T(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1899.741360] nbd: must specify at least one socket
16:35:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1899.766404] nbd: must specify at least one socket
16:35:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1899.811319] nbd: must specify a size in bytes for the device
16:35:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 5:
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(&(0x7f00000005c0), r0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)

16:35:29 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1900.190000] nbd: must specify a size in bytes for the device
16:35:29 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)

16:35:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1900.277370] nbd: must specify a size in bytes for the device
16:35:29 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)

16:35:29 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1900.340290] nbd: must specify a size in bytes for the device
16:35:29 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:29 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)

[ 1900.529030] nbd: must specify a size in bytes for the device
16:35:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r0)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:29 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:29 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:29 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:29 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1901.066376] nbd: must specify at least one socket
16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1901.166180] nbd: must specify at least one socket
16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1901.296637] nbd: must specify at least one socket
16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1901.865586] nbd: must specify a size in bytes for the device
16:35:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:30 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

[ 1901.950206] nbd: must specify a size in bytes for the device
16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1902.027671] nbd: must specify a size in bytes for the device
16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1902.443277] nbd: must specify at least one socket
16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:31 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1902.513819] nbd: must specify at least one socket
16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1902.601866] nbd: must specify at least one socket
16:35:31 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:31 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1902.764569] nbd: must specify at least one socket
16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

16:35:31 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:31 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

[ 1902.848335] nbd: must specify a size in bytes for the device
[ 1902.879036] nbd: must specify at least one socket
16:35:31 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1902.938623] nbd: must specify a size in bytes for the device
[ 1902.967322] nbd: must specify at least one socket
16:35:32 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1903.029881] nbd: must specify a size in bytes for the device
[ 1903.061247] nbd: must specify a size in bytes for the device
16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1903.187606] nbd: must specify a size in bytes for the device
16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1903.257174] nbd: must specify a size in bytes for the device
16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:32 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1904.370201] nbd: must specify at least one socket
16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1904.461665] nbd: must specify at least one socket
16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1904.577089] nbd: must specify at least one socket
16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

16:35:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}}, 0x0)

16:35:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1904.966132] nbd: must specify a size in bytes for the device
16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)

16:35:34 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)

16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1905.069722] nbd: must specify a size in bytes for the device
[ 1905.100428] nbd: must specify at least one socket
[ 1905.105922] nbd: must specify at least one socket
16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1905.165711] nbd: must specify at least one socket
16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

[ 1905.187657] nbd: must specify a size in bytes for the device
[ 1905.211632] nbd: must specify at least one socket
16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1905.259380] nbd: must specify at least one socket
16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1905.325421] nbd: must specify a size in bytes for the device
16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1905.423944] nbd: must specify a size in bytes for the device
16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1905.912647] nbd: must specify a size in bytes for the device
16:35:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

[ 1906.025709] nbd: must specify a size in bytes for the device
16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1906.288483] nbd: must specify a size in bytes for the device
16:35:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1906.486574] nbd: must specify a size in bytes for the device
16:35:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1906.831203] nbd: must specify at least one socket
16:35:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x48, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

[ 1907.165814] nbd: must specify at least one socket
16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1907.412703] nbd: must specify at least one socket
16:35:36 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040))
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:36 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040))
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x88, r4, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xce2e}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x63d80000000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x88}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:36 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1907.630229] nbd: must specify a size in bytes for the device
16:35:36 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r1, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0), 0xc, &(0x7f0000000000)={&(0x7f0000000140)={0x2c, r1, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
r5 = syz_open_procfs(0x0, &(0x7f0000000080)='net/vlan/vlan0\x00')
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
socket$inet_udp(0x2, 0x2, 0x0)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000180)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r7=>0xffffffffffffffff, @ANYBLOB="0200000000000000130706746c653000"])
r8 = getpid()
sched_getattr(r8, &(0x7f0000000100)={0x38}, 0x38, 0x0)
r9 = syz_open_procfs(r8, &(0x7f0000000380)='setgroups\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0xb0, r4, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x200}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0xb0}, 0x1, 0x0, 0x0, 0x800}, 0x4000)

16:35:36 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, {0xe8}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000100), 0x60000, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)={0xd8, r2, 0xa00, 0x70bd2a, 0x25dfdbf8, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}]}, 0xd8}, 0x1, 0x0, 0x0, 0x20000000}, 0x20080815)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r1)

16:35:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x840)

16:35:36 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:36 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (fail_nth: 1)

[ 1907.724214] nbd: must specify a size in bytes for the device
16:35:36 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:36 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (fail_nth: 1)

16:35:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (fail_nth: 1)

16:35:36 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1907.818928] FAULT_INJECTION: forcing a failure.
[ 1907.818928] name failslab, interval 1, probability 0, space 0, times 0
[ 1907.865270] CPU: 0 PID: 10918 Comm: syz-executor.4 Not tainted 4.14.261-syzkaller #0
[ 1907.873185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1907.882536] Call Trace:
[ 1907.885124]  dump_stack+0x1b2/0x281
[ 1907.888760]  should_fail.cold+0x10a/0x149
[ 1907.892923]  should_failslab+0xd6/0x130
[ 1907.896900]  kmem_cache_alloc_node+0x263/0x410
[ 1907.901596]  __alloc_skb+0x5c/0x510
[ 1907.901780] FAULT_INJECTION: forcing a failure.
[ 1907.901780] name failslab, interval 1, probability 0, space 0, times 0
[ 1907.905222]  netlink_sendmsg+0x91e/0xbc0
[ 1907.905236]  ? nlmsg_notify+0x1b0/0x1b0
[ 1907.905243]  ? kernel_recvmsg+0x210/0x210
[ 1907.905256]  ? security_socket_sendmsg+0x83/0xb0
[ 1907.905263]  ? nlmsg_notify+0x1b0/0x1b0
[ 1907.905272]  sock_sendmsg+0xb5/0x100
[ 1907.905283]  ___sys_sendmsg+0x6c8/0x800
[ 1907.905292]  ? get_pid_task+0x91/0x130
[ 1907.905299]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1907.905312]  ? lock_downgrade+0x740/0x740
[ 1907.905329]  ? lock_acquire+0x170/0x3f0
[ 1907.961876]  ? lock_downgrade+0x740/0x740
[ 1907.966030]  ? __fget+0x2df/0x460
[ 1907.969487]  ? __fdget+0x19b/0x1f0
[ 1907.973030]  ? sockfd_lookup_light+0xb2/0x160
[ 1907.977521]  __sys_sendmsg+0xa3/0x120
[ 1907.981323]  ? SyS_shutdown+0x160/0x160
[ 1907.985295]  ? wait_for_completion_io+0x10/0x10
[ 1907.989964]  ? SyS_read+0x210/0x210
[ 1907.993704]  ? __do_page_fault+0x159/0xad0
[ 1907.997942]  SyS_sendmsg+0x27/0x40
[ 1908.001484]  ? __sys_sendmsg+0x120/0x120
[ 1908.005545]  do_syscall_64+0x1d5/0x640
[ 1908.009434]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1908.014617] RIP: 0033:0x7f7ccae78e99
[ 1908.018314] RSP: 002b:00007f7cc97ee168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1908.026014] RAX: ffffffffffffffda RBX: 00007f7ccaf8bf60 RCX: 00007f7ccae78e99
[ 1908.033278] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1908.040541] RBP: 00007f7cc97ee1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1908.047803] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1908.055061] R13: 00007ffe91874faf R14: 00007f7cc97ee300 R15: 0000000000022000
[ 1908.073664] CPU: 1 PID: 10932 Comm: syz-executor.2 Not tainted 4.14.261-syzkaller #0
[ 1908.079886] FAULT_INJECTION: forcing a failure.
[ 1908.079886] name failslab, interval 1, probability 0, space 0, times 0
[ 1908.081563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1908.081567] Call Trace:
[ 1908.081583]  dump_stack+0x1b2/0x281
[ 1908.081604]  should_fail.cold+0x10a/0x149
[ 1908.112963]  should_failslab+0xd6/0x130
[ 1908.116940]  kmem_cache_alloc_node+0x263/0x410
[ 1908.121507]  __alloc_skb+0x5c/0x510
[ 1908.125122]  netlink_sendmsg+0x91e/0xbc0
[ 1908.129180]  ? nlmsg_notify+0x1b0/0x1b0
[ 1908.133144]  ? kernel_recvmsg+0x210/0x210
[ 1908.137298]  ? security_socket_sendmsg+0x83/0xb0
[ 1908.142053]  ? nlmsg_notify+0x1b0/0x1b0
[ 1908.146022]  sock_sendmsg+0xb5/0x100
[ 1908.149729]  ___sys_sendmsg+0x6c8/0x800
[ 1908.153691]  ? get_pid_task+0x91/0x130
[ 1908.157565]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1908.162313]  ? lock_downgrade+0x740/0x740
[ 1908.166794]  ? lock_acquire+0x170/0x3f0
[ 1908.170841]  ? lock_downgrade+0x740/0x740
[ 1908.174996]  ? __fget+0x2df/0x460
[ 1908.178444]  ? __fdget+0x19b/0x1f0
[ 1908.181972]  ? sockfd_lookup_light+0xb2/0x160
[ 1908.186450]  __sys_sendmsg+0xa3/0x120
[ 1908.190242]  ? SyS_shutdown+0x160/0x160
[ 1908.194214]  ? wait_for_completion_io+0x10/0x10
[ 1908.198885]  ? SyS_read+0x210/0x210
[ 1908.202506]  ? __do_page_fault+0x159/0xad0
[ 1908.206729]  SyS_sendmsg+0x27/0x40
[ 1908.210250]  ? __sys_sendmsg+0x120/0x120
[ 1908.214296]  do_syscall_64+0x1d5/0x640
[ 1908.218189]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1908.223365] RIP: 0033:0x7f57ca9e9e99
[ 1908.227064] RSP: 002b:00007f57c933e168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1908.234762] RAX: ffffffffffffffda RBX: 00007f57caafd030 RCX: 00007f57ca9e9e99
[ 1908.242016] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1908.249279] RBP: 00007f57c933e1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1908.256534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1908.263794] R13: 00007ffe84cb1b7f R14: 00007f57c933e300 R15: 0000000000022000
[ 1908.271121] CPU: 0 PID: 10934 Comm: syz-executor.3 Not tainted 4.14.261-syzkaller #0
[ 1908.279087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1908.288431] Call Trace:
[ 1908.291019]  dump_stack+0x1b2/0x281
[ 1908.294652]  should_fail.cold+0x10a/0x149
[ 1908.298801]  should_failslab+0xd6/0x130
[ 1908.302779]  kmem_cache_alloc_node+0x263/0x410
[ 1908.307374]  __alloc_skb+0x5c/0x510
[ 1908.311013]  netlink_sendmsg+0x91e/0xbc0
[ 1908.315076]  ? nlmsg_notify+0x1b0/0x1b0
[ 1908.319041]  ? kernel_recvmsg+0x210/0x210
[ 1908.323194]  ? security_socket_sendmsg+0x83/0xb0
[ 1908.327944]  ? nlmsg_notify+0x1b0/0x1b0
[ 1908.331913]  sock_sendmsg+0xb5/0x100
[ 1908.335623]  ___sys_sendmsg+0x6c8/0x800
[ 1908.339594]  ? get_pid_task+0x91/0x130
[ 1908.343477]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1908.348228]  ? lock_downgrade+0x740/0x740
[ 1908.352376]  ? lock_acquire+0x170/0x3f0
[ 1908.356344]  ? lock_downgrade+0x740/0x740
[ 1908.360494]  ? __fget+0x2df/0x460
[ 1908.363948]  ? __fdget+0x19b/0x1f0
[ 1908.367482]  ? sockfd_lookup_light+0xb2/0x160
16:35:37 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:37 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:37 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

16:35:37 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:37 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

[ 1908.371976]  __sys_sendmsg+0xa3/0x120
[ 1908.375774]  ? SyS_shutdown+0x160/0x160
[ 1908.379742]  ? wait_for_completion_io+0x10/0x10
[ 1908.384413]  ? SyS_read+0x210/0x210
[ 1908.388037]  ? __do_page_fault+0x159/0xad0
[ 1908.392270]  SyS_sendmsg+0x27/0x40
[ 1908.395805]  ? __sys_sendmsg+0x120/0x120
[ 1908.399861]  do_syscall_64+0x1d5/0x640
[ 1908.403753]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1908.408939] RIP: 0033:0x7f736ed8ce99
[ 1908.412641] RSP: 002b:00007f736d6e1168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1908.420345] RAX: ffffffffffffffda RBX: 00007f736eea0030 RCX: 00007f736ed8ce99
[ 1908.427606] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1908.434955] RBP: 00007f736d6e11d0 R08: 0000000000000000 R09: 0000000000000000
[ 1908.442220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1908.449489] R13: 00007ffd93808baf R14: 00007f736d6e1300 R15: 0000000000022000
16:35:37 executing program 5:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (fail_nth: 2)

16:35:37 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1908.665067] FAULT_INJECTION: forcing a failure.
[ 1908.665067] name failslab, interval 1, probability 0, space 0, times 0
[ 1908.689513] CPU: 0 PID: 10979 Comm: syz-executor.4 Not tainted 4.14.261-syzkaller #0
[ 1908.699232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1908.708598] Call Trace:
[ 1908.711187]  dump_stack+0x1b2/0x281
[ 1908.714820]  should_fail.cold+0x10a/0x149
[ 1908.718970]  should_failslab+0xd6/0x130
[ 1908.722955]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1908.728063]  __kmalloc_node_track_caller+0x38/0x70
[ 1908.732999]  __alloc_skb+0x96/0x510
[ 1908.736626]  netlink_sendmsg+0x91e/0xbc0
[ 1908.740702]  ? nlmsg_notify+0x1b0/0x1b0
[ 1908.744674]  ? kernel_recvmsg+0x210/0x210
[ 1908.749263]  ? security_socket_sendmsg+0x83/0xb0
[ 1908.754015]  ? nlmsg_notify+0x1b0/0x1b0
[ 1908.757987]  sock_sendmsg+0xb5/0x100
[ 1908.761701]  ___sys_sendmsg+0x6c8/0x800
[ 1908.765853]  ? get_pid_task+0x91/0x130
[ 1908.769738]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1908.774495]  ? lock_downgrade+0x740/0x740
[ 1908.778654]  ? lock_acquire+0x170/0x3f0
[ 1908.782631]  ? lock_downgrade+0x740/0x740
[ 1908.786779]  ? __fget+0x2df/0x460
[ 1908.790234]  ? __fdget+0x19b/0x1f0
[ 1908.793774]  ? sockfd_lookup_light+0xb2/0x160
[ 1908.798272]  __sys_sendmsg+0xa3/0x120
[ 1908.802333]  ? SyS_shutdown+0x160/0x160
[ 1908.806314]  ? wait_for_completion_io+0x10/0x10
[ 1908.810989]  ? SyS_read+0x210/0x210
[ 1908.814625]  ? __do_page_fault+0x159/0xad0
[ 1908.818861]  SyS_sendmsg+0x27/0x40
[ 1908.822396]  ? __sys_sendmsg+0x120/0x120
[ 1908.826451]  do_syscall_64+0x1d5/0x640
[ 1908.830430]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1908.835633] RIP: 0033:0x7f7ccae78e99
[ 1908.839338] RSP: 002b:00007f7cc97ee168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1908.847045] RAX: ffffffffffffffda RBX: 00007f7ccaf8bf60 RCX: 00007f7ccae78e99
[ 1908.854315] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
16:35:37 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000100"], 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="30008000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:37 executing program 5:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:37 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = getpid()
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sched_getattr(r2, &(0x7f0000000100)={0x38}, 0x38, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=ANY=[@ANYBLOB="c363503235260eeae4fdee22195fea6d30da99adce73a2d15fcab35a23028992253f79cf8c96", @ANYRES64=r1, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780", @ANYRES64=r0, @ANYBLOB="6c9a22ef593dc8ec448c392627f993757f89849552f520793e875fde4294e8c898496eed0c05c66fc4902aa3574df50e59eebf556d0ebe570446d702ad42e443a7e3809fb1fdfb904836da86a8c484ae4d8b6da3b4231c83ed8af9275a54cc9944e1e637c89922857e0355dfd04502d150337f59a4ac2779b26d7dcf3fb0203a95d498291378136aaf9dd37755a40f9d2cb6226b2da4f7a1452a95cbf4fa8325aa16df54df49ed704dfe5b30db76bd3cf3c4b7bedbed18db824cb899810fb8d119820918136ac550001cff272641af2e47", @ANYRESDEC=r2], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1908.861588] RBP: 00007f7cc97ee1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1908.868856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1908.876124] R13: 00007ffe91874faf R14: 00007f7cc97ee300 R15: 0000000000022000
16:35:37 executing program 5:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r2 = getpid()
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sched_getattr(r2, &(0x7f0000000100)={0x38}, 0x38, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=ANY=[@ANYBLOB="c363503235260eeae4fdee22195fea6d30da99adce73a2d15fcab35a23028992253f79cf8c96", @ANYRES64=r1, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780", @ANYRES64=r0, @ANYBLOB="6c9a22ef593dc8ec448c392627f993757f89849552f520793e875fde4294e8c898496eed0c05c66fc4902aa3574df50e59eebf556d0ebe570446d702ad42e443a7e3809fb1fdfb904836da86a8c484ae4d8b6da3b4231c83ed8af9275a54cc9944e1e637c89922857e0355dfd04502d150337f59a4ac2779b26d7dcf3fb0203a95d498291378136aaf9dd37755a40f9d2cb6226b2da4f7a1452a95cbf4fa8325aa16df54df49ed704dfe5b30db76bd3cf3c4b7bedbed18db824cb899810fb8d119820918136ac550001cff272641af2e47", @ANYRESDEC=r2], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:38 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:38 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000100"], 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="30008000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000100"], 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="30008000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:38 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:38 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (fail_nth: 3)

16:35:38 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = getpid() (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sched_getattr(r2, &(0x7f0000000100)={0x38}, 0x38, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=ANY=[@ANYBLOB="c363503235260eeae4fdee22195fea6d30da99adce73a2d15fcab35a23028992253f79cf8c96", @ANYRES64=r1, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780", @ANYRES64=r0, @ANYBLOB="6c9a22ef593dc8ec448c392627f993757f89849552f520793e875fde4294e8c898496eed0c05c66fc4902aa3574df50e59eebf556d0ebe570446d702ad42e443a7e3809fb1fdfb904836da86a8c484ae4d8b6da3b4231c83ed8af9275a54cc9944e1e637c89922857e0355dfd04502d150337f59a4ac2779b26d7dcf3fb0203a95d498291378136aaf9dd37755a40f9d2cb6226b2da4f7a1452a95cbf4fa8325aa16df54df49ed704dfe5b30db76bd3cf3c4b7bedbed18db824cb899810fb8d119820918136ac550001cff272641af2e47", @ANYRESDEC=r2], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:38 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

16:35:38 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000100"], 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="30008000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000100"], 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="30008000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:38 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r2, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x36}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x50}}, 0x95)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)

16:35:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r2, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x36}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x50}}, 0x95) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)

16:35:38 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1909.399098] FAULT_INJECTION: forcing a failure.
[ 1909.399098] name failslab, interval 1, probability 0, space 0, times 0
[ 1909.468751] CPU: 1 PID: 11065 Comm: syz-executor.4 Not tainted 4.14.261-syzkaller #0
[ 1909.476665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1909.486018] Call Trace:
[ 1909.488617]  dump_stack+0x1b2/0x281
[ 1909.492244]  should_fail.cold+0x10a/0x149
[ 1909.496393]  should_failslab+0xd6/0x130
[ 1909.500368]  kmem_cache_alloc_node+0x263/0x410
[ 1909.504951]  __alloc_skb+0x5c/0x510
[ 1909.508587]  netlink_ack+0x216/0x9a0
[ 1909.512296]  ? netlink_sendmsg+0xbc0/0xbc0
[ 1909.516534]  netlink_rcv_skb+0x2c5/0x390
[ 1909.520587]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1909.525160]  ? netlink_ack+0x9a0/0x9a0
[ 1909.529045]  ? lock_acquire+0x170/0x3f0
[ 1909.533019]  genl_rcv+0x24/0x40
[ 1909.536293]  netlink_unicast+0x437/0x610
[ 1909.540353]  ? netlink_sendskb+0xd0/0xd0
[ 1909.544412]  ? __check_object_size+0x179/0x230
[ 1909.548989]  netlink_sendmsg+0x648/0xbc0
[ 1909.553050]  ? nlmsg_notify+0x1b0/0x1b0
[ 1909.557015]  ? kernel_recvmsg+0x210/0x210
[ 1909.561166]  ? security_socket_sendmsg+0x83/0xb0
[ 1909.565912]  ? nlmsg_notify+0x1b0/0x1b0
[ 1909.569875]  sock_sendmsg+0xb5/0x100
[ 1909.573586]  ___sys_sendmsg+0x6c8/0x800
[ 1909.577558]  ? get_pid_task+0x91/0x130
[ 1909.581441]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1909.586197]  ? lock_downgrade+0x740/0x740
[ 1909.590351]  ? lock_acquire+0x170/0x3f0
[ 1909.594322]  ? lock_downgrade+0x740/0x740
[ 1909.598471]  ? __fget+0x2df/0x460
[ 1909.601930]  ? __fdget+0x19b/0x1f0
[ 1909.605468]  ? sockfd_lookup_light+0xb2/0x160
[ 1909.609966]  __sys_sendmsg+0xa3/0x120
[ 1909.613759]  ? SyS_shutdown+0x160/0x160
[ 1909.617729]  ? wait_for_completion_io+0x10/0x10
[ 1909.622395]  ? SyS_read+0x210/0x210
[ 1909.626016]  ? __do_page_fault+0x159/0xad0
[ 1909.630245]  SyS_sendmsg+0x27/0x40
[ 1909.633780]  ? __sys_sendmsg+0x120/0x120
[ 1909.637836]  do_syscall_64+0x1d5/0x640
[ 1909.641722]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1909.646906] RIP: 0033:0x7f7ccae78e99
[ 1909.650608] RSP: 002b:00007f7cc97cd168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1909.658311] RAX: ffffffffffffffda RBX: 00007f7ccaf8c030 RCX: 00007f7ccae78e99
[ 1909.665577] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1909.672835] RBP: 00007f7cc97cd1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1909.680095] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1909.687354] R13: 00007ffe91874faf R14: 00007f7cc97cd300 R15: 0000000000022000
16:35:38 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (fail_nth: 4)

16:35:38 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

16:35:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r2, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x36}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x50}}, 0x95)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)

16:35:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r2, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x36}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x50}}, 0x95)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r2, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x36}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x50}}, 0x95) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)

16:35:38 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, 0x0}, 0x0)

16:35:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, 0x0}, 0x0)

[ 1909.905768] FAULT_INJECTION: forcing a failure.
[ 1909.905768] name failslab, interval 1, probability 0, space 0, times 0
[ 1909.960043] CPU: 1 PID: 11091 Comm: syz-executor.4 Not tainted 4.14.261-syzkaller #0
[ 1909.967951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1909.977308] Call Trace:
[ 1909.979904]  dump_stack+0x1b2/0x281
[ 1909.983540]  should_fail.cold+0x10a/0x149
[ 1909.987695]  should_failslab+0xd6/0x130
[ 1909.991668]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1909.996771]  alloc_disk_node+0x5d/0x3d0
[ 1910.000743]  nbd_dev_add+0x9f/0x800
[ 1910.004365]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1910.008515]  ? ns_capable_common+0x127/0x150
[ 1910.012922]  nbd_genl_connect+0x3a4/0x1400
[ 1910.017159]  ? lock_acquire+0x170/0x3f0
[ 1910.021130]  ? nbd_xmit_timeout+0x500/0x500
[ 1910.025458]  ? validate_nla+0x192/0x5e0
[ 1910.029432]  ? nla_parse+0x157/0x1f0
[ 1910.033145]  genl_family_rcv_msg+0x572/0xb20
[ 1910.037552]  ? genl_rcv+0x40/0x40
[ 1910.041004]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1910.046450]  ? trace_hardirqs_on+0x10/0x10
[ 1910.050676]  ? sock_sendmsg+0xb5/0x100
[ 1910.054575]  genl_rcv_msg+0xaf/0x140
[ 1910.058286]  netlink_rcv_skb+0x125/0x390
[ 1910.062346]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1910.066930]  ? netlink_ack+0x9a0/0x9a0
[ 1910.070814]  ? lock_acquire+0x170/0x3f0
[ 1910.074793]  genl_rcv+0x24/0x40
[ 1910.078065]  netlink_unicast+0x437/0x610
[ 1910.082127]  ? netlink_sendskb+0xd0/0xd0
[ 1910.086186]  ? __check_object_size+0x179/0x230
[ 1910.090763]  netlink_sendmsg+0x648/0xbc0
[ 1910.094820]  ? nlmsg_notify+0x1b0/0x1b0
[ 1910.098793]  ? kernel_recvmsg+0x210/0x210
[ 1910.102935]  ? security_socket_sendmsg+0x83/0xb0
[ 1910.107682]  ? nlmsg_notify+0x1b0/0x1b0
[ 1910.111650]  sock_sendmsg+0xb5/0x100
[ 1910.115367]  ___sys_sendmsg+0x6c8/0x800
[ 1910.119338]  ? get_pid_task+0x91/0x130
[ 1910.123219]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1910.127972]  ? lock_downgrade+0x740/0x740
[ 1910.132127]  ? lock_acquire+0x170/0x3f0
[ 1910.136105]  ? lock_downgrade+0x740/0x740
[ 1910.140250]  ? __fget+0x2df/0x460
[ 1910.143704]  ? __fdget+0x19b/0x1f0
[ 1910.147239]  ? sockfd_lookup_light+0xb2/0x160
[ 1910.151734]  __sys_sendmsg+0xa3/0x120
[ 1910.155531]  ? SyS_shutdown+0x160/0x160
[ 1910.159504]  ? wait_for_completion_io+0x10/0x10
[ 1910.164173]  ? SyS_read+0x210/0x210
[ 1910.167798]  ? __do_page_fault+0x159/0xad0
[ 1910.172028]  SyS_sendmsg+0x27/0x40
[ 1910.175557]  ? __sys_sendmsg+0x120/0x120
[ 1910.179614]  do_syscall_64+0x1d5/0x640
[ 1910.183501]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1910.188683] RIP: 0033:0x7f7ccae78e99
[ 1910.192387] RSP: 002b:00007f7cc97ee168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1910.200098] RAX: ffffffffffffffda RBX: 00007f7ccaf8bf60 RCX: 00007f7ccae78e99
16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, 0x0}, 0x0)

[ 1910.207359] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1910.214618] RBP: 00007f7cc97ee1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1910.221883] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1910.229148] R13: 00007ffe91874faf R14: 00007f7cc97ee300 R15: 0000000000022000
16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={0x0}}, 0x0)

16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={0x0}}, 0x0)

16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={0x0}}, 0x0)

[ 1910.577832] nbd: failed to add new device
16:35:39 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (fail_nth: 5)

16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (fail_nth: 1)

16:35:39 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0}}, 0x0)

16:35:39 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:39 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="300000007d2c99bbe3c32e9bcc6f8400e8a1c97ba284d8129da7d9f28ad7da06656bdfd4ae7c52ced778f32531961ef73fdac06bb3c21173a183200ce547fd0dcbf4e70e0e", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:39 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 1)

16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00a76d99230000020001000000006373783e63c3ea5184937845731fa7a8a6afdd4881b9de51480459c54181179b9a5319bc8cda59630b2d9db3c96a2a20892ab84f402258fc36c8a568c73cd640449e7d483f04e9604383ef4bc75a3f4eb0d1251b7b49d01c1cb3764f057667a6fe2bd5b9e497fc528ab1ca94fa0e4b3062f011779fd86d2dcb1aec6df615f719d1ac5a2566c9b4795ebd0c58b2719df713f4eb4d31429c7d97a542277584aa766b6a80bf00c89cf7e6470618cd15ce7b79ecee29ab71e4e5bc0feec67e377199923da2f7ac4705"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x4004000)

[ 1910.675889] FAULT_INJECTION: forcing a failure.
[ 1910.675889] name failslab, interval 1, probability 0, space 0, times 0
16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00a76d99230000020001000000006373783e63c3ea5184937845731fa7a8a6afdd4881b9de51480459c54181179b9a5319bc8cda59630b2d9db3c96a2a20892ab84f402258fc36c8a568c73cd640449e7d483f04e9604383ef4bc75a3f4eb0d1251b7b49d01c1cb3764f057667a6fe2bd5b9e497fc528ab1ca94fa0e4b3062f011779fd86d2dcb1aec6df615f719d1ac5a2566c9b4795ebd0c58b2719df713f4eb4d31429c7d97a542277584aa766b6a80bf00c89cf7e6470618cd15ce7b79ecee29ab71e4e5bc0feec67e377199923da2f7ac4705"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x4004000)

[ 1910.717111] CPU: 1 PID: 11133 Comm: syz-executor.4 Not tainted 4.14.261-syzkaller #0
[ 1910.725026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1910.734386] Call Trace:
[ 1910.736974]  dump_stack+0x1b2/0x281
[ 1910.740608]  should_fail.cold+0x10a/0x149
[ 1910.744760]  should_failslab+0xd6/0x130
[ 1910.748733]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1910.753838]  __kmalloc_node+0x38/0x70
[ 1910.757642]  disk_expand_part_tbl+0x17a/0x340
[ 1910.762140]  alloc_disk_node+0xf1/0x3d0
16:35:39 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00a76d99230000020001000000006373783e63c3ea5184937845731fa7a8a6afdd4881b9de51480459c54181179b9a5319bc8cda59630b2d9db3c96a2a20892ab84f402258fc36c8a568c73cd640449e7d483f04e9604383ef4bc75a3f4eb0d1251b7b49d01c1cb3764f057667a6fe2bd5b9e497fc528ab1ca94fa0e4b3062f011779fd86d2dcb1aec6df615f719d1ac5a2566c9b4795ebd0c58b2719df713f4eb4d31429c7d97a542277584aa766b6a80bf00c89cf7e6470618cd15ce7b79ecee29ab71e4e5bc0feec67e377199923da2f7ac4705"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x4004000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00a76d99230000020001000000006373783e63c3ea5184937845731fa7a8a6afdd4881b9de51480459c54181179b9a5319bc8cda59630b2d9db3c96a2a20892ab84f402258fc36c8a568c73cd640449e7d483f04e9604383ef4bc75a3f4eb0d1251b7b49d01c1cb3764f057667a6fe2bd5b9e497fc528ab1ca94fa0e4b3062f011779fd86d2dcb1aec6df615f719d1ac5a2566c9b4795ebd0c58b2719df713f4eb4d31429c7d97a542277584aa766b6a80bf00c89cf7e6470618cd15ce7b79ecee29ab71e4e5bc0feec67e377199923da2f7ac4705"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x4004000) (async)

[ 1910.766116]  nbd_dev_add+0x9f/0x800
[ 1910.769741]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1910.773883]  ? ns_capable_common+0x127/0x150
[ 1910.778290]  nbd_genl_connect+0x3a4/0x1400
[ 1910.782516]  ? lock_acquire+0x170/0x3f0
[ 1910.786492]  ? nbd_xmit_timeout+0x500/0x500
[ 1910.790816]  ? validate_nla+0x192/0x5e0
[ 1910.794789]  ? nla_parse+0x157/0x1f0
[ 1910.798503]  genl_family_rcv_msg+0x572/0xb20
[ 1910.802912]  ? genl_rcv+0x40/0x40
[ 1910.806366]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1910.811812]  ? trace_hardirqs_on+0x10/0x10
[ 1910.816038]  ? sock_sendmsg+0xb5/0x100
[ 1910.819930]  genl_rcv_msg+0xaf/0x140
[ 1910.823640]  netlink_rcv_skb+0x125/0x390
[ 1910.827693]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1910.832271]  ? netlink_ack+0x9a0/0x9a0
[ 1910.836150]  ? lock_acquire+0x170/0x3f0
[ 1910.840121]  genl_rcv+0x24/0x40
[ 1910.843392]  netlink_unicast+0x437/0x610
[ 1910.847478]  ? netlink_sendskb+0xd0/0xd0
[ 1910.851541]  ? __check_object_size+0x179/0x230
[ 1910.856121]  netlink_sendmsg+0x648/0xbc0
[ 1910.860326]  ? nlmsg_notify+0x1b0/0x1b0
[ 1910.864297]  ? kernel_recvmsg+0x210/0x210
[ 1910.868477]  ? security_socket_sendmsg+0x83/0xb0
[ 1910.873229]  ? nlmsg_notify+0x1b0/0x1b0
[ 1910.877202]  sock_sendmsg+0xb5/0x100
[ 1910.880911]  ___sys_sendmsg+0x6c8/0x800
[ 1910.884883]  ? get_pid_task+0x91/0x130
[ 1910.888765]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1910.893523]  ? lock_downgrade+0x740/0x740
[ 1910.897683]  ? lock_acquire+0x170/0x3f0
[ 1910.901653]  ? lock_downgrade+0x740/0x740
[ 1910.905801]  ? __fget+0x2df/0x460
[ 1910.909253]  ? __fdget+0x19b/0x1f0
[ 1910.912784]  ? sockfd_lookup_light+0xb2/0x160
[ 1910.917278]  __sys_sendmsg+0xa3/0x120
[ 1910.921075]  ? SyS_shutdown+0x160/0x160
[ 1910.925050]  ? wait_for_completion_io+0x10/0x10
[ 1910.929722]  ? SyS_read+0x210/0x210
[ 1910.933352]  ? __do_page_fault+0x159/0xad0
[ 1910.937594]  SyS_sendmsg+0x27/0x40
[ 1910.941129]  ? __sys_sendmsg+0x120/0x120
[ 1910.945190]  do_syscall_64+0x1d5/0x640
[ 1910.949082]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1910.954265] RIP: 0033:0x7f7ccae78e99
[ 1910.957965] RSP: 002b:00007f7cc97ee168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1910.965663] RAX: ffffffffffffffda RBX: 00007f7ccaf8bf60 RCX: 00007f7ccae78e99
[ 1910.972930] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1910.980192] RBP: 00007f7cc97ee1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1910.987459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1910.994734] R13: 00007ffe91874faf R14: 00007f7cc97ee300 R15: 0000000000022000
[ 1911.005115] FAULT_INJECTION: forcing a failure.
[ 1911.005115] name failslab, interval 1, probability 0, space 0, times 0
[ 1911.017398] CPU: 1 PID: 11146 Comm: syz-executor.0 Not tainted 4.14.261-syzkaller #0
[ 1911.025283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1911.034629] Call Trace:
[ 1911.037213]  dump_stack+0x1b2/0x281
[ 1911.040842]  should_fail.cold+0x10a/0x149
[ 1911.044992]  should_failslab+0xd6/0x130
[ 1911.048969]  kmem_cache_alloc_node+0x263/0x410
[ 1911.053566]  __alloc_skb+0x5c/0x510
[ 1911.057197]  netlink_sendmsg+0x91e/0xbc0
[ 1911.061261]  ? nlmsg_notify+0x1b0/0x1b0
[ 1911.065231]  ? kernel_recvmsg+0x210/0x210
[ 1911.069383]  ? security_socket_sendmsg+0x83/0xb0
[ 1911.074133]  ? nlmsg_notify+0x1b0/0x1b0
[ 1911.078107]  sock_sendmsg+0xb5/0x100
[ 1911.081816]  ___sys_sendmsg+0x6c8/0x800
[ 1911.085782]  ? get_pid_task+0x91/0x130
[ 1911.089666]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1911.094437]  ? lock_downgrade+0x740/0x740
[ 1911.098592]  ? lock_acquire+0x170/0x3f0
[ 1911.102563]  ? lock_downgrade+0x740/0x740
[ 1911.106709]  ? __fget+0x2df/0x460
[ 1911.110165]  ? __fdget+0x19b/0x1f0
[ 1911.113702]  ? sockfd_lookup_light+0xb2/0x160
16:35:40 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0xfffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4004080}, 0x2004c880)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000000))

[ 1911.118190]  __sys_sendmsg+0xa3/0x120
[ 1911.121990]  ? SyS_shutdown+0x160/0x160
[ 1911.125958]  ? wait_for_completion_io+0x10/0x10
[ 1911.130634]  ? SyS_read+0x210/0x210
[ 1911.134259]  ? __do_page_fault+0x159/0xad0
[ 1911.138497]  SyS_sendmsg+0x27/0x40
[ 1911.142037]  ? __sys_sendmsg+0x120/0x120
[ 1911.146098]  do_syscall_64+0x1d5/0x640
[ 1911.149991]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1911.155176] RIP: 0033:0x7ff6b851ce99
[ 1911.158877] RSP: 002b:00007ff6b6e71168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1911.166584] RAX: ffffffffffffffda RBX: 00007ff6b8630030 RCX: 00007ff6b851ce99
[ 1911.173852] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1911.181118] RBP: 00007ff6b6e711d0 R08: 0000000000000000 R09: 0000000000000000
[ 1911.188381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1911.195641] R13: 00007ffc7dd6472f R14: 00007ff6b6e71300 R15: 0000000000022000
16:35:40 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="300000007d2c99bbe3c32e9bcc6f8400e8a1c97ba284d8129da7d9f28ad7da06656bdfd4ae7c52ced778f32531961ef73fdac06bb3c21173a183200ce547fd0dcbf4e70e0e", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="300000007d2c99bbe3c32e9bcc6f8400e8a1c97ba284d8129da7d9f28ad7da06656bdfd4ae7c52ced778f32531961ef73fdac06bb3c21173a183200ce547fd0dcbf4e70e0e", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:40 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0xfffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4004080}, 0x2004c880) (async)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000000))

16:35:40 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (fail_nth: 6)

16:35:40 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:40 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

[ 1911.217510] nbd: failed to add new device
16:35:40 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 2)

16:35:40 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:40 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="300000007d2c99bbe3c32e9bcc6f8400e8a1c97ba284d8129da7d9f28ad7da06656bdfd4ae7c52ced778f32531961ef73fdac06bb3c21173a183200ce547fd0dcbf4e70e0e", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1911.281939] FAULT_INJECTION: forcing a failure.
[ 1911.281939] name failslab, interval 1, probability 0, space 0, times 0
[ 1911.322175] CPU: 1 PID: 11168 Comm: syz-executor.4 Not tainted 4.14.261-syzkaller #0
[ 1911.330079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1911.339428] Call Trace:
[ 1911.342022]  dump_stack+0x1b2/0x281
[ 1911.345657]  should_fail.cold+0x10a/0x149
[ 1911.349815]  should_failslab+0xd6/0x130
[ 1911.353793]  kmem_cache_alloc_trace+0x29a/0x3d0
[ 1911.358462]  rand_initialize_disk+0x3b/0xc0
[ 1911.362779]  alloc_disk_node+0x1f7/0x3d0
[ 1911.366841]  nbd_dev_add+0x9f/0x800
[ 1911.370473]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1911.374625]  ? ns_capable_common+0x127/0x150
[ 1911.379030]  nbd_genl_connect+0x3a4/0x1400
[ 1911.383261]  ? lock_acquire+0x170/0x3f0
[ 1911.387232]  ? nbd_xmit_timeout+0x500/0x500
[ 1911.391548]  ? validate_nla+0x192/0x5e0
[ 1911.395519]  ? nla_parse+0x157/0x1f0
[ 1911.399235]  genl_family_rcv_msg+0x572/0xb20
[ 1911.403647]  ? genl_rcv+0x40/0x40
[ 1911.407111]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1911.412561]  ? trace_hardirqs_on+0x10/0x10
[ 1911.416792]  ? sock_sendmsg+0xb5/0x100
[ 1911.420683]  genl_rcv_msg+0xaf/0x140
[ 1911.424391]  netlink_rcv_skb+0x125/0x390
[ 1911.428451]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1911.433030]  ? netlink_ack+0x9a0/0x9a0
[ 1911.436914]  ? lock_acquire+0x170/0x3f0
[ 1911.440896]  genl_rcv+0x24/0x40
[ 1911.444173]  netlink_unicast+0x437/0x610
[ 1911.448232]  ? netlink_sendskb+0xd0/0xd0
[ 1911.452291]  ? __check_object_size+0x179/0x230
[ 1911.456868]  netlink_sendmsg+0x648/0xbc0
[ 1911.460931]  ? nlmsg_notify+0x1b0/0x1b0
[ 1911.464907]  ? kernel_recvmsg+0x210/0x210
[ 1911.469054]  ? security_socket_sendmsg+0x83/0xb0
[ 1911.473805]  ? nlmsg_notify+0x1b0/0x1b0
[ 1911.477784]  sock_sendmsg+0xb5/0x100
[ 1911.481496]  ___sys_sendmsg+0x6c8/0x800
[ 1911.485470]  ? get_pid_task+0x91/0x130
[ 1911.489352]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1911.494108]  ? lock_downgrade+0x740/0x740
[ 1911.498262]  ? lock_acquire+0x170/0x3f0
[ 1911.502243]  ? lock_downgrade+0x740/0x740
[ 1911.506394]  ? __fget+0x2df/0x460
[ 1911.509854]  ? __fdget+0x19b/0x1f0
[ 1911.513403]  ? sockfd_lookup_light+0xb2/0x160
[ 1911.517912]  __sys_sendmsg+0xa3/0x120
[ 1911.521709]  ? SyS_shutdown+0x160/0x160
[ 1911.525682]  ? wait_for_completion_io+0x10/0x10
[ 1911.530363]  ? SyS_read+0x210/0x210
[ 1911.533993]  ? __do_page_fault+0x159/0xad0
[ 1911.538227]  SyS_sendmsg+0x27/0x40
[ 1911.541763]  ? __sys_sendmsg+0x120/0x120
[ 1911.545995]  do_syscall_64+0x1d5/0x640
[ 1911.549896]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1911.555082] RIP: 0033:0x7f7ccae78e99
[ 1911.558787] RSP: 002b:00007f7cc97ee168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1911.566489] RAX: ffffffffffffffda RBX: 00007f7ccaf8bf60 RCX: 00007f7ccae78e99
[ 1911.573751] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1911.581016] RBP: 00007f7cc97ee1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1911.588282] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1911.595545] R13: 00007ffe91874faf R14: 00007f7cc97ee300 R15: 0000000000022000
[ 1911.615987] FAULT_INJECTION: forcing a failure.
16:35:40 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0xfffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4004080}, 0x2004c880)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000000))
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0xfffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4004080}, 0x2004c880) (async)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000000)) (async)

[ 1911.615987] name failslab, interval 1, probability 0, space 0, times 0
[ 1911.638056] CPU: 1 PID: 11186 Comm: syz-executor.0 Not tainted 4.14.261-syzkaller #0
[ 1911.645959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1911.655306] Call Trace:
[ 1911.657891]  dump_stack+0x1b2/0x281
[ 1911.661521]  should_fail.cold+0x10a/0x149
[ 1911.665676]  should_failslab+0xd6/0x130
[ 1911.669666]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1911.674779]  __kmalloc_node_track_caller+0x38/0x70
[ 1911.679705]  __alloc_skb+0x96/0x510
[ 1911.683337]  netlink_sendmsg+0x91e/0xbc0
[ 1911.687401]  ? nlmsg_notify+0x1b0/0x1b0
[ 1911.691374]  ? kernel_recvmsg+0x210/0x210
[ 1911.695523]  ? security_socket_sendmsg+0x83/0xb0
[ 1911.700282]  ? nlmsg_notify+0x1b0/0x1b0
[ 1911.704255]  sock_sendmsg+0xb5/0x100
[ 1911.707970]  ___sys_sendmsg+0x6c8/0x800
[ 1911.711948]  ? get_pid_task+0x91/0x130
[ 1911.715836]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1911.720592]  ? lock_downgrade+0x740/0x740
[ 1911.724752]  ? lock_acquire+0x170/0x3f0
[ 1911.728726]  ? lock_downgrade+0x740/0x740
[ 1911.732874]  ? __fget+0x2df/0x460
[ 1911.736329]  ? __fdget+0x19b/0x1f0
[ 1911.739871]  ? sockfd_lookup_light+0xb2/0x160
[ 1911.744369]  __sys_sendmsg+0xa3/0x120
[ 1911.748174]  ? SyS_shutdown+0x160/0x160
[ 1911.752151]  ? wait_for_completion_io+0x10/0x10
[ 1911.756829]  ? SyS_read+0x210/0x210
[ 1911.760459]  ? __do_page_fault+0x159/0xad0
[ 1911.764696]  SyS_sendmsg+0x27/0x40
[ 1911.768237]  ? __sys_sendmsg+0x120/0x120
[ 1911.772297]  do_syscall_64+0x1d5/0x640
[ 1911.776191]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1911.781373] RIP: 0033:0x7ff6b851ce99
[ 1911.785077] RSP: 002b:00007ff6b6e71168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1911.792788] RAX: ffffffffffffffda RBX: 00007ff6b8630030 RCX: 00007ff6b851ce99
[ 1911.800052] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1911.807316] RBP: 00007ff6b6e711d0 R08: 0000000000000000 R09: 0000000000000000
[ 1911.814581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1911.821846] R13: 00007ffc7dd6472f R14: 00007ff6b6e71300 R15: 0000000000022000
16:35:40 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r2, 0xc018937c, &(0x7f0000000140)=ANY=[@ANYBLOB="010008000100000018000000", @ANYRES32=r4, @ANYBLOB="01000000000000002e2f66696c653000"])
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1f}}, './file0\x00'})
socket(0x15, 0x3, 0x5)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$SNAPSHOT_S2RAM(r5, 0x330b)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB="01000080078a8fad7f006669653000006cebc9214b4f456a2ba8e0f8f66fd79e29690095b8ab60c6c6c59b2e5971799216dfe9aeef0cb2c270086453efb976c086"])
socket(0x29, 0x800, 0x8)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
setsockopt$TIPC_GROUP_JOIN(r6, 0x10f, 0x87, &(0x7f0000000180)={0x40, 0x2, 0x2}, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f00000000c0)={0x54, 0x0, 0x0, 0x3, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x54}}, 0x0)

16:35:40 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x40, r2, 0x937, 0x4, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:40 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 3)

16:35:40 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:40 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:40 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (fail_nth: 7)

16:35:41 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0) (async)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r4=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r2, 0xc018937c, &(0x7f0000000140)=ANY=[@ANYBLOB="010008000100000018000000", @ANYRES32=r4, @ANYBLOB="01000000000000002e2f66696c653000"]) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1f}}, './file0\x00'})
socket(0x15, 0x3, 0x5)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
ioctl$SNAPSHOT_S2RAM(r5, 0x330b)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB="01000080078a8fad7f006669653000006cebc9214b4f456a2ba8e0f8f66fd79e29690095b8ab60c6c6c59b2e5971799216dfe9aeef0cb2c270086453efb976c086"])
socket(0x29, 0x800, 0x8) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
setsockopt$TIPC_GROUP_JOIN(r6, 0x10f, 0x87, &(0x7f0000000180)={0x40, 0x2, 0x2}, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f00000000c0)={0x54, 0x0, 0x0, 0x3, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x54}}, 0x0)

[ 1911.983498] FAULT_INJECTION: forcing a failure.
[ 1911.983498] name failslab, interval 1, probability 0, space 0, times 0
[ 1912.020925] CPU: 0 PID: 11208 Comm: syz-executor.0 Not tainted 4.14.261-syzkaller #0
[ 1912.028844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1912.038193] Call Trace:
[ 1912.040786]  dump_stack+0x1b2/0x281
[ 1912.044422]  should_fail.cold+0x10a/0x149
[ 1912.048570]  should_failslab+0xd6/0x130
[ 1912.052551]  kmem_cache_alloc_trace+0x29a/0x3d0
[ 1912.057217]  nbd_dev_add+0x7c/0x800
[ 1912.060854]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1912.065001]  ? ns_capable_common+0x127/0x150
[ 1912.069408]  nbd_genl_connect+0x3a4/0x1400
[ 1912.073639]  ? lock_acquire+0x170/0x3f0
[ 1912.077609]  ? nbd_xmit_timeout+0x500/0x500
[ 1912.081930]  ? validate_nla+0x192/0x5e0
[ 1912.085903]  ? nla_parse+0x157/0x1f0
[ 1912.089623]  genl_family_rcv_msg+0x572/0xb20
[ 1912.094031]  ? genl_rcv+0x40/0x40
[ 1912.097482]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1912.102930]  ? trace_hardirqs_on+0x10/0x10
[ 1912.107159]  ? sock_sendmsg+0xb5/0x100
[ 1912.111060]  genl_rcv_msg+0xaf/0x140
[ 1912.114770]  netlink_rcv_skb+0x125/0x390
[ 1912.118830]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1912.123414]  ? netlink_ack+0x9a0/0x9a0
[ 1912.127383]  ? lock_acquire+0x170/0x3f0
[ 1912.131360]  genl_rcv+0x24/0x40
[ 1912.134629]  netlink_unicast+0x437/0x610
[ 1912.138686]  ? netlink_sendskb+0xd0/0xd0
[ 1912.142744]  ? __check_object_size+0x179/0x230
[ 1912.147325]  netlink_sendmsg+0x648/0xbc0
[ 1912.151386]  ? nlmsg_notify+0x1b0/0x1b0
[ 1912.155353]  ? kernel_recvmsg+0x210/0x210
[ 1912.159499]  ? security_socket_sendmsg+0x83/0xb0
[ 1912.164249]  ? nlmsg_notify+0x1b0/0x1b0
[ 1912.168221]  sock_sendmsg+0xb5/0x100
[ 1912.171933]  ___sys_sendmsg+0x6c8/0x800
[ 1912.175904]  ? get_pid_task+0x91/0x130
[ 1912.179786]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1912.184538]  ? lock_downgrade+0x740/0x740
[ 1912.188689]  ? lock_acquire+0x170/0x3f0
[ 1912.192656]  ? lock_downgrade+0x740/0x740
[ 1912.196802]  ? __fget+0x2df/0x460
[ 1912.200258]  ? __fdget+0x19b/0x1f0
[ 1912.203791]  ? sockfd_lookup_light+0xb2/0x160
[ 1912.208281]  __sys_sendmsg+0xa3/0x120
[ 1912.212081]  ? SyS_shutdown+0x160/0x160
[ 1912.216051]  ? wait_for_completion_io+0x10/0x10
[ 1912.220720]  ? SyS_read+0x210/0x210
[ 1912.224342]  ? __do_page_fault+0x159/0xad0
[ 1912.228575]  SyS_sendmsg+0x27/0x40
[ 1912.232108]  ? __sys_sendmsg+0x120/0x120
[ 1912.236162]  do_syscall_64+0x1d5/0x640
[ 1912.240052]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1912.245234] RIP: 0033:0x7ff6b851ce99
[ 1912.248938] RSP: 002b:00007ff6b6e92168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1912.256638] RAX: ffffffffffffffda RBX: 00007ff6b862ff60 RCX: 00007ff6b851ce99
[ 1912.263896] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1912.271157] RBP: 00007ff6b6e921d0 R08: 0000000000000000 R09: 0000000000000000
16:35:41 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async, rerun: 64)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r4=>0xffffffffffffffff}) (rerun: 64)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r2, 0xc018937c, &(0x7f0000000140)=ANY=[@ANYBLOB="010008000100000018000000", @ANYRES32=r4, @ANYBLOB="01000000000000002e2f66696c653000"]) (async, rerun: 32)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1f}}, './file0\x00'}) (rerun: 32)
socket(0x15, 0x3, 0x5) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$SNAPSHOT_S2RAM(r5, 0x330b)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB="01000080078a8fad7f006669653000006cebc9214b4f456a2ba8e0f8f66fd79e29690095b8ab60c6c6c59b2e5971799216dfe9aeef0cb2c270086453efb976c086"]) (async, rerun: 32)
socket(0x29, 0x800, 0x8) (async, rerun: 32)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async, rerun: 64)
setsockopt$TIPC_GROUP_JOIN(r6, 0x10f, 0x87, &(0x7f0000000180)={0x40, 0x2, 0x2}, 0x10) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f00000000c0)={0x54, 0x0, 0x0, 0x3, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x54}}, 0x0)

[ 1912.278421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1912.285687] R13: 00007ffc7dd6472f R14: 00007ff6b6e92300 R15: 0000000000022000
16:35:41 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:41 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

[ 1912.576139] nbd: failed to add new device
16:35:41 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:41 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async, rerun: 32)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (rerun: 32)

16:35:41 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$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0x0, &(0x7f0000000040)='net/l2cap\x00')
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x5c, r2, 0x937, 0x70bd2a, 0xffffffff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24080804}, 0xc080)

16:35:41 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x40, r2, 0x937, 0x4, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:41 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 4)

16:35:41 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:41 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x40, r2, 0x937, 0x4, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:41 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:41 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:41 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$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0x0, &(0x7f0000000040)='net/l2cap\x00')
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x5c, r2, 0x937, 0x70bd2a, 0xffffffff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24080804}, 0xc080)

[ 1912.765760] FAULT_INJECTION: forcing a failure.
[ 1912.765760] name failslab, interval 1, probability 0, space 0, times 0
[ 1912.819651] CPU: 1 PID: 11266 Comm: syz-executor.0 Not tainted 4.14.261-syzkaller #0
[ 1912.827555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1912.836905] Call Trace:
[ 1912.839501]  dump_stack+0x1b2/0x281
[ 1912.843130]  should_fail.cold+0x10a/0x149
[ 1912.847283]  should_failslab+0xd6/0x130
[ 1912.851256]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1912.856370]  __kmalloc_node_track_caller+0x38/0x70
[ 1912.861299]  __alloc_skb+0x96/0x510
[ 1912.864928]  netlink_ack+0x216/0x9a0
[ 1912.868640]  ? netlink_sendmsg+0xbc0/0xbc0
[ 1912.872875]  netlink_rcv_skb+0x2c5/0x390
[ 1912.876937]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1912.881517]  ? netlink_ack+0x9a0/0x9a0
[ 1912.885400]  ? lock_acquire+0x170/0x3f0
[ 1912.889465]  genl_rcv+0x24/0x40
[ 1912.892748]  netlink_unicast+0x437/0x610
[ 1912.896814]  ? netlink_sendskb+0xd0/0xd0
[ 1912.900869]  ? __check_object_size+0x179/0x230
[ 1912.905455]  netlink_sendmsg+0x648/0xbc0
[ 1912.909532]  ? nlmsg_notify+0x1b0/0x1b0
[ 1912.913498]  ? kernel_recvmsg+0x210/0x210
[ 1912.917648]  ? security_socket_sendmsg+0x83/0xb0
[ 1912.922400]  ? nlmsg_notify+0x1b0/0x1b0
[ 1912.926368]  sock_sendmsg+0xb5/0x100
[ 1912.930079]  ___sys_sendmsg+0x6c8/0x800
[ 1912.934048]  ? get_pid_task+0x91/0x130
[ 1912.937932]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1912.942692]  ? lock_downgrade+0x740/0x740
[ 1912.946849]  ? lock_acquire+0x170/0x3f0
[ 1912.950822]  ? lock_downgrade+0x740/0x740
[ 1912.954971]  ? __fget+0x2df/0x460
[ 1912.958418]  ? __fdget+0x19b/0x1f0
[ 1912.961949]  ? sockfd_lookup_light+0xb2/0x160
[ 1912.966440]  __sys_sendmsg+0xa3/0x120
[ 1912.970235]  ? SyS_shutdown+0x160/0x160
[ 1912.974211]  ? wait_for_completion_io+0x10/0x10
[ 1912.978882]  ? SyS_read+0x210/0x210
[ 1912.982505]  ? __do_page_fault+0x159/0xad0
[ 1912.986745]  SyS_sendmsg+0x27/0x40
[ 1912.990280]  ? __sys_sendmsg+0x120/0x120
[ 1912.994332]  do_syscall_64+0x1d5/0x640
[ 1912.998220]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1913.003400] RIP: 0033:0x7ff6b851ce99
[ 1913.007105] RSP: 002b:00007ff6b6e71168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1913.014810] RAX: ffffffffffffffda RBX: 00007ff6b8630030 RCX: 00007ff6b851ce99
[ 1913.022068] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1913.029328] RBP: 00007ff6b6e711d0 R08: 0000000000000000 R09: 0000000000000000
[ 1913.036599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1913.043868] R13: 00007ffc7dd6472f R14: 00007ff6b6e71300 R15: 0000000000022000
16:35:42 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 5)

16:35:42 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

16:35:42 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="17090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100fd63f44146f0d2d0691235e69b7400", @ANYRES32=<r3=>0xffffffffffffffff, @ANYBLOB="01000000000000002e2f66696c653000"])
r4 = socket(0xa, 0x2, 0x0)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={0x0}}, 0x0)
setsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, &(0x7f0000000080)=0x8, 0x4)

16:35:42 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:42 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7810}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x4004000)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0xffffffff}}, './file0\x00'})
r4 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x181080, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x80, 0x0, 0x508, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1c58}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000000}, 0x4008084)
ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:42 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x14, r2, 0x0, 0x0, 0xfffffffe}, 0x14}}, 0x0)

16:35:42 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

16:35:42 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$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0x0, &(0x7f0000000040)='net/l2cap\x00')
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x5c, r2, 0x937, 0x70bd2a, 0xffffffff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24080804}, 0xc080)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_open_procfs(0x0, &(0x7f0000000040)='net/l2cap\x00') (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x5c, r2, 0x937, 0x70bd2a, 0xffffffff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24080804}, 0xc080) (async)

16:35:42 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="17090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100fd63f44146f0d2d0691235e69b7400", @ANYRES32=<r3=>0xffffffffffffffff, @ANYBLOB="01000000000000002e2f66696c653000"]) (async, rerun: 64)
r4 = socket(0xa, 0x2, 0x0) (rerun: 64)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={0x0}}, 0x0) (async)
setsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, &(0x7f0000000080)=0x8, 0x4)

16:35:42 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x14, r2, 0x0, 0x0, 0xfffffffe}, 0x14}}, 0x0)

16:35:42 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

[ 1913.537797] nbd: must specify at least one socket
16:35:42 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7810}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x4004000)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0xffffffff}}, './file0\x00'})
r4 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x181080, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x80, 0x0, 0x508, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1c58}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000000}, 0x4008084)
ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7810}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x4004000) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff}}, './file0\x00'}) (async)
openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x181080, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x80, 0x0, 0x508, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1c58}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000000}, 0x4008084) (async)
ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

16:35:42 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async, rerun: 32)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x14, r2, 0x0, 0x0, 0xfffffffe}, 0x14}}, 0x0) (rerun: 32)

16:35:42 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:42 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="17090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100fd63f44146f0d2d0691235e69b7400", @ANYRES32=<r3=>0xffffffffffffffff, @ANYBLOB="01000000000000002e2f66696c653000"]) (async)
r4 = socket(0xa, 0x2, 0x0)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={0x0}}, 0x0) (async)
setsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, &(0x7f0000000080)=0x8, 0x4)

[ 1913.654939] nbd: must specify a size in bytes for the device
16:35:42 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x300, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x20004800)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
ioctl$VHOST_SET_VRING_CALL(r4, 0x4008af21, &(0x7f0000000040)={0x1})

16:35:42 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r3, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x81}, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r5=>0xffffffffffffffff, {0x3}}, './file0\x00'})
ioctl$GIO_CMAP(r5, 0x4b70, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:42 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r3, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x20}, 0x1, 0x0, 0x0, 0x24}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000240)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280))
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x44, r5, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x44}, 0x1, 0x0, 0x0, 0x801}, 0x4008040)

16:35:42 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:42 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x300, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x20004800) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
ioctl$VHOST_SET_VRING_CALL(r4, 0x4008af21, &(0x7f0000000040)={0x1})

16:35:42 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x48, r3, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffdffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000011}, 0x20008080)

16:35:42 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r3, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x20}, 0x1, 0x0, 0x0, 0x24}, 0x80) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000240)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280))
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x44, r5, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x44}, 0x1, 0x0, 0x0, 0x801}, 0x4008040)

16:35:42 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r3, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x81}, 0x0) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r5=>0xffffffffffffffff, {0x3}}, './file0\x00'})
ioctl$GIO_CMAP(r5, 0x4b70, &(0x7f0000000080)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:42 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7810}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x4004000)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0xffffffff}}, './file0\x00'}) (async)
r4 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x181080, 0x0) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x80, 0x0, 0x508, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1c58}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000000}, 0x4008084) (async)
ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:42 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:42 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x300, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x20004800) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
ioctl$VHOST_SET_VRING_CALL(r4, 0x4008af21, &(0x7f0000000040)={0x1})

16:35:42 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x48, r3, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffdffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000011}, 0x20008080)

16:35:42 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r3, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x20}, 0x1, 0x0, 0x0, 0x24}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000240)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280))
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x44, r5, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x44}, 0x1, 0x0, 0x0, 0x801}, 0x4008040)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r3, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x20}, 0x1, 0x0, 0x0, 0x24}, 0x80) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000240)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r1) (async)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x44, r5, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x44}, 0x1, 0x0, 0x0, 0x801}, 0x4008040) (async)

16:35:42 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r3, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x81}, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r5=>0xffffffffffffffff, {0x3}}, './file0\x00'})
ioctl$GIO_CMAP(r5, 0x4b70, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:43 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r2, 0x937, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x48, r3, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffdffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000011}, 0x20008080)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x48, r3, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffdffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000011}, 0x20008080) (async)

16:35:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x18, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

16:35:43 executing program 2:
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r0=>0xffffffffffffffff, {0xf5bc}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000340)=ANY=[@ANYBLOB="f800000001000000bad075172d04dec162812843d85227bde8032d1683d31cbebaeb0b263d835ffc1f01e57133f413255289a640ecefed6f2c0b96ec28e0610a7c7d1ee4b88827254ac11543cb5342c43690cf16795ad154dbd438710ad8fe100abac808c541167a7ef028af6a61487fb4040b72bd9e28bf595c23ad7a2f0f93a30fdbaddae1aac0236c328e3cb3ad7c3549", @ANYRES32, @ANYBLOB="ff000000000000002e2f66696c653000"])
ioctl$TIOCSLCKTRMIOS(r0, 0x5457, &(0x7f0000000080))
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r0, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r1}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000300)={0x8, 0x0, 0x16})
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r6, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x855}, 0x20000000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20048000)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="7400010084e445a945074c119d9c45b041b71d1d5d078ced3a5c5ed6be076e4afdef0e484d44219e52fd022dffd48906c266d59089c758084b1f009f83d304081607de8156230247cdfd9def1072e6498bb158b8afccc6afcd13a007370f4d94ddd27ff3400cb6442a6803f135cc59de2917c3dff5c3a81236746f6052329b806f1da4b6e1aaef273eda174f99b320335a0e7ef90010b503a6d1a757f337504510c29bd431b9b22c608c4c7e8e374507aaaa3e360d70232252ce071bc349f4ce71b7d96157bdf5", @ANYRES16=r4, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000100002000001"], 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r3, 0x200, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa8000000000000}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x20008000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:43 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r2, 0x937, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
wait4(0xffffffffffffffff, &(0x7f0000000080), 0x2, &(0x7f00000000c0))
socket$inet_udp(0x2, 0x2, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:43 executing program 2:
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r0=>0xffffffffffffffff, {0xf5bc}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000340)=ANY=[@ANYBLOB="f800000001000000bad075172d04dec162812843d85227bde8032d1683d31cbebaeb0b263d835ffc1f01e57133f413255289a640ecefed6f2c0b96ec28e0610a7c7d1ee4b88827254ac11543cb5342c43690cf16795ad154dbd438710ad8fe100abac808c541167a7ef028af6a61487fb4040b72bd9e28bf595c23ad7a2f0f93a30fdbaddae1aac0236c328e3cb3ad7c3549", @ANYRES32, @ANYBLOB="ff000000000000002e2f66696c653000"])
ioctl$TIOCSLCKTRMIOS(r0, 0x5457, &(0x7f0000000080))
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r0, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r1}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000300)={0x8, 0x0, 0x16})
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r6, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x855}, 0x20000000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20048000)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="7400010084e445a945074c119d9c45b041b71d1d5d078ced3a5c5ed6be076e4afdef0e484d44219e52fd022dffd48906c266d59089c758084b1f009f83d304081607de8156230247cdfd9def1072e6498bb158b8afccc6afcd13a007370f4d94ddd27ff3400cb6442a6803f135cc59de2917c3dff5c3a81236746f6052329b806f1da4b6e1aaef273eda174f99b320335a0e7ef90010b503a6d1a757f337504510c29bd431b9b22c608c4c7e8e374507aaaa3e360d70232252ce071bc349f4ce71b7d96157bdf5", @ANYRES16=r4, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xf5bc}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000340)=ANY=[@ANYBLOB="f800000001000000bad075172d04dec162812843d85227bde8032d1683d31cbebaeb0b263d835ffc1f01e57133f413255289a640ecefed6f2c0b96ec28e0610a7c7d1ee4b88827254ac11543cb5342c43690cf16795ad154dbd438710ad8fe100abac808c541167a7ef028af6a61487fb4040b72bd9e28bf595c23ad7a2f0f93a30fdbaddae1aac0236c328e3cb3ad7c3549", @ANYRES32, @ANYBLOB="ff000000000000002e2f66696c653000"]) (async)
ioctl$TIOCSLCKTRMIOS(r0, 0x5457, &(0x7f0000000080)) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r0, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000300)={0x8, 0x0, 0x16}) (async)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r6, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x855}, 0x20000000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20048000) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="7400010084e445a945074c119d9c45b041b71d1d5d078ced3a5c5ed6be076e4afdef0e484d44219e52fd022dffd48906c266d59089c758084b1f009f83d304081607de8156230247cdfd9def1072e6498bb158b8afccc6afcd13a007370f4d94ddd27ff3400cb6442a6803f135cc59de2917c3dff5c3a81236746f6052329b806f1da4b6e1aaef273eda174f99b320335a0e7ef90010b503a6d1a757f337504510c29bd431b9b22c608c4c7e8e374507aaaa3e360d70232252ce071bc349f4ce71b7d96157bdf5", @ANYRES16=r4, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

[ 1914.075523] nbd: must specify a size in bytes for the device
16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
wait4(0xffffffffffffffff, &(0x7f0000000080), 0x2, &(0x7f00000000c0)) (async, rerun: 32)
socket$inet_udp(0x2, 0x2, 0x0) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x18, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000100002000001"], 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r3, 0x200, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa8000000000000}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x20008000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:43 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r2, 0x937, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:43 executing program 2:
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r0=>0xffffffffffffffff, {0xf5bc}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000340)=ANY=[@ANYBLOB="f800000001000000bad075172d04dec162812843d85227bde8032d1683d31cbebaeb0b263d835ffc1f01e57133f413255289a640ecefed6f2c0b96ec28e0610a7c7d1ee4b88827254ac11543cb5342c43690cf16795ad154dbd438710ad8fe100abac808c541167a7ef028af6a61487fb4040b72bd9e28bf595c23ad7a2f0f93a30fdbaddae1aac0236c328e3cb3ad7c3549", @ANYRES32, @ANYBLOB="ff000000000000002e2f66696c653000"])
ioctl$TIOCSLCKTRMIOS(r0, 0x5457, &(0x7f0000000080))
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r0, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r1}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000300)={0x8, 0x0, 0x16})
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r6, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x855}, 0x20000000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20048000)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="7400010084e445a945074c119d9c45b041b71d1d5d078ced3a5c5ed6be076e4afdef0e484d44219e52fd022dffd48906c266d59089c758084b1f009f83d304081607de8156230247cdfd9def1072e6498bb158b8afccc6afcd13a007370f4d94ddd27ff3400cb6442a6803f135cc59de2917c3dff5c3a81236746f6052329b806f1da4b6e1aaef273eda174f99b320335a0e7ef90010b503a6d1a757f337504510c29bd431b9b22c608c4c7e8e374507aaaa3e360d70232252ce071bc349f4ce71b7d96157bdf5", @ANYRES16=r4, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xf5bc}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000340)=ANY=[@ANYBLOB="f800000001000000bad075172d04dec162812843d85227bde8032d1683d31cbebaeb0b263d835ffc1f01e57133f413255289a640ecefed6f2c0b96ec28e0610a7c7d1ee4b88827254ac11543cb5342c43690cf16795ad154dbd438710ad8fe100abac808c541167a7ef028af6a61487fb4040b72bd9e28bf595c23ad7a2f0f93a30fdbaddae1aac0236c328e3cb3ad7c3549", @ANYRES32, @ANYBLOB="ff000000000000002e2f66696c653000"]) (async)
ioctl$TIOCSLCKTRMIOS(r0, 0x5457, &(0x7f0000000080)) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r0, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000300)={0x8, 0x0, 0x16}) (async)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r6, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x855}, 0x20000000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20048000) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="7400010084e445a945074c119d9c45b041b71d1d5d078ced3a5c5ed6be076e4afdef0e484d44219e52fd022dffd48906c266d59089c758084b1f009f83d304081607de8156230247cdfd9def1072e6498bb158b8afccc6afcd13a007370f4d94ddd27ff3400cb6442a6803f135cc59de2917c3dff5c3a81236746f6052329b806f1da4b6e1aaef273eda174f99b320335a0e7ef90010b503a6d1a757f337504510c29bd431b9b22c608c4c7e8e374507aaaa3e360d70232252ce071bc349f4ce71b7d96157bdf5", @ANYRES16=r4, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x18, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000100002000001"], 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r3, 0x200, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa8000000000000}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x20008000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
wait4(0xffffffffffffffff, &(0x7f0000000080), 0x2, &(0x7f00000000c0))
socket$inet_udp(0x2, 0x2, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
wait4(0xffffffffffffffff, &(0x7f0000000080), 0x2, &(0x7f00000000c0)) (async)
socket$inet_udp(0x2, 0x2, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0) (async)

[ 1914.186375] nbd: must specify a size in bytes for the device
16:35:43 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_open_procfs(0x0, &(0x7f0000000040)='task\x00')
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x3c, r1, 0x937, 0x0, 0x1, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_CLIENT_FLAGS={0xfffffffffffffdf0, 0x6, 0x2}]}, 0x3c}}, 0x0)

16:35:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="33849307881be9b7c98cd0be540700000000000000cab7dca2cfdeff58b043c4b6eca0c0a7391b35eeb2cbcc382e2932ffbf9bd36d77d1e7d5c102123b5bbc0eaf2d784cbef82ebb7a8356147a55ec2a7cea9aa36cc99373f921a7270f2bef24b8b767aba406c96d44c37418c77e05262cd211f3e932740ec7d2954e8656f13d3ade960db2f0bb2e8cd40017eed564bda0562cfdbeeb6e3c2b", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

[ 1914.279705] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1914.312772] nbd: must specify a size in bytes for the device
16:35:43 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="33849307881be9b7c98cd0be540700000000000000cab7dca2cfdeff58b043c4b6eca0c0a7391b35eeb2cbcc382e2932ffbf9bd36d77d1e7d5c102123b5bbc0eaf2d784cbef82ebb7a8356147a55ec2a7cea9aa36cc99373f921a7270f2bef24b8b767aba406c96d44c37418c77e05262cd211f3e932740ec7d2954e8656f13d3ade960db2f0bb2e8cd40017eed564bda0562cfdbeeb6e3c2b", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

[ 1914.365132] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 1914.392548] nbd: must specify a size in bytes for the device
16:35:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:43 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="33849307881be9b7c98cd0be540700000000000000cab7dca2cfdeff58b043c4b6eca0c0a7391b35eeb2cbcc382e2932ffbf9bd36d77d1e7d5c102123b5bbc0eaf2d784cbef82ebb7a8356147a55ec2a7cea9aa36cc99373f921a7270f2bef24b8b767aba406c96d44c37418c77e05262cd211f3e932740ec7d2954e8656f13d3ade960db2f0bb2e8cd40017eed564bda0562cfdbeeb6e3c2b", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

[ 1914.411861] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
16:35:43 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
r2 = syz_open_procfs(0x0, &(0x7f0000000040)='task\x00')
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x3c, r1, 0x937, 0x0, 0x1, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_CLIENT_FLAGS={0xfffffffffffffdf0, 0x6, 0x2}]}, 0x3c}}, 0x0)

16:35:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$TIOCSIG(r1, 0x40045436, 0x24)

16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$TIOCSIG(r1, 0x40045436, 0x24)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0) (async)
ioctl$TIOCSIG(r1, 0x40045436, 0x24) (async)

16:35:43 executing program 3:
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(&(0x7f00000005c0), r0)

16:35:43 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_open_procfs(0x0, &(0x7f0000000040)='task\x00')
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x3c, r1, 0x937, 0x0, 0x1, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_CLIENT_FLAGS={0xfffffffffffffdf0, 0x6, 0x2}]}, 0x3c}}, 0x0)

[ 1914.540116] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
16:35:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:43 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)

16:35:43 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)

16:35:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async, rerun: 64)
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (rerun: 64)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$TIOCSIG(r1, 0x40045436, 0x24)

16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

[ 1914.640728] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
16:35:43 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)

16:35:43 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r1, 0x93a, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$KDSETLED(r2, 0x4b32, 0xfffffffffffff801)
ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000000)={0x42, 0xf, &(0x7f00000001c0)="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"})

[ 1914.691013] nbd: must specify a size in bytes for the device
16:35:43 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r2, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8010}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, r2, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000010}, 0x40045)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="8db20000", @ANYRES16=r2, @ANYBLOB="37090000f1ffffffffff000000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x80a, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x66700a69}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:43 executing program 5:
getpid()
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x58}}, 0x4008000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:43 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r1, 0x93a, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$KDSETLED(r2, 0x4b32, 0xfffffffffffff801) (async)
ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000000)={0x42, 0xf, &(0x7f00000001c0)="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"})

16:35:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:43 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r2, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8010}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, r2, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000010}, 0x40045)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="8db20000", @ANYRES16=r2, @ANYBLOB="37090000f1ffffffffff000000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 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$nbd(&(0x7f00000005c0), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r2, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8010}, 0x40) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, r2, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000010}, 0x40045) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="8db20000", @ANYRES16=r2, @ANYBLOB="37090000f1ffffffffff000000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0) (async)

16:35:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:43 executing program 5:
getpid() (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x58}}, 0x4008000) (async, rerun: 32)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (rerun: 32)

16:35:43 executing program 5:
getpid()
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x58}}, 0x4008000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
getpid() (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x58}}, 0x4008000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x80a, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x66700a69}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:43 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r1, 0x93a, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$KDSETLED(r2, 0x4b32, 0xfffffffffffff801)
ioctl$PIO_FONTX(r2, 0x4b6c, &(0x7f0000000000)={0x42, 0xf, &(0x7f00000001c0)="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"})

16:35:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x80a, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x66700a69}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r2, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8010}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, r2, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000010}, 0x40045)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="8db20000", @ANYRES16=r2, @ANYBLOB="37090000f1ffffffffff000000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000040)=ANY=[@ANYBLOB="14040000bd1f0eba9774e5cd380e6f7885e3e357a142612b686c276beaf5fb72e73a03205e08c89f30673deff742d9e9718c86f6e7fda51cfebe96c48d65bbe45f5a713c18a18c7f256cdd6c0cb14058ee4e26a281ead55d47bab42e3ecd2459c71f91cc37f2eaa6a592159cf712015739cdbc17e320ac203bb5076bf20365c92d64c3e9769e934ead22cf23b555612a38b93d38ecde0610715fcaa0103873ff0a1a85ec1ad280e3f249cbd124469e3840ec4dabe466e5024d145e6bd938d004a1e48b648450", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)
ioctl$PIO_UNIMAPCLR(0xffffffffffffffff, 0x4b68, &(0x7f0000000000)={0x800, 0x5, 0x2})

16:35:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000040)=ANY=[@ANYBLOB="14040000bd1f0eba9774e5cd380e6f7885e3e357a142612b686c276beaf5fb72e73a03205e08c89f30673deff742d9e9718c86f6e7fda51cfebe96c48d65bbe45f5a713c18a18c7f256cdd6c0cb14058ee4e26a281ead55d47bab42e3ecd2459c71f91cc37f2eaa6a592159cf712015739cdbc17e320ac203bb5076bf20365c92d64c3e9769e934ead22cf23b555612a38b93d38ecde0610715fcaa0103873ff0a1a85ec1ad280e3f249cbd124469e3840ec4dabe466e5024d145e6bd938d004a1e48b648450", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async)
ioctl$PIO_UNIMAPCLR(0xffffffffffffffff, 0x4b68, &(0x7f0000000000)={0x800, 0x5, 0x2})

16:35:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000040)=ANY=[@ANYBLOB="14040000bd1f0eba9774e5cd380e6f7885e3e357a142612b686c276beaf5fb72e73a03205e08c89f30673deff742d9e9718c86f6e7fda51cfebe96c48d65bbe45f5a713c18a18c7f256cdd6c0cb14058ee4e26a281ead55d47bab42e3ecd2459c71f91cc37f2eaa6a592159cf712015739cdbc17e320ac203bb5076bf20365c92d64c3e9769e934ead22cf23b555612a38b93d38ecde0610715fcaa0103873ff0a1a85ec1ad280e3f249cbd124469e3840ec4dabe466e5024d145e6bd938d004a1e48b648450", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async)
ioctl$PIO_UNIMAPCLR(0xffffffffffffffff, 0x4b68, &(0x7f0000000000)={0x800, 0x5, 0x2})

16:35:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x80a, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x66700a69}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x80a, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x66700a69}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:44 executing program 1:
getpid()
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80001}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x58}}, 0x4008000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x28, 0x0, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x28}}, 0x4000000)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff}, './file0\x00'})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r3, 0xc018937b, &(0x7f0000000280)={{0x1, 0x1, 0x18, r2, {0xee01, 0xffffffffffffffff}}, './file1\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x6c, r1, 0x200, 0x9c0, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x400c010}, 0x4000000)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @in_args={0x4}}, './file0\x00'})
connect$vsock_stream(r4, &(0x7f0000000080)={0x28, 0x0, 0x2711, @hyper}, 0x10)

16:35:44 executing program 0:
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x70280, 0x0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {<r2=>0xee01, 0xee01}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0xee01, <r3=>0xee00}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1, {r2, r3}}, './file0\x00'})
ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, 0x0)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r0, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)

16:35:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:44 executing program 0:
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x70280, 0x0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {<r2=>0xee01, 0xee01}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0xee01, <r3=>0xee00}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1, {r2, r3}}, './file0\x00'})
ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, 0x0)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r0, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x70280, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0xee01, 0xee01}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0xee01, 0xee00}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1, {r2, r3}}, './file0\x00'}) (async)
ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, 0x0) (async)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r0, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x28, 0x0, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x28}}, 0x4000000)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff}, './file0\x00'}) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r3, 0xc018937b, &(0x7f0000000280)={{0x1, 0x1, 0x18, r2, {0xee01, 0xffffffffffffffff}}, './file1\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x6c, r1, 0x200, 0x9c0, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x400c010}, 0x4000000)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @in_args={0x4}}, './file0\x00'})
connect$vsock_stream(r4, &(0x7f0000000080)={0x28, 0x0, 0x2711, @hyper}, 0x10)

16:35:44 executing program 0:
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x70280, 0x0) (async, rerun: 32)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {<r2=>0xee01, 0xee01}}, './file0\x00'}) (rerun: 32)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0xee01, <r3=>0xee00}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r0, 0xc018937b, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1, {r2, r3}}, './file0\x00'}) (async)
ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, 0x0)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r0, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="86b30000000000000000010000000ce60100fdffffffffffffff0c000300000007800c00060001000000000000000043320000000000"], 0x3c}}, 0x0)

16:35:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000440)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r3=>0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c65300002c87b802e9d7d3bd8bd975f2481daa9b5ce1070d18e319456697985a40cecc3d1c3580b6c38fe7e24f2a2742a47feaf0b66e1e96ecf3ed816d7445a72fdd70ff2106ecbb409017dbc133afa86e1d20cbab71ba0c173fa73da939115cbf72baaf1aa818b45050f509d2cd55cd8a440"])
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000001}, 0x10)
ioctl$TIOCSISO7816(r3, 0xc0285443, &(0x7f0000000200)={0x4, 0x5, 0x8c, 0x3f, 0x5})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000500)={0x80, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x80}}, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4}, './file0\x00'})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb0, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8c61}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000000}, 0x804)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x28, 0x0, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x28}}, 0x4000000) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff}, './file0\x00'})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r3, 0xc018937b, &(0x7f0000000280)={{0x1, 0x1, 0x18, r2, {0xee01, 0xffffffffffffffff}}, './file1\x00'}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x6c, r1, 0x200, 0x9c0, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x25}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x400c010}, 0x4000000) (async)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @in_args={0x4}}, './file0\x00'})
connect$vsock_stream(r4, &(0x7f0000000080)={0x28, 0x0, 0x2711, @hyper}, 0x10)

16:35:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:44 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$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="86b30000000000000000010000000ce60100fdffffffffffffff0c000300000007800c00060001000000000000000043320000000000"], 0x3c}}, 0x0)

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000440)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r3=>0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c65300002c87b802e9d7d3bd8bd975f2481daa9b5ce1070d18e319456697985a40cecc3d1c3580b6c38fe7e24f2a2742a47feaf0b66e1e96ecf3ed816d7445a72fdd70ff2106ecbb409017dbc133afa86e1d20cbab71ba0c173fa73da939115cbf72baaf1aa818b45050f509d2cd55cd8a440"])
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000001}, 0x10)
ioctl$TIOCSISO7816(r3, 0xc0285443, &(0x7f0000000200)={0x4, 0x5, 0x8c, 0x3f, 0x5})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000500)={0x80, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x80}}, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4}, './file0\x00'})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb0, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8c61}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000000}, 0x804)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000440)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c65300002c87b802e9d7d3bd8bd975f2481daa9b5ce1070d18e319456697985a40cecc3d1c3580b6c38fe7e24f2a2742a47feaf0b66e1e96ecf3ed816d7445a72fdd70ff2106ecbb409017dbc133afa86e1d20cbab71ba0c173fa73da939115cbf72baaf1aa818b45050f509d2cd55cd8a440"]) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000001}, 0x10) (async)
ioctl$TIOCSISO7816(r3, 0xc0285443, &(0x7f0000000200)={0x4, 0x5, 0x8c, 0x3f, 0x5}) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000080)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000500)={0x80, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x80}}, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r4}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb0, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8c61}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000000}, 0x804) (async)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, @in_args={0x4}}, './file0\x00'})

16:35:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="86b30000000000000000010000000ce60100fdffffffffffffff0c000300000007800c00060001000000000000000043320000000000"], 0x3c}}, 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$nbd(&(0x7f00000005c0), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="86b30000000000000000010000000ce60100fdffffffffffffff0c000300000007800c00060001000000000000000043320000000000"], 0x3c}}, 0x0) (async)

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000440)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r3=>0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c65300002c87b802e9d7d3bd8bd975f2481daa9b5ce1070d18e319456697985a40cecc3d1c3580b6c38fe7e24f2a2742a47feaf0b66e1e96ecf3ed816d7445a72fdd70ff2106ecbb409017dbc133afa86e1d20cbab71ba0c173fa73da939115cbf72baaf1aa818b45050f509d2cd55cd8a440"])
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000001}, 0x10)
ioctl$TIOCSISO7816(r3, 0xc0285443, &(0x7f0000000200)={0x4, 0x5, 0x8c, 0x3f, 0x5})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000500)={0x80, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x80}}, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4}, './file0\x00'})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb0, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8c61}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000000}, 0x804)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, @in_args={0x4}}, './file0\x00'})

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000040)=0x2)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, @in_args={0x4}}, './file0\x00'})

16:35:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/bnep\x00')
r5 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$WG_CMD_GET_DEVICE(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000001040)=ANY=[@ANYBLOB="f30fc56330c0c743cc6031efdd465bfc26f3c0cb4c2b60458a2709462d5a091c93900b6e9fa10207cfd5b00bd6e3a1ca30e229197758a5dd0f15457a04f6adf6a06baac8ee3e02b72807ed4a6fb520", @ANYRES16=r5, @ANYBLOB="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"/2322], 0x910}}, 0x4000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x3, 0x0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000440)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=0x0, @ANYBLOB="080027bd7000ffdbdf25030000000c01020001800000000000000c0004003e000000000000000d00020002000000000000000c000200040000000000000008000100000000000c000800fbffffffffffffff"], 0x58}}, 0x20048000)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(r8, &(0x7f00000002c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e26}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x2400c8c4}, 0x4004880)
ioctl$VHOST_SET_VRING_CALL(r6, 0x4008af21, &(0x7f00000001c0)={0x2})
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000006c0)=ANY=[@ANYBLOB="b0000000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000000030004000000000000005400078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="01000000f5d54cd3dc12fddbc18a01e73bd7f5f9d16e1237c999a33ffa0d9b485238d00c63cb631ad5786c94d02de489ddf7fe272a5f74437dcc6705d52ecc301aeb93a6387fdb33e5c590141b774e872b2e92da5c78", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX], 0xb0}, 0x1, 0x0, 0x0, 0x40040814}, 0x0)

16:35:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000040)=""/200)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r3=>r2, {0x7, 0x8000}}, './file0\x00'})
getsockopt$WPAN_SECURITY(r3, 0x0, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000440)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r3=>0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c65300002c87b802e9d7d3bd8bd975f2481daa9b5ce1070d18e319456697985a40cecc3d1c3580b6c38fe7e24f2a2742a47feaf0b66e1e96ecf3ed816d7445a72fdd70ff2106ecbb409017dbc133afa86e1d20cbab71ba0c173fa73da939115cbf72baaf1aa818b45050f509d2cd55cd8a440"])
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000001}, 0x10)
ioctl$TIOCSISO7816(r3, 0xc0285443, &(0x7f0000000200)={0x4, 0x5, 0x8c, 0x3f, 0x5})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000500)={0x80, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x80}}, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4}, './file0\x00'})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb0, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8c61}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000000}, 0x804)

16:35:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000440)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r3=>0xffffffffffffffff, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c65300002c87b802e9d7d3bd8bd975f2481daa9b5ce1070d18e319456697985a40cecc3d1c3580b6c38fe7e24f2a2742a47feaf0b66e1e96ecf3ed816d7445a72fdd70ff2106ecbb409017dbc133afa86e1d20cbab71ba0c173fa73da939115cbf72baaf1aa818b45050f509d2cd55cd8a440"]) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x40, r2, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000001}, 0x10) (async)
ioctl$TIOCSISO7816(r3, 0xc0285443, &(0x7f0000000200)={0x4, 0x5, 0x8c, 0x3f, 0x5}) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000500)={0x80, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x26}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x80}}, 0x0) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4}, './file0\x00'}) (async)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0) (async)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xb0, 0x0, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r4}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8c61}]}, 0xb0}, 0x1, 0x0, 0x0, 0x20000000}, 0x804)

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000040)=0x2)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000040)=0x2) (async)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r3, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x71}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4040084)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000140)={0x3f, 0x3, 0x5fa})
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x58}}, 0x0)

16:35:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000040)=""/200)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r3=>r2, {0x7, 0x8000}}, './file0\x00'})
getsockopt$WPAN_SECURITY(r3, 0x0, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r3, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x71}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4040084) (async)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000140)={0x3f, 0x3, 0x5fa}) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x58}}, 0x0)

16:35:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r3, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x71}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4040084)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000140)={0x3f, 0x3, 0x5fa})
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x58}}, 0x0)

16:35:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000008000000c0002000000000000000000040007800c0006000100000037630b319500000000"], 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, <r6=>r4, {r4}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, <r7=>r4, {r5}}, './file0\x00'})
r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000280), 0x8000, 0x0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x68, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x68}, 0x1, 0x0, 0x0, 0x40040}, 0x2004001d)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r3, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc199}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x60}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

16:35:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000040)=0x2)

16:35:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000040)=""/200)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r3=>r2, {0x7, 0x8000}}, './file0\x00'})
getsockopt$WPAN_SECURITY(r3, 0x0, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/bnep\x00') (async)
r5 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$WG_CMD_GET_DEVICE(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000001040)=ANY=[@ANYBLOB="f30fc56330c0c743cc6031efdd465bfc26f3c0cb4c2b60458a2709462d5a091c93900b6e9fa10207cfd5b00bd6e3a1ca30e229197758a5dd0f15457a04f6adf6a06baac8ee3e02b72807ed4a6fb520", @ANYRES16=r5, @ANYBLOB="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"/2322], 0x910}}, 0x4000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (rerun: 64)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x3, 0x0) (async, rerun: 32)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (rerun: 32)
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000440)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=0x0, @ANYBLOB="080027bd7000ffdbdf25030000000c01020001800000000000000c0004003e000000000000000d00020002000000000000000c000200040000000000000008000100000000000c000800fbffffffffffffff"], 0x58}}, 0x20048000) (async)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(r8, &(0x7f00000002c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e26}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x2400c8c4}, 0x4004880) (async)
ioctl$VHOST_SET_VRING_CALL(r6, 0x4008af21, &(0x7f00000001c0)={0x2}) (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000006c0)=ANY=[@ANYBLOB="b0000000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000000030004000000000000005400078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="01000000f5d54cd3dc12fddbc18a01e73bd7f5f9d16e1237c999a33ffa0d9b485238d00c63cb631ad5786c94d02de489ddf7fe272a5f74437dcc6705d52ecc301aeb93a6387fdb33e5c590141b774e872b2e92da5c78", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX], 0xb0}, 0x1, 0x0, 0x0, 0x40040814}, 0x0)

16:35:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000040)=""/200)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r3=>r2, {0x7, 0x8000}}, './file0\x00'})
getsockopt$WPAN_SECURITY(r3, 0x0, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r1)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x44, r3, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x71}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4040084) (async)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000140)={0x3f, 0x3, 0x5fa}) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x58}}, 0x0)

16:35:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000008000000c0002000000000000000000040007800c0006000100000037630b319500000000"], 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, <r6=>r4, {r4}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, <r7=>r4, {r5}}, './file0\x00'})
r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000280), 0x8000, 0x0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x68, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x68}, 0x1, 0x0, 0x0, 0x40040}, 0x2004001d)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r3, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc199}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x60}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000008000000c0002000000000000000000040007800c0006000100000037630b319500000000"], 0x30}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, r4, {r4}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, r4, {r5}}, './file0\x00'}) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000280), 0x8000, 0x0) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x68, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x68}, 0x1, 0x0, 0x0, 0x40040}, 0x2004001d) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r3, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc199}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x60}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)

[ 1915.953502] netlink: 156 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1915.976351] nbd: must specify at least one socket
16:35:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x70e9, 0xffffffff}}, './file0\x00'})
syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), r3)

16:35:45 executing program 4:
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000000))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffff05ff0c0043000000000000000000040007800c000600010000000000000000a89b6a5a4eddced8cde828d41b5c334ca9b7d9a785c20c312048d90d35cdf0fac4b0d5cdd58931f0845f9ee4277b040a8106b576dcc9114a50b044607d80c4f7cfc741ce9a681bcd369b8a0c"], 0x3c}}, 0x0)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = getpid()
sched_rr_get_interval(r1, &(0x7f0000000100))
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x4b, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3040000", @ANYRES16=r2, @ANYBLOB="000100000000fddbdf2501000000"], 0x14}}, 0x0)

16:35:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x18, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

16:35:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000008000000c0002000000000000000000040007800c0006000100000037630b319500000000"], 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, <r6=>r4, {r4}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, <r7=>r4, {r5}}, './file0\x00'})
r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000280), 0x8000, 0x0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x68, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x68}, 0x1, 0x0, 0x0, 0x40040}, 0x2004001d)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r3, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc199}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x60}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000008000000c0002000000000000000000040007800c0006000100000037630b319500000000"], 0x30}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, r4, {r4}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, r4, {r5}}, './file0\x00'}) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000280), 0x8000, 0x0) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0x68, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x68}, 0x1, 0x0, 0x0, 0x40040}, 0x2004001d) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r3, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc199}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x60}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)

16:35:45 executing program 4:
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000000)) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffff05ff0c0043000000000000000000040007800c000600010000000000000000a89b6a5a4eddced8cde828d41b5c334ca9b7d9a785c20c312048d90d35cdf0fac4b0d5cdd58931f0845f9ee4277b040a8106b576dcc9114a50b044607d80c4f7cfc741ce9a681bcd369b8a0c"], 0x3c}}, 0x0)

16:35:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x70e9, 0xffffffff}}, './file0\x00'})
syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), r3)
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x70e9, 0xffffffff}}, './file0\x00'}) (async)
syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), r3) (async)

16:35:45 executing program 1:
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000000))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffff05ff0c0043000000000000000000040007800c000600010000000000000000a89b6a5a4eddced8cde828d41b5c334ca9b7d9a785c20c312048d90d35cdf0fac4b0d5cdd58931f0845f9ee4277b040a8106b576dcc9114a50b044607d80c4f7cfc741ce9a681bcd369b8a0c"], 0x3c}}, 0x0)

16:35:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/bnep\x00') (async)
r5 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$WG_CMD_GET_DEVICE(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000001040)=ANY=[@ANYBLOB="f30fc56330c0c743cc6031efdd465bfc26f3c0cb4c2b60458a2709462d5a091c93900b6e9fa10207cfd5b00bd6e3a1ca30e229197758a5dd0f15457a04f6adf6a06baac8ee3e02b72807ed4a6fb520", @ANYRES16=r5, @ANYBLOB="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"/2322], 0x910}}, 0x4000000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
prctl$PR_SCHED_CORE(0x3e, 0x0, 0x0, 0x3, 0x0) (async)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000440)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=0x0, @ANYBLOB="080027bd7000ffdbdf25030000000c01020001800000000000000c0004003e000000000000000d00020002000000000000000c000200040000000000000008000100000000000c000800fbffffffffffffff"], 0x58}}, 0x20048000) (async)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(r8, &(0x7f00000002c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x24, 0x0, 0x200, 0x70bd27, 0x25dfdbff, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e26}, @L2TP_ATTR_DATA_SEQ={0x5, 0x4, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x2400c8c4}, 0x4004880) (async)
ioctl$VHOST_SET_VRING_CALL(r6, 0x4008af21, &(0x7f00000001c0)={0x2}) (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000006c0)=ANY=[@ANYBLOB="b0000000", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000000030004000000000000005400078008000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX, @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="01000000f5d54cd3dc12fddbc18a01e73bd7f5f9d16e1237c999a33ffa0d9b485238d00c63cb631ad5786c94d02de489ddf7fe272a5f74437dcc6705d52ecc301aeb93a6387fdb33e5c590141b774e872b2e92da5c78", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYRESHEX], 0xb0}, 0x1, 0x0, 0x0, 0x40040814}, 0x0)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = getpid()
sched_rr_get_interval(r1, &(0x7f0000000100))
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x4b, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3040000", @ANYRES16=r2, @ANYBLOB="000100000000fddbdf2501000000"], 0x14}}, 0x0)

[ 1916.249285] nbd: must specify a size in bytes for the device
16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = getpid()
sched_rr_get_interval(r1, &(0x7f0000000100))
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x4b, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3040000", @ANYRES16=r2, @ANYBLOB="000100000000fddbdf2501000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getpid() (async)
sched_rr_get_interval(r1, &(0x7f0000000100)) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x4b, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="b3040000", @ANYRES16=r2, @ANYBLOB="000100000000fddbdf2501000000"], 0x14}}, 0x0) (async)

16:35:45 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)=ANY=[@ANYBLOB="010037f8f43ee55a313fbfb23f597e4b65000001001f001800a000", @ANYRES32=<r1=>0xffffffffffffffff, @ANYBLOB="05000000000000002e2f66696c653000"])
ioctl$SNAPSHOT_ATOMIC_RESTORE(r1, 0x3304)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c040007800c00060001000000000000001d1db0"], 0x30}}, 0x0)

16:35:45 executing program 4:
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000000)) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffff05ff0c0043000000000000000000040007800c000600010000000000000000a89b6a5a4eddced8cde828d41b5c334ca9b7d9a785c20c312048d90d35cdf0fac4b0d5cdd58931f0845f9ee4277b040a8106b576dcc9114a50b044607d80c4f7cfc741ce9a681bcd369b8a0c"], 0x3c}}, 0x0)

16:35:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1916.443987] netlink: 156 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1916.459568] nbd: must specify at least one socket
16:35:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r4, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000005}, 0x24044006)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x70e9, 0xffffffff}}, './file0\x00'})
syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), r3)

16:35:45 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)=ANY=[@ANYBLOB="010037f8f43ee55a313fbfb23f597e4b65000001001f001800a000", @ANYRES32=<r1=>0xffffffffffffffff, @ANYBLOB="05000000000000002e2f66696c653000"]) (async)
ioctl$SNAPSHOT_ATOMIC_RESTORE(r1, 0x3304)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c040007800c00060001000000000000001d1db0"], 0x30}}, 0x0)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB], 0x14}}, 0x0)

16:35:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r2, 0x937, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1916.532204] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
16:35:45 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)=ANY=[@ANYBLOB="010037f8f43ee55a313fbfb23f597e4b65000001001f001800a000", @ANYRES32=<r1=>0xffffffffffffffff, @ANYBLOB="05000000000000002e2f66696c653000"]) (async)
ioctl$SNAPSHOT_ATOMIC_RESTORE(r1, 0x3304) (async, rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c040007800c00060001000000000000001d1db0"], 0x30}}, 0x0)

16:35:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r4=>0xffffffffffffffff, @ANYRES32=0xee00, @ANYRES32, @ANYBLOB='9/file0\x00'])
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r3, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x80}, 0x1, 0x0, 0x0, 0x44000}, 0x800)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="37090000000000000000010000000c000200fdffffffbfffffff4c0003000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:45 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {<r4=>0xffffffffffffffff}}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r3, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}]}, 0xac}}, 0x4001)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r4, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000005}, 0x24044006) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB], 0x14}}, 0x0)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB], 0x14}}, 0x0) (async)

16:35:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r2, 0x937, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r4=>0xffffffffffffffff, @ANYRES32=0xee00, @ANYRES32, @ANYBLOB='9/file0\x00'])
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r3, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x80}, 0x1, 0x0, 0x0, 0x44000}, 0x800) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="37090000000000000000010000000c000200fdffffffbfffffff4c0003000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000002388d0adf700"], 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

[ 1916.739762] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1916.761124] nbd: must specify at least one socket
16:35:45 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {<r4=>0xffffffffffffffff}}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r3, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}]}, 0xac}}, 0x4001)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r3, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}]}, 0xac}}, 0x4001) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)

16:35:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000002388d0adf700"], 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000002388d0adf700"], 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async)

16:35:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0xd500dc3e5e1c4af1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x4049)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200000063f7d989d0f1000000000000040007800c0006000100"], 0x30}}, 0x0)

16:35:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r4, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000005}, 0x24044006)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r4=>0xffffffffffffffff, @ANYRES32=0xee00, @ANYRES32, @ANYBLOB='9/file0\x00'])
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r3, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x80}, 0x1, 0x0, 0x0, 0x44000}, 0x800) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="37090000000000000000010000000c000200fdffffffbfffffff4c0003000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1916.902428] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1916.929144] nbd: must specify at least one socket
16:35:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {<r4=>0xffffffffffffffff}}, './file0\x00'}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r3, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}]}, 0xac}}, 0x4001) (async)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0xd500dc3e5e1c4af1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x4049)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200000063f7d989d0f1000000000000040007800c0006000100"], 0x30}}, 0x0)

16:35:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000002388d0adf700"], 0x14}}, 0x0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fcdbdf25010000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="621115eed7ca096708d4e1b7bb6c4139fcdc2d7d97b69499bb1273ce785cb14b9b323a8a7a1b5bf4a8108461c05e07a7b944550361a59a421e0dbdfaeacba712406ce7de45fbf1b499f675f7dc3e8c8a770a460804041a7f450898f7cf1021ca9434c156f77e50cdbf726c5185108bf2d332e08abc76d174e8531d69ef336343ef16c7a471697818eb5de12d93b7dc7635d194ffd4d620ab", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB], 0x48}, 0x1, 0x0, 0x0, 0x40041}, 0x801)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1917.023902] nbd: must specify at least one socket
16:35:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000000000002388d0adf700"], 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:46 executing program 5:
r0 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$WG_CMD_SET_DEVICE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r0, @ANYBLOB="00022abd648ee565a8fbfc02d267"], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x24048420)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0xd500dc3e5e1c4af1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x4049)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200000063f7d989d0f1000000000000040007800c0006000100"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0xd500dc3e5e1c4af1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x4049) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200000063f7d989d0f1000000000000040007800c0006000100"], 0x30}}, 0x0) (async)

16:35:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {<r4=>0xffffffffffffffff}}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xac, r3, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}]}, 0xac}}, 0x4001)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:46 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$nbd(&(0x7f00000005c0), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x44, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}}, 0x0)

16:35:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fcdbdf25010000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="621115eed7ca096708d4e1b7bb6c4139fcdc2d7d97b69499bb1273ce785cb14b9b323a8a7a1b5bf4a8108461c05e07a7b944550361a59a421e0dbdfaeacba712406ce7de45fbf1b499f675f7dc3e8c8a770a460804041a7f450898f7cf1021ca9434c156f77e50cdbf726c5185108bf2d332e08abc76d174e8531d69ef336343ef16c7a471697818eb5de12d93b7dc7635d194ffd4d620ab", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB], 0x48}, 0x1, 0x0, 0x0, 0x40041}, 0x801)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fcdbdf25010000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="621115eed7ca096708d4e1b7bb6c4139fcdc2d7d97b69499bb1273ce785cb14b9b323a8a7a1b5bf4a8108461c05e07a7b944550361a59a421e0dbdfaeacba712406ce7de45fbf1b499f675f7dc3e8c8a770a460804041a7f450898f7cf1021ca9434c156f77e50cdbf726c5185108bf2d332e08abc76d174e8531d69ef336343ef16c7a471697818eb5de12d93b7dc7635d194ffd4d620ab", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB], 0x48}, 0x1, 0x0, 0x0, 0x40041}, 0x801) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 5:
r0 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$WG_CMD_SET_DEVICE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r0, @ANYBLOB="00022abd648ee565a8fbfc02d267"], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x24048420) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

[ 1917.264394] nbd: must specify at least one socket
16:35:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x44, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}}, 0x0)

[ 1917.288758] nbd: must specify at least one socket
16:35:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fcdbdf25010000003400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="621115eed7ca096708d4e1b7bb6c4139fcdc2d7d97b69499bb1273ce785cb14b9b323a8a7a1b5bf4a8108461c05e07a7b944550361a59a421e0dbdfaeacba712406ce7de45fbf1b499f675f7dc3e8c8a770a460804041a7f450898f7cf1021ca9434c156f77e50cdbf726c5185108bf2d332e08abc76d174e8531d69ef336343ef16c7a471697818eb5de12d93b7dc7635d194ffd4d620ab", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB], 0x48}, 0x1, 0x0, 0x0, 0x40041}, 0x801) (async)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 0:
getpeername$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @broadcast}, &(0x7f0000000080)=0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

[ 1917.344590] nbd: must specify at least one socket
16:35:46 executing program 5:
r0 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$WG_CMD_SET_DEVICE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r0, @ANYBLOB="00022abd648ee565a8fbfc02d267"], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x24048420)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 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$nbd(&(0x7f00000005c0), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x44, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}}, 0x0)

[ 1917.414770] nbd: must specify at least one socket
16:35:46 executing program 3:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x3)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000040)={0x5, 0x7f, 0xac})
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$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="37090040000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 0:
getpeername$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @broadcast}, &(0x7f0000000080)=0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$TIPC_MCAST_REPLICAST(0xffffffffffffffff, 0x10f, 0x86)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x48, r3, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffdffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000011}, 0x20008080)

[ 1917.512280] nbd: must specify at least one socket
16:35:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="0000c32fcc437f3b4b3e300a387e68557ec87c6b925eb655189921e0e9bec29105f585f5e7793cfcb2882026d82fdb3ee0675e0dacdea91e05316b59c1235b749b7f183548834d2cec7df5bc23b97f7bbd09c0a8a638396b09c78e3defd2dacfa0acd997976cc253c3fb16a173575859e1f7b6e786f58e9202734cf53f3e87e4e15259055b4f98d47af53facc417bea7c70000007efe0fde205deb49de1d2b42337f359208075b3597b3d42db86bfb284ac927724d91394223c08b", @ANYRES16=r2, @ANYBLOB="00030000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400002c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400002c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080}, 0x80) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400002c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async)

16:35:46 executing program 0:
getpeername$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @broadcast}, &(0x7f0000000080)=0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
setsockopt$TIPC_MCAST_REPLICAST(0xffffffffffffffff, 0x10f, 0x86)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:46 executing program 3:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x3)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000040)={0x5, 0x7f, 0xac})
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$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="37090040000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400002c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080}, 0x80) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400002c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async)

16:35:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="0000c32fcc437f3b4b3e300a387e68557ec87c6b925eb655189921e0e9bec29105f585f5e7793cfcb2882026d82fdb3ee0675e0dacdea91e05316b59c1235b749b7f183548834d2cec7df5bc23b97f7bbd09c0a8a638396b09c78e3defd2dacfa0acd997976cc253c3fb16a173575859e1f7b6e786f58e9202734cf53f3e87e4e15259055b4f98d47af53facc417bea7c70000007efe0fde205deb49de1d2b42337f359208075b3597b3d42db86bfb284ac927724d91394223c08b", @ANYRES16=r2, @ANYBLOB="00030000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (rerun: 64)

16:35:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)

16:35:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000dd10355f1d05fc5f2380e9097523ded481d0000"], 0x14}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bind$vsock_stream(r1, &(0x7f0000000000), 0x10)
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$nbd(&(0x7f0000000240), r3)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008001}, 0x20000004)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20840)

16:35:46 executing program 1:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x3)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000040)={0x5, 0x7f, 0xac})
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$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="37090040000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 3:
r0 = syz_open_dev$tty1(0xc, 0x4, 0x3)
ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000040)={0x5, 0x7f, 0xac})
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$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="37090040000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$TIPC_MCAST_REPLICAST(0xffffffffffffffff, 0x10f, 0x86)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)

16:35:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000dd10355f1d05fc5f2380e9097523ded481d0000"], 0x14}}, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bind$vsock_stream(r1, &(0x7f0000000000), 0x10) (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$nbd(&(0x7f0000000240), r3) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008001}, 0x20000004) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20840)

16:35:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000000100020000000200fdffffffffffffff0c000300000000000000000004000780dee84a860b1a9908b4e1dc96c2f38168c8cfa7fbefd7afd89622381030b954bfa86b7fe543eedc5017d5abacacee9b3ab08b4e9458ea3b6f69d152613adf24c2f0b3fef407d8d2fed946f44fecb83a4ef5007cfcf43af57d18ae05adb4d2815368877fdcb2f646503112f0c703557868d342f1c52a543b98504ada252345e317f35b4de3349d946cb06d4f433a67c28c90afbbc2d4263273ce35526c67a4be86c94da7592ebe6f87d9f7ae71"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000dd10355f1d05fc5f2380e9097523ded481d0000"], 0x14}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bind$vsock_stream(r1, &(0x7f0000000000), 0x10)
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$nbd(&(0x7f0000000240), r3)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008001}, 0x20000004)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20840)

16:35:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000206fdffffffffffffff0c0003000000000000000000040007800c003a7cb9e8000000000000"], 0x3c}}, 0x0)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB="0000c32fcc437f3b4b3e300a387e68557ec87c6b925eb655189921e0e9bec29105f585f5e7793cfcb2882026d82fdb3ee0675e0dacdea91e05316b59c1235b749b7f183548834d2cec7df5bc23b97f7bbd09c0a8a638396b09c78e3defd2dacfa0acd997976cc253c3fb16a173575859e1f7b6e786f58e9202734cf53f3e87e4e15259055b4f98d47af53facc417bea7c70000007efe0fde205deb49de1d2b42337f359208075b3597b3d42db86bfb284ac927724d91394223c08b", @ANYRES16=r2, @ANYBLOB="00030000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0) (async)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000dd10355f1d05fc5f2380e9097523ded481d0000"], 0x14}}, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
bind$vsock_stream(r1, &(0x7f0000000000), 0x10)
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$nbd(&(0x7f0000000240), r3)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008001}, 0x20000004) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20840)

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000000100020000000200fdffffffffffffff0c000300000000000000000004000780dee84a860b1a9908b4e1dc96c2f38168c8cfa7fbefd7afd89622381030b954bfa86b7fe543eedc5017d5abacacee9b3ab08b4e9458ea3b6f69d152613adf24c2f0b3fef407d8d2fed946f44fecb83a4ef5007cfcf43af57d18ae05adb4d2815368877fdcb2f646503112f0c703557868d342f1c52a543b98504ada252345e317f35b4de3349d946cb06d4f433a67c28c90afbbc2d4263273ce35526c67a4be86c94da7592ebe6f87d9f7ae71"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1918.016808] nbd: must specify at least one socket
16:35:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}}, 0x0)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000000)={0x7f, 0x45d8, 0x3})
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000100)={{0x1, 0x1, 0x18, r3, {0xd}}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x14, r2, 0x937}, 0x14}, 0x1, 0x0, 0x0, 0x200400c0}, 0x2)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000206fdffffffffffffff0c0003000000000000000000040007800c003a7cb9e8000000000000"], 0x3c}}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000206fdffffffffffffff0c0003000000000000000000040007800c003a7cb9e8000000000000"], 0x3c}}, 0x0) (async)

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000000100020000000200fdffffffffffffff0c000300000000000000000004000780dee84a860b1a9908b4e1dc96c2f38168c8cfa7fbefd7afd89622381030b954bfa86b7fe543eedc5017d5abacacee9b3ab08b4e9458ea3b6f69d152613adf24c2f0b3fef407d8d2fed946f44fecb83a4ef5007cfcf43af57d18ae05adb4d2815368877fdcb2f646503112f0c703557868d342f1c52a543b98504ada252345e317f35b4de3349d946cb06d4f433a67c28c90afbbc2d4263273ce35526c67a4be86c94da7592ebe6f87d9f7ae71"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1918.043196] nbd: must specify a size in bytes for the device
[ 1918.079787] nbd: must specify at least one socket
16:35:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7810}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x4004000)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0xffffffff}}, './file0\x00'})
r4 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x181080, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x80, 0x0, 0x508, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80000001}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1c58}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000000}, 0x4008084)
ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1918.165591] nbd: must specify a size in bytes for the device
16:35:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000800040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:47 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000206fdffffffffffffff0c0003000000000000000000040007800c003a7cb9e8000000000000"], 0x3c}}, 0x0)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNAPSHOT_GET_IMAGE_SIZE(0xffffffffffffffff, 0x8008330e, &(0x7f0000000000))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

[ 1918.218317] nbd: must specify at least one socket
[ 1918.228752] nbd: must specify a size in bytes for the device
16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNAPSHOT_GET_IMAGE_SIZE(0xffffffffffffffff, 0x8008330e, &(0x7f0000000000))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$SNAPSHOT_GET_IMAGE_SIZE(0xffffffffffffffff, 0x8008330e, &(0x7f0000000000)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNAPSHOT_GET_IMAGE_SIZE(0xffffffffffffffff, 0x8008330e, &(0x7f0000000000))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$SNAPSHOT_GET_IMAGE_SIZE(0xffffffffffffffff, 0x8008330e, &(0x7f0000000000)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000000)={0x7f, 0x45d8, 0x3}) (async)
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0) (async, rerun: 64)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000100)={{0x1, 0x1, 0x18, r3, {0xd}}, './file0\x00'}) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x14, r2, 0x937}, 0x14}, 0x1, 0x0, 0x0, 0x200400c0}, 0x2) (async, rerun: 32)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (rerun: 32)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
keyctl$session_to_parent(0x12)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB='\x00\x00\'G(E\x00'])
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[], 0x3c}}, 0x0)

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000200)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r2, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2e}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x91)

[ 1918.344454] nbd: must specify at least one socket
16:35:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="17090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000000c0)=ANY=[@ANYBLOB="0100fd63f44146f0d2d0691235e69b7400", @ANYRES32=<r3=>0xffffffffffffffff, @ANYBLOB="01000000000000002e2f66696c653000"])
r4 = socket(0xa, 0x2, 0x0)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f00000002c0)={0x0}}, 0x0)
setsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, &(0x7f0000000080)=0x8, 0x4)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
keyctl$session_to_parent(0x12)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB='\x00\x00\'G(E\x00'])
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[], 0x3c}}, 0x0)

16:35:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000800040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getsockopt$WPAN_WANTLQI(0xffffffffffffffff, 0x0, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000000)=<r1=>0x0)
sched_getattr(r1, &(0x7f0000000040)={0x38}, 0x38, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
ioctl$GIO_FONT(0xffffffffffffffff, 0x4b60, &(0x7f0000000100)=""/116)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000000)={0x7f, 0x45d8, 0x3})
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000100)={{0x1, 0x1, 0x18, r3, {0xd}}, './file0\x00'}) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x14, r2, 0x937}, 0x14}, 0x1, 0x0, 0x0, 0x200400c0}, 0x2)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
keyctl$session_to_parent(0x12)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB='\x00\x00\'G(E\x00']) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[], 0x3c}}, 0x0)

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000200)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r2, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2e}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x91)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getsockopt$WPAN_WANTLQI(0xffffffffffffffff, 0x0, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000000)=<r1=>0x0)
sched_getattr(r1, &(0x7f0000000040)={0x38}, 0x38, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
ioctl$GIO_FONT(0xffffffffffffffff, 0x4b60, &(0x7f0000000100)=""/116)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getsockopt$WPAN_WANTLQI(0xffffffffffffffff, 0x0, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4) (async)
ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000000)) (async)
sched_getattr(r1, &(0x7f0000000040)={0x38}, 0x38, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
ioctl$GIO_FONT(0xffffffffffffffff, 0x4b60, &(0x7f0000000100)=""/116) (async)

16:35:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000800040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000200210c0002080000000000000000040007800c0006000100000100200000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000800040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000200)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r2, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2e}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x91)
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000200)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, r2, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2e}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x91) (async)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
setsockopt$WPAN_WANTACK(r4, 0x0, 0x0, &(0x7f0000000200), 0x4)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000800}, 0x40080)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000200210c0002080000000000000000040007800c0006000100000100200000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getsockopt$WPAN_WANTLQI(0xffffffffffffffff, 0x0, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4)
ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000000)=<r1=>0x0)
sched_getattr(r1, &(0x7f0000000040)={0x38}, 0x38, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
ioctl$GIO_FONT(0xffffffffffffffff, 0x4b60, &(0x7f0000000100)=""/116)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getsockopt$WPAN_WANTLQI(0xffffffffffffffff, 0x0, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4) (async)
ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000000)) (async)
sched_getattr(r1, &(0x7f0000000040)={0x38}, 0x38, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
ioctl$GIO_FONT(0xffffffffffffffff, 0x4b60, &(0x7f0000000100)=""/116) (async)

16:35:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x3}}, './file0\x00'})
bind$tipc(r3, &(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x2, 0x2}}, 0x10)

16:35:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000200210c0002080000000000000000040007800c0006000100000100200000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000200210c0002080000000000000000040007800c0006000100000100200000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe9b}]}, 0x20}, 0x1, 0x0, 0x0, 0x122704704f9e9313}, 0x4000)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
setsockopt$WPAN_WANTACK(r4, 0x0, 0x0, &(0x7f0000000200), 0x4)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000800}, 0x40080)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
setsockopt$WPAN_WANTACK(r4, 0x0, 0x0, &(0x7f0000000200), 0x4) (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000800}, 0x40080) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="30000000a24bd086938c1d783f23fe2f495af0ca6f8dd39428fc002dc4f9d683d8c16a05acfae7ab7191", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe9b}]}, 0x20}, 0x1, 0x0, 0x0, 0x122704704f9e9313}, 0x4000)

16:35:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x3}}, './file0\x00'})
bind$tipc(r3, &(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x2, 0x2}}, 0x10)

16:35:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe9b}]}, 0x20}, 0x1, 0x0, 0x0, 0x122704704f9e9313}, 0x4000)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe9b}]}, 0x20}, 0x1, 0x0, 0x0, 0x122704704f9e9313}, 0x4000)

16:35:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
clock_gettime(0x5, &(0x7f0000000040))

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="30000000a24bd086938c1d783f23fe2f495af0ca6f8dd39428fc002dc4f9d683d8c16a05acfae7ab7191", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
setsockopt$WPAN_WANTACK(r4, 0x0, 0x0, &(0x7f0000000200), 0x4) (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000800}, 0x40080) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
setsockopt$WPAN_WANTACK(r4, 0x0, 0x0, &(0x7f0000000200), 0x4)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000800}, 0x40080)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x2}, 0x14}}, 0x0)

16:35:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="30000000a24bd086938c1d783f23fe2f495af0ca6f8dd39428fc002dc4f9d683d8c16a05acfae7ab7191", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37000200fdffffffffffffff2f0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x2}, 0x14}}, 0x0)

16:35:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x3}}, './file0\x00'})
bind$tipc(r3, &(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x2, 0x2}}, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x3}}, './file0\x00'}) (async)
bind$tipc(r3, &(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x2, 0x2}}, 0x10) (async)

16:35:48 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37000200fdffffffffffffff2f0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x2}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x2}, 0x14}}, 0x0) (async)

16:35:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
clock_gettime(0x5, &(0x7f0000000040))

16:35:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='attr/exec\x00')
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20000800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000f32b556fdc320510"], 0x14}}, 0x4000810)
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x20001, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$KDFONTOP_COPY(r1, 0x4b72, &(0x7f0000000000)={0x3, 0x0, 0x4, 0x3, 0x7f, &(0x7f00000004c0)})

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000f32b556fdc320510"], 0x14}}, 0x4000810)
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x20001, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$KDFONTOP_COPY(r1, 0x4b72, &(0x7f0000000000)={0x3, 0x0, 0x4, 0x3, 0x7f, &(0x7f00000004c0)})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000f32b556fdc320510"], 0x14}}, 0x4000810) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x20001, 0x0) (async)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0) (async)
ioctl$KDFONTOP_COPY(r1, 0x4b72, &(0x7f0000000000)={0x3, 0x0, 0x4, 0x3, 0x7f, &(0x7f00000004c0)}) (async)

16:35:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
clock_gettime(0x5, &(0x7f0000000040))

16:35:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
clock_gettime(0x5, &(0x7f0000000040))

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000f32b556fdc320510"], 0x14}}, 0x4000810)
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x20001, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0) (async)
ioctl$KDFONTOP_COPY(r1, 0x4b72, &(0x7f0000000000)={0x3, 0x0, 0x4, 0x3, 0x7f, &(0x7f00000004c0)})

16:35:48 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37000200fdffffffffffffff2f0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0xffffffffffffffff}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @in_args={0x2}}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000300)='net/vlan/config\x00')
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x0, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2b0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4810}, 0x400c000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
semctl$IPC_STAT(0x0, 0x0, 0x2, &(0x7f0000000180)=""/171)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="28000000790200115a", @ANYRESHEX=r1, @ANYBLOB="080029bd7000fbdbdf25020000001400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB], 0x28}}, 0x8000)

16:35:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r2, 0x524, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000890)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_MTU={0x6}]}, 0x1c}}, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, r5, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@L2TP_ATTR_MTU={0x6, 0x1c, 0xffc1}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x1}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e24}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'netdevsim0\x00'}, @L2TP_ATTR_CONN_ID={0x8, 0x9, 0x4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24040804}, 0x4084)

16:35:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='attr/exec\x00')
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20000800) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x2, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @mcast1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @rand_addr=0x64010100}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0xc4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40010)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 4:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x80080, 0x0)
r1 = socket$l2tp(0x2, 0x2, 0x73)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000280)={{0x1, 0x1, 0x18, r0, {r2}}, './file0\x00'})
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {r2}}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r4)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000002c0)={0x3c, r5, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x45}]}, 0x3c}}, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x60002, 0x0)
r7 = socket(0x21, 0x8d36a7d14e6cc789, 0x3)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0300000001000c00020015584c4c00efe6221ec5360200001c0007116617a0b80000", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="0c000800bcb1000000000000"], 0x54}, 0x1, 0x0, 0x0, 0x40000}, 0x4)

16:35:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async, rerun: 32)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='attr/exec\x00') (rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20000800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0xffffffffffffffff}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @in_args={0x2}}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000300)='net/vlan/config\x00')
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x0, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2b0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4810}, 0x400c000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
semctl$IPC_STAT(0x0, 0x0, 0x2, &(0x7f0000000180)=""/171)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="28000000790200115a", @ANYRESHEX=r1, @ANYBLOB="080029bd7000fbdbdf25020000001400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB], 0x28}}, 0x8000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000002c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, @in_args={0x2}}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000300)='net/vlan/config\x00') (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x0, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2b0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4810}, 0x400c000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
semctl$IPC_STAT(0x0, 0x0, 0x2, &(0x7f0000000180)=""/171) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="28000000790200115a", @ANYRESHEX=r1, @ANYBLOB="080029bd7000fbdbdf25020000001400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB], 0x28}}, 0x8000) (async)

16:35:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='attr/exec\x00')
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20000800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r2, 0x524, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000890)
r4 = socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_MTU={0x6}]}, 0x1c}}, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, r5, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@L2TP_ATTR_MTU={0x6, 0x1c, 0xffc1}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x1}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e24}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'netdevsim0\x00'}, @L2TP_ATTR_CONN_ID={0x8, 0x9, 0x4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24040804}, 0x4084)

16:35:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x2, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @mcast1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @rand_addr=0x64010100}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0xc4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40010)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff) (async)
sendmsg$L2TP_CMD_TUNNEL_DELETE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x2, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @mcast1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @rand_addr=0x64010100}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0xc4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40010) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:48 executing program 4:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x80080, 0x0)
r1 = socket$l2tp(0x2, 0x2, 0x73)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000280)={{0x1, 0x1, 0x18, r0, {r2}}, './file0\x00'})
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {r2}}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r4)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000002c0)={0x3c, r5, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x45}]}, 0x3c}}, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x60002, 0x0)
r7 = socket(0x21, 0x8d36a7d14e6cc789, 0x3)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0300000001000c00020015584c4c00efe6221ec5360200001c0007116617a0b80000", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="0c000800bcb1000000000000"], 0x54}, 0x1, 0x0, 0x0, 0x40000}, 0x4)
openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x80080, 0x0) (async)
socket$l2tp(0x2, 0x2, 0x73) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000280)={{0x1, 0x1, 0x18, r0, {r2}}, './file0\x00'}) (async)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {r2}}, './file0\x00'}) (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$nbd(&(0x7f00000005c0), r4) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000002c0)={0x3c, r5, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x45}]}, 0x3c}}, 0x0) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x60002, 0x0) (async)
socket(0x21, 0x8d36a7d14e6cc789, 0x3) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0300000001000c00020015584c4c00efe6221ec5360200001c0007116617a0b80000", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="0c000800bcb1000000000000"], 0x54}, 0x1, 0x0, 0x0, 0x40000}, 0x4) (async)

16:35:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = socket$vsock_stream(0x28, 0x1, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r3, 0x28, 0x1, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000002000000d2bb2773c631ade7a07c835ba6f9a33066a88f72a71751948d1e9abf3c0f567906630241f30f6770d0d7bf00ab959903b11e268f21bd223ac6b53729765174882484472f3cd858d20477beadc39b8c1b6786591a11fcecc97ee0d05634114f7805e35d9acc5533fbd03c"], 0x14}}, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r5, {0x7f}}, './file0\x00'})
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x94, 0x0, 0x300, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x43}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x94}, 0x1, 0x0, 0x0, 0x10}, 0x20040000)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 1:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x80080, 0x0)
r1 = socket$l2tp(0x2, 0x2, 0x73)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000280)={{0x1, 0x1, 0x18, r0, {r2}}, './file0\x00'})
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {r2}}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r4)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000002c0)={0x3c, r5, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x45}]}, 0x3c}}, 0x0)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x60002, 0x0)
r7 = socket(0x21, 0x8d36a7d14e6cc789, 0x3)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0300000001000c00020015584c4c00efe6221ec5360200001c0007116617a0b80000", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="0c000800bcb1000000000000"], 0x54}, 0x1, 0x0, 0x0, 0x40000}, 0x4)

16:35:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r2, 0x524, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000890)
r4 = socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_MTU={0x6}]}, 0x1c}}, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, r5, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@L2TP_ATTR_MTU={0x6, 0x1c, 0xffc1}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x1}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e24}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'netdevsim0\x00'}, @L2TP_ATTR_CONN_ID={0x8, 0x9, 0x4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24040804}, 0x4084)

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async, rerun: 64)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0xffffffffffffffff}}, './file0\x00'}) (async, rerun: 64)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @in_args={0x2}}, './file0\x00'}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000300)='net/vlan/config\x00')
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x0, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2b0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4810}, 0x400c000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
semctl$IPC_STAT(0x0, 0x0, 0x2, &(0x7f0000000180)=""/171) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="28000000790200115a", @ANYRESHEX=r1, @ANYBLOB="080029bd7000fbdbdf25020000001400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB], 0x28}}, 0x8000)

16:35:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = socket$vsock_stream(0x28, 0x1, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r3, 0x28, 0x1, 0x0, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000002000000d2bb2773c631ade7a07c835ba6f9a33066a88f72a71751948d1e9abf3c0f567906630241f30f6770d0d7bf00ab959903b11e268f21bd223ac6b53729765174882484472f3cd858d20477beadc39b8c1b6786591a11fcecc97ee0d05634114f7805e35d9acc5533fbd03c"], 0x14}}, 0x0) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r5, {0x7f}}, './file0\x00'})
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x94, 0x0, 0x300, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x43}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x94}, 0x1, 0x0, 0x0, 0x10}, 0x20040000) (async)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 4:
r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x80080, 0x0)
r1 = socket$l2tp(0x2, 0x2, 0x73)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000280)={{0x1, 0x1, 0x18, r0, {r2}}, './file0\x00'}) (async)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {r2}}, './file0\x00'}) (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$nbd(&(0x7f00000005c0), r4)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000002c0)={0x3c, r5, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x45}]}, 0x3c}}, 0x0) (async)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x60002, 0x0) (async)
r7 = socket(0x21, 0x8d36a7d14e6cc789, 0x3)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0300000001000c00020015584c4c00efe6221ec5360200001c0007116617a0b80000", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="0c000800bcb1000000000000"], 0x54}, 0x1, 0x0, 0x0, 0x40000}, 0x4)

16:35:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x2, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @mcast1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @rand_addr=0x64010100}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0xc4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40010) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x2, 0x70bd27, 0x25dfdbfc, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @mcast1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @rand_addr=0x64010100}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0xc4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x5}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40010)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x4c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x4c}}, 0x0)

16:35:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090020000000000000010000000c0002000000000000000000040007800c000600010000000000002ebe00"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 4:
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000040))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = socket$vsock_stream(0x28, 0x1, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r3, 0x28, 0x1, 0x0, 0x0) (async, rerun: 32)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000002000000d2bb2773c631ade7a07c835ba6f9a33066a88f72a71751948d1e9abf3c0f567906630241f30f6770d0d7bf00ab959903b11e268f21bd223ac6b53729765174882484472f3cd858d20477beadc39b8c1b6786591a11fcecc97ee0d05634114f7805e35d9acc5533fbd03c"], 0x14}}, 0x0) (async, rerun: 32)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f00000001c0)={{0x1, 0x1, 0x18, r5, {0x7f}}, './file0\x00'}) (async, rerun: 64)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (rerun: 64)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x94, 0x0, 0x300, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x43}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}]}, 0x94}, 0x1, 0x0, 0x0, 0x10}, 0x20040000) (async)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r7, 0x937, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000200000000000001000000"], 0x14}}, 0x0)

16:35:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff}) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x4c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x4c}}, 0x0)

16:35:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r2, 0x524, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000890)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r4, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_MTU={0x6}]}, 0x1c}}, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, r5, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@L2TP_ATTR_MTU={0x6, 0x1c, 0xffc1}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x1}, @L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e24}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'netdevsim0\x00'}, @L2TP_ATTR_CONN_ID={0x8, 0x9, 0x4}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24040804}, 0x4084)

[ 1919.836737] nbd: must specify a size in bytes for the device
16:35:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000200000000000001000000"], 0x14}}, 0x0)

16:35:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090020000000000000010000000c0002000000000000000000040007800c000600010000000000002ebe00"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090020000000000000010000000c0002000000000000000000040007800c000600010000000000002ebe00"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:49 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000200000000000001000000"], 0x14}}, 0x0)

16:35:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff}) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x4c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x4c}}, 0x0) (rerun: 64)

[ 1919.956372] nbd: must specify a size in bytes for the device
16:35:49 executing program 4:
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000040))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000040)) (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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)

16:35:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090020000000000000010000000c0002000000000000000000040007800c000600010000000000002ebe00"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:49 executing program 5:
r0 = socket(0x2a, 0x6, 0x3)
bind$802154_dgram(r0, &(0x7f0000000000)={0x24, @none={0x0, 0xffff}}, 0x14)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>r0, {0xffffffffffffffff}}, './file0\x00'})
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, r2, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r0}, {0x8, 0x1, r4}, {0x8, 0x1, r0}, {0x8, 0x1, r5}, {0x8, 0x1, r0}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40000)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r2, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x54}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6da4b3b9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004004}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:49 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090020000000000000010000000c0002000000000000000000040007800c000600010000000000002ebe00"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

16:35:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000180)={r2})
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x20, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2000000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x820)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r2, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x54}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6da4b3b9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004004}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r2, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x54}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6da4b3b9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004004}, 0x20000001) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:49 executing program 5:
r0 = socket(0x2a, 0x6, 0x3)
bind$802154_dgram(r0, &(0x7f0000000000)={0x24, @none={0x0, 0xffff}}, 0x14) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async, rerun: 64)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (rerun: 64)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>r0, {0xffffffffffffffff}}, './file0\x00'}) (async)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, r2, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r0}, {0x8, 0x1, r4}, {0x8, 0x1, r0}, {0x8, 0x1, r5}, {0x8, 0x1, r0}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40000) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:49 executing program 4:
ioctl$GIO_CMAP(0xffffffffffffffff, 0x4b70, &(0x7f0000000040)) (async, rerun: 32)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:49 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0) (async)
ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000180)={r2}) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x20, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2000000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x820) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 1)

16:35:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r2, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x54}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6da4b3b9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004004}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r2, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x54}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x120}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6da4b3b9}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004004}, 0x20000001) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x44, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}}, 0x0)

16:35:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0) (async)
ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000180)={r2}) (async, rerun: 32)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x20, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2000000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x820) (rerun: 32)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:49 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1920.440255] FAULT_INJECTION: forcing a failure.
[ 1920.440255] name failslab, interval 1, probability 0, space 0, times 0
[ 1920.440639] nbd: must specify at least one socket
[ 1920.485289] CPU: 1 PID: 13053 Comm: syz-executor.1 Not tainted 4.14.261-syzkaller #0
[ 1920.493207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1920.502560] Call Trace:
[ 1920.505153]  dump_stack+0x1b2/0x281
[ 1920.508786]  should_fail.cold+0x10a/0x149
[ 1920.512943]  should_failslab+0xd6/0x130
[ 1920.516923]  kmem_cache_alloc_node+0x263/0x410
[ 1920.521512]  __alloc_skb+0x5c/0x510
[ 1920.525140]  netlink_sendmsg+0x91e/0xbc0
[ 1920.529211]  ? nlmsg_notify+0x1b0/0x1b0
[ 1920.533190]  ? kernel_recvmsg+0x210/0x210
[ 1920.537346]  ? security_socket_sendmsg+0x83/0xb0
[ 1920.542101]  ? nlmsg_notify+0x1b0/0x1b0
[ 1920.546075]  sock_sendmsg+0xb5/0x100
[ 1920.549785]  ___sys_sendmsg+0x6c8/0x800
[ 1920.553753]  ? get_pid_task+0x91/0x130
[ 1920.557636]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1920.562388]  ? lock_downgrade+0x740/0x740
[ 1920.566543]  ? lock_acquire+0x170/0x3f0
[ 1920.570847]  ? lock_downgrade+0x740/0x740
[ 1920.574995]  ? __fget+0x2df/0x460
[ 1920.578451]  ? __fdget+0x19b/0x1f0
[ 1920.581985]  ? sockfd_lookup_light+0xb2/0x160
[ 1920.586476]  __sys_sendmsg+0xa3/0x120
[ 1920.590269]  ? SyS_shutdown+0x160/0x160
[ 1920.594331]  ? wait_for_completion_io+0x10/0x10
[ 1920.599009]  ? SyS_read+0x210/0x210
[ 1920.602633]  ? __do_page_fault+0x159/0xad0
[ 1920.606866]  SyS_sendmsg+0x27/0x40
[ 1920.610402]  ? __sys_sendmsg+0x120/0x120
[ 1920.614459]  do_syscall_64+0x1d5/0x640
[ 1920.618349]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1920.623533] RIP: 0033:0x7f7f64620e99
[ 1920.627234] RSP: 002b:00007f7f62f96168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
16:35:49 executing program 5:
r0 = socket(0x2a, 0x6, 0x3)
bind$802154_dgram(r0, &(0x7f0000000000)={0x24, @none={0x0, 0xffff}}, 0x14) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async, rerun: 32)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (rerun: 32)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>r0, {0xffffffffffffffff}}, './file0\x00'}) (async)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, r2, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r0}, {0x8, 0x1, r4}, {0x8, 0x1, r0}, {0x8, 0x1, r5}, {0x8, 0x1, r0}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40000) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000000}, 0x20000051)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb4, r2, 0x2, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfc9b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r2, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xcd6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000084}, 0x20008000)

16:35:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x44, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}}, 0x0)

16:35:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r5, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x40000)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x34, r7, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x8081)

[ 1920.634941] RAX: ffffffffffffffda RBX: 00007f7f64733f60 RCX: 00007f7f64620e99
[ 1920.642213] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1920.649479] RBP: 00007f7f62f961d0 R08: 0000000000000000 R09: 0000000000000000
[ 1920.656749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1920.664017] R13: 00007fff5777e16f R14: 00007f7f62f96300 R15: 0000000000022000
16:35:49 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x44, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}}, 0x0)

16:35:49 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB='\b\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

[ 1920.760513] nbd: must specify at least one socket
[ 1920.844856] nbd: must specify at least one socket
16:35:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 2)

16:35:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000000}, 0x20000051) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb4, r2, 0x2, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfc9b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r2, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xcd6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000084}, 0x20008000)

16:35:49 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB='\b\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="77090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:49 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x4840, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r4)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x75d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004045}, 0x800)

16:35:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 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)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r5, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x40000)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x34, r7, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x8081)

16:35:50 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="77090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000000}, 0x20000051)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb4, r2, 0x2, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfc9b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r2, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xcd6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000084}, 0x20008000)
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000000}, 0x20000051) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000280)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xb4, r2, 0x2, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfc9b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r2, 0x8, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xcd6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000084}, 0x20008000) (async)

16:35:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB='\b\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

[ 1920.999282] FAULT_INJECTION: forcing a failure.
[ 1920.999282] name failslab, interval 1, probability 0, space 0, times 0
[ 1921.042181] CPU: 0 PID: 13137 Comm: syz-executor.1 Not tainted 4.14.261-syzkaller #0
[ 1921.050099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1921.059450] Call Trace:
[ 1921.062127]  dump_stack+0x1b2/0x281
[ 1921.065757]  should_fail.cold+0x10a/0x149
[ 1921.069905]  should_failslab+0xd6/0x130
[ 1921.073878]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1921.078979]  __kmalloc_node_track_caller+0x38/0x70
[ 1921.083903]  __alloc_skb+0x96/0x510
[ 1921.087527]  netlink_sendmsg+0x91e/0xbc0
[ 1921.091762]  ? nlmsg_notify+0x1b0/0x1b0
[ 1921.095726]  ? kernel_recvmsg+0x210/0x210
[ 1921.099875]  ? security_socket_sendmsg+0x83/0xb0
[ 1921.104624]  ? nlmsg_notify+0x1b0/0x1b0
[ 1921.108592]  sock_sendmsg+0xb5/0x100
[ 1921.112300]  ___sys_sendmsg+0x6c8/0x800
[ 1921.116269]  ? get_pid_task+0x91/0x130
[ 1921.120152]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1921.124908]  ? lock_downgrade+0x740/0x740
[ 1921.129062]  ? lock_acquire+0x170/0x3f0
[ 1921.133032]  ? lock_downgrade+0x740/0x740
[ 1921.137173]  ? __fget+0x2df/0x460
[ 1921.140626]  ? __fdget+0x19b/0x1f0
[ 1921.144164]  ? sockfd_lookup_light+0xb2/0x160
[ 1921.148656]  __sys_sendmsg+0xa3/0x120
[ 1921.152541]  ? SyS_shutdown+0x160/0x160
[ 1921.156513]  ? wait_for_completion_io+0x10/0x10
[ 1921.161194]  ? SyS_read+0x210/0x210
[ 1921.164824]  ? __do_page_fault+0x159/0xad0
[ 1921.169060]  SyS_sendmsg+0x27/0x40
[ 1921.172597]  ? __sys_sendmsg+0x120/0x120
[ 1921.176654]  do_syscall_64+0x1d5/0x640
[ 1921.180543]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1921.185723] RIP: 0033:0x7f7f64620e99
16:35:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x4c, r1, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x18000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40080}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000100000083ad5a741451cd149c8559b79af3cb8d473d52811842dfb5f42eccbab3310cc9269a8cf2c6bbf886cce20801954c54114c81f140068da89f2216a041410111d2f7c1906a49f463a29e4dde3d008ed82c8919e62ad867cc1da3bf2ea9e960f77ecabf79f101361e7c468c0dc6e092762fdd714f00"/140], 0x14}}, 0x0)

[ 1921.189422] RSP: 002b:00007f7f62f96168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1921.197122] RAX: ffffffffffffffda RBX: 00007f7f64733f60 RCX: 00007f7f64620e99
[ 1921.204467] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1921.211727] RBP: 00007f7f62f961d0 R08: 0000000000000000 R09: 0000000000000000
[ 1921.218991] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1921.226258] R13: 00007fff5777e16f R14: 00007f7f62f96300 R15: 0000000000022000
16:35:50 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="77090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x0)

16:35:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:50 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 3)

16:35:50 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x4840, 0x0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r4)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x75d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004045}, 0x800)

16:35:50 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x38, r2, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x45)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c200200fdfffffffb0c000300000000000000e6000495779cfdffffffc000000000000000000063e8b9bc1dbea5e809fb1f145e7faa30e4a51fd253bec71c19d5ee06c8caafe3dc4d1eb3800e5c6e7a440387a09af202e67684282d643b51882711d99c12cdcd516872c53dc33294a4f5dbad56add73721c41865fadc2161cb51d2e8f6fdf03d499cdbfb523fb9ea677ee2d070001e7615be9778678827bd9839678d05250e04594803a2514d6e41e2fa9c40d69d1f30cc58782aa9b997f9fbb0e6f5fca89967453e6efe16e3cfd0111b5583102a1ef813947a49e450e6ad95b688fb5a"], 0x3c}}, 0x0)

16:35:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x4c, r1, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x18000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40080}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000100000083ad5a741451cd149c8559b79af3cb8d473d52811842dfb5f42eccbab3310cc9269a8cf2c6bbf886cce20801954c54114c81f140068da89f2216a041410111d2f7c1906a49f463a29e4dde3d008ed82c8919e62ad867cc1da3bf2ea9e960f77ecabf79f101361e7c468c0dc6e092762fdd714f00"/140], 0x14}}, 0x0)

[ 1921.750277] FAULT_INJECTION: forcing a failure.
[ 1921.750277] name failslab, interval 1, probability 0, space 0, times 0
16:35:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x4c, r1, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x18000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40080}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000100000083ad5a741451cd149c8559b79af3cb8d473d52811842dfb5f42eccbab3310cc9269a8cf2c6bbf886cce20801954c54114c81f140068da89f2216a041410111d2f7c1906a49f463a29e4dde3d008ed82c8919e62ad867cc1da3bf2ea9e960f77ecabf79f101361e7c468c0dc6e092762fdd714f00"/140], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x4c, r1, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x18000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40080}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000100000083ad5a741451cd149c8559b79af3cb8d473d52811842dfb5f42eccbab3310cc9269a8cf2c6bbf886cce20801954c54114c81f140068da89f2216a041410111d2f7c1906a49f463a29e4dde3d008ed82c8919e62ad867cc1da3bf2ea9e960f77ecabf79f101361e7c468c0dc6e092762fdd714f00"/140], 0x14}}, 0x0) (async)

[ 1921.830628] CPU: 0 PID: 13238 Comm: syz-executor.1 Not tainted 4.14.261-syzkaller #0
[ 1921.838530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1921.847888] Call Trace:
[ 1921.850475]  dump_stack+0x1b2/0x281
[ 1921.854107]  should_fail.cold+0x10a/0x149
[ 1921.858257]  should_failslab+0xd6/0x130
[ 1921.862234]  kmem_cache_alloc_node+0x263/0x410
[ 1921.866817]  __alloc_skb+0x5c/0x510
[ 1921.870444]  netlink_ack+0x216/0x9a0
[ 1921.874160]  ? netlink_sendmsg+0xbc0/0xbc0
[ 1921.878394]  netlink_rcv_skb+0x2c5/0x390
[ 1921.882453]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1921.887033]  ? netlink_ack+0x9a0/0x9a0
[ 1921.890917]  ? lock_acquire+0x170/0x3f0
[ 1921.894898]  genl_rcv+0x24/0x40
[ 1921.898171]  netlink_unicast+0x437/0x610
[ 1921.902235]  ? netlink_sendskb+0xd0/0xd0
[ 1921.906294]  ? __check_object_size+0x179/0x230
[ 1921.910874]  netlink_sendmsg+0x648/0xbc0
[ 1921.914939]  ? nlmsg_notify+0x1b0/0x1b0
[ 1921.918902]  ? kernel_recvmsg+0x210/0x210
[ 1921.923049]  ? security_socket_sendmsg+0x83/0xb0
[ 1921.927797]  ? nlmsg_notify+0x1b0/0x1b0
[ 1921.931771]  sock_sendmsg+0xb5/0x100
[ 1921.935492]  ___sys_sendmsg+0x6c8/0x800
[ 1921.939463]  ? get_pid_task+0x91/0x130
[ 1921.943347]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1921.948100]  ? lock_downgrade+0x740/0x740
[ 1921.952252]  ? lock_acquire+0x170/0x3f0
[ 1921.956226]  ? lock_downgrade+0x740/0x740
[ 1921.960375]  ? __fget+0x2df/0x460
[ 1921.963832]  ? __fdget+0x19b/0x1f0
[ 1921.967368]  ? sockfd_lookup_light+0xb2/0x160
[ 1921.971869]  __sys_sendmsg+0xa3/0x120
[ 1921.975663]  ? SyS_shutdown+0x160/0x160
[ 1921.979639]  ? wait_for_completion_io+0x10/0x10
[ 1921.984311]  ? SyS_read+0x210/0x210
[ 1921.987932]  ? __do_page_fault+0x159/0xad0
[ 1921.992171]  SyS_sendmsg+0x27/0x40
[ 1921.995706]  ? __sys_sendmsg+0x120/0x120
[ 1921.999776]  do_syscall_64+0x1d5/0x640
[ 1922.003670]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1922.008852] RIP: 0033:0x7f7f64620e99
[ 1922.012554] RSP: 002b:00007f7f62f75168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1922.020258] RAX: ffffffffffffffda RBX: 00007f7f64734030 RCX: 00007f7f64620e99
[ 1922.027521] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1922.034785] RBP: 00007f7f62f751d0 R08: 0000000000000000 R09: 0000000000000000
[ 1922.042047] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1922.049310] R13: 00007fff5777e16f R14: 00007f7f62f75300 R15: 0000000000022000
16:35:51 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r5, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x40000)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x34, r7, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x8081)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r5, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x34, r7, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x8081) (async)

16:35:51 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x38, r2, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x45) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c200200fdfffffffb0c000300000000000000e6000495779cfdffffffc000000000000000000063e8b9bc1dbea5e809fb1f145e7faa30e4a51fd253bec71c19d5ee06c8caafe3dc4d1eb3800e5c6e7a440387a09af202e67684282d643b51882711d99c12cdcd516872c53dc33294a4f5dbad56add73721c41865fadc2161cb51d2e8f6fdf03d499cdbfb523fb9ea677ee2d070001e7615be9778678827bd9839678d05250e04594803a2514d6e41e2fa9c40d69d1f30cc58782aa9b997f9fbb0e6f5fca89967453e6efe16e3cfd0111b5583102a1ef813947a49e450e6ad95b688fb5a"], 0x3c}}, 0x0)

16:35:51 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x4840, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r4)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x75d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x103}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004045}, 0x800)

16:35:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:51 executing program 5:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400003b", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:51 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r4, 0xc0189374, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r6=>r5, @ANYBLOB="ff07e1ffffffffff2d2f66696c657a00"])
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100680018000000", @ANYRESOCT=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00'])
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1922.198597] nla_parse: 10 callbacks suppressed
[ 1922.198602] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 1922.247477] nbd: must specify at least one socket
16:35:51 executing program 5:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400003b", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400003b", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async)

16:35:51 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 4)

16:35:51 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$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x38, r2, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x45)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c200200fdfffffffb0c000300000000000000e6000495779cfdffffffc000000000000000000063e8b9bc1dbea5e809fb1f145e7faa30e4a51fd253bec71c19d5ee06c8caafe3dc4d1eb3800e5c6e7a440387a09af202e67684282d643b51882711d99c12cdcd516872c53dc33294a4f5dbad56add73721c41865fadc2161cb51d2e8f6fdf03d499cdbfb523fb9ea677ee2d070001e7615be9778678827bd9839678d05250e04594803a2514d6e41e2fa9c40d69d1f30cc58782aa9b997f9fbb0e6f5fca89967453e6efe16e3cfd0111b5583102a1ef813947a49e450e6ad95b688fb5a"], 0x3c}}, 0x0)

16:35:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:51 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r4, 0xc0189374, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r6=>r5, @ANYBLOB="ff07e1ffffffffff2d2f66696c657a00"])
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100680018000000", @ANYRESOCT=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00'])
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r4, 0xc0189374, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r5, @ANYBLOB="ff07e1ffffffffff2d2f66696c657a00"]) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100680018000000", @ANYRESOCT=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:51 executing program 5:
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async, rerun: 32)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="1400003b", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (rerun: 32)

16:35:51 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000140)=ANY=[@ANYBLOB="01000000010000008800007a2928193df3cd4a2261cfeb00", @ANYRES32=r4, @ANYRES32=r4, @ANYBLOB='\x00\x00\x00\x00./file1\x00'])
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
openat$autofs(0xffffffffffffff9c, &(0x7f0000000100), 0x10000, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x34, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x34}}, 0xc004)

[ 1922.535417] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 1922.555887] nbd: must specify at least one socket
[ 1922.651961] FAULT_INJECTION: forcing a failure.
[ 1922.651961] name failslab, interval 1, probability 0, space 0, times 0
[ 1922.685668] CPU: 0 PID: 13342 Comm: syz-executor.1 Not tainted 4.14.261-syzkaller #0
[ 1922.688628] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1922.693571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1922.693576] Call Trace:
[ 1922.693593]  dump_stack+0x1b2/0x281
[ 1922.693607]  should_fail.cold+0x10a/0x149
[ 1922.693619]  should_failslab+0xd6/0x130
[ 1922.725711]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1922.730823]  __kmalloc_node_track_caller+0x38/0x70
[ 1922.735756]  __alloc_skb+0x96/0x510
[ 1922.739389]  netlink_ack+0x216/0x9a0
[ 1922.743099]  ? netlink_sendmsg+0xbc0/0xbc0
[ 1922.747334]  netlink_rcv_skb+0x2c5/0x390
[ 1922.751394]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1922.755974]  ? netlink_ack+0x9a0/0x9a0
[ 1922.759862]  ? lock_acquire+0x170/0x3f0
[ 1922.763840]  genl_rcv+0x24/0x40
[ 1922.767118]  netlink_unicast+0x437/0x610
[ 1922.771175]  ? netlink_sendskb+0xd0/0xd0
[ 1922.775230]  ? __check_object_size+0x179/0x230
[ 1922.777905] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1922.779892]  netlink_sendmsg+0x648/0xbc0
[ 1922.779908]  ? nlmsg_notify+0x1b0/0x1b0
[ 1922.796373]  ? kernel_recvmsg+0x210/0x210
[ 1922.800520]  ? security_socket_sendmsg+0x83/0xb0
[ 1922.805275]  ? nlmsg_notify+0x1b0/0x1b0
[ 1922.809245]  sock_sendmsg+0xb5/0x100
[ 1922.812956]  ___sys_sendmsg+0x6c8/0x800
[ 1922.816928]  ? get_pid_task+0x91/0x130
[ 1922.820812]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1922.825566]  ? lock_downgrade+0x740/0x740
[ 1922.829727]  ? lock_acquire+0x170/0x3f0
[ 1922.833700]  ? lock_downgrade+0x740/0x740
[ 1922.837847]  ? __fget+0x2df/0x460
[ 1922.841301]  ? __fdget+0x19b/0x1f0
[ 1922.844834]  ? sockfd_lookup_light+0xb2/0x160
[ 1922.849322]  __sys_sendmsg+0xa3/0x120
[ 1922.853119]  ? SyS_shutdown+0x160/0x160
[ 1922.857092]  ? wait_for_completion_io+0x10/0x10
[ 1922.861763]  ? SyS_read+0x210/0x210
[ 1922.863822] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1922.865382]  ? __do_page_fault+0x159/0xad0
[ 1922.865397]  SyS_sendmsg+0x27/0x40
[ 1922.881612]  ? __sys_sendmsg+0x120/0x120
[ 1922.885669]  do_syscall_64+0x1d5/0x640
[ 1922.889565]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1922.894749] RIP: 0033:0x7f7f64620e99
[ 1922.898451] RSP: 002b:00007f7f62f75168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1922.906151] RAX: ffffffffffffffda RBX: 00007f7f64734030 RCX: 00007f7f64620e99
[ 1922.913414] RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000004
[ 1922.920679] RBP: 00007f7f62f751d0 R08: 0000000000000000 R09: 0000000000000000
[ 1922.928034] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1922.935302] R13: 00007fff5777e16f R14: 00007f7f62f75300 R15: 0000000000022000
[ 1922.954346] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1923.023562] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1923.073549] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1923.082844] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
16:35:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r4, 0xc0189374, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=<r6=>r5, @ANYBLOB="ff07e1ffffffffff2d2f66696c657a00"])
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100680018000000", @ANYRESOCT=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00'])
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r4, 0xc0189374, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r5, @ANYBLOB="ff07e1ffffffffff2d2f66696c657a00"]) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r3, 0xc0189379, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100680018000000", @ANYRESOCT=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000140)=ANY=[@ANYBLOB="01000000010000008800007a2928193df3cd4a2261cfeb00", @ANYRES32=r4, @ANYRES32=r4, @ANYBLOB='\x00\x00\x00\x00./file1\x00']) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
openat$autofs(0xffffffffffffff9c, &(0x7f0000000100), 0x10000, 0x0) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x34, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x34}}, 0xc004)

16:35:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x200, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_MODIFY(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'gre0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040950}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0)
r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = socket(0x1, 0x2, 0x9)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000080)={0x78, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r1}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}]}, 0x78}, 0x1, 0x0, 0x0, 0x8001}, 0x0)

16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0)
r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = socket(0x1, 0x2, 0x9)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000080)={0x78, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r1}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}]}, 0x78}, 0x1, 0x0, 0x0, 0x8001}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async)
socket(0x1, 0x2, 0x9) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000080)={0x78, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r1}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}]}, 0x78}, 0x1, 0x0, 0x0, 0x8001}, 0x0) (async)

[ 1923.201385] nbd: must specify at least one socket
[ 1923.295329] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
16:35:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff, {0x3ff}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r2, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0xfffffed5, <r4=>0xffffffffffffffff, {r3}}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRESHEX=r4, @ANYBLOB="04000000000000000000010900000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0003000000000000000000"], 0x2c}}, 0x0)

16:35:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000140)=ANY=[@ANYBLOB="01000000010000008800007a2928193df3cd4a2261cfeb00", @ANYRES32=r4, @ANYRES32=r4, @ANYBLOB='\x00\x00\x00\x00./file1\x00']) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
openat$autofs(0xffffffffffffff9c, &(0x7f0000000100), 0x10000, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x34, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x34}}, 0xc004)

16:35:52 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$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_MODIFY(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'gre0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040950}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0) (async)
r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = socket(0x1, 0x2, 0x9)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000080)={0x78, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r1}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}]}, 0x78}, 0x1, 0x0, 0x0, 0x8001}, 0x0)

16:35:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x40000, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)={0x50, r2, 0x937, 0x70bd2a, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x200, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x200, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x1, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x85}, 0x20004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB='\x00'/14], 0x14}}, 0x0)

16:35:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_MODIFY(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'gre0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x20040950}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket$inet_udp(0x2, 0x2, 0x0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff, {0x3ff}}, './file0\x00'}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r2, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0xfffffed5, <r4=>0xffffffffffffffff, {r3}}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRESHEX=r4, @ANYBLOB="04000000000000000000010900000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0003000000000000000000"], 0x2c}}, 0x0)

16:35:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async, rerun: 32)
r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x40000, 0x0) (rerun: 32)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)={0x50, r2, 0x937, 0x70bd2a, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x200, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000480)=ANY=[@ANYBLOB="300000004a7713b8e47283a3e8473c7dd485a868d0a9d42bfeb40380d8e8351b8d0ccfa10f2c67e8492d4c8d179357720b406915f4ec839d46dcf331f0d92274510de87e8aafbfe770a71f6f732a3157d323d878f0b6a03992c3790d8b6037f51ab4e114be9a08ee0e", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="20002bbd7000ffdbdf25050000000c000200a0090000090000000c0002000200000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
r6 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r6, 0x4b6c, 0x0)
ioctl$TIOCSLCKTRMIOS(r6, 0x5457, &(0x7f0000000280))
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000380)=ANY=[@ANYBLOB="01000000010000001800000020239fddae47266f13982711375d073e9d00083b287628bb08b154efdc28e9f5b6738e180ef1c9348fe9e20915a5f512f0b9f128006b30ec73d59c8cde00036abba49cea1cadb87a5e118fbd996d6a56d7a0512d0eebec208977c06546a314743d1c6030c1d4f638e9b82d4c3a388f618c34dadd4d2378f4ca11c73a4e1cdcd670df486848e710a64afb19808e0588cf74d6b31e8ee37e317ed1e381a23d6b8eb9c50f71f0ba2feab23304776e3704ce2551453da609ac9b0be1ea6f473eaa38c75fa97f49624a91fd04b3cdd9", @ANYRES32, @ANYBLOB="01000000000000002e2f66696c653000"])
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000006c0)=ANY=[@ANYBLOB="01000000ffffffff30000000", @ANYRES32=<r9=>0xffffffffffffffff, @ANYBLOB="00000000000000002e4566696c6530002650fc597100008a8984ee5c7291ea6beff15c9bc36e2deb56710c01d0011afb259de2dd5d2c84617a74c7f6f069280d0042bded4da4fbc500ad93e01d3754648dcb73fb2e1c9f12c9018b2fb24999a5565dfcd8dbcc832843853d7859b28388d0a2f8012108dd5d31d0ceafa957396f24a774fcc4940d0e50ac8fa2d4595f45c6e5a26b0700ee24fe2e81583f"])
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000780)=ANY=[@ANYBLOB="84000000", @ANYRES16=r4, @ANYBLOB="30f927bd7000fbdbdf25020000000000078000000100", @ANYRES32, @ANYBLOB="030000000000000000", @ANYRES32=r7, @ANYBLOB="0000078000000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32=r5, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32=r10, @ANYBLOB="00000100", @ANYRES32=r8, @ANYBLOB="00000100", @ANYRES32=r9, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="000005002200000000000000"], 0x84}, 0x1, 0x0, 0x0, 0x4004880}, 0x50)

[ 1923.523562] nbd: must specify a size in bytes for the device
[ 1923.541683] nbd: must specify at least one socket
16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x1, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x85}, 0x20004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB='\x00'/14], 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x1, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x85}, 0x20004000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB='\x00'/14], 0x14}}, 0x0) (async)

16:35:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff, {0x3ff}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r2, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0xfffffed5, <r4=>0xffffffffffffffff, {r3}}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRESHEX=r4, @ANYBLOB="04000000000000000000010900000c00078008000100", @ANYRES32=r4, @ANYBLOB="0c0003000000000000000000"], 0x2c}}, 0x0)

16:35:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = getpid()
sched_getattr(r3, &(0x7f0000000100)={0x38}, 0x38, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="37090000470000000000000000000000010000000c100200fdffffffffffffff0c0003000000000000230000040016800c00060001000000000000000ef4f3e799178d088946d71021e9fa59573b1419c269a30892896425a4cb47c6973ea3d6747703b80e247bce40faeeb56ac93a23e752720fc700d152c716035f64ca2f2d936b801290b00ef1be6cec124da17fdf1a29de90e3775317e316d661aa8077286e6a23fd4a545b1e403c7b8b681b6292654a9c65c71dffad334058f409e76b42f7a3b0238a3a2663833c39c553f28ac4bac62fae704954439a76d011de7779"], 0x3c}, 0x1, 0x0, 0x0, 0x20044881}, 0x0)

16:35:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000749b8eee7ab03fcf813a42d1f4e8010000000c002100fdffffffffff1dff078000"/56], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000480)=ANY=[@ANYBLOB="300000004a7713b8e47283a3e8473c7dd485a868d0a9d42bfeb40380d8e8351b8d0ccfa10f2c67e8492d4c8d179357720b406915f4ec839d46dcf331f0d92274510de87e8aafbfe770a71f6f732a3157d323d878f0b6a03992c3790d8b6037f51ab4e114be9a08ee0e", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="20002bbd7000ffdbdf25050000000c000200a0090000090000000c0002000200000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff}) (async, rerun: 64)
r6 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (rerun: 64)
ioctl$PIO_FONTX(r6, 0x4b6c, 0x0)
ioctl$TIOCSLCKTRMIOS(r6, 0x5457, &(0x7f0000000280)) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000380)=ANY=[@ANYBLOB="01000000010000001800000020239fddae47266f13982711375d073e9d00083b287628bb08b154efdc28e9f5b6738e180ef1c9348fe9e20915a5f512f0b9f128006b30ec73d59c8cde00036abba49cea1cadb87a5e118fbd996d6a56d7a0512d0eebec208977c06546a314743d1c6030c1d4f638e9b82d4c3a388f618c34dadd4d2378f4ca11c73a4e1cdcd670df486848e710a64afb19808e0588cf74d6b31e8ee37e317ed1e381a23d6b8eb9c50f71f0ba2feab23304776e3704ce2551453da609ac9b0be1ea6f473eaa38c75fa97f49624a91fd04b3cdd9", @ANYRES32, @ANYBLOB="01000000000000002e2f66696c653000"])
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000006c0)=ANY=[@ANYBLOB="01000000ffffffff30000000", @ANYRES32=<r9=>0xffffffffffffffff, @ANYBLOB="00000000000000002e4566696c6530002650fc597100008a8984ee5c7291ea6beff15c9bc36e2deb56710c01d0011afb259de2dd5d2c84617a74c7f6f069280d0042bded4da4fbc500ad93e01d3754648dcb73fb2e1c9f12c9018b2fb24999a5565dfcd8dbcc832843853d7859b28388d0a2f8012108dd5d31d0ceafa957396f24a774fcc4940d0e50ac8fa2d4595f45c6e5a26b0700ee24fe2e81583f"])
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000780)=ANY=[@ANYBLOB="84000000", @ANYRES16=r4, @ANYBLOB="30f927bd7000fbdbdf25020000000000078000000100", @ANYRES32, @ANYBLOB="030000000000000000", @ANYRES32=r7, @ANYBLOB="0000078000000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32=r5, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32=r10, @ANYBLOB="00000100", @ANYRES32=r8, @ANYBLOB="00000100", @ANYRES32=r9, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="000005002200000000000000"], 0x84}, 0x1, 0x0, 0x0, 0x4004880}, 0x50)

[ 1923.658124] nbd: must specify a size in bytes for the device
16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x1, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x85}, 0x20004000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB='\x00'/14], 0x14}}, 0x0)

16:35:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
r4 = openat$null(0xffffffffffffff9c, &(0x7f0000000040), 0x40000, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)={0x50, r2, 0x937, 0x70bd2a, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = getpid()
sched_getattr(r3, &(0x7f0000000100)={0x38}, 0x38, 0x0) (async, rerun: 32)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="37090000470000000000000000000000010000000c100200fdffffffffffffff0c0003000000000000230000040016800c00060001000000000000000ef4f3e799178d088946d71021e9fa59573b1419c269a30892896425a4cb47c6973ea3d6747703b80e247bce40faeeb56ac93a23e752720fc700d152c716035f64ca2f2d936b801290b00ef1be6cec124da17fdf1a29de90e3775317e316d661aa8077286e6a23fd4a545b1e403c7b8b681b6292654a9c65c71dffad334058f409e76b42f7a3b0238a3a2663833c39c553f28ac4bac62fae704954439a76d011de7779"], 0x3c}, 0x1, 0x0, 0x0, 0x20044881}, 0x0) (rerun: 32)

16:35:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000749b8eee7ab03fcf813a42d1f4e8010000000c002100fdffffffffff1dff078000"/56], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 1:
ioctl$VHOST_RESET_OWNER(0xffffffffffffffff, 0xaf02, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_dccp(0x2, 0x6, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000749b8eee7ab03fcf813a42d1f4e8010000000c002100fdffffffffff1dff078000"/56], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000749b8eee7ab03fcf813a42d1f4e8010000000c002100fdffffffffff1dff078000"/56], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff8000}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x5)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1923.777796] nbd: must specify a size in bytes for the device
16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_dccp(0x2, 0x6, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket$inet_dccp(0x2, 0x6, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:52 executing program 1:
ioctl$VHOST_RESET_OWNER(0xffffffffffffffff, 0xaf02, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
ioctl$VHOST_RESET_OWNER(0xffffffffffffffff, 0xaf02, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)

16:35:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = getpid()
sched_getattr(r3, &(0x7f0000000100)={0x38}, 0x38, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="37090000470000000000000000000000010000000c100200fdffffffffffffff0c0003000000000000230000040016800c00060001000000000000000ef4f3e799178d088946d71021e9fa59573b1419c269a30892896425a4cb47c6973ea3d6747703b80e247bce40faeeb56ac93a23e752720fc700d152c716035f64ca2f2d936b801290b00ef1be6cec124da17fdf1a29de90e3775317e316d661aa8077286e6a23fd4a545b1e403c7b8b681b6292654a9c65c71dffad334058f409e76b42f7a3b0238a3a2663833c39c553f28ac4bac62fae704954439a76d011de7779"], 0x3c}, 0x1, 0x0, 0x0, 0x20044881}, 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$nbd(&(0x7f00000005c0), r1) (async)
getpid() (async)
sched_getattr(r3, &(0x7f0000000100)={0x38}, 0x38, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="37090000470000000000000000000000010000000c100200fdffffffffffffff0c0003000000000000230000040016800c00060001000000000000000ef4f3e799178d088946d71021e9fa59573b1419c269a30892896425a4cb47c6973ea3d6747703b80e247bce40faeeb56ac93a23e752720fc700d152c716035f64ca2f2d936b801290b00ef1be6cec124da17fdf1a29de90e3775317e316d661aa8077286e6a23fd4a545b1e403c7b8b681b6292654a9c65c71dffad334058f409e76b42f7a3b0238a3a2663833c39c553f28ac4bac62fae704954439a76d011de7779"], 0x3c}, 0x1, 0x0, 0x0, 0x20044881}, 0x0) (async)

16:35:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000480)=ANY=[@ANYBLOB="300000004a7713b8e47283a3e8473c7dd485a868d0a9d42bfeb40380d8e8351b8d0ccfa10f2c67e8492d4c8d179357720b406915f4ec839d46dcf331f0d92274510de87e8aafbfe770a71f6f732a3157d323d878f0b6a03992c3790d8b6037f51ab4e114be9a08ee0e", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="20002bbd7000ffdbdf25050000000c000200a0090000090000000c0002000200000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
r6 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r6, 0x4b6c, 0x0)
ioctl$TIOCSLCKTRMIOS(r6, 0x5457, &(0x7f0000000280)) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000380)=ANY=[@ANYBLOB="01000000010000001800000020239fddae47266f13982711375d073e9d00083b287628bb08b154efdc28e9f5b6738e180ef1c9348fe9e20915a5f512f0b9f128006b30ec73d59c8cde00036abba49cea1cadb87a5e118fbd996d6a56d7a0512d0eebec208977c06546a314743d1c6030c1d4f638e9b82d4c3a388f618c34dadd4d2378f4ca11c73a4e1cdcd670df486848e710a64afb19808e0588cf74d6b31e8ee37e317ed1e381a23d6b8eb9c50f71f0ba2feab23304776e3704ce2551453da609ac9b0be1ea6f473eaa38c75fa97f49624a91fd04b3cdd9", @ANYRES32, @ANYBLOB="01000000000000002e2f66696c653000"])
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000006c0)=ANY=[@ANYBLOB="01000000ffffffff30000000", @ANYRES32=<r9=>0xffffffffffffffff, @ANYBLOB="00000000000000002e4566696c6530002650fc597100008a8984ee5c7291ea6beff15c9bc36e2deb56710c01d0011afb259de2dd5d2c84617a74c7f6f069280d0042bded4da4fbc500ad93e01d3754648dcb73fb2e1c9f12c9018b2fb24999a5565dfcd8dbcc832843853d7859b28388d0a2f8012108dd5d31d0ceafa957396f24a774fcc4940d0e50ac8fa2d4595f45c6e5a26b0700ee24fe2e81583f"]) (async)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000780)=ANY=[@ANYBLOB="84000000", @ANYRES16=r4, @ANYBLOB="30f927bd7000fbdbdf25020000000000078000000100", @ANYRES32, @ANYBLOB="030000000000000000", @ANYRES32=r7, @ANYBLOB="0000078000000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32=r5, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32=r10, @ANYBLOB="00000100", @ANYRES32=r8, @ANYBLOB="00000100", @ANYRES32=r9, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="00000100", @ANYRES32, @ANYBLOB="000005002200000000000000"], 0x84}, 0x1, 0x0, 0x0, 0x4004880}, 0x50)

16:35:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff8000}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x5) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_dccp(0x2, 0x6, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket$inet_dccp(0x2, 0x6, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 1:
ioctl$VHOST_RESET_OWNER(0xffffffffffffffff, 0xaf02, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
syz_open_procfs(0x0, &(0x7f0000000240)='net/ip_tables_targets\x00')
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff, @out_args}, './file0\x00'})
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r4, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40804}, 0x80)

16:35:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r3, 0x937, 0x70bd25, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xfffffffffffffea7}}, 0x0)

16:35:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
r3 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0xc600, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000200)='net/stat\x00')
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x74, 0x0, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000805}, 0x804)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0x0, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc89}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x8c}, 0x1, 0x0, 0x0, 0x800}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff8000}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x5) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
r3 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0xc600, 0x0) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000200)='net/stat\x00') (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x74, 0x0, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000805}, 0x804) (async, rerun: 32)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (rerun: 32)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0x0, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc89}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x8c}, 0x1, 0x0, 0x0, 0x800}, 0x4000) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (rerun: 64)

16:35:53 executing program 0:
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$nbd(&(0x7f00000005c0), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r3, 0x937, 0x70bd25, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xfffffffffffffea7}}, 0x0)

16:35:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
syz_open_procfs(0x0, &(0x7f0000000240)='net/ip_tables_targets\x00')
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff, @out_args}, './file0\x00'})
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r4, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40804}, 0x80)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
syz_open_procfs(0x0, &(0x7f0000000240)='net/ip_tables_targets\x00') (async)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, @out_args}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r4, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40804}, 0x80) (async)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000ffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0xb, 0x6, 0x6)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r1 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8}, @WGDEVICE_A_FWMARK={0x8, 0x7, 0x1f}, @WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_FLAGS={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x20004001}, 0x20000000)

16:35:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
r3 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0xc600, 0x0) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000200)='net/stat\x00')
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x74, 0x0, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000805}, 0x804)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0x0, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xc89}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x8c}, 0x1, 0x0, 0x0, 0x800}, 0x4000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffe01}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffeffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x70}, 0x1, 0x0, 0x0, 0x2080}, 0x4)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x7}}, './file0\x00'})
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r4, 0x202, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffe2c4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x5c}, 0x1, 0x0, 0x0, 0x44010}, 0x0)
ioctl$TCGETA(r3, 0x5405, &(0x7f00000001c0))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000ffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000ffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:53 executing program 0:
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$nbd(&(0x7f00000005c0), r1) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x30, r3, 0x937, 0x70bd25, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xfffffffffffffea7}}, 0x0)

16:35:53 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0xb, 0x6, 0x6)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r1 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8}, @WGDEVICE_A_FWMARK={0x8, 0x7, 0x1f}, @WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_FLAGS={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x20004001}, 0x20000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket(0xb, 0x6, 0x6) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000080), 0xffffffffffffffff) (async)
sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8}, @WGDEVICE_A_FWMARK={0x8, 0x7, 0x1f}, @WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_FLAGS={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x20004001}, 0x20000000) (async)

16:35:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
syz_open_procfs(0x0, &(0x7f0000000240)='net/ip_tables_targets\x00')
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff, @out_args}, './file0\x00'})
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r4, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40804}, 0x80)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r4, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
syz_open_procfs(0x0, &(0x7f0000000240)='net/ip_tables_targets\x00') (async)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, @out_args}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r4, 0x1, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x70}, 0x1, 0x0, 0x0, 0x40804}, 0x80) (async)

16:35:53 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0) (rerun: 64)

16:35:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffe01}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffeffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x70}, 0x1, 0x0, 0x0, 0x2080}, 0x4) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x7}}, './file0\x00'}) (async, rerun: 32)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r4, 0x202, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffe2c4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x5c}, 0x1, 0x0, 0x0, 0x44010}, 0x0) (async)
ioctl$TCGETA(r3, 0x5405, &(0x7f00000001c0)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000110a00000006001c000000000000"], 0x1c}}, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r4, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'veth0_to_bond\x00'}, @L2TP_ATTR_SESSION_ID={0x8}, @L2TP_ATTR_FD={0x8, 0x17, @udp6}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000}, 0x48000)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000ffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370900000000000000ffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:53 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket(0xb, 0x6, 0x6)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
r1 = syz_genetlink_get_family_id$wireguard(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$WG_CMD_GET_DEVICE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x1, 0x70bd28, 0x25dfdbfe, {}, [@WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_FLAGS={0x8}, @WGDEVICE_A_FWMARK={0x8, 0x7, 0x1f}, @WGDEVICE_A_IFINDEX={0x8}, @WGDEVICE_A_FLAGS={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x20004001}, 0x20000000)

16:35:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3c00000066bf1225d92d0cee61e82915ae8653d2dcb73f71297eabd3d9d17e25d6bd4b02a053347043879185967a3f6bd1276872888ad7b570e5c55518e33c8e4e98e81f7956a882d437087427bf8ce27cc796d80a794a920000000000000000774738c08b889a188e0000000000000000add1d3ba03cbdc9a8b6bac7c7c", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x40000)

16:35:53 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0)

16:35:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="16008000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000110a00000006001c000000000000"], 0x1c}}, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r4, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'veth0_to_bond\x00'}, @L2TP_ATTR_SESSION_ID={0x8}, @L2TP_ATTR_FD={0x8, 0x17, @udp6}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000}, 0x48000)
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff) (async)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000110a00000006001c000000000000"], 0x1c}}, 0x0) (async)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r4, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'veth0_to_bond\x00'}, @L2TP_ATTR_SESSION_ID={0x8}, @L2TP_ATTR_FD={0x8, 0x17, @udp6}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000}, 0x48000) (async)

16:35:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffe01}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffeffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x70}, 0x1, 0x0, 0x0, 0x2080}, 0x4)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff, {0x7}}, './file0\x00'})
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r4, 0x202, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffe2c4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x5c}, 0x1, 0x0, 0x0, 0x44010}, 0x0)
ioctl$TCGETA(r3, 0x5405, &(0x7f00000001c0))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffe01}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffeffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}]}, 0x70}, 0x1, 0x0, 0x0, 0x2080}, 0x4) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000180)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7}}, './file0\x00'}) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r4, 0x202, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffe2c4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x5c}, 0x1, 0x0, 0x0, 0x44010}, 0x0) (async)
ioctl$TCGETA(r3, 0x5405, &(0x7f00000001c0)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x20008005)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
ioctl$VHOST_SET_OWNER(r3, 0xaf01, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0)

16:35:53 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3c00000066bf1225d92d0cee61e82915ae8653d2dcb73f71297eabd3d9d17e25d6bd4b02a053347043879185967a3f6bd1276872888ad7b570e5c55518e33c8e4e98e81f7956a882d437087427bf8ce27cc796d80a794a920000000000000000774738c08b889a188e0000000000000000add1d3ba03cbdc9a8b6bac7c7c", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x40000)

16:35:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="16008000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}}, 0x4000810)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x20008005)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
ioctl$VHOST_SET_OWNER(r3, 0xaf01, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x20008005) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket$inet_udplite(0x2, 0x2, 0x88) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
ioctl$VHOST_SET_OWNER(r3, 0xaf01, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:53 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3c00000066bf1225d92d0cee61e82915ae8653d2dcb73f71297eabd3d9d17e25d6bd4b02a053347043879185967a3f6bd1276872888ad7b570e5c55518e33c8e4e98e81f7956a882d437087427bf8ce27cc796d80a794a920000000000000000774738c08b889a188e0000000000000000add1d3ba03cbdc9a8b6bac7c7c", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffffff0c0003000000000000000000040007800c0006000100000000000000"], 0x3c}}, 0x40000)

16:35:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0) (async)

16:35:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="16008000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000380)={&(0x7f0000000040), 0xc, &(0x7f0000000340)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000110a00000006001c000000000000"], 0x1c}}, 0x0) (async)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r4, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'veth0_to_bond\x00'}, @L2TP_ATTR_SESSION_ID={0x8}, @L2TP_ATTR_FD={0x8, 0x17, @udp6}, @L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000}, 0x48000)

16:35:53 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400c0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080))
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0x3f}}, './file0\x00'})

16:35:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}}, 0x4000810)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}}, 0x4000810) (async)

16:35:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getsockopt$WPAN_WANTACK(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080)=0x4)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
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$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r5, 0x2, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0xc0}, 0x800)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r8=>0xffffffffffffffff, {0x4}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={<r9=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000300)={{0x1, 0x1, 0x18, <r10=>0xffffffffffffffff, {0x1000}}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x88, r2, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa39}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x2004c814}, 0x20040000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
ioctl$VHOST_RESET_OWNER(r6, 0xaf02, 0x0)

16:35:53 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400c0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080))
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0x3f}}, './file0\x00'})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400c0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0x3f}}, './file0\x00'}) (async)

16:35:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x20008005) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
ioctl$VHOST_SET_OWNER(r3, 0xaf01, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3710901baee390b8010000000c000200000100000000001b8000c5800c000637e0de000100000000569b0000007cfbefceffab3a720ee6b210a4501823765fb45506350487027167ec8c6a94af04fb225f903bda4b6a7c1dee1cadb9dc9f5c23787e5814d4e9"], 0x30}}, 0x0)

16:35:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0)

16:35:54 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x400c0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async)
r1 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r1, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, r1, {0x3f}}, './file0\x00'})

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000db963a3"], 0x14}}, 0x0)

16:35:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getsockopt$WPAN_WANTACK(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080)=0x4) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r5, 0x2, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0xc0}, 0x800) (async, rerun: 32)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (rerun: 32)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r8=>0xffffffffffffffff, {0x4}}, './file0\x00'}) (async, rerun: 32)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={<r9=>0xffffffffffffffff}) (async, rerun: 32)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000300)={{0x1, 0x1, 0x18, <r10=>0xffffffffffffffff, {0x1000}}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x88, r2, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa39}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x2004c814}, 0x20040000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)
ioctl$VHOST_RESET_OWNER(r6, 0xaf02, 0x0)

16:35:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000000000001000000de0c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000db963a3"], 0x14}}, 0x0)

16:35:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x122}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}}, 0x4000810)

16:35:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffa}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3710901baee390b8010000000c000200000100000000001b8000c5800c000637e0de000100000000569b0000007cfbefceffab3a720ee6b210a4501823765fb45506350487027167ec8c6a94af04fb225f903bda4b6a7c1dee1cadb9dc9f5c23787e5814d4e9"], 0x30}}, 0x0)

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000db963a3"], 0x14}}, 0x0)

16:35:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}}, 0x4000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)

[ 1925.168970] nbd: must specify at least one socket
16:35:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffa}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffa}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)

16:35:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000000000001000000de0c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x70bd27}, 0xf}}, 0x0)

16:35:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getsockopt$WPAN_WANTACK(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080)=0x4)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
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$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r5, 0x2, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0xc0}, 0x800)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000280)={{0x1, 0x1, 0x18, <r8=>0xffffffffffffffff, {0x4}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={<r9=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000300)={{0x1, 0x1, 0x18, <r10=>0xffffffffffffffff, {0x1000}}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x88, r2, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa39}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x2004c814}, 0x20040000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
ioctl$VHOST_RESET_OWNER(r6, 0xaf02, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getsockopt$WPAN_WANTACK(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080)=0x4) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r5, 0x2, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0xc0}, 0x800) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1000}}, './file0\x00'}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x88, r2, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa39}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x2004c814}, 0x20040000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)
ioctl$VHOST_RESET_OWNER(r6, 0xaf02, 0x0) (async)

16:35:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}}, 0x4000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}}, 0x4000000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async)

16:35:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffa}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x70bd27}, 0xf}}, 0x0)

16:35:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3710901baee390b8010000000c000200000100000000001b8000c5800c000637e0de000100000000569b0000007cfbefceffab3a720ee6b210a4501823765fb45506350487027167ec8c6a94af04fb225f903bda4b6a7c1dee1cadb9dc9f5c23787e5814d4e9"], 0x30}}, 0x0)

[ 1925.312798] nbd: must specify at least one socket
16:35:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000000000001000000de0c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000000000000000001000000de0c000200fdffffffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x70bd27}, 0xf}}, 0x0)

16:35:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}}, 0x4000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}}, 0x4000000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, 0x0, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async)

[ 1925.417663] nbd: must specify at least one socket
16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x26}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x44081)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffff9042000780"], 0x24}}, 0x0)
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0)
r4 = socket$vsock_stream(0x28, 0x1, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000480)=0x7ff, 0x8)
ioctl$GIO_FONTX(r3, 0x4b6b, &(0x7f0000000440)={0x16b, 0x1b, &(0x7f0000000040)})

16:35:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x131000, 0x0)
ioctl$NBD_SET_SOCK(r3, 0xab00, r3)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r4, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x77564df9e371dede}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x20040000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000050c6f77db58d7d7f37cd13d60f8895609918024d416a6b9c6710b132311e91504888c9073700680a8b044f01c94b388f01d37b38c3cab840ff9714fbc161836d9c7c7ba51c5f19c05fdad560f9c8ab9a778cc22df5b4d5967369ec325c9764052ae6cacb086b2f", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)

16:35:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

[ 1925.514933] nbd: must specify at least one socket
[ 1925.527585] nbd: must specify at least one socket
16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x26}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x44081)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 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$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x26}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x44081) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x27}}, './file0\x00'})
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x7c, 0x0, 0x708, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x18810)
r4 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0)
r5 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x220000, 0x0)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r5, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r4, {0xffffffffffffff7f}}, './file0\x00'})

16:35:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x131000, 0x0)
ioctl$NBD_SET_SOCK(r3, 0xab00, r3)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r4, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x77564df9e371dede}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x20040000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000050c6f77db58d7d7f37cd13d60f8895609918024d416a6b9c6710b132311e91504888c9073700680a8b044f01c94b388f01d37b38c3cab840ff9714fbc161836d9c7c7ba51c5f19c05fdad560f9c8ab9a778cc22df5b4d5967369ec325c9764052ae6cacb086b2f", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x131000, 0x0) (async)
ioctl$NBD_SET_SOCK(r3, 0xab00, r3) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r4, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x77564df9e371dede}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x20040000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000050c6f77db58d7d7f37cd13d60f8895609918024d416a6b9c6710b132311e91504888c9073700680a8b044f01c94b388f01d37b38c3cab840ff9714fbc161836d9c7c7ba51c5f19c05fdad560f9c8ab9a778cc22df5b4d5967369ec325c9764052ae6cacb086b2f", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0) (async)

16:35:54 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffff9042000780"], 0x24}}, 0x0) (async)
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0)
r4 = socket$vsock_stream(0x28, 0x1, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000480)=0x7ff, 0x8) (async)
ioctl$GIO_FONTX(r3, 0x4b6b, &(0x7f0000000440)={0x16b, 0x1b, &(0x7f0000000040)})

16:35:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r2, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x8000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r2, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x8000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r2, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x8000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffff9042000780"], 0x24}}, 0x0)
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0)
r4 = socket$vsock_stream(0x28, 0x1, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000480)=0x7ff, 0x8)
ioctl$GIO_FONTX(r3, 0x4b6b, &(0x7f0000000440)={0x16b, 0x1b, &(0x7f0000000040)})
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200fdffffffffffff9042000780"], 0x24}}, 0x0) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0) (async)
socket$vsock_stream(0x28, 0x1, 0x0) (async)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000480)=0x7ff, 0x8) (async)
ioctl$GIO_FONTX(r3, 0x4b6b, &(0x7f0000000440)={0x16b, 0x1b, &(0x7f0000000040)}) (async)

[ 1925.684557] nbd: must specify at least one socket
16:35:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)=ANY=[@ANYBLOB="0100000001339d50b3e200000018000000", @ANYRES32=r2, @ANYBLOB="dec70000000000002e2f66696c653000"])
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x27}}, './file0\x00'})
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x7c, 0x0, 0x708, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x18810)
r4 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0)
r5 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x220000, 0x0)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r5, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r4, {0xffffffffffffff7f}}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x27}}, './file0\x00'}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x7c, 0x0, 0x708, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x18810) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0) (async)
openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x220000, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r5, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r4, {0xffffffffffffff7f}}, './file0\x00'}) (async)

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x26}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x44081)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 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$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r2, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x26}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x44081) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) (async)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240), 0x131000, 0x0)
ioctl$NBD_SET_SOCK(r3, 0xab00, r3) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x2c, r4, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x77564df9e371dede}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x20040000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="3000000050c6f77db58d7d7f37cd13d60f8895609918024d416a6b9c6710b132311e91504888c9073700680a8b044f01c94b388f01d37b38c3cab840ff9714fbc161836d9c7c7ba51c5f19c05fdad560f9c8ab9a778cc22df5b4d5967369ec325c9764052ae6cacb086b2f", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)

[ 1925.766961] nbd: must specify at least one socket
16:35:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000f000000000000010000000c000200fdffffffffffffff04000780"], 0x24}}, 0x0)

16:35:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x27}}, './file0\x00'})
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x7c, 0x0, 0x708, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x18810)
r4 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0)
r5 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x220000, 0x0)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r5, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r4, {0xffffffffffffff7f}}, './file0\x00'})
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x27}}, './file0\x00'}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x7c, 0x0, 0x708, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x18810) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0) (async)
openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x220000, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r5, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r4, {0xffffffffffffff7f}}, './file0\x00'}) (async)

16:35:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)=ANY=[@ANYBLOB="0100000001339d50b3e200000018000000", @ANYRES32=r2, @ANYBLOB="dec70000000000002e2f66696c653000"])
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)=ANY=[@ANYBLOB="0100000001339d50b3e200000018000000", @ANYRES32=r2, @ANYBLOB="dec70000000000002e2f66696c653000"]) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)

16:35:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={<r7=>0xffffffffffffffff})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r9=>0xffffffffffffffff, {0x2}}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x68}, 0x1, 0x0, 0x0, 0x40010}, 0x24004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000f000000000000010000000c000200fdffffffffffffff04000780"], 0x24}}, 0x0) (rerun: 64)

16:35:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r2, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x80}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x8000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:55 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)=ANY=[@ANYBLOB="0100000001339d50b3e200000018000000", @ANYRES32=r2, @ANYBLOB="dec70000000000002e2f66696c653000"]) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000040)=0x4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:55 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x0, &(0x7f00000000c0)=0x9, 0x8)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="3709000002000200000001000000b9ff0200fdffffffffff001e01000020000000000000003cc73307374b8140a731fb"], 0x38}, 0x1, 0x0, 0x0, 0x40004880}, 0x0)

16:35:55 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={<r7=>0xffffffffffffffff})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r9=>0xffffffffffffffff, {0x2}}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x68}, 0x1, 0x0, 0x0, 0x40010}, 0x24004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x68}, 0x1, 0x0, 0x0, 0x40010}, 0x24004000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

16:35:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

16:35:55 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0))

16:35:55 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x0, &(0x7f00000000c0)=0x9, 0x8)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="3709000002000200000001000000b9ff0200fdffffffffff001e01000020000000000000003cc73307374b8140a731fb"], 0x38}, 0x1, 0x0, 0x0, 0x40004880}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x0, &(0x7f00000000c0)=0x9, 0x8) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="3709000002000200000001000000b9ff0200fdffffffffff001e01000020000000000000003cc73307374b8140a731fb"], 0x38}, 0x1, 0x0, 0x0, 0x40004880}, 0x0) (async)

[ 1926.124297] nbd: must specify at least one socket
16:35:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000040)=0x4) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r2=>r1, {0x1f}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r1, 0xc018937c, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r3=>r1, {0x1}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r1, 0xc0189379, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>r1}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = socket(0x21, 0x3, 0x1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r8=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r5, 0xc018937c, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r9=>r2}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r3, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r10=>r5, {0xee01, 0xee00}}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000180)={0xcc, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40000}, 0x80)

[ 1926.207198] nbd: must specify at least one socket
16:35:55 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3709000f000000000000010000000c000200fdffffffffffffff04000780"], 0x24}}, 0x0)

16:35:55 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0))

16:35:55 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x0, &(0x7f00000000c0)=0x9, 0x8)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="3709000002000200000001000000b9ff0200fdffffffffff001e01000020000000000000003cc73307374b8140a731fb"], 0x38}, 0x1, 0x0, 0x0, 0x40004880}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x0, &(0x7f00000000c0)=0x9, 0x8) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="3709000002000200000001000000b9ff0200fdffffffffff001e01000020000000000000003cc73307374b8140a731fb"], 0x38}, 0x1, 0x0, 0x0, 0x40004880}, 0x0) (async)

16:35:55 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={<r7=>0xffffffffffffffff})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r9=>0xffffffffffffffff, {0x2}}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x68}, 0x1, 0x0, 0x0, 0x40010}, 0x24004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1000}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x68}, 0x1, 0x0, 0x0, 0x40010}, 0x24004000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r3, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

16:35:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r2=>r1, {0x1f}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r1, 0xc018937c, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r3=>r1, {0x1}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r1, 0xc0189379, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>r1}, './file0\x00'}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
r7 = socket(0x21, 0x3, 0x1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r8=>0xffffffffffffffff}) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r5, 0xc018937c, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r9=>r2}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r3, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r10=>r5, {0xee01, 0xee00}}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000180)={0xcc, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40000}, 0x80)

16:35:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000040)=0x4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r2=>r1, {0x1f}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r1, 0xc018937c, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r3=>r1, {0x1}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r1, 0xc0189379, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>r1}, './file0\x00'}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
r7 = socket(0x21, 0x3, 0x1) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r8=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r5, 0xc018937c, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r9=>r2}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r3, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r10=>r5, {0xee01, 0xee00}}, './file0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000180)={0xcc, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r1}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40000}, 0x80)

16:35:55 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async, rerun: 64)
getresgid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) (rerun: 64)

16:35:55 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x2c}}, 0x4040)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000e901000000ede2e2562771d54c4299dc5ba8b203936c2ffeca"], 0x14}}, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000240)=0xd1a9, 0x8)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x80)
ioctl$IOCTL_STATUS_ACCEL_DEV(0xffffffffffffffff, 0x40046103, &(0x7f0000000280)={0x3, 0x4, 0x1, 0x0, 0x7f, 0x1f, 0x40, 0x5d, 0x4, 0x90, 0x3, "dfddafbac7574a402cae5356da5e088aed7b3d9edf0000000000004d0d954ab8"})
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0)
ioctl$VT_RELDISP(r5, 0x5605)

[ 1926.448140] nbd: must specify at least one socket
16:35:55 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @out_args}, './file0\x00'})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x88, r3, 0x1, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff6a}]}, 0x88}, 0x1, 0x0, 0x0, 0x20000000}, 0x40)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200ffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:55 executing program 5:
sched_getattr(0x0, &(0x7f0000000000)={0x38}, 0x38, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket(0x2c, 0x80000, 0x4)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r5, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x50}, 0x1, 0x0, 0x0, 0x4}, 0x810)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r8, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r8, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000)

16:35:55 executing program 5:
sched_getattr(0x0, &(0x7f0000000000)={0x38}, 0x38, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket(0x2c, 0x80000, 0x4)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
sched_getattr(0x0, &(0x7f0000000000)={0x38}, 0x38, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket(0x2c, 0x80000, 0x4) (async)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]}) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)

16:35:55 executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='loginuid\x00')
read$snapshot(r0, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$VHOST_NET_SET_BACKEND(0xffffffffffffffff, 0x4008af30, 0x0)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000001}, 0xc, &(0x7f0000000380)={&(0x7f0000000440)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="000227bd7000fedbdf250100000008000100000000001c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB, @ANYRES32=r3, @ANYBLOB="2400078008000100", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c00080002000000000000000c00040001010000000000000c0008000600000000000000"], 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x1)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000500)={&(0x7f0000000540)=ANY=[@ANYBLOB="44d2a522a078d7a2ff8ed9c5ce3863132706397f941818879af67cde1e2b35499cb8a53af1f065023f2ddfe3105e2253ddf0fc62b19177999dea3e6a9b789ea700df0ec427ff8463ae9ee52dd11ed72c09ceaff413428c947e31b0", @ANYRESHEX=r7, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x20, r9, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}}, 0x40)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="370900000000000004000000001e763b2c13935b000c000240000000000400e9ff580007800c00060001baa0c5b52b34bef3b5d5e044dde6f134a862f7f4c156703b184a7be046b96e64cb7c1ef7965c8c4a1e953e646c38ceefc04d7fe89326b14b84e64c146fe8392bb9870db65bb303ab34f8d8ef7351118e4915f156bf8d7b605e719fc11ab443dd4e97392af7fffb0883e87e76cee7739dedd1cc77f4fe37003833800b158d9e443796837afd4f3502883f5cc9b713478af9bffba545474f57de7d0d0acd17385e99864a848b0c1913e36d952296fbc8eb4ebca7a34bca765dfc809a314bcae2f4591d0707"], 0x30}}, 0x0)

16:35:55 executing program 5:
sched_getattr(0x0, &(0x7f0000000000)={0x38}, 0x38, 0x0) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = socket(0x2c, 0x80000, 0x4)
ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r1, 0x800443d2, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{}]}) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:55 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x2c}}, 0x4040) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000e901000000ede2e2562771d54c4299dc5ba8b203936c2ffeca"], 0x14}}, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000240)=0xd1a9, 0x8) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x80) (async)
ioctl$IOCTL_STATUS_ACCEL_DEV(0xffffffffffffffff, 0x40046103, &(0x7f0000000280)={0x3, 0x4, 0x1, 0x0, 0x7f, 0x1f, 0x40, 0x5d, 0x4, 0x90, 0x3, "dfddafbac7574a402cae5356da5e088aed7b3d9edf0000000000004d0d954ab8"}) (async)
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0) (async)
ioctl$VT_RELDISP(r5, 0x5605)

16:35:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (rerun: 32)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r5, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x50}, 0x1, 0x0, 0x0, 0x4}, 0x810)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r8, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r8, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000)

16:35:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
ioctl$IOCTL_START_ACCEL_DEV(r2, 0x40096102, &(0x7f0000000300)={{&(0x7f00000006c0)={'Accelerator0\x00', {&(0x7f0000000380)=@adf_hex={@normal='NumberCyInstances\x00', {0x100000000}, {&(0x7f0000000240)=@adf_dec={@bank={'Bank', '1', 'InterruptCoalescingNumResponses\x00'}, {0xd9a6}}}}}, {&(0x7f0000000640)={'GENERAL\x00', {&(0x7f0000000580)=@adf_dec={@normal='NumberDcInstances\x00', {0x8}, {&(0x7f00000004c0)=@adf_str={@format={'Cy', '5', 'BankNumber\x00'}, {"21bff4cd34dce2f0cc5ba0f358713fa1e90f06346051fcc34a5684bbe990fec4be9c42cef5f92121e26d5a1b5b9f394b0c0d6b25ece6716c936287fbc0c2726f"}}}}}}}}}, 0x3})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = socket(0x31, 0x5, 0x66a)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net/ip6_tables_names\x00')
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x98, r1, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x882)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:55 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x2c}}, 0x4040)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000e901000000ede2e2562771d54c4299dc5ba8b203936c2ffeca"], 0x14}}, 0x0)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000240)=0xd1a9, 0x8)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x80)
ioctl$IOCTL_STATUS_ACCEL_DEV(0xffffffffffffffff, 0x40046103, &(0x7f0000000280)={0x3, 0x4, 0x1, 0x0, 0x7f, 0x1f, 0x40, 0x5d, 0x4, 0x90, 0x3, "dfddafbac7574a402cae5356da5e088aed7b3d9edf0000000000004d0d954ab8"})
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0)
ioctl$VT_RELDISP(r5, 0x5605)
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0x2c}}, 0x4040) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000e901000000ede2e2562771d54c4299dc5ba8b203936c2ffeca"], 0x14}}, 0x0) (async)
setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000240)=0xd1a9, 0x8) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x80) (async)
ioctl$IOCTL_STATUS_ACCEL_DEV(0xffffffffffffffff, 0x40046103, &(0x7f0000000280)={0x3, 0x4, 0x1, 0x0, 0x7f, 0x1f, 0x40, 0x5d, 0x4, 0x90, 0x3, "dfddafbac7574a402cae5356da5e088aed7b3d9edf0000000000004d0d954ab8"}) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0) (async)
ioctl$VT_RELDISP(r5, 0x5605) (async)

[ 1926.846237] nbd: must specify at least one socket
16:35:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370927bd700000000000010000000c000480f9ffffffffffffff1400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="040007800c0002009d03000000000000"], 0x44}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r5, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x1)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r3, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3, {r3}}, './file0\x00'})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

16:35:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0) (async)
ioctl$IOCTL_START_ACCEL_DEV(r2, 0x40096102, &(0x7f0000000300)={{&(0x7f00000006c0)={'Accelerator0\x00', {&(0x7f0000000380)=@adf_hex={@normal='NumberCyInstances\x00', {0x100000000}, {&(0x7f0000000240)=@adf_dec={@bank={'Bank', '1', 'InterruptCoalescingNumResponses\x00'}, {0xd9a6}}}}}, {&(0x7f0000000640)={'GENERAL\x00', {&(0x7f0000000580)=@adf_dec={@normal='NumberDcInstances\x00', {0x8}, {&(0x7f00000004c0)=@adf_str={@format={'Cy', '5', 'BankNumber\x00'}, {"21bff4cd34dce2f0cc5ba0f358713fa1e90f06346051fcc34a5684bbe990fec4be9c42cef5f92121e26d5a1b5b9f394b0c0d6b25ece6716c936287fbc0c2726f"}}}}}}}}}, 0x3}) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
r4 = socket(0x31, 0x5, 0x66a) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net/ip6_tables_names\x00') (async)
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x98, r1, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x882)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:56 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @out_args}, './file0\x00'}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x88, r3, 0x1, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff6a}]}, 0x88}, 0x1, 0x0, 0x0, 0x20000000}, 0x40) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200ffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:56 executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='loginuid\x00')
read$snapshot(r0, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
ioctl$VHOST_NET_SET_BACKEND(0xffffffffffffffff, 0x4008af30, 0x0) (async, rerun: 64)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000001}, 0xc, &(0x7f0000000380)={&(0x7f0000000440)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="000227bd7000fedbdf250100000008000100000000001c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB, @ANYRES32=r3, @ANYBLOB="2400078008000100", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c00080002000000000000000c00040001010000000000000c0008000600000000000000"], 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x1) (async)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000500)={&(0x7f0000000540)=ANY=[@ANYBLOB="44d2a522a078d7a2ff8ed9c5ce3863132706397f941818879af67cde1e2b35499cb8a53af1f065023f2ddfe3105e2253ddf0fc62b19177999dea3e6a9b789ea700df0ec427ff8463ae9ee52dd11ed72c09ceaff413428c947e31b0", @ANYRESHEX=r7, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) (async)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x20, r9, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}}, 0x40) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="370900000000000004000000001e763b2c13935b000c000240000000000400e9ff580007800c00060001baa0c5b52b34bef3b5d5e044dde6f134a862f7f4c156703b184a7be046b96e64cb7c1ef7965c8c4a1e953e646c38ceefc04d7fe89326b14b84e64c146fe8392bb9870db65bb303ab34f8d8ef7351118e4915f156bf8d7b605e719fc11ab443dd4e97392af7fffb0883e87e76cee7739dedd1cc77f4fe37003833800b158d9e443796837afd4f3502883f5cc9b713478af9bffba545474f57de7d0d0acd17385e99864a848b0c1913e36d952296fbc8eb4ebca7a34bca765dfc809a314bcae2f4591d0707"], 0x30}}, 0x0)

16:35:56 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$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

[ 1927.360573] nla_parse: 19 callbacks suppressed
[ 1927.360578] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1927.464673] nbd: must specify at least one socket
16:35:56 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$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)

16:35:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370927bd700000000000010000000c000480f9ffffffffffffff1400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="040007800c0002009d03000000000000"], 0x44}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r5, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x1)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r3, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3, {r3}}, './file0\x00'})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370927bd700000000000010000000c000480f9ffffffffffffff1400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="040007800c0002009d03000000000000"], 0x44}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r5, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x1) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r3, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3, {r3}}, './file0\x00'}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)

16:35:56 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, @out_args}, './file0\x00'}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x88, r3, 0x1, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffff6a}]}, 0x88}, 0x1, 0x0, 0x0, 0x20000000}, 0x40) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c000200ffffffffff0c000300000000000000000004000780"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, 0x0)
ioctl$IOCTL_START_ACCEL_DEV(r2, 0x40096102, &(0x7f0000000300)={{&(0x7f00000006c0)={'Accelerator0\x00', {&(0x7f0000000380)=@adf_hex={@normal='NumberCyInstances\x00', {0x100000000}, {&(0x7f0000000240)=@adf_dec={@bank={'Bank', '1', 'InterruptCoalescingNumResponses\x00'}, {0xd9a6}}}}}, {&(0x7f0000000640)={'GENERAL\x00', {&(0x7f0000000580)=@adf_dec={@normal='NumberDcInstances\x00', {0x8}, {&(0x7f00000004c0)=@adf_str={@format={'Cy', '5', 'BankNumber\x00'}, {"21bff4cd34dce2f0cc5ba0f358713fa1e90f06346051fcc34a5684bbe990fec4be9c42cef5f92121e26d5a1b5b9f394b0c0d6b25ece6716c936287fbc0c2726f"}}}}}}}}}, 0x3}) (async)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
r4 = socket(0x31, 0x5, 0x66a) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='net/ip6_tables_names\x00')
ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff}, './file0\x00'})
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x98, r1, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x882) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:56 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r5, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x50}, 0x1, 0x0, 0x0, 0x4}, 0x810)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r8, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r8, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000)
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r5, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x50}, 0x1, 0x0, 0x0, 0x4}, 0x810) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r8, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r8, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) (async)

16:35:56 executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='loginuid\x00')
read$snapshot(r0, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$VHOST_NET_SET_BACKEND(0xffffffffffffffff, 0x4008af30, 0x0)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000001}, 0xc, &(0x7f0000000380)={&(0x7f0000000440)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="000227bd7000fedbdf250100000008000100000000001c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB, @ANYRES32=r3, @ANYBLOB="2400078008000100", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c00080002000000000000000c00040001010000000000000c0008000600000000000000"], 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x1)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000500)={&(0x7f0000000540)=ANY=[@ANYBLOB="44d2a522a078d7a2ff8ed9c5ce3863132706397f941818879af67cde1e2b35499cb8a53af1f065023f2ddfe3105e2253ddf0fc62b19177999dea3e6a9b789ea700df0ec427ff8463ae9ee52dd11ed72c09ceaff413428c947e31b0", @ANYRESHEX=r7, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x20, r9, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}}, 0x40)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="370900000000000004000000001e763b2c13935b000c000240000000000400e9ff580007800c00060001baa0c5b52b34bef3b5d5e044dde6f134a862f7f4c156703b184a7be046b96e64cb7c1ef7965c8c4a1e953e646c38ceefc04d7fe89326b14b84e64c146fe8392bb9870db65bb303ab34f8d8ef7351118e4915f156bf8d7b605e719fc11ab443dd4e97392af7fffb0883e87e76cee7739dedd1cc77f4fe37003833800b158d9e443796837afd4f3502883f5cc9b713478af9bffba545474f57de7d0d0acd17385e99864a848b0c1913e36d952296fbc8eb4ebca7a34bca765dfc809a314bcae2f4591d0707"], 0x30}}, 0x0)
syz_open_procfs(0x0, &(0x7f0000000040)='loginuid\x00') (async)
read$snapshot(r0, 0x0, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$VHOST_NET_SET_BACKEND(0xffffffffffffffff, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000001}, 0xc, &(0x7f0000000380)={&(0x7f0000000440)=ANY=[@ANYBLOB="80000000", @ANYRES16=0x0, @ANYBLOB="000227bd7000fedbdf250100000008000100000000001c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB, @ANYRES32=r3, @ANYBLOB="2400078008000100", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="0c00080002000000000000000c00040001010000000000000c0008000600000000000000"], 0x80}, 0x1, 0x0, 0x0, 0x10}, 0x1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000500)={&(0x7f0000000540)=ANY=[@ANYBLOB="44d2a522a078d7a2ff8ed9c5ce3863132706397f941818879af67cde1e2b35499cb8a53af1f065023f2ddfe3105e2253ddf0fc62b19177999dea3e6a9b789ea700df0ec427ff8463ae9ee52dd11ed72c09ceaff413428c947e31b0", @ANYRESHEX=r7, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x20, r9, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}}, 0x40) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="370900000000000004000000001e763b2c13935b000c000240000000000400e9ff580007800c00060001baa0c5b52b34bef3b5d5e044dde6f134a862f7f4c156703b184a7be046b96e64cb7c1ef7965c8c4a1e953e646c38ceefc04d7fe89326b14b84e64c146fe8392bb9870db65bb303ab34f8d8ef7351118e4915f156bf8d7b605e719fc11ab443dd4e97392af7fffb0883e87e76cee7739dedd1cc77f4fe37003833800b158d9e443796837afd4f3502883f5cc9b713478af9bffba545474f57de7d0d0acd17385e99864a848b0c1913e36d952296fbc8eb4ebca7a34bca765dfc809a314bcae2f4591d0707"], 0x30}}, 0x0) (async)

16:35:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x4000010}, 0x0)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000080}, 0x22000000)
setsockopt$WPAN_WANTLQI(r1, 0x0, 0x3, &(0x7f0000000000)=0x1, 0x4)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x400, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r1, 0xc0189375, &(0x7f0000000140)={{0x1, 0x1, 0x18, r2}, './file0\x00'})

16:35:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370927bd700000000000010000000c000480f9ffffffffffffff1400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="040007800c0002009d03000000000000"], 0x44}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r5, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x1)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r3, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3, {r3}}, './file0\x00'})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="370927bd700000000000010000000c000480f9ffffffffffffff1400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="040007800c0002009d03000000000000"], 0x44}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r5, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x1) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r3, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3, {r3}}, './file0\x00'}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)

[ 1927.599660] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1927.639284] nbd: must specify at least one socket
16:35:56 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$TIOCSTI(0xffffffffffffffff, 0x5412, &(0x7f0000000040))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r2 = syz_open_dev$tty1(0xc, 0x4, 0x3)
ioctl$TIOCNXCL(r2, 0x540d)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="370900000000020200000100000008000100000000000c00050000000000008000000c000500050000000000000047975b994c2882a1632c08cef9d65694bc7964831e2cc9a5687842b2fb4f6c37829f02d749d7e06ba235447a90a1451f3bd33edd4e11e56c660b63305860b730f482ec545c52a0380335501f793a10dc75727855de8a6c091f496be7ff2a6780d2ee64be5993a8af21ea072d97034e839683ed751140d5fc49b28f303cc363c3a67192c24779809d86ffd2084c28c5fb279c72b74f778f6e0ac5a3e19e00fe641aa4"], 0x34}, 0x1, 0x0, 0x0, 0x4000c011}, 0x0)

16:35:56 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$nbd(&(0x7f00000005c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)

16:35:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_pts(0xffffffffffffffff, 0x4001)
ioctl$PIO_UNIMAP(r3, 0x4b67, &(0x7f0000000080)={0x4, &(0x7f0000000040)=[{0x639, 0xdc}, {0x0, 0xff}, {0x9, 0x6}, {0x5, 0x4}]})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:56 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="94860400", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r4 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0)
semctl$IPC_STAT(0xffffffffffffffff, 0x0, 0x2, &(0x7f00000006c0)=""/4096)
ioctl$TCGETS2(r4, 0x802c542a, &(0x7f0000000180))
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040000}, 0x1)

16:35:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x4000010}, 0x0)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000080}, 0x22000000)
setsockopt$WPAN_WANTLQI(r1, 0x0, 0x3, &(0x7f0000000000)=0x1, 0x4) (async)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x400, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r1, 0xc0189375, &(0x7f0000000140)={{0x1, 0x1, 0x18, r2}, './file0\x00'})

16:35:56 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="94860400", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r4 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0)
semctl$IPC_STAT(0xffffffffffffffff, 0x0, 0x2, &(0x7f00000006c0)=""/4096) (async)
ioctl$TCGETS2(r4, 0x802c542a, &(0x7f0000000180)) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040000}, 0x1)

16:35:56 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$TIOCSTI(0xffffffffffffffff, 0x5412, &(0x7f0000000040)) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
r2 = syz_open_dev$tty1(0xc, 0x4, 0x3)
ioctl$TIOCNXCL(r2, 0x540d) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="370900000000020200000100000008000100000000000c00050000000000008000000c000500050000000000000047975b994c2882a1632c08cef9d65694bc7964831e2cc9a5687842b2fb4f6c37829f02d749d7e06ba235447a90a1451f3bd33edd4e11e56c660b63305860b730f482ec545c52a0380335501f793a10dc75727855de8a6c091f496be7ff2a6780d2ee64be5993a8af21ea072d97034e839683ed751140d5fc49b28f303cc363c3a67192c24779809d86ffd2084c28c5fb279c72b74f778f6e0ac5a3e19e00fe641aa4"], 0x34}, 0x1, 0x0, 0x0, 0x4000c011}, 0x0)

[ 1927.806217] nbd: must specify at least one socket
16:35:56 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="00000000004ff85106646c68f7f54b2a8af50600640572e5840eececb90f641005b2438bb5f96886cd854e645d83e4c852248403862f0c91bbdd6934c3cbbe666efbfbf29619e7979c3e58cb76954b464717ed4fe2e1c1f6ab899e6c9048ae7face08887f3bd00d47ad11c3e32cd0f2b6dba", @ANYRES16=r2, @ANYBLOB="33092cbd500003000000010000000800010000000000040007800c0006000100000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x80)

16:35:56 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$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_open_pts(0xffffffffffffffff, 0x4001)
ioctl$PIO_UNIMAP(r3, 0x4b67, &(0x7f0000000080)={0x4, &(0x7f0000000040)=[{0x639, 0xdc}, {0x0, 0xff}, {0x9, 0x6}, {0x5, 0x4}]}) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x4000010}, 0x0)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000080}, 0x22000000) (async)
setsockopt$WPAN_WANTLQI(r1, 0x0, 0x3, &(0x7f0000000000)=0x1, 0x4) (async)
r2 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x400, 0x0)
ioctl$PIO_FONTX(r2, 0x4b6c, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r1, 0xc0189375, &(0x7f0000000140)={{0x1, 0x1, 0x18, r2}, './file0\x00'})

16:35:56 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x34, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x0)

16:35:56 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$TIOCSTI(0xffffffffffffffff, 0x5412, &(0x7f0000000040)) (async, rerun: 32)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
r2 = syz_open_dev$tty1(0xc, 0x4, 0x3)
ioctl$TIOCNXCL(r2, 0x540d) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="370900000000020200000100000008000100000000000c00050000000000008000000c000500050000000000000047975b994c2882a1632c08cef9d65694bc7964831e2cc9a5687842b2fb4f6c37829f02d749d7e06ba235447a90a1451f3bd33edd4e11e56c660b63305860b730f482ec545c52a0380335501f793a10dc75727855de8a6c091f496be7ff2a6780d2ee64be5993a8af21ea072d97034e839683ed751140d5fc49b28f303cc363c3a67192c24779809d86ffd2084c28c5fb279c72b74f778f6e0ac5a3e19e00fe641aa4"], 0x34}, 0x1, 0x0, 0x0, 0x4000c011}, 0x0)

[ 1927.925448] nbd: must specify at least one socket
16:35:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_open_pts(0xffffffffffffffff, 0x4001)
ioctl$PIO_UNIMAP(r3, 0x4b67, &(0x7f0000000080)={0x4, &(0x7f0000000040)=[{0x639, 0xdc}, {0x0, 0xff}, {0x9, 0x6}, {0x5, 0x4}]})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
syz_open_pts(0xffffffffffffffff, 0x4001) (async)
ioctl$PIO_UNIMAP(r3, 0x4b67, &(0x7f0000000080)={0x4, &(0x7f0000000040)=[{0x639, 0xdc}, {0x0, 0xff}, {0x9, 0x6}, {0x5, 0x4}]}) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="00000000004ff85106646c68f7f54b2a8af50600640572e5840eececb90f641005b2438bb5f96886cd854e645d83e4c852248403862f0c91bbdd6934c3cbbe666efbfbf29619e7979c3e58cb76954b464717ed4fe2e1c1f6ab899e6c9048ae7face08887f3bd00d47ad11c3e32cd0f2b6dba", @ANYRES16=r2, @ANYBLOB="33092cbd500003000000010000000800010000000000040007800c0006000100000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x80)

16:35:57 executing program 5:
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r0=>0xffffffffffffffff, {0x9}}, './file0\x00'})
ioctl$TIOCGDEV(r0, 0x80045432, &(0x7f0000000040))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x44, 0x0, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}]}, 0x44}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r3=>r0}, './file1\x00'})
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r0, 0xc018937c, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r5=>r0, {0x1}}, './file0\x00'})
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f0000000240)={{0x1, 0x1, 0x18, r0}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, 0x0, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf52}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="94860400", @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}}, 0x0) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
r4 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r4, 0x4b6c, 0x0) (async)
semctl$IPC_STAT(0xffffffffffffffff, 0x0, 0x2, &(0x7f00000006c0)=""/4096) (async)
ioctl$TCGETS2(r4, 0x802c542a, &(0x7f0000000180)) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040000}, 0x1)

16:35:57 executing program 5:
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r0=>0xffffffffffffffff, {0x9}}, './file0\x00'})
ioctl$TIOCGDEV(r0, 0x80045432, &(0x7f0000000040)) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x44, 0x0, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}]}, 0x44}}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r3=>r0}, './file1\x00'}) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r0, 0xc018937c, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r5=>r0, {0x1}}, './file0\x00'}) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f0000000240)={{0x1, 0x1, 0x18, r0}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, 0x0, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf52}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}}, 0x20000000) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}}, 0x801)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="00000000004ff85106646c68f7f54b2a8af50600640572e5840eececb90f641005b2438bb5f96886cd854e645d83e4c852248403862f0c91bbdd6934c3cbbe666efbfbf29619e7979c3e58cb76954b464717ed4fe2e1c1f6ab899e6c9048ae7face08887f3bd00d47ad11c3e32cd0f2b6dba", @ANYRES16=r2, @ANYBLOB="33092cbd500003000000010000000800010000000000040007800c0006000100000000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40010}, 0x80)

16:35:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="5c00001feae2890e53e47423780bda73a539bbd19b51300aabfac106e4e83040e0052726aeb9dd7d99bcb9819d0eb9637cc8ee238e46860a511f1aaa1b694cd5e3801645ec9d4c72499919bfe51f730da9879cfaca79e6f7f2d2c5fea87206a4cb", @ANYRES16=r2, @ANYBLOB="000127bd7000ffdbdf25010000000c00080007000000000000000c00050028000000000000000c000400fffffffffeffffff0c00020001000100000000000c0005002b010000000000000c0002000400000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x20000800}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0)
ioctl$PIO_FONTRESET(r5, 0x4b6d, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1928.065880] nbd: must specify at least one socket
16:35:57 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}}, 0x801)

16:35:57 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x34, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x34, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x0) (async)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, {0x800}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r5=>0xffffffffffffffff, {0x9}}, './file0\x00'})
recvfrom$l2tp(r5, &(0x7f0000000380)=""/240, 0xf0, 0x100, &(0x7f0000000300)={0x2, 0x0, @local}, 0x10)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff, {0x1}}, './file0\x00'})
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xa8, r2, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x40080)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r8)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r9, 0x10, 0x40000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:57 executing program 5:
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, <r0=>0xffffffffffffffff, {0x9}}, './file0\x00'})
ioctl$TIOCGDEV(r0, 0x80045432, &(0x7f0000000040))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000280)={0x44, 0x0, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}]}, 0x44}}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r3=>r0}, './file1\x00'})
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r0, 0xc018937c, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r5=>r0, {0x1}}, './file0\x00'})
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f0000000240)={{0x1, 0x1, 0x18, r0}, './file0\x00'})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, 0x0, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf52}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (rerun: 32)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="5c00001feae2890e53e47423780bda73a539bbd19b51300aabfac106e4e83040e0052726aeb9dd7d99bcb9819d0eb9637cc8ee238e46860a511f1aaa1b694cd5e3801645ec9d4c72499919bfe51f730da9879cfaca79e6f7f2d2c5fea87206a4cb", @ANYRES16=r2, @ANYBLOB="000127bd7000ffdbdf25010000000c00080007000000000000000c00050028000000000000000c000400fffffffffeffffff0c00020001000100000000000c0005002b010000000000000c0002000400000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x20000800}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3) (async)
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0) (async)
ioctl$PIO_FONTRESET(r5, 0x4b6d, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:57 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)={0x68, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}}, 0x801)

[ 1928.164645] nbd: must specify at least one socket
16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, {0x800}}, './file0\x00'})
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r5=>0xffffffffffffffff, {0x9}}, './file0\x00'})
recvfrom$l2tp(r5, &(0x7f0000000380)=""/240, 0xf0, 0x100, &(0x7f0000000300)={0x2, 0x0, @local}, 0x10)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff, {0x1}}, './file0\x00'})
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xa8, r2, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x40080)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r8)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r9, 0x10, 0x40000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000100)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x800}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x9}}, './file0\x00'}) (async)
recvfrom$l2tp(r5, &(0x7f0000000380)=""/240, 0xf0, 0x100, &(0x7f0000000300)={0x2, 0x0, @local}, 0x10) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000180)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xa8, r2, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x40080) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r8) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r9, 0x10, 0x40000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)

16:35:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x4015}, 0x0)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xbd, 0x70b}}, './file0\x00'})

[ 1928.208800] nbd: must specify at least one socket
16:35:57 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x34, r1, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x0)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x4015}, 0x0)

[ 1928.258566] nbd: must specify a size in bytes for the device
16:35:57 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xbd, 0x70b}}, './file0\x00'})

16:35:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x2c}}, 0x0)

16:35:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="5c00001feae2890e53e47423780bda73a539bbd19b51300aabfac106e4e83040e0052726aeb9dd7d99bcb9819d0eb9637cc8ee238e46860a511f1aaa1b694cd5e3801645ec9d4c72499919bfe51f730da9879cfaca79e6f7f2d2c5fea87206a4cb", @ANYRES16=r2, @ANYBLOB="000127bd7000ffdbdf25010000000c00080007000000000000000c00050028000000000000000c000400fffffffffeffffff0c00020001000100000000000c0005002b010000000000000c0002000400000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x20000800}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3) (async)
r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
ioctl$PIO_FONTX(r5, 0x4b6c, 0x0) (async)
ioctl$PIO_FONTRESET(r5, 0x4b6d, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff}) (async)
ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, {0x800}}, './file0\x00'}) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, <r5=>0xffffffffffffffff, {0x9}}, './file0\x00'})
recvfrom$l2tp(r5, &(0x7f0000000380)=""/240, 0xf0, 0x100, &(0x7f0000000300)={0x2, 0x0, @local}, 0x10) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff, {0x1}}, './file0\x00'})
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xa8, r2, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x40080) (async)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r8)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r9, 0x10, 0x40000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:57 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x2c}}, 0x0)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff}, './file0\x00'})
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x44044)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000240), 0x800, 0x0)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
connect$802154_dgram(r4, &(0x7f0000000200)={0x24, @short={0x2, 0x0, 0xaaa2}}, 0x14)
bind$802154_dgram(r5, &(0x7f0000000000)={0x24, @long={0x3, 0x2, {0xaaaaaaaaaaaa0302}}}, 0x14)

16:35:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xbd, 0x70b}}, './file0\x00'})

16:35:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$vsock_stream(0x28, 0x1, 0x0)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
write$snapshot(0xffffffffffffffff, &(0x7f0000000040)="4af1c4fb1454af2c7b6e9c2a840aece0ea78566a4c9ce20741dd13821d62986dc2b0b3b6fc89d07f34bdfb48bb8ad2bc819e19797edd934c8aedb435804ba819c4647b8fef0f3cf76d7fcdbb5e9b6103de5c47aed25e5f124642d29b362f1fd9730eb6bd1de8f2d457cdb7ad357e37982fa7b37ffdcd6cf35519cbffa0265fef2f07a8d030e30181385d0b956fd22242e2ecb7e5ced8ca86aa0da08beb2decfd9077df1dbcbbd6ded65e137bc02d32f2fdbee9c1cfc0dba79bd1f0b43680c30e8f34b4eec894110714fb1847b73fd1668465ccaab141fb906d7277fb48a981f1d6a1", 0xe2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x4015}, 0x0)

16:35:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$TIOCGDEV(0xffffffffffffffff, 0x80045432, &(0x7f0000000180))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0x4}, 0x14}}, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, r4, {<r6=>r5}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280))
ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4, {0x200}}, './file0\x00'})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = socket(0x1e, 0x80e, 0x8)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000440)={0x9c, 0x0, 0x400, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r5}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}}, 0x20008045)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r2, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb0c}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x20}, 0x4000040)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
write$snapshot(0xffffffffffffffff, &(0x7f0000000040)="4af1c4fb1454af2c7b6e9c2a840aece0ea78566a4c9ce20741dd13821d62986dc2b0b3b6fc89d07f34bdfb48bb8ad2bc819e19797edd934c8aedb435804ba819c4647b8fef0f3cf76d7fcdbb5e9b6103de5c47aed25e5f124642d29b362f1fd9730eb6bd1de8f2d457cdb7ad357e37982fa7b37ffdcd6cf35519cbffa0265fef2f07a8d030e30181385d0b956fd22242e2ecb7e5ced8ca86aa0da08beb2decfd9077df1dbcbbd6ded65e137bc02d32f2fdbee9c1cfc0dba79bd1f0b43680c30e8f34b4eec894110714fb1847b73fd1668465ccaab141fb906d7277fb48a981f1d6a1", 0xe2) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff}, './file0\x00'})
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x44044)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000240), 0x800, 0x0)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
connect$802154_dgram(r4, &(0x7f0000000200)={0x24, @short={0x2, 0x0, 0xaaa2}}, 0x14)
bind$802154_dgram(r5, &(0x7f0000000000)={0x24, @long={0x3, 0x2, {0xaaaaaaaaaaaa0302}}}, 0x14)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x80) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x44044) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000240), 0x800, 0x0) (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
connect$802154_dgram(r4, &(0x7f0000000200)={0x24, @short={0x2, 0x0, 0xaaa2}}, 0x14) (async)
bind$802154_dgram(r5, &(0x7f0000000000)={0x24, @long={0x3, 0x2, {0xaaaaaaaaaaaa0302}}}, 0x14) (async)

[ 1928.593520] nbd: must specify at least one socket
16:35:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x2c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x2c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x2c}}, 0x0) (async)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
write$snapshot(0xffffffffffffffff, &(0x7f0000000040)="4af1c4fb1454af2c7b6e9c2a840aece0ea78566a4c9ce20741dd13821d62986dc2b0b3b6fc89d07f34bdfb48bb8ad2bc819e19797edd934c8aedb435804ba819c4647b8fef0f3cf76d7fcdbb5e9b6103de5c47aed25e5f124642d29b362f1fd9730eb6bd1de8f2d457cdb7ad357e37982fa7b37ffdcd6cf35519cbffa0265fef2f07a8d030e30181385d0b956fd22242e2ecb7e5ced8ca86aa0da08beb2decfd9077df1dbcbbd6ded65e137bc02d32f2fdbee9c1cfc0dba79bd1f0b43680c30e8f34b4eec894110714fb1847b73fd1668465ccaab141fb906d7277fb48a981f1d6a1", 0xe2) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="37090000000000000000010000000c0002000000000000000000040007800c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (rerun: 64)

16:35:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
socket$vsock_stream(0x28, 0x1, 0x0) (rerun: 32)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff}, './file0\x00'})
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x44044)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000240), 0x800, 0x0)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
connect$802154_dgram(r4, &(0x7f0000000200)={0x24, @short={0x2, 0x0, 0xaaa2}}, 0x14)
bind$802154_dgram(r5, &(0x7f0000000000)={0x24, @long={0x3, 0x2, {0xaaaaaaaaaaaa0302}}}, 0x14)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x800}, 0x80) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14000000", @ANYRES16=r4, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x44044) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000240), 0x800, 0x0) (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
connect$802154_dgram(r4, &(0x7f0000000200)={0x24, @short={0x2, 0x0, 0xaaa2}}, 0x14) (async)
bind$802154_dgram(r5, &(0x7f0000000000)={0x24, @long={0x3, 0x2, {0xaaaaaaaaaaaa0302}}}, 0x14) (async)

16:35:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000380)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="20202bbd7000ffdbdf25050000000c000200a00900ea000000000e0002000200000000000000bb991416f703f752e7bbcf2d4645649394277994c0915447ed49bb586f6ba94364c7273897b9065aa74a22fcdbc6ebe2511624124ade75950ac01e1a497d24bd3bfa7d9ce8e31575bf39aff7dcabf60f932110b2aeb9acb7026329c828ae20020579b1ed34bd5f750ddb9b01cf3cc430a7f63c399a242c65b0303dbe84a619dededef39f62b65fe33c89719188b2be5122a8ea28940663793fde7ab50ac754f3b68d5922e8e2740492f3a8cd"], 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000140)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x40000800}, 0x20004800)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x800, 0x0)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x80000001}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r4=>0xffffffffffffffff})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r5, 0xc018937b, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r9=>r7, {0xee01, 0xee00}}, './file0\x00'})
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={0x9c, r2, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r10}]}]}, 0x9c}}, 0x0)

16:35:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$TIOCGDEV(0xffffffffffffffff, 0x80045432, &(0x7f0000000180)) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0x4}, 0x14}}, 0x0) (async)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, r4, {<r6=>r5}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280))
ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4, {0x200}}, './file0\x00'}) (async)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = socket(0x1e, 0x80e, 0x8)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000440)={0x9c, 0x0, 0x400, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r5}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}}, 0x20008045) (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r2, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb0c}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x20}, 0x4000040)

[ 1928.758137] nbd: must specify at least one socket
16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14003ad9", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

[ 1928.794919] nbd: must specify at least one socket
16:35:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000380)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="20202bbd7000ffdbdf25050000000c000200a00900ea000000000e0002000200000000000000bb991416f703f752e7bbcf2d4645649394277994c0915447ed49bb586f6ba94364c7273897b9065aa74a22fcdbc6ebe2511624124ade75950ac01e1a497d24bd3bfa7d9ce8e31575bf39aff7dcabf60f932110b2aeb9acb7026329c828ae20020579b1ed34bd5f750ddb9b01cf3cc430a7f63c399a242c65b0303dbe84a619dededef39f62b65fe33c89719188b2be5122a8ea28940663793fde7ab50ac754f3b68d5922e8e2740492f3a8cd"], 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000140)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x40000800}, 0x20004800)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x800, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x80000001}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r4=>0xffffffffffffffff}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r5, 0xc018937b, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r9=>r7, {0xee01, 0xee00}}, './file0\x00'})
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={0x9c, r2, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r10}]}]}, 0x9c}}, 0x0)

16:35:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8f33}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x20004000)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r3, 0x10, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x1)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket$vsock_stream(0x28, 0x1, 0x0)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14003ad9", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$TIOCGDEV(0xffffffffffffffff, 0x80045432, &(0x7f0000000180))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0x4}, 0x14}}, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, r4, {<r6=>r5}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280))
ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f00000002c0)={{0x1, 0x1, 0x18, <r7=>r4, {0x200}}, './file0\x00'})
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0)
r9 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0)
r10 = socket(0x1e, 0x80e, 0x8)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000440)={0x9c, 0x0, 0x400, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r5}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}}, 0x20008045)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r2, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb0c}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x20}, 0x4000040)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$TIOCGDEV(0xffffffffffffffff, 0x80045432, &(0x7f0000000180)) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14, 0x0, 0x0, 0x0, 0x4}, 0x14}}, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r4, 0xc0189378, &(0x7f0000000240)={{0x1, 0x1, 0x18, r4, {r5}}, './file0\x00'}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async)
ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r4, {0x200}}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r9, 0x4008af30, 0x0) (async)
socket(0x1e, 0x80e, 0x8) (async)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000440)={0x9c, 0x0, 0x400, 0x70bd26, 0x25dfdc01, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r5}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r5}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x401}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x9c}}, 0x20008045) (async)
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r2, 0x0, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xb0c}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x20}, 0x4000040) (async)

16:35:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)=ANY=[@ANYBLOB="14003ad9", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0)

16:35:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000380)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="20202bbd7000ffdbdf25050000000c000200a00900ea000000000e0002000200000000000000bb991416f703f752e7bbcf2d4645649394277994c0915447ed49bb586f6ba94364c7273897b9065aa74a22fcdbc6ebe2511624124ade75950ac01e1a497d24bd3bfa7d9ce8e31575bf39aff7dcabf60f932110b2aeb9acb7026329c828ae20020579b1ed34bd5f750ddb9b01cf3cc430a7f63c399a242c65b0303dbe84a619dededef39f62b65fe33c89719188b2be5122a8ea28940663793fde7ab50ac754f3b68d5922e8e2740492f3a8cd"], 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000140)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x40000800}, 0x20004800) (async)
r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x800, 0x0)
ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x80000001}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r4=>0xffffffffffffffff}) (async)
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, 0x0)
r6 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r6, 0x4008af30, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
r8 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r8, 0x4008af30, 0x0) (async)
ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r5, 0xc018937b, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r9=>r7, {0xee01, 0xee00}}, './file0\x00'}) (async)
r10 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r10, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={0x9c, r2, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r10}]}]}, 0x9c}}, 0x0)

16:35:57 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_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r3, 0x10, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

16:35:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8f33}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x20004000) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x2c, 0x0, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x2c}}, 0x0)

16:35:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$KDGKBENT(0xffffffffffffffff, 0x4b46, &(0x7f0000000040)={0x3, 0x3f})
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x200480, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x60, r5, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}]}, 0x60}, 0x1, 0x0, 0x0, 0x24000880}, 0x81)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0)
ioctl$TCSBRK(r3, 0x5409, 0x7f)

16:35:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x2c, 0x0, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x2c}}, 0x0)

16:35:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff}, './file0\x00'})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r1, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0x4}, 0x8010)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x009&E'], 0x4c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r6, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

16:35:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r3, 0x10, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x1)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r3, 0x10, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80000000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)

16:35:58 executing program 4:
getresuid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
getresuid(&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0)

16:35:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8f33}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x20004000) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x2c, 0x0, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x2c}}, 0x0)

16:35:58 executing program 5:
sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @private0={0xfc, 0x0, '\x00', 0x1}}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x40}, 0x0)
r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000100)={r0, 0x3})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r2, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x2}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x7}, @L2TP_ATTR_UDP_CSUM={0x5, 0xd, 0x1}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xff}, @L2TP_ATTR_SESSION_ID={0x8, 0xb, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0x6}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0x80000001}, @L2TP_ATTR_SESSION_ID={0x8, 0xb, 0x1}, @L2TP_ATTR_MRU={0x6, 0x1d, 0x2}]}, 0x70}, 0x1, 0x0, 0x0, 0x2000c841}, 0x20000010)

16:35:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff}, './file0\x00'})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r1, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0x4}, 0x8010)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x009&E'], 0x4c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r6, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r1, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0x4}, 0x8010) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x009&E'], 0x4c}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r6, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

16:35:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$KDGKBENT(0xffffffffffffffff, 0x4b46, &(0x7f0000000040)={0x3, 0x3f})
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x200480, 0x0)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x60, r5, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}]}, 0x60}, 0x1, 0x0, 0x0, 0x24000880}, 0x81)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0)
ioctl$TCSBRK(r3, 0x5409, 0x7f)
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$nbd(&(0x7f00000005c0), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0) (async)
ioctl$KDGKBENT(0xffffffffffffffff, 0x4b46, &(0x7f0000000040)={0x3, 0x3f}) (async)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) (async)
openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x200480, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x60, r5, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}]}, 0x60}, 0x1, 0x0, 0x0, 0x24000880}, 0x81) (async)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0) (async)
ioctl$TCSBRK(r3, 0x5409, 0x7f) (async)

16:35:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000004}, 0xc004)

16:35:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r2, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:58 executing program 5:
sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @private0={0xfc, 0x0, '\x00', 0x1}}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async)
r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000100)={r0, 0x3}) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r2, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x2}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x7}, @L2TP_ATTR_UDP_CSUM={0x5, 0xd, 0x1}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xff}, @L2TP_ATTR_SESSION_ID={0x8, 0xb, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0x6}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0x80000001}, @L2TP_ATTR_SESSION_ID={0x8, 0xb, 0x1}, @L2TP_ATTR_MRU={0x6, 0x1d, 0x2}]}, 0x70}, 0x1, 0x0, 0x0, 0x2000c841}, 0x20000010)

16:35:58 executing program 4:
getresuid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)) (async, rerun: 64)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
getresuid(&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180)) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (rerun: 64)

16:35:58 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async, rerun: 32)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000004}, 0xc004) (rerun: 32)

16:35:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$KDGKBENT(0xffffffffffffffff, 0x4b46, &(0x7f0000000040)={0x3, 0x3f}) (async)
r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) (async, rerun: 64)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200010}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async, rerun: 32)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) (async, rerun: 32)
r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000100), 0x200480, 0x0) (async)
r7 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r7, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x60, r5, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}]}, 0x60}, 0x1, 0x0, 0x0, 0x24000880}, 0x81) (async)
ioctl$PIO_FONTX(r3, 0x4b6c, 0x0) (async)
ioctl$TCSBRK(r3, 0x5409, 0x7f)

16:35:58 executing program 5:
sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x8, 0x70bd2c, 0x25dfdbfe, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @private0={0xfc, 0x0, '\x00', 0x1}}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}, @L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async)
r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000100)={r0, 0x3}) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0xfffffffffffffffe, 0x64, &(0x7f0000000440)={&(0x7f0000000340)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, r2, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x2}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x7}, @L2TP_ATTR_UDP_CSUM={0x5, 0xd, 0x1}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xff}, @L2TP_ATTR_SESSION_ID={0x8, 0xb, 0x1}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0x6}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0x80000001}, @L2TP_ATTR_SESSION_ID={0x8, 0xb, 0x1}, @L2TP_ATTR_MRU={0x6, 0x1d, 0x2}]}, 0x70}, 0x1, 0x0, 0x0, 0x2000c841}, 0x20000010)

16:35:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r2, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="040000000000000086843f42c786f4314e2f402e40d253518308e9abd25e26cec82536913d94065b234d9647b09dcafda75b7c0001889ebccdcedfa60dcfc8c2ec7ed410c6e1c9ebb4a28c6c3938c3190b6234a95b5c908017e0ce974b72284760b7794f19c8f5ff94cd0651eceb2f56d460bbe65512313caf5e63f6f1723c6eca0f3090438f09d39cf70ff283ec0b983a3a918489ffe03dfe85af20ccbf8b06a6113d90b25592b3674dbdafb6e650107a50be88b41e02cd9ecbd7732f9c5412de6e146d89d950"], 0x14}, 0x1, 0x0, 0x0, 0x4008800}, 0x0)

16:35:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, <r2=>0xffffffffffffffff}, './file0\x00'})
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0)
r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00')
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r1, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0x4}, 0x8010)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x009&E'], 0x4c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r6, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r3, 0x4008af30, 0x0) (async)
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='net/udp\x00') (async)
ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x74, r1, 0x20, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0x4}, 0x8010) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x009&E'], 0x4c}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r6, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

16:35:58 executing program 4:
getresuid(&(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
getresuid(&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180)) (async, rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x3c, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x3c}}, 0x0) (rerun: 64)

16:35:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r2, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="040000000000000086843f42c786f4314e2f402e40d253518308e9abd25e26cec82536913d94065b234d9647b09dcafda75b7c0001889ebccdcedfa60dcfc8c2ec7ed410c6e1c9ebb4a28c6c3938c3190b6234a95b5c908017e0ce974b72284760b7794f19c8f5ff94cd0651eceb2f56d460bbe65512313caf5e63f6f1723c6eca0f3090438f09d39cf70ff283ec0b983a3a918489ffe03dfe85af20ccbf8b06a6113d90b25592b3674dbdafb6e650107a50be88b41e02cd9ecbd7732f9c5412de6e146d89d950"], 0x14}, 0x1, 0x0, 0x0, 0x4008800}, 0x0)

16:35:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="040000000000000086843f42c786f4314e2f402e40d253518308e9abd25e26cec82536913d94065b234d9647b09dcafda75b7c0001889ebccdcedfa60dcfc8c2ec7ed410c6e1c9ebb4a28c6c3938c3190b6234a95b5c908017e0ce974b72284760b7794f19c8f5ff94cd0651eceb2f56d460bbe65512313caf5e63f6f1723c6eca0f3090438f09d39cf70ff283ec0b983a3a918489ffe03dfe85af20ccbf8b06a6113d90b25592b3674dbdafb6e650107a50be88b41e02cd9ecbd7732f9c5412de6e146d89d950"], 0x14}, 0x1, 0x0, 0x0, 0x4008800}, 0x0)

16:35:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x10}, 0x40)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="040028bd7000fbdbdf25020000000800010000000000080001000000000008000100000000000c0006000200000000ffeb000c0006000300000000000000"], 0x44}, 0x1, 0x0, 0x0, 0x4044000}, 0x44040)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000050}, 0x48000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

16:35:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000004}, 0x0)

16:35:59 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$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x24, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r2, 0x2, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000004}, 0xc004)

16:35:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0xfffffffffffffffe, 0x0, &(0x7f0000000440)={&(0x7f0000000000)={0x2c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x2c}}, 0x0)

16:35:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
clock_getres(0x0, &(0x7f0000000040))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)
ioctl$TIOCSIG(0xffffffffffffffff, 0x40045436, 0x2d)

16:35:59 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r2, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000004}, 0x0)

16:35:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x10}, 0x40) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="040028bd7000fbdbdf25020000000800010000000000080001000000000008000100000000000c0006000200000000ffeb000c0006000300000000000000"], 0x44}, 0x1, 0x0, 0x0, 0x4044000}, 0x44040)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r3, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x895}, 0x20000000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r3, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000050}, 0x48000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)={0x30, r4, 0x937, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000011}, 0x0)

[ 1930.213563] refcount_t: underflow; use-after-free.
[ 1930.228484] ------------[ cut here ]------------
[ 1930.233266] WARNING: CPU: 0 PID: 8334 at lib/refcount.c:281 refcount_dec_not_one.cold+0x18/0x25
[ 1930.242097] Kernel panic - not syncing: panic_on_warn set ...
[ 1930.242097] 
[ 1930.249452] CPU: 0 PID: 8334 Comm: systemd-udevd Not tainted 4.14.261-syzkaller #0
[ 1930.257150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1930.266496] Call Trace:
[ 1930.269080]  dump_stack+0x1b2/0x281
[ 1930.272704]  panic+0x1f9/0x42d
[ 1930.275896]  ? add_taint.cold+0x16/0x16
[ 1930.279872]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1930.284801]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1930.289721]  __warn.cold+0x20/0x44
[ 1930.293256]  ? ist_end_non_atomic+0x10/0x10
[ 1930.297572]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1930.302502]  report_bug+0x208/0x250
[ 1930.306127]  do_error_trap+0x195/0x2d0
[ 1930.310007]  ? math_error+0x2d0/0x2d0
[ 1930.313805]  ? ___preempt_schedule+0x16/0x18
[ 1930.318215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 1930.323064]  invalid_op+0x1b/0x40
[ 1930.326515] RIP: 0010:refcount_dec_not_one.cold+0x18/0x25
[ 1930.332045] RSP: 0018:ffff88807f6c7c38 EFLAGS: 00010286
[ 1930.337412] RAX: 0000000000000026 RBX: 0000000000000000 RCX: 0000000000000000
[ 1930.344673] RDX: 0000000000000000 RSI: ffffffff878bbcc0 RDI: ffffed100fed8f7d
[ 1930.351932] RBP: ffff8880a924c698 R08: 0000000000000026 R09: 0000000000000000
[ 1930.359193] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
[ 1930.366455] R13: 0000000000000000 R14: ffffed100e8d573e R15: ffff8880a924c6a8
[ 1930.373745]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1930.378671]  ? trace_hardirqs_on_caller+0x3a8/0x580
[ 1930.383689]  refcount_dec_and_mutex_lock+0x1a/0x60
[ 1930.388618]  nbd_config_put+0x506/0x810
[ 1930.392596]  nbd_release+0xdf/0x150
[ 1930.397904]  ? nbd_queue_rq+0xc50/0xc50
[ 1930.401877]  __blkdev_put+0x5aa/0x800
[ 1930.405681]  ? revalidate_disk+0x1f0/0x1f0
[ 1930.409910]  ? locks_remove_file+0x2cd/0x420
[ 1930.414312]  ? blkdev_put+0x75/0x4c0
[ 1930.418024]  ? blkdev_put+0x4c0/0x4c0
[ 1930.421832]  blkdev_close+0x86/0xb0
[ 1930.425457]  __fput+0x25f/0x7a0
[ 1930.428736]  task_work_run+0x11f/0x190
[ 1930.432624]  exit_to_usermode_loop+0x1ad/0x200
[ 1930.437206]  do_syscall_64+0x4a3/0x640
[ 1930.441091]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1930.446271] RIP: 0033:0x7f7b35cc0270
[ 1930.449971] RSP: 002b:00007ffe62fe9898 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 1930.457672] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f7b35cc0270
[ 1930.464934] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007
[ 1930.472198] RBP: 00007f7b36b7a710 R08: 000000000000004a R09: 0000000000000008
[ 1930.479461] R10: 0000557d8d081a98 R11: 0000000000000246 R12: 0000000000000000
[ 1930.486727] R13: 0000557d8d06e5f0 R14: 0000000000000003 R15: 000000000000000e
[ 1930.494363] Kernel Offset: disabled
[ 1930.498056] Rebooting in 86400 seconds..