 0x7fffffff, 0x600001)

15:42:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.274640] nbd: must specify a device to reconfigure
[ 2819.302943] nbd: must specify a device to reconfigure
15:42:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
syz_open_dev$media(&(0x7f0000000040), 0x7fffffff, 0x600001)

15:42:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.468772] nbd: must specify a device to reconfigure
15:42:26 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$nbd(&(0x7f0000000880), r0)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000000)={0x9, 0x1, 0x5, 0x9df, 'syz1\x00', 0x1})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000700", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
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$nbd(&(0x7f0000000880), r0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000000)={0x9, 0x1, 0x5, 0x9df, 'syz1\x00', 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$nbd(&(0x7f0000000880), r3) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000700", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)

[ 2819.512858] nbd: must specify a device to reconfigure
15:42:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.619425] nbd: must specify a device to reconfigure
15:42:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
syz_open_dev$media(&(0x7f0000000040), 0x7fffffff, 0x600001) (async)
syz_open_dev$media(&(0x7f0000000040), 0x7fffffff, 0x600001)

15:42:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.643890] nbd: must specify a device to reconfigure
15:42:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(0xffffffffffffffff, 0x40405514, &(0x7f0000000000)={0x9, 0x1, 0x5, 0x9df, 'syz1\x00', 0x1}) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r3) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000700", @ANYRES16=r1, @ANYBLOB="010000000000fbdbdf2503000000"], 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)

15:42:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.691887] nbd: must specify a device to reconfigure
[ 2819.699161] nbd: must specify a device to reconfigure
15:42:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.829699] nbd: must specify a device to reconfigure
15:42:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
read$ptp(r3, &(0x7f0000000000)=""/56, 0x38)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4040, 0x0)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r5=>0xffffffffffffffff}, 0x80)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, r3, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x20}}, 0x840)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x68, r3, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x8000}, 0x20000001)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2819.964013] nbd: must specify a device to reconfigure
15:42:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async)
r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4040, 0x0) (async)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r5=>0xffffffffffffffff}, 0x80)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, r3, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x20}}, 0x840) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x68, r3, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x8000}, 0x20000001)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0)
read$ptp(r3, &(0x7f0000000000)=""/56, 0x38)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
read$ptp(r3, &(0x7f0000000000)=""/56, 0x38) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}}, 0x0) (async)

15:42:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2820.000191] nbd: must specify a device to reconfigure
[ 2820.005699] nbd: must specify a device to reconfigure
[ 2820.012599] nbd: must specify a device to reconfigure
15:42:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4040, 0x0) (async)
r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000080), 0x4040, 0x0)
pipe2$watch_queue(&(0x7f00000000c0), 0x80) (async)
pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, <r5=>0xffffffffffffffff}, 0x80)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x20, r3, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x20}}, 0x840)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x68, r3, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x8000}, 0x20000001)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r3, 0x5016, 0x0) (async)
read$ptp(r3, &(0x7f0000000000)=""/56, 0x38) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2820.156309] nbd: must specify a device to reconfigure
15:42:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2820.202562] nbd: must specify a device to reconfigure
15:42:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r2, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x3c}}, 0x2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv_slave_0\x00'})
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r3, 0x1}, 0x14}}, 0x0)

[ 2820.343458] nbd: must specify a device to reconfigure
[ 2820.360854] nbd: must specify a device to reconfigure
[ 2820.368419] nbd: must specify a device to reconfigure
15:42:27 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2820.403893] nbd: must specify a size in bytes for the device
15:42:27 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

[ 2820.529178] nbd: must specify a device to reconfigure
15:42:27 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2820.610215] nbd: must specify a device to reconfigure
15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 4:
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$nbd(&(0x7f0000000140), r1)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r2, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x3c}}, 0x2) (async, rerun: 32)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (rerun: 32)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv_slave_0\x00'}) (async, rerun: 32)
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5) (async, rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r3, 0x1}, 0x14}}, 0x0)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2820.637056] nbd: must specify a device to reconfigure
[ 2820.648321] nbd: must specify a size in bytes for the device
15:42:27 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40040}, 0x0)

15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40040}, 0x0)

[ 2820.770342] nbd: must specify a device to reconfigure
[ 2820.785142] nbd: must specify at least one socket
[ 2820.800977] nbd: must specify a device to reconfigure
[ 2820.810970] nbd: must specify a device to reconfigure
15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40040}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3) (async)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40040}, 0x0) (async)

[ 2820.899880] nbd: must specify a size in bytes for the device
15:42:27 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r2, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x3c}}, 0x2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r5)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv_slave_0\x00'})
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r3, 0x1}, 0x14}}, 0x0)

15:42:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="04002bbd7000000000000c00040004000000fdbfdc9fa4130000000008000100000000000000000000000000000000921a1e535992045f86e4a8e9f8da9ed2020e8ca74dff364d83ec1115c206a700a99e500d64ca980c94cc92833dde502d7b95bd4b04ca385eb26773df4cd111ecde11f1a9456bd31f565b4749cd384cea4406692d8ec9574963d2497050b677cc7ca3e0cddccc3f07ffa6b7afac4eed077c9e5c7b"], 0x34}, 0x1, 0x0, 0x0, 0x180c0}, 0x8891)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdb07e800000000"], 0x14}}, 0x0)

[ 2820.965734] nbd: must specify a device to reconfigure
[ 2820.981769] nbd: must specify a device to reconfigure
15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2821.036569] nbd: must specify at least one socket
15:42:27 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r1, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xc11}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="04002bbd7000000000000c00040004000000fdbfdc9fa4130000000008000100000000000000000000000000000000921a1e535992045f86e4a8e9f8da9ed2020e8ca74dff364d83ec1115c206a700a99e500d64ca980c94cc92833dde502d7b95bd4b04ca385eb26773df4cd111ecde11f1a9456bd31f565b4749cd384cea4406692d8ec9574963d2497050b677cc7ca3e0cddccc3f07ffa6b7afac4eed077c9e5c7b"], 0x34}, 0x1, 0x0, 0x0, 0x180c0}, 0x8891) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdb07e800000000"], 0x14}}, 0x0)

[ 2821.130479] nbd: must specify a device to reconfigure
[ 2821.138717] nbd: must specify at least one socket
[ 2821.150180] nbd: must specify a device to reconfigure
15:42:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2821.196983] nbd: must specify a device to reconfigure
15:42:27 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r1, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xc11}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r1, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xc11}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="04002bbd7000000000000c00040004000000fdbfdc9fa4130000000008000100000000000000000000000000000000921a1e535992045f86e4a8e9f8da9ed2020e8ca74dff364d83ec1115c206a700a99e500d64ca980c94cc92833dde502d7b95bd4b04ca385eb26773df4cd111ecde11f1a9456bd31f565b4749cd384cea4406692d8ec9574963d2497050b677cc7ca3e0cddccc3f07ffa6b7afac4eed077c9e5c7b"], 0x34}, 0x1, 0x0, 0x0, 0x180c0}, 0x8891) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000fbdb07e800000000"], 0x14}}, 0x0)

[ 2821.345791] nbd: must specify a device to reconfigure
[ 2821.365745] nbd: must specify a device to reconfigure
15:42:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r1, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xc11}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)

15:42:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000000)={<r3=>0x0})
ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000040)={r3, 0x1})
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x8008040}, 0x4)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f00000001c0)={<r6=>0x0})
ioctl$DRM_IOCTL_RM_CTX(r5, 0xc0086421, &(0x7f0000000200)={r6, 0x1})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2821.503388] nbd: must specify a device to reconfigure
15:42:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2821.631448] nbd: must specify a size in bytes for the device
[ 2821.642081] nbd: must specify a device to reconfigure
[ 2821.670149] nbd: must specify a device to reconfigure
15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000000)={<r3=>0x0})
ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000040)={r3, 0x1})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x8008040}, 0x4)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f00000001c0)) (async)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f00000001c0)={<r6=>0x0})
ioctl$DRM_IOCTL_RM_CTX(r5, 0xc0086421, &(0x7f0000000200)={r6, 0x1})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2821.685545] nbd: must specify a device to reconfigure
15:42:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2821.739042] nbd: must specify a device to reconfigure
[ 2821.746105] nbd: must specify a size in bytes for the device
15:42:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000000), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000000)={<r3=>0x0})
ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000040)={r3, 0x1})
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r4) (async)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r1, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x8008040}, 0x4) (async)
r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r5, 0x5016, 0x0) (async)
ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f00000001c0)={<r6=>0x0})
ioctl$DRM_IOCTL_RM_CTX(r5, 0xc0086421, &(0x7f0000000200)={r6, 0x1}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2821.823539] nbd: must specify a device to reconfigure
[ 2821.840052] nbd: must specify a size in bytes for the device
[ 2821.858265] nbd: must specify a device to reconfigure
15:42:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2821.933112] nbd: must specify a device to reconfigure
15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x2, 0x70bd25, 0x25dfdbfe, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x4008004)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0)
ioctl$UI_ABS_SETUP(r4, 0x401c5504, &(0x7f0000000140)={0x400, {0xfffffd11, 0x7fff, 0x4, 0x5, 0x7fffffff, 0x4}})

15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x2040004)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2822.051068] nbd: must specify a device to reconfigure
15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x74}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x2040004) (async, rerun: 32)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2822.182504] nbd: must specify a device to reconfigure
15:42:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async, rerun: 64)
r2 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0) (rerun: 64)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x2, 0x70bd25, 0x25dfdbfe, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x4008004)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async, rerun: 32)
ioctl$UI_ABS_SETUP(r4, 0x401c5504, &(0x7f0000000140)={0x400, {0xfffffd11, 0x7fff, 0x4, 0x5, 0x7fffffff, 0x4}}) (rerun: 32)

[ 2822.250044] nbd: must specify a device to reconfigure
15:42:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2822.317955] nbd: must specify a device to reconfigure
15:42:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NET_DM_CMD_START(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x2040004) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x74}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2822.385784] nbd: must specify at least one socket
15:42:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0)
sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x2, 0x70bd25, 0x25dfdbfe, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x4008004)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r4, 0x5016, 0x0) (async)
ioctl$UI_ABS_SETUP(r4, 0x401c5504, &(0x7f0000000140)={0x400, {0xfffffd11, 0x7fff, 0x4, 0x5, 0x7fffffff, 0x4}})

[ 2822.428349] nbd: must specify a device to reconfigure
[ 2822.437104] nbd: must specify a size in bytes for the device
15:42:29 executing program 1:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
ioctl$UI_END_FF_UPLOAD(r0, 0x406855c9, &(0x7f0000000040)={0x0, 0x6, {0x2f, 0x400, 0x1f, {0x3, 0x8}, {0x5, 0x1}, @const={0x3, {0x4, 0x8, 0xfffd, 0x1}}}, {0x52, 0x80, 0x8, {0xadf, 0x5}, {0x4, 0x7}, @const={0x9, {0x8000, 0xde83, 0x1ff, 0x4}}}})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$UI_BEGIN_FF_UPLOAD(r0, 0xc06855c8, &(0x7f00000000c0)={0x8, 0x5, {0x55, 0x1ff, 0x4, {0xe4, 0x800}, {0x5, 0x6}, @cond=[{0x0, 0x7, 0x30, 0x2, 0x40, 0x1}, {0x80, 0x1, 0x1000, 0xf9b2, 0xce, 0x9}]}, {0x57, 0x4, 0x1f, {0x6, 0x3}, {0x8, 0x7}, @cond=[{0x6, 0x1f, 0x0, 0x2, 0x3, 0x5}, {0x6, 0xfd6d, 0x3, 0x4, 0x1, 0x9}]}})
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x14, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0xbd5a9c}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x0, 0x7, 0x0, 0x1, [{}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '^'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, ')]'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x4}]}, 0xffffffffffffffd4}}, 0x0)

[ 2822.505769] nbd: must specify a device to reconfigure
[ 2822.511368] nbd: must specify a size in bytes for the device
[ 2822.528278] nbd: must specify a device to reconfigure
15:42:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 1:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
ioctl$UI_END_FF_UPLOAD(r0, 0x406855c9, &(0x7f0000000040)={0x0, 0x6, {0x2f, 0x400, 0x1f, {0x3, 0x8}, {0x5, 0x1}, @const={0x3, {0x4, 0x8, 0xfffd, 0x1}}}, {0x52, 0x80, 0x8, {0xadf, 0x5}, {0x4, 0x7}, @const={0x9, {0x8000, 0xde83, 0x1ff, 0x4}}}}) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
ioctl$UI_BEGIN_FF_UPLOAD(r0, 0xc06855c8, &(0x7f00000000c0)={0x8, 0x5, {0x55, 0x1ff, 0x4, {0xe4, 0x800}, {0x5, 0x6}, @cond=[{0x0, 0x7, 0x30, 0x2, 0x40, 0x1}, {0x80, 0x1, 0x1000, 0xf9b2, 0xce, 0x9}]}, {0x57, 0x4, 0x1f, {0x6, 0x3}, {0x8, 0x7}, @cond=[{0x6, 0x1f, 0x0, 0x2, 0x3, 0x5}, {0x6, 0xfd6d, 0x3, 0x4, 0x1, 0x9}]}})
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x74}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x14, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0xbd5a9c}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x0, 0x7, 0x0, 0x1, [{}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '^'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, ')]'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x4}]}, 0xffffffffffffffd4}}, 0x0)

15:42:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2822.594363] nbd: must specify at least one socket
[ 2822.600554] nbd: must specify a device to reconfigure
[ 2822.610341] nbd: must specify a device to reconfigure
[ 2822.621763] nbd: must specify a size in bytes for the device
15:42:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x14, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0xbd5a9c}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x0, 0x7, 0x0, 0x1, [{}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '^'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, ')]'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x4}]}, 0xffffffffffffffd4}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x14, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0xbd5a9c}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x0, 0x7, 0x0, 0x1, [{}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '^'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, ')]'}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x4}]}, 0xffffffffffffffd4}}, 0x0) (async)

15:42:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 1:
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
ioctl$UI_END_FF_UPLOAD(r0, 0x406855c9, &(0x7f0000000040)={0x0, 0x6, {0x2f, 0x400, 0x1f, {0x3, 0x8}, {0x5, 0x1}, @const={0x3, {0x4, 0x8, 0xfffd, 0x1}}}, {0x52, 0x80, 0x8, {0xadf, 0x5}, {0x4, 0x7}, @const={0x9, {0x8000, 0xde83, 0x1ff, 0x4}}}}) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$UI_BEGIN_FF_UPLOAD(r0, 0xc06855c8, &(0x7f00000000c0)={0x8, 0x5, {0x55, 0x1ff, 0x4, {0xe4, 0x800}, {0x5, 0x6}, @cond=[{0x0, 0x7, 0x30, 0x2, 0x40, 0x1}, {0x80, 0x1, 0x1000, 0xf9b2, 0xce, 0x9}]}, {0x57, 0x4, 0x1f, {0x6, 0x3}, {0x8, 0x7}, @cond=[{0x6, 0x1f, 0x0, 0x2, 0x3, 0x5}, {0x6, 0xfd6d, 0x3, 0x4, 0x1, 0x9}]}}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r2, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

[ 2822.799207] nbd: must specify a device to reconfigure
[ 2822.808671] nbd: must specify a device to reconfigure
15:42:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="14032042c365499d278248b2e5e36a1e59218490b07c6335b85970d59e2f2bea0f65c46c7fc8aae31b", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0)

15:42:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x80, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r6=>0xffffffffffffffff})
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0)
r8 = socket(0x5, 0x4, 0x10000)
r9 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
r10 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r10, 0x5016, 0x0)
r11 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r11, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x88, r4, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'[@'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x1080}, 0x4044000)
r12 = getpgid(0x0)
syz_open_procfs$namespace(r12, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r9, 0xc1105517, &(0x7f0000000380)={{0x5, 0x1, 0x8621, 0xe87, 'syz0\x00', 0x4}, 0x1, 0x112, 0x2, r12, 0x1, 0x80000000, 'syz0\x00', &(0x7f0000000340)=['\'[@'], 0x3})

[ 2822.892773] nbd: must specify at least one socket
[ 2822.898886] nbd: must specify a device to reconfigure
15:42:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="14032042c365499d278248b2e5e36a1e59218490b07c6335b85970d59e2f2bea0f65c46c7fc8aae31b", @ANYRES16=r1, @ANYBLOB="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"], 0x14}}, 0x0)

[ 2823.032396] nla_parse: 145 callbacks suppressed
[ 2823.032403] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
[ 2823.050033] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
15:42:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r6=>0xffffffffffffffff}) (async)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0) (async)
r8 = socket(0x5, 0x4, 0x10000) (async)
r9 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) (async)
r10 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r10, 0x5016, 0x0) (async)
r11 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r11, 0x5016, 0x0) (async, rerun: 32)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x88, r4, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'[@'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x1080}, 0x4044000) (async, rerun: 32)
r12 = getpgid(0x0)
syz_open_procfs$namespace(r12, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r9, 0xc1105517, &(0x7f0000000380)={{0x5, 0x1, 0x8621, 0xe87, 'syz0\x00', 0x4}, 0x1, 0x112, 0x2, r12, 0x1, 0x80000000, 'syz0\x00', &(0x7f0000000340)=['\'[@'], 0x3})

[ 2823.100295] nbd: must specify a device to reconfigure
[ 2823.105552] nbd: must specify a device to reconfigure
[ 2823.122431] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2823.139958] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="14032042c365499d278248b2e5e36a1e59218490b07c6335b85970d59e2f2bea0f65c46c7fc8aae31b", @ANYRES16=r1, @ANYBLOB="98c74e88a28103962d280000000000000039073c65c13aa416a6f0f9d19ba5d8965717aca59649a8b6e27b7fb2d4025753751b5ea4a8bb1a548234a0f84557aac0947966a6fbaccbb8d750a396d65109e1831fc853cbc5f7314d4b1cabd73cde45197abe2135b7ad70745e078f1b91ff9a75cd7abfdacd9bc120385aed09b8121cb7a0130ed1329983b85640cc02cd9398b7c3afa7e16dbae25fb9f802208511d9817bc6576d570f52220668687e0ff84e13f09d385d6012b9ab40a9d82f507291d3161dc5dd8ca15e0370c9a6cd2e3f3c0010ce44831cc0ae94c07fc44b0b37303856d60e8bb5312c593c6adf397a0198ca1df25a744ffd4af286045351252d56d351856ddda1ae78d0c45fd839c5ac845e813b04b80f0ef7b661fd0305c336bb68059c19558c5e6998e6e8"], 0x14}}, 0x0)

[ 2823.201046] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2823.233201] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
15:42:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r6=>0xffffffffffffffff}) (async)
r7 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r7, 0x5016, 0x0) (async)
r8 = socket(0x5, 0x4, 0x10000) (async)
r9 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
r10 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r10, 0x5016, 0x0) (async)
r11 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
ioctl$SNDCTL_DSP_SETDUPLEX(r11, 0x5016, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x88, r4, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r11}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'[@'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x88}, 0x1, 0x0, 0x0, 0x1080}, 0x4044000) (async)
r12 = getpgid(0x0)
syz_open_procfs$namespace(r12, 0x0) (async)
ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r9, 0xc1105517, &(0x7f0000000380)={{0x5, 0x1, 0x8621, 0xe87, 'syz0\x00', 0x4}, 0x1, 0x112, 0x2, r12, 0x1, 0x80000000, 'syz0\x00', &(0x7f0000000340)=['\'[@'], 0x3})

[ 2823.303687] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
15:42:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x80, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01ee0000000000000000030000ff9094463927ba5443996ea0be35aa0000000000000000"], 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000500)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0xd728734ef9f98bdd}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x34, r7, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '3+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x24010051}, 0x8805)
bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000400)={0x20}, 0x8)
r8 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r8, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x14, r8, 0x800, 0x70bd2a, 0x25dfdbfe, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x850}, 0x4040040)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r9)
syz_open_dev$usbmon(&(0x7f0000000000), 0xfffffffffffffbff, 0x100)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x22}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r10, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}]}, 0x28}}, 0x0)

[ 2823.388929] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2823.405845] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
15:42:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2823.509752] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
15:42:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x7c}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$UI_BEGIN_FF_ERASE(0xffffffffffffffff, 0xc00c55ca, &(0x7f0000000000)={0xf, 0xfffffff8, 0x5})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x80, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x80}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2823.630164] nbd: must specify a device to reconfigure
15:42:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$UI_BEGIN_FF_ERASE(0xffffffffffffffff, 0xc00c55ca, &(0x7f0000000000)={0xf, 0xfffffff8, 0x5})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)

15:42:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x85}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

[ 2823.685144] nbd: must specify at least one socket
[ 2823.693786] nbd: must specify a device to reconfigure
15:42:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x14, r1, 0x1, 0x0, 0x25dfdbfb}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd30}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}]}, 0x88}, 0x1, 0x0, 0x0, 0x1}, 0x20004004)

15:42:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r0) (async)
syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01ee0000000000000000030000ff9094463927ba5443996ea0be35aa0000000000000000"], 0x14}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000880), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r6)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000500)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0xd728734ef9f98bdd}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x34, r7, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '3+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x24010051}, 0x8805) (async)
bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000400)={0x20}, 0x8)
r8 = syz_genetlink_get_family_id$net_dm(&(0x7f0000000040), r4)
sendmsg$NET_DM_CMD_START(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r8, 0x94856f4250972317}, 0x14}}, 0x0)
sendmsg$NET_DM_CMD_STOP(r3, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x14, r8, 0x800, 0x70bd2a, 0x25dfdbfe, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x850}, 0x4040040)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r9)
syz_open_dev$usbmon(&(0x7f0000000000), 0xfffffffffffffbff, 0x100) (async)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="01002abd7000fcdbdf2501"], 0x34}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x22}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r10, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}]}, 0x28}}, 0x0)

[ 2823.726355] nbd: must specify a device to reconfigure
[ 2823.732979] nbd: must specify at least one socket
[ 2823.808938] ==================================================================
[ 2823.816458] BUG: KASAN: use-after-free in refcount_dec_not_one+0x9a/0xc0
[ 2823.823289] Read of size 4 at addr ffff8880aaa7f418 by task syz-executor.0/24917
[ 2823.830826] 
[ 2823.832438] CPU: 1 PID: 24917 Comm: syz-executor.0 Not tainted 4.14.307-syzkaller #0
[ 2823.840296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 2823.849634] Call Trace:
[ 2823.852222]  dump_stack+0x1b2/0x281
[ 2823.855845]  print_address_description.cold+0x54/0x1d3
[ 2823.861108]  kasan_report_error.cold+0x8a/0x191
[ 2823.865848]  ? refcount_dec_not_one+0x9a/0xc0
[ 2823.870319]  __asan_report_load4_noabort+0x68/0x70
[ 2823.875235]  ? refcount_dec_not_one+0x9a/0xc0
[ 2823.879721]  refcount_dec_not_one+0x9a/0xc0
[ 2823.884042]  refcount_dec_and_mutex_lock+0x1a/0x60
[ 2823.889236]  nbd_genl_connect+0xce1/0x13e0
[ 2823.893453]  ? nbd_xmit_timeout+0x500/0x500
[ 2823.897844]  ? validate_nla+0x192/0x5e0
[ 2823.901802]  genl_family_rcv_msg+0x572/0xb20
[ 2823.906191]  ? genl_rcv+0x40/0x40
[ 2823.909626]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 2823.915059]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 2823.920140]  ? trace_hardirqs_on+0x10/0x10
[ 2823.924356]  genl_rcv_msg+0xaf/0x140
[ 2823.928046]  netlink_rcv_skb+0x125/0x390
[ 2823.932102]  ? genl_family_rcv_msg+0xb20/0xb20
[ 2823.936669]  ? netlink_ack+0x9a0/0x9a0
[ 2823.940539]  ? lock_acquire+0x170/0x3f0
[ 2823.944496]  genl_rcv+0x24/0x40
[ 2823.947839]  netlink_unicast+0x437/0x610
[ 2823.951896]  ? netlink_sendskb+0xd0/0xd0
[ 2823.955939]  ? __check_object_size+0x179/0x230
[ 2823.960508]  netlink_sendmsg+0x651/0xbc0
[ 2823.964551]  ? nlmsg_notify+0x1b0/0x1b0
[ 2823.968513]  ? kernel_recvmsg+0x210/0x210
[ 2823.972649]  ? security_socket_sendmsg+0x83/0xb0
[ 2823.977386]  ? nlmsg_notify+0x1b0/0x1b0
[ 2823.981340]  sock_sendmsg+0xb5/0x100
[ 2823.985028]  ___sys_sendmsg+0x6c8/0x800
[ 2823.989072]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 2823.993817]  ? do_sys_open+0x203/0x410
[ 2823.997684]  ? do_syscall_64+0x1d5/0x640
[ 2824.001723]  ? entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2824.007086]  ? do_futex+0x127/0x1570
[ 2824.010818]  ? __fget+0x23e/0x3e0
[ 2824.014266]  ? lock_acquire+0x170/0x3f0
[ 2824.018224]  ? lock_downgrade+0x740/0x740
[ 2824.023230]  ? __fdget+0x19b/0x1f0
[ 2824.026766]  ? sockfd_lookup_light+0xb2/0x160
[ 2824.031238]  __sys_sendmsg+0xa3/0x120
[ 2824.035031]  ? SyS_shutdown+0x160/0x160
[ 2824.039082]  SyS_sendmsg+0x27/0x40
[ 2824.042615]  ? __sys_sendmsg+0x120/0x120
[ 2824.046660]  do_syscall_64+0x1d5/0x640
[ 2824.050547]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2824.055831] RIP: 0033:0x7fc5f89ad0f9
[ 2824.059517] RSP: 002b:00007fc5f6f1f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2824.067203] RAX: ffffffffffffffda RBX: 00007fc5f8accf80 RCX: 00007fc5f89ad0f9
[ 2824.074455] RDX: 0000000020004004 RSI: 0000000020000200 RDI: 0000000000000006
[ 2824.081702] RBP: 00007fc5f8a08ae9 R08: 0000000000000000 R09: 0000000000000000
[ 2824.088969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 2824.096227] R13: 00007ffc7a213ddf R14: 00007fc5f6f1f300 R15: 0000000000022000
[ 2824.103495] 
[ 2824.105108] Allocated by task 24903:
[ 2824.108808]  kasan_kmalloc+0xeb/0x160
[ 2824.112592]  kmem_cache_alloc_trace+0x131/0x3d0
[ 2824.117241]  nbd_dev_add+0x7c/0x800
[ 2824.120846]  nbd_genl_connect+0x3a4/0x13e0
[ 2824.125055]  genl_family_rcv_msg+0x572/0xb20
[ 2824.129434]  genl_rcv_msg+0xaf/0x140
[ 2824.133123]  netlink_rcv_skb+0x125/0x390
[ 2824.137160]  genl_rcv+0x24/0x40
[ 2824.140413]  netlink_unicast+0x437/0x610
[ 2824.144453]  netlink_sendmsg+0x651/0xbc0
[ 2824.148507]  sock_sendmsg+0xb5/0x100
[ 2824.152195]  ___sys_sendmsg+0x6c8/0x800
[ 2824.156144]  __sys_sendmsg+0xa3/0x120
[ 2824.159919]  SyS_sendmsg+0x27/0x40
[ 2824.163434]  do_syscall_64+0x1d5/0x640
[ 2824.167297]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2824.172458] 
[ 2824.174058] Freed by task 24917:
[ 2824.177410]  kasan_slab_free+0xc3/0x1a0
[ 2824.181364]  kfree+0xc9/0x250
[ 2824.184444]  nbd_put.part.0+0x100/0x140
[ 2824.188414]  nbd_config_put+0x51c/0x6c0
[ 2824.192366]  nbd_genl_connect+0xcb9/0x13e0
[ 2824.196576]  genl_family_rcv_msg+0x572/0xb20
[ 2824.200959]  genl_rcv_msg+0xaf/0x140
[ 2824.204659]  netlink_rcv_skb+0x125/0x390
[ 2824.208704]  genl_rcv+0x24/0x40
[ 2824.211975]  netlink_unicast+0x437/0x610
[ 2824.216015]  netlink_sendmsg+0x651/0xbc0
[ 2824.220055]  sock_sendmsg+0xb5/0x100
[ 2824.223759]  ___sys_sendmsg+0x6c8/0x800
[ 2824.227717]  __sys_sendmsg+0xa3/0x120
[ 2824.231499]  SyS_sendmsg+0x27/0x40
[ 2824.235033]  do_syscall_64+0x1d5/0x640
[ 2824.238896]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2824.244075] 
[ 2824.245680] The buggy address belongs to the object at ffff8880aaa7f340
[ 2824.245680]  which belongs to the cache kmalloc-512 of size 512
[ 2824.258309] The buggy address is located 216 bytes inside of
[ 2824.258309]  512-byte region [ffff8880aaa7f340, ffff8880aaa7f540)
[ 2824.270156] The buggy address belongs to the page:
[ 2824.275061] page:ffffea0002aa9fc0 count:1 mapcount:0 mapping:ffff8880aaa7f0c0 index:0x0
[ 2824.283180] flags: 0xfff00000000100(slab)
[ 2824.287318] raw: 00fff00000000100 ffff8880aaa7f0c0 0000000000000000 0000000100000006
[ 2824.295180] raw: ffffea0002a61660 ffffea0002944460 ffff88813fe74940 0000000000000000
[ 2824.303033] page dumped because: kasan: bad access detected
[ 2824.308713] 
[ 2824.310317] Memory state around the buggy address:
[ 2824.315232]  ffff8880aaa7f300: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
[ 2824.322571]  ffff8880aaa7f380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2824.330012] >ffff8880aaa7f400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2824.337345]                             ^
[ 2824.341486]  ffff8880aaa7f480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2824.348830]  ffff8880aaa7f500: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 2824.356161] ==================================================================
[ 2824.363491] Disabling lock debugging due to kernel taint
[ 2824.373294] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 2824.373294] 
[ 2824.381300] CPU: 0 PID: 24917 Comm: syz-executor.0 Tainted: G    B           4.14.307-syzkaller #0
[ 2824.390386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 2824.399732] Call Trace:
[ 2824.402338]  dump_stack+0x1b2/0x281
[ 2824.405986]  panic+0x21d/0x451
[ 2824.409165]  ? add_taint.cold+0x16/0x16
[ 2824.413125]  ? ___preempt_schedule+0x16/0x18
[ 2824.417517]  ? preempt_schedule_common+0x45/0xc0
[ 2824.422273]  ? ___preempt_schedule+0x16/0x18
[ 2824.426669]  check_panic_on_warn.cold+0x19/0x35
[ 2824.431320]  kasan_end_report+0x3a/0x40
[ 2824.435288]  kasan_report_error.cold+0xa7/0x191
[ 2824.439945]  ? refcount_dec_not_one+0x9a/0xc0
[ 2824.444424]  __asan_report_load4_noabort+0x68/0x70
[ 2824.449359]  ? refcount_dec_not_one+0x9a/0xc0
[ 2824.453856]  refcount_dec_not_one+0x9a/0xc0
[ 2824.458168]  refcount_dec_and_mutex_lock+0x1a/0x60
[ 2824.463102]  nbd_genl_connect+0xce1/0x13e0
[ 2824.467334]  ? nbd_xmit_timeout+0x500/0x500
[ 2824.471652]  ? validate_nla+0x192/0x5e0
[ 2824.475639]  genl_family_rcv_msg+0x572/0xb20
[ 2824.480055]  ? genl_rcv+0x40/0x40
[ 2824.483495]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 2824.488930]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 2824.494130]  ? trace_hardirqs_on+0x10/0x10
[ 2824.498343]  genl_rcv_msg+0xaf/0x140
[ 2824.502041]  netlink_rcv_skb+0x125/0x390
[ 2824.506091]  ? genl_family_rcv_msg+0xb20/0xb20
[ 2824.510665]  ? netlink_ack+0x9a0/0x9a0
[ 2824.514636]  ? lock_acquire+0x170/0x3f0
[ 2824.518611]  genl_rcv+0x24/0x40
[ 2824.521873]  netlink_unicast+0x437/0x610
[ 2824.525950]  ? netlink_sendskb+0xd0/0xd0
[ 2824.529997]  ? __check_object_size+0x179/0x230
[ 2824.534564]  netlink_sendmsg+0x651/0xbc0
[ 2824.538616]  ? nlmsg_notify+0x1b0/0x1b0
[ 2824.542599]  ? kernel_recvmsg+0x210/0x210
[ 2824.546735]  ? security_socket_sendmsg+0x83/0xb0
[ 2824.551498]  ? nlmsg_notify+0x1b0/0x1b0
[ 2824.555555]  sock_sendmsg+0xb5/0x100
[ 2824.559252]  ___sys_sendmsg+0x6c8/0x800
[ 2824.563216]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 2824.567961]  ? do_sys_open+0x203/0x410
[ 2824.571848]  ? do_syscall_64+0x1d5/0x640
[ 2824.575901]  ? entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2824.581272]  ? do_futex+0x127/0x1570
[ 2824.585167]  ? __fget+0x23e/0x3e0
[ 2824.588625]  ? lock_acquire+0x170/0x3f0
[ 2824.592620]  ? lock_downgrade+0x740/0x740
[ 2824.596754]  ? __fdget+0x19b/0x1f0
[ 2824.600280]  ? sockfd_lookup_light+0xb2/0x160
[ 2824.604754]  __sys_sendmsg+0xa3/0x120
[ 2824.608651]  ? SyS_shutdown+0x160/0x160
[ 2824.612692]  SyS_sendmsg+0x27/0x40
[ 2824.616216]  ? __sys_sendmsg+0x120/0x120
[ 2824.620262]  do_syscall_64+0x1d5/0x640
[ 2824.624142]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2824.629311] RIP: 0033:0x7fc5f89ad0f9
[ 2824.633057] RSP: 002b:00007fc5f6f1f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2824.640870] RAX: ffffffffffffffda RBX: 00007fc5f8accf80 RCX: 00007fc5f89ad0f9
[ 2824.648123] RDX: 0000000020004004 RSI: 0000000020000200 RDI: 0000000000000006
[ 2824.655495] RBP: 00007fc5f8a08ae9 R08: 0000000000000000 R09: 0000000000000000
[ 2824.662839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 2824.670114] R13: 00007ffc7a213ddf R14: 00007fc5f6f1f300 R15: 0000000000022000
[ 2824.677593] Kernel Offset: disabled
[ 2824.681212] Rebooting in 86400 seconds..