f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:43 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:43 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:43 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x0)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:44 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:44 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:44 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:44 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:45 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2869.803423] nbd: must specify a size in bytes for the device
20:04:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:45 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

[ 2869.929944] nbd: must specify a size in bytes for the device
20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2870.046870] nbd: must specify a size in bytes for the device
20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:45 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:45 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:45 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2870.660286] nbd: must specify at least one socket
20:04:46 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

[ 2870.759564] nbd: must specify at least one socket
20:04:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2870.919763] nbd: must specify at least one socket
20:04:46 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2871.022977] nla_parse: 58 callbacks suppressed
[ 2871.022987] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

[ 2871.095220] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:04:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x3c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2871.150809] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:04:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2871.225185] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:04:46 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:46 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2871.430860] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:04:46 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

20:04:46 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:46 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

[ 2871.569077] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:04:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2871.720106] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2871.778681] nbd: must specify a size in bytes for the device
20:04:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2871.831266] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:04:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2871.939279] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2872.012874] nbd: must specify a size in bytes for the device
20:04:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2872.064976] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:04:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2872.182934] nbd: must specify a size in bytes for the device
20:04:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:47 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:47 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:47 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:47 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x4048850)

20:04:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x4048850)

20:04:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x4048850)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2873.019736] nbd: must specify at least one socket
20:04:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x4048850)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2873.216571] nbd: must specify at least one socket
20:04:48 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x4048850)

20:04:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x4048850)

20:04:48 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:48 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:48 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:48 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

20:04:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:49 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

20:04:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:49 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:49 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:49 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:49 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2874.409672] nbd: must specify a size in bytes for the device
20:04:49 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:49 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:50 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2874.664124] nbd: must specify a size in bytes for the device
20:04:50 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:50 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

[ 2874.791231] nbd: must specify a size in bytes for the device
20:04:50 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2874.867125] nbd: must specify a size in bytes for the device
[ 2874.873012] nbd: must specify a size in bytes for the device
20:04:50 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x4048850)

20:04:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:50 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2875.080037] nbd: must specify a size in bytes for the device
20:04:50 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:50 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x4048850)

20:04:50 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2875.199896] nbd: must specify a size in bytes for the device
20:04:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x4048850)

20:04:50 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:50 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:50 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x4048850)

[ 2875.600716] nbd: must specify a size in bytes for the device
20:04:51 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x4048850)

20:04:51 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.062691] nla_parse: 25 callbacks suppressed
[ 2876.062700] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:04:51 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x4048850)

20:04:51 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.105755] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:51 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x4048850)

20:04:51 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.261860] nbd: must specify at least one socket
20:04:51 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.329766] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2876.422850] nbd: must specify at least one socket
20:04:51 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.445512] nbd: must specify at least one socket
20:04:51 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:51 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x4048850)

20:04:51 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:51 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.538985] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.597738] nbd: must specify at least one socket
[ 2876.605029] nbd: must specify at least one socket
20:04:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x4048850)

20:04:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.712004] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2876.759408] nbd: must specify at least one socket
20:04:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

20:04:52 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2876.886111] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:52 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2877.004735] nbd: must specify at least one socket
20:04:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2877.093613] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2877.137482] nbd: must specify a size in bytes for the device
[ 2877.162004] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:04:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2877.188901] nbd: must specify at least one socket
20:04:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2877.267137] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2877.301650] nbd: must specify a size in bytes for the device
20:04:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2877.314115] nbd: must specify at least one socket
20:04:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2877.339245] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:04:52 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2877.416068] nbd: must specify a size in bytes for the device
20:04:52 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:52 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:52 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2877.515013] nbd: must specify at least one socket
20:04:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2877.634843] nbd: must specify at least one socket
20:04:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2877.725815] nbd: must specify at least one socket
20:04:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:04:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x4048850)

[ 2878.199405] nbd: must specify at least one socket
20:04:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:53 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x4c}}, 0x0)

20:04:53 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:53 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:53 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

[ 2878.351591] nbd: must specify at least one socket
[ 2878.369316] nbd: must specify at least one socket
20:04:53 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:53 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x4c}}, 0x0)

20:04:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2878.720775] nbd: must specify at least one socket
20:04:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x4c}}, 0x0)

20:04:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x4c}}, 0x0)

20:04:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

20:04:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:54 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:54 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:54 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:54 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

20:04:55 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2880.171840] nbd: must specify at least one socket
20:04:55 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2880.331415] nbd: must specify at least one socket
20:04:55 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:55 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

[ 2880.369799] nbd: must specify at least one socket
20:04:55 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:55 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:55 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:55 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:55 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:56 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:56 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

[ 2881.092904] nla_parse: 23 callbacks suppressed
[ 2881.092914] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:04:56 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:56 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

[ 2881.477596] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:04:56 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:56 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2881.698094] nbd: must specify a size in bytes for the device
20:04:57 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

[ 2881.791303] nbd: must specify a size in bytes for the device
[ 2881.824505] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:04:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2882.136162] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:04:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

[ 2882.246041] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:04:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2882.394469] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:57 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

[ 2882.805912] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:04:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0}, 0x0)

20:04:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0}, 0x0)

20:04:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:58 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x24, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2883.523690] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:04:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0}, 0x0)

20:04:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:59 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x0)

20:04:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2883.777449] nbd: must specify at least one socket
20:04:59 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0}, 0x0)

20:04:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2883.863963] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:59 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x0)

20:04:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0}, 0x0)

20:04:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x4048850)

[ 2884.058471] nbd: must specify at least one socket
20:04:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:04:59 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x0)

[ 2884.125604] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:04:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0}, 0x0)

20:04:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:04:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2884.300498] nbd: must specify at least one socket
20:04:59 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:04:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x0)

20:04:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:04:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x0)

[ 2884.496817] nbd: must specify at least one socket
20:04:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x0)

20:04:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:04:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:05:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2884.591554] nbd: must specify a size in bytes for the device
20:05:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x0)

20:05:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x4048850)

20:05:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x3c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x3c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0)

20:05:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}}, 0x4048850)

20:05:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0)

[ 2885.354924] nbd: must specify a size in bytes for the device
20:05:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:00 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x40}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0)

[ 2885.578161] nbd: must specify a size in bytes for the device
20:05:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0)

20:05:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

20:05:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:05:01 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x48}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0)

[ 2885.895935] nbd: must specify a size in bytes for the device
20:05:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

20:05:01 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

20:05:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0)

20:05:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}}, 0x4048850)

[ 2886.122723] nla_parse: 18 callbacks suppressed
[ 2886.122733] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

20:05:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

[ 2886.185923] nbd: must specify a size in bytes for the device
20:05:01 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2886.262086] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:05:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

20:05:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

[ 2886.357933] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:01 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

20:05:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="140000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2886.426476] nbd: must specify at least one socket
20:05:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2886.564010] nbd: nbd1 already in use
20:05:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

[ 2886.600544] nbd: must specify at least one socket
20:05:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

20:05:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

20:05:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2886.685809] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2886.746658] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2886.812315] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:05:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1400", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2886.873944] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:05:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

20:05:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

20:05:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2887.072287] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2887.089887] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

20:05:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2887.181746] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:05:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

20:05:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1400", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}}, 0x4048850)

20:05:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}}, 0x4048850)

20:05:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0)

20:05:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0)

20:05:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0)

[ 2887.889502] nbd: must specify at least one socket
20:05:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0)

[ 2888.049843] nbd: must specify at least one socket
20:05:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0)

20:05:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2888.072747] nbd: must specify a size in bytes for the device
20:05:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0)

20:05:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0)

20:05:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="140000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = socket(0x26, 0x6, 0x3f)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000480), 0x509940, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r1, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8005}, 0x20008001)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
socketpair(0x0, 0x800, 0x22ac, &(0x7f0000000080)={0xffffffffffffffff, <r7=>0xffffffffffffffff})
r8 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r8, 0x0)
sendmsg$nl_route(r8, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=@ipv4_delroute={0x48, 0x19, 0x800, 0x70bd26, 0x25dfdbfb, {0x2, 0x10, 0x80, 0x8, 0x0, 0x1, 0xff, 0x0, 0x1800}, [@RTA_IIF={0x8}, @RTA_ENCAP={0x1c, 0x16, 0x0, 0x1, @LWT_BPF_XMIT={0x18, 0x3, 0x0, 0x1, @LWT_BPF_PROG_NAME={0x14, 0x2, '/dev/input/mice\x00'}}}, @RTA_UID={0x8, 0x19, 0xee00}]}, 0x48}, 0x1, 0x0, 0x0, 0x8001}, 0x810)
r9 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r9, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
r10 = openat$mice(0xffffffffffffff9c, &(0x7f0000000100), 0x210000)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x634a1e4961f784ad}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0xc0, r2, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xaf0a000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '!'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4}, 0x8000000)

[ 2888.549145] nbd: must specify a size in bytes for the device
20:05:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

[ 2888.594267] nbd: must specify at least one socket
20:05:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1400", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160"], 0x14}}, 0x0)

20:05:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160"], 0x14}}, 0x0)

20:05:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160"], 0x14}}, 0x0)

20:05:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca731"], 0x14}}, 0x0)

20:05:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca731"], 0x14}}, 0x0)

20:05:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160"], 0x14}}, 0x0)

20:05:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:05:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca731"], 0x14}}, 0x0)

20:05:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}}, 0x4048850)

20:05:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade"], 0x14}}, 0x0)

20:05:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca731"], 0x14}}, 0x0)

20:05:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}}, 0x4048850)

20:05:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:05 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160"], 0x14}}, 0x0)

20:05:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade"], 0x14}}, 0x0)

20:05:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade"], 0x14}}, 0x0)

20:05:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160"], 0x14}}, 0x0)

20:05:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160"], 0x14}}, 0x0)

20:05:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca731"], 0x14}}, 0x0)

20:05:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca731"], 0x14}}, 0x0)

20:05:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca731"], 0x14}}, 0x0)

20:05:05 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade"], 0x14}}, 0x0)

20:05:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade"], 0x14}}, 0x0)

20:05:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e86618"], 0x14}}, 0x0)

20:05:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e86618"], 0x14}}, 0x0)

20:05:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB], 0x14}}, 0x0)

20:05:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c9"], 0x14}}, 0x0)

20:05:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1], 0x14}}, 0x0)

20:05:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB], 0x14}}, 0x0)

20:05:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB], 0x14}}, 0x0)

20:05:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB], 0x14}}, 0x0)

20:05:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}}, 0x0)

[ 2891.143317] nla_parse: 109 callbacks suppressed
[ 2891.143327] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2891.164996] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)

20:05:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}}, 0x0)

[ 2891.282735] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
[ 2891.321105] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:05:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1], 0x14}}, 0x0)

[ 2891.428390] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}}, 0x0)

[ 2891.482621] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}}, 0x4048850)

20:05:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0, 0x14}}, 0x0)

20:05:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0, 0x14}}, 0x0)

[ 2891.572058] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2891.598296] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0, 0x14}}, 0x0)

20:05:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2891.662051] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2891.688282] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

20:05:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

20:05:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

20:05:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

20:05:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

20:05:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

20:05:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

20:05:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}}, 0x4048850)

20:05:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}}, 0x4048850)

20:05:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
r5 = openat$mice(0xffffffffffffff9c, &(0x7f0000000080), 0x20000)
r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x14002)
r7 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100), 0x114400, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x94, r2, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffe}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20}]}, 0x94}, 0x1, 0x0, 0x0, 0x8010}, 0x4)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2893.459615] nbd: must specify at least one socket
20:05:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 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$nbd(&(0x7f0000000580), r0)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x260600, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000001d06004d020000003d9d1ec52ec9a90a341efc987bbf756b726e433a090940556600c7b8b76226e2e730071d847079c1baabd4e93d3278676c3ca04d1e18800c996828389d3de722250700"], 0x14}}, 0x0)

20:05:09 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$nbd(&(0x7f0000000580), r0)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x260600, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000001d06004d020000003d9d1ec52ec9a90a341efc987bbf756b726e433a090940556600c7b8b76226e2e730071d847079c1baabd4e93d3278676c3ca04d1e18800c996828389d3de722250700"], 0x14}}, 0x0)

20:05:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2894.072298] nbd: must specify an index to disconnect
20:05:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 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$nbd(&(0x7f0000000580), r0)
openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x260600, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000001d06004d020000003d9d1ec52ec9a90a341efc987bbf756b726e433a090940556600c7b8b76226e2e730071d847079c1baabd4e93d3278676c3ca04d1e18800c996828389d3de722250700"], 0x14}}, 0x0)

20:05:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={<r7=>0xffffffffffffffff})
r8 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r8, 0x0)
openat$mice(0xffffffffffffff9c, &(0x7f00000001c0), 0x200002)
r9 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r9, 0x0)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x58, r4, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r6}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, ':#$-$'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x10001}, 0x20004890)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r2, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8972}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}]}, 0x3c}, 0x1, 0x0, 0x0, 0xbdd2b1fb93be503e}, 0x4)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2894.218979] nbd: must specify an index to disconnect
20:05:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2894.474775] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
20:05:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:10 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000000000000000006608222b5f71231c49cfd1c9cb1c92b2f8137cede0fa9f94"], 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), 0xffffffffffffffff)
openat$pfkey(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r6, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(r6, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x4, 0x70bd2d, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x5000}, 0x20008880)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r4, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x24004800}, 0x4000004)

20:05:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2895.392522] nbd: couldn't find a device at index 2
20:05:10 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:10 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="5c0b5beddc979ed3a6488d23a8173f11133025c3f95b459caf90da6973b88aa7c8208e9ea0eae66380ad55ef40613e4360de3eeddc664d02b7a4ea9e06d8d83c20aea2c84987fd6358b6fa1fc362ad8328e42d6941129759a4a3fc83797f0462"], 0x14}}, 0x0)

20:05:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 1:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r0, 0x0)
setsockopt$CAN_RAW_FILTER(r0, 0x65, 0x1, &(0x7f0000000000), 0x0)
r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040), 0x200000, 0x0)
ioctl$TUNSETQUEUE(r1, 0x400454d9, &(0x7f0000000080)={'ip6gretap0\x00', 0x200})
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01060000000000000000030000000800020000000000"], 0x1c}}, 0x0)
r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x4000)
ioctl$TUNGETFILTER(r3, 0x801054db, &(0x7f0000000100)=""/220)

20:05:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
r5 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x401)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
r7 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r7, 0x0)
r8 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r8, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1080080}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r3, 0x20, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x44001}, 0x40)

20:05:11 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2896.151696] nla_parse: 135 callbacks suppressed
[ 2896.151706] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2896.178562] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:05:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2896.254155] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2896.287927] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2896.434434] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2896.458456] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
20:05:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2896.529856] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2896.550076] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:12 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2896.642426] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2896.680300] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
20:05:12 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040))
r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
r3 = syz_open_pts(r2, 0x0)
r4 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r4, 0x40345410, &(0x7f0000000780))
r5 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
r7 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000180), 0x5c1001, 0x0)
ioctl$TIOCSTI(r7, 0x5412, &(0x7f0000000200)=0x7f)
write$6lowpan_control(r6, &(0x7f0000000080)='disconnect aa:aa:aa:aa:aa:11 1', 0x1e)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r5, 0x40345410, &(0x7f0000000780))
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4020d9fd92000000", @ANYRES16=r1, @ANYBLOB="000129bd7000ffdbdf25010000002400078008000100", @ANYRES32=r5, @ANYRES64=r5, @ANYRES32, @ANYBLOB="0800010067275837c42c0a9ae6cb46be9f6d146aa443cd81ca506e4fc26f84c970c852943496430ae0d2bd019cbd941a24e64279a95187f896c7a8ae", @ANYRESHEX=r4, @ANYRESOCT=r3, @ANYRES32=r3, @ANYBLOB='\b\x00\n\x00nbd\x00'], 0x40}, 0x1, 0x0, 0x0, 0x20042050}, 0x850)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000140)=ANY=[@ANYBLOB="14321cea8d000000c2d63d1330c1e7edc079562952be03", @ANYRES16=r1, @ANYBLOB="0100"/12], 0x14}}, 0x0)

20:05:12 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_genetlink_get_family_id$wireguard(&(0x7f00000007c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000200)=ANY=[@ANYRES32=r0, @ANYRES64=r1, @ANYRES16=r1], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r3, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '*%'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x4001}, 0x4040800)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000240), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r4, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e22}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44001}, 0x40001)

20:05:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x68}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:12 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040), 0x2002, 0x0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000027bd7000fedbdf25050000000c00020001000000000000000000010000000000", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x54}, 0x1, 0x0, 0x0, 0x8001}, 0x4)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x204, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004014}, 0x80)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)={0x2c, r2, 0x1, 0x20000000, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x7, 0x2, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x2c}}, 0x4081)
getsockopt$CAN_RAW_JOIN_FILTERS(0xffffffffffffffff, 0x65, 0x6, &(0x7f00000002c0), &(0x7f0000000300)=0x4)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="200028bddbdf250300000008000a0009000000b96de2d21529812effffffff0c00080006000000009fbf61550800000000000c000508379879e735fb043b62ae93b796ece3701c2b116363ce0d3b2660cebde861fd402c7f2dafc19e632671836385663890e3934cb3de08170b82dc5db6616a000000"], 0x4c}, 0x1, 0x0, 0x0, 0x4000}, 0x40)

20:05:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2898.119510] nbd: couldn't find a device at index 0
20:05:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080))
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 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$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=ANY=[@ANYBLOB="90000000", @ANYRES16=r4, @ANYBLOB="010026bd7000ffdbdf25010000000c00050007000000000000000c000600000000000000000006000a002d5d00000c00040007000000000000000c00050002000000000000000c00020004000000000000001400078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0006f700000000000076964bf92500000c00040001000000000000000c000500000100"], 0x90}, 0x1, 0x0, 0x0, 0x4010010}, 0x4008080)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r6, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x2a, 0x3, 0x400, &(0x7f0000000040)={<r8=>0xffffffffffffffff, <r9=>0xffffffffffffffff})
r10 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r10, 0x0)
r11 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r11, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r12=>0xffffffffffffffff})
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r6, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8}, {0x8}, {0x8, 0x1, r12}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x70}, 0x1, 0x0, 0x0, 0x804}, 0x4801)
ioctl$ifreq_SIOCGIFINDEX_vcan(r9, 0x8933, &(0x7f0000000200)={'vxcan1\x00'})

20:05:13 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x3c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2898.557184] ieee802154 phy0 wpan0: encryption failed: -22
[ 2898.562855] ieee802154 phy1 wpan1: encryption failed: -22
[ 2898.595391] nbd: couldn't find a device at index 4
20:05:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2898.643834] nbd: must specify an index to disconnect
20:05:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
write$tun(0xffffffffffffffff, &(0x7f00000007c0)={@val={0x0, 0x10}, @void, @ipv6=@gre_packet={0xb, 0x6, "3c9345", 0x55b, 0x2f, 0x0, @private2, @mcast2, {[@dstopts={0x32, 0x1, '\x00', [@enc_lim={0x4, 0x1, 0x1}, @jumbo={0xc2, 0x4, 0xaf}]}, @dstopts={0x88, 0x0, '\x00', [@ra={0x5, 0x2, 0xfff9}]}, @fragment={0x5e, 0x0, 0x1f, 0x0, 0x0, 0x1c, 0x68}, @dstopts={0x3c, 0x1c, '\x00', [@ra={0x5, 0x2, 0x1}, @generic={0x6, 0xa3, "5076169ea9837d9d361bf0f5dfa97dfb51ef30f1fc3927cdd50294251c0c9c322d6c012d434b965df332aa413478fbd9218f8ca77bf98e0c2bdd8aab6e42f859d42ac64cedd5f5b376f639a2359c008186f8b9ae8f9c90183c0e0edc5737ea908ee6e93988404a7b8acc41e9388fd9882c7bb5ba6dd58a409ba213617faa5f7182b26dc084fb6c898f23719ea9f2dc527cea632f8f4375147a57442b91d5cbb895d620"}, @enc_lim, @calipso={0x7, 0x38, {0x1, 0xc, 0x7, 0x8001, [0x80, 0x43, 0x0, 0xc77, 0x30f, 0x3f]}}]}, @routing={0x3a, 0x6, 0x2, 0x2, 0x0, [@private2={0xfc, 0x2, '\x00', 0xff}, @dev={0xfe, 0x80, '\x00', 0x44}, @empty]}, @routing={0x6, 0xa, 0x0, 0x7, 0x0, [@ipv4={'\x00', '\xff\xff', @broadcast}, @mcast1, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @local, @private2]}, @hopopts={0x2b, 0x22, '\x00', [@jumbo={0xc2, 0x4, 0x1}, @hao={0xc9, 0x10, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @padn={0x1, 0x4, [0x0, 0x0, 0x0, 0x0]}, @calipso={0x7, 0x20, {0x1, 0x6, 0x20, 0x6, [0xd6a, 0xff, 0x8]}}, @ra, @generic={0x8, 0x89, "95f2e71f0aa4d5c7bf8ea2a57c422fdb04dcf3d7dcc0584d6356dda05abf9bb79d092b61acf80f8265f19f6f59f137c36013ef08e0713586c03eab0c391a86c220e8264642db09d00bca86dcba870b36dd385a1d4078a7b892652b3789a338813185c20ec65dd34955331b12fd8d83cea3063dfd38e58965df914a827a8b5d95a7940d31144c11a2c8"}, @generic={0x3, 0x46, "9bc5116700a9bce4d7c0ed23207c5ad62bdf7c0a66190cbad98ad7390bb5ac2486955bb05f1fd110817dc77ede11be43a22862b6c60355ab6734904097d29f44e0c43d6bcd90"}]}, @srh={0x89, 0x4, 0x4, 0x2, 0x7, 0x18, 0xf975, [@remote, @local]}], {{0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x880b, 0x5d, 0x0, [], "7b34b204bcb891cde08945133c4f17fb388a7cc70cced657fd6bff03b94b04bba64e37748485e8a572ffded7a331b1b801f120f651abe652fda40845ef7f12def8293c9b1f03c04b6133a2d10e1df3089ba30f08353dc5a4b3c29ab8e2"}, {0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [0x6], "8ee7f1b25de77b52788f29b5f7b45c021751ab2de72439e22cb003eb3052316a6adad3c77d826d77ac7b7d9621897c9e90a6af61fed2a58fe06e280e2b85cee36f4bbf7b74d4d9b51003ccc923f4a1cc8f7761e842297f6e1522b420ffb2bdadb24cde5b184ce8c95bc141d09e"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [0xffff, 0x3], "98d75947eb215757da041584d4886af6d99c99d80ed167ace434403e7e7e7353aeac3f7565040890cc900ed7c4293beb7f10f8ff3a089f08491c73ea8bfa984bcdf6fdef83d14041b93efa30bf5a80720f47e230eeaa5ecf79f3ffa999b333813d47a7d5dc82ab411f51371141a1978b9f5b112ff05f15dc"}, {0x8, 0x88be, 0x1, {{0x6, 0x1, 0x50, 0x2, 0x1, 0x2, 0x0, 0x81}}}, {0x8, 0x22eb, 0x4, {{0x2, 0x2, 0x3, 0x1, 0x1, 0x0, 0x1, 0x1f}, 0x2, {0xffffff7f, 0x9, 0x3, 0x19, 0x1, 0x0, 0x2, 0x1, 0x1}}}, {0x8, 0x6558, 0x1, "b7a869c869e9d536ebc35826fcea20bcdcf144404262a743b7d3841f43bbdf203e2ee21f06d7c975af0f7f4ed997f2b86bbcc0284c3728babb1711fa148a295ab7ff171a7f6fc3d3718cf00c0cf57bbe7e1ca58d69df10d336ac9177793c78947997bed1140c27092c200e683f0c978f59a615eb96ae4c51a4e23f9920010f6641755f253654b3adba0bacfd4f6955354c44c0f5e31ddf5cb5215f602d48b03c89db2989aa58c73721303bb564c27257907d5e6c4cc0e97b4352c22e0ed80e7e55bc25abc551b427b362a5774afd054aa1c44f6160b770"}}}}}, 0x587)
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0xe0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0], ""/16, <r2=>0x0, 0x0, 0x0, 0x0, 0x3, 0x5, &(0x7f0000000040)=[0x0, 0x0, 0x0], &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0], <r3=>0x0, 0x8, &(0x7f00000000c0)=[{}], 0x8, 0x10, &(0x7f0000000100), &(0x7f0000000140), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000180)}}, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000600)={<r4=>0xffffffffffffffff})
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000ec0), 0xffffffffffffffff)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000e80)={&(0x7f0000000540), 0xc, &(0x7f0000000e40)={&(0x7f0000000d80)={0x84, r6, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x84}, 0x1, 0x0, 0x0, 0x40000}, 0x2400c081)
r7 = bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0xd, 0xe, &(0x7f0000000400)=@framed={{0x18, 0x0, 0x0, 0x0, 0x401, 0x0, 0x0, 0x0, 0x100}, [@cb_func={0x18, 0xa, 0x4, 0x0, 0x7}, @map_idx_val={0x18, 0x5, 0x6, 0x0, 0xf, 0x0, 0x0, 0x0, 0x6}, @cb_func={0x18, 0x3}, @call={0x85, 0x0, 0x0, 0x44}, @call={0x85, 0x0, 0x0, 0x15}, @map_idx_val={0x18, 0x1, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, @jmp={0x5, 0x0, 0x3, 0x0, 0x9, 0xfffffffffffffff9, 0x8}]}, &(0x7f0000000480)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x1, '\x00', r2, 0xd, 0xffffffffffffffff, 0x8, &(0x7f00000004c0)={0x1, 0x5}, 0x8, 0x10, &(0x7f0000000500)={0x0, 0x10, 0x100, 0x9}, 0x10, r3}, 0x80)
bpf$PROG_LOAD(0x5, &(0x7f0000000740)={0x16, 0x6, &(0x7f0000000300)=ANY=[@ANYBLOB="8520000003000000183b00000100000000000000000000009500af485b7400001839000001ffff000000000000002400"], &(0x7f0000000340)='syzkaller\x00', 0x7, 0x0, 0x0, 0x41000, 0x2, '\x00', r2, 0x1e, 0xffffffffffffffff, 0x8, &(0x7f0000000380)={0x7, 0x3}, 0x8, 0x10, &(0x7f00000003c0)={0x3, 0xf, 0x3ff, 0x40}, 0x10, r3, r7, 0x0, &(0x7f0000000540)}, 0x80)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003f94b2da900020000000000"], 0x1c}}, 0x0)

20:05:14 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:05:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000002000000"], 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

[ 2898.804132] nbd: must specify a device to reconfigure
20:05:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:05:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:05:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x0, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r4, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r4, 0x0)
r5 = socket(0x25, 0x6, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="000225bd7000fcdbdf25030000000c00050000010000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100d1a122d6fa9852e3a7c4f26d4a6572cae8558d7bce243299f813f7b4426a1dcd542eab055d1ae8c609c9ecc9e9e24121be6552e6e8ca440297e1f205ec90f399109be56d30761c9affcf3525d076b1fc62283761628317555df343f77636d01c08916d7c2bc3de37b3a4654185f4d5b181097dc80d24", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c00020001000080000000000c0006000200000000000000080001000000000007000a00212d5b000800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4000}, 0x4008000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
ioctl$TIOCSRS485(r6, 0x542f, &(0x7f0000000240)={0x2, 0x40, 0x10001})

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x0, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2899.351444] nbd: must specify a size in bytes for the device
[ 2899.419572] nbd: must specify an index to disconnect
20:05:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r4, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r4, 0x0)
r5 = socket(0x25, 0x6, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="000225bd7000fcdbdf25030000000c00050000010000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100d1a122d6fa9852e3a7c4f26d4a6572cae8558d7bce243299f813f7b4426a1dcd542eab055d1ae8c609c9ecc9e9e24121be6552e6e8ca440297e1f205ec90f399109be56d30761c9affcf3525d076b1fc62283761628317555df343f77636d01c08916d7c2bc3de37b3a4654185f4d5b181097dc80d24", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c00020001000080000000000c0006000200000000000000080001000000000007000a00212d5b000800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4000}, 0x4008000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
ioctl$TIOCSRS485(r6, 0x542f, &(0x7f0000000240)={0x2, 0x40, 0x10001})

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0x0, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2899.443810] nbd: must specify a size in bytes for the device
20:05:14 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 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, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2899.580213] nbd: must specify a size in bytes for the device
20:05:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2899.627055] nbd: must specify an index to disconnect
20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r4, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r4, 0x0)
r5 = socket(0x25, 0x6, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="000225bd7000fcdbdf25030000000c00050000010000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100d1a122d6fa9852e3a7c4f26d4a6572cae8558d7bce243299f813f7b4426a1dcd542eab055d1ae8c609c9ecc9e9e24121be6552e6e8ca440297e1f205ec90f399109be56d30761c9affcf3525d076b1fc62283761628317555df343f77636d01c08916d7c2bc3de37b3a4654185f4d5b181097dc80d24", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c00020001000080000000000c0006000200000000000000080001000000000007000a00212d5b000800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4000}, 0x4008000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
ioctl$TIOCSRS485(r6, 0x542f, &(0x7f0000000240)={0x2, 0x40, 0x10001})

20:05:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 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, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2899.742321] nbd: must specify an index to disconnect
20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r4, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r4, 0x0)
r5 = socket(0x25, 0x6, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="000225bd7000fcdbdf25030000000c00050000010000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100d1a122d6fa9852e3a7c4f26d4a6572cae8558d7bce243299f813f7b4426a1dcd542eab055d1ae8c609c9ecc9e9e24121be6552e6e8ca440297e1f205ec90f399109be56d30761c9affcf3525d076b1fc62283761628317555df343f77636d01c08916d7c2bc3de37b3a4654185f4d5b181097dc80d24", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c00020001000080000000000c0006000200000000000000080001000000000007000a00212d5b000800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4000}, 0x4008000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)

20:05:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0x0, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:15 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, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x0, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r4, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r4, 0x0)
r5 = socket(0x25, 0x6, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="000225bd7000fcdbdf25030000000c00050000010000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100d1a122d6fa9852e3a7c4f26d4a6572cae8558d7bce243299f813f7b4426a1dcd542eab055d1ae8c609c9ecc9e9e24121be6552e6e8ca440297e1f205ec90f399109be56d30761c9affcf3525d076b1fc62283761628317555df343f77636d01c08916d7c2bc3de37b3a4654185f4d5b181097dc80d24", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c00020001000080000000000c0006000200000000000000080001000000000007000a00212d5b000800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4000}, 0x4008000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)
openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2899.855712] nbd: must specify an index to disconnect
20:05:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r4, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r4, 0x0)
r5 = socket(0x25, 0x6, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="000225bd7000fcdbdf25030000000c00050000010000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100d1a122d6fa9852e3a7c4f26d4a6572cae8558d7bce243299f813f7b4426a1dcd542eab055d1ae8c609c9ecc9e9e24121be6552e6e8ca440297e1f205ec90f399109be56d30761c9affcf3525d076b1fc62283761628317555df343f77636d01c08916d7c2bc3de37b3a4654185f4d5b181097dc80d24", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0c00020001000080000000000c0006000200000000000000080001000000000007000a00212d5b000800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4000}, 0x4008000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

[ 2900.067371] nbd: must specify an index to disconnect
20:05:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r2, 0x0, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r2, 0x0, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, 0x0, 0x101, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

[ 2900.177394] nbd: must specify an index to disconnect
20:05:15 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r3, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r3, 0x0)
r4 = socket(0x25, 0x6, 0x1000)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="000225bd7000fcdbdf25030000000c00050000010000000000003c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100d1a122d6fa9852e3a7c4f26d4a6572cae8558d7bce243299f813f7b4426a1dcd542eab055d1ae8c609c9ecc9e9e24121be6552e6e8ca440297e1f205ec90f399109be56d30761c9affcf3525d076b1fc62283761628317555df343f77636d01c08916d7c2bc3de37b3a4654185f4d5b181097dc80d24", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="0c00020001000080000000000c0006000200000000000000080001000000000007000a00212d5b000800010000000000"], 0x8c}, 0x1, 0x0, 0x0, 0x4000}, 0x4008000)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r2=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

20:05:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r2=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r2, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r2, 0x0)
socket(0x25, 0x6, 0x1000)

20:05:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r2=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:15 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$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r1, 0x101, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 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$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r1, 0x101, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r2, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_pts(r2, 0x0)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:15 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, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100002}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r3, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffffffffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000800)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r4, 0x20, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf48}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5031}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4000000}, 0x840)

20:05:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:15 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r1, 0x101, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r2, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

20:05:15 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, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 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$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r1, 0x101, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

[ 2900.552840] netlink: 'syz-executor.4': attribute type 2 has an invalid length.
20:05:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 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, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

[ 2900.638537] nbd: couldn't find a device at index 4
20:05:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r2, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x11}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004044}, 0x4004)

20:05:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:16 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$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
recvfrom$l2tp6(r2, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

20:05:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0000000000f7ff00000000000000a55f7b1227c95b346df847b7c0e8661806a4a8dade8ca73160ef"], 0x14}}, 0x0)

20:05:16 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$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

20:05:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r1, 0x101, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

20:05:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r4=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 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$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

20:05:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

[ 2901.080772] nbd: couldn't find a device at index 4
20:05:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, 0x0, 0x101, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5a6}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 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$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r4=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r4=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2901.228508] nla_parse: 107 callbacks suppressed
[ 2901.228517] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2901.268907] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
socketpair(0x1d, 0xa, 0x9, &(0x7f0000000080)={<r4=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

20:05:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

20:05:16 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$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2901.375406] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2901.410651] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2901.477493] nbd: couldn't find a device at index 0
20:05:16 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$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

20:05:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2901.509846] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:17 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$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r1, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

[ 2901.558113] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x8000040)

20:05:17 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

20:05:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x7a00}, 0x0)

20:05:17 executing program 5:
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2001, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

[ 2901.684173] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2901.709903] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:17 executing program 5:
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x20)

20:05:17 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$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
syz_open_pts(r4, 0x610400)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000200)={0x3, &(0x7f0000000180)=[{0xff, 0x0, 0x3f, 0xffffff00}, {0x6, 0x8, 0x5, 0x1}, {0x101, 0x1, 0x1, 0xe542}]})
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x5000000c}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, 0x0, 0x300, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x49}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0xc9d8768b31ed2b05)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2901.783937] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2901.823431] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
20:05:17 executing program 5:
recvfrom$l2tp6(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)

20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x8000040)

[ 2901.895645] netlink: 'syz-executor.1': attribute type 2 has an invalid length.
20:05:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r3, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x50}, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={<r4=>0xffffffffffffffff})
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x38, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}]}, 0x38}}, 0x0)

20:05:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x70, 0x0, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x70}, 0x1, 0x0, 0x0, 0x840}, 0x24004084)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000440)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x44, r1, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6f7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x44}, 0x1, 0x0, 0x0, 0xdc99f77c24c29689}, 0x4040011)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x101400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r3, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0x29, 0x6, 0x33d225cae2c1fecb}, @NBD_ATTR_BACKEND_IDENTIFIER={0xfffffffffffffd1f, 0xa, ']'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffff7f}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS]}, 0x58}, 0x1, 0x0, 0x0, 0x4001}, 0x8040)

20:05:17 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
socketpair(0x2b, 0x80000, 0x4, &(0x7f0000000300)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)={<r6=>0xffffffffffffffff})
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000005c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0xb5a07bb509aaeaa9}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)={0xc8, r1, 0x4, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)={0x20, r1, 0x1, 0x0, 0x40000, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5e5}]}, 0x20}}, 0x80)
r7 = socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_CREATE(r7, &(0x7f0000000440)={&(0x7f00000002c0), 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r8, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_CONN_ID={0x8}]}, 0x30}}, 0x0)
sendmsg$L2TP_CMD_NOOP(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r8, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@L2TP_ATTR_DEBUG={0x8, 0x11, 0x1}, @L2TP_ATTR_UDP_CSUM={0x5}]}, 0x24}}, 0x80)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="b7d62c000000", @ANYRES16=r1, @ANYBLOB="000825bd7000fbdbdf250100000008000a006e62640008000a006e626400"], 0x24}}, 0x10)

20:05:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x8000040)

[ 2902.006980] nbd: couldn't find a device at index 4
[ 2902.024155] nbd: must specify a device to reconfigure
[ 2902.039336] nbd: must specify a device to reconfigure
[ 2902.046767] nbd: couldn't find a device at index 1
20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x8000040)

20:05:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'X@'}]}, 0x74}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:17 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x400000000000000)

20:05:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000500)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000380)={&(0x7f0000000440)={0xa8, r2, 0x102, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x1b, 0xa, ')[$\xb2][-/&\\$.!}-/}-#)]M4'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '(*'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x32d800000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80004}, 0x4000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r4, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f0000000140)={0x1, &(0x7f0000000100)=[{0x7, 0x3f, 0x7, 0x2}]})
sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00@\x00', @ANYRES16=r4, @ANYBLOB="00022dbd7000fddbdf250200000008000100000000000c0004007100000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x2000c001)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
r7 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r7, 0x0)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xb0, r4, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xad6e}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7213a559}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4804}, 0x0)

20:05:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x60000000)

20:05:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2902.263038] nbd: must specify an index to disconnect
20:05:17 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r1, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9540}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffb}]}, 0x74}, 0x1, 0x0, 0x0, 0x4}, 0x1)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000007eb5ada76cb4690b31dd7e947c259df907e7e3e24208003c52e1436f534f439873b1e97f8aa1bcb5abdb57a2c3a7fe425c5f20afc88eb9e7a51494d5060d0e606690861ae65431679622c3846f89ba82294e640c35ed4529ff61379dc43318532fedc0d302569d2569", @ANYRES16=r4, @ANYBLOB="02002abd7000fddbdf2501000000"], 0x14}, 0x1, 0x0, 0x0, 0x8009}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)

20:05:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
r7 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r7, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xc4, r3, 0x1, 0x7f, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xc4}, 0x1, 0x0, 0x0, 0x80}, 0xc1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0xfffffffffffffea6, r1, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8090}, 0x0)

[ 2902.328126] nbd: must specify an index to disconnect
20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:17 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe3a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x300000000000000}, 0x0)

20:05:17 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB='!\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000c0008000700000000000000"], 0x20}}, 0x0)

20:05:17 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x3000000000000}, 0x0)

20:05:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x68000000}, 0x0)

20:05:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x20000000}, 0x0)

20:05:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x5000000}, 0x0)

20:05:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0001000000000000000043e84a05000000"], 0x14}, 0x1, 0x0, 0x0, 0x8845}, 0x0)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff)

20:05:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x0, 0x0, 0x6000000}, 0x0)

20:05:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r3, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x258}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x50}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}]}, 0x6c}, 0x1, 0x0, 0x0, 0x804}, 0x4000000)
sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd2b, 0x25dfdbfe, {}, [@L2TP_ATTR_OFFSET={0x6, 0x3, 0x5}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'ip6gretap0\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x48090}, 0x8000000)

20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x0, 0x0, 0x5000000}, 0x0)

[ 2902.792566] nbd: must specify an index to disconnect
20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x2000}, 0x0)

20:05:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x700}, 0x0)

20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
socket$l2tp(0x2, 0x2, 0x73)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, 0x0, 0x8, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '{'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x58}, 0x1, 0x0, 0x0, 0x884}, 0x20000000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r2, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5448}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000000}, 0x2000c8c1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000080)=ANY=[@ANYBLOB="16000000b800d58472d471276121e734a5d5ffda8821b17df0612555b2f340000000067779884b040cd363b59103d21ded2fc400"/61, @ANYBLOB="f7af6a91a3f3c1fd816e7638578a016c787f1848c79f16c209e4e35d89d5b7e5e1c24b348eab4e3aeb983e11f686bdc0aacb49f063c449bfac687dcd15a54f84a71377a1e8e80f444cd96e", @ANYBLOB="01000000000000000000030000000800020000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

20:05:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, 0x0, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040), 0x42080, 0x0)
r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r1, 0x0)
ioctl$TIOCL_SETSEL(r1, 0x541c, &(0x7f0000000000)={0x2, {0x2, 0x46, 0x3ff, 0x1f, 0x0, 0x10}})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000100)=ANY=[@ANYRESHEX=r0, @ANYRES16=0x0, @ANYBLOB="01dac30000f0ff921a30d57c8cf3c500083b740000008ce1"], 0x1c}}, 0x4000)

20:05:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2903.170234] netlink: 'syz-executor.1': attribute type 2 has an invalid length.
[ 2903.198499] nbd: must specify an index to disconnect
20:05:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x0, 0xffffffff00000000}, 0x0)

20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x2000000000000000}, 0x0)

20:05:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r4, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x400c880)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\xce@\xe5}]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x44005}, 0x400440d0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r5, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)

20:05:18 executing program 1:
r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x42280, 0x0)
ioctl$TIOCGETD(r0, 0x5424, &(0x7f00000000c0))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000005c0)=ANY=[@ANYBLOB='\b\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01000000000098abb7136a2b5f1e9df000f8ff000000"], 0x1c}}, 0x20000000)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x14, 0x0, 0x10, 0x70bd25, 0x25dfdbfc}, 0x14}}, 0x4004000)
syz_open_pts(r5, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, r4, 0x100, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x8080}, 0x4000)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r7 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r7, 0x40345410, &(0x7f0000000780))
r8 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r8, 0x40345410, &(0x7f0000000780)={{0x0, 0x3}})
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00@\x00', @ANYRES16=r1, @ANYBLOB="6100000000000000000005000000", @ANYRES64=r7, @ANYRES64=r7, @ANYBLOB="86639f2f082abcc45646351d369b102daab526eb"], 0x14}, 0x1, 0x0, 0x0, 0x24040000}, 0x0)

[ 2903.321791] netlink: 'syz-executor.1': attribute type 2 has an invalid length.
20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x40030000000000}, 0x0)

20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x60, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2903.483161] nbd: couldn't find a device at index 4
[ 2903.489240] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
20:05:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r4, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x400c880)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\xce@\xe5}]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x44005}, 0x400440d0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r5, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)

20:05:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket(0x2b, 0x1, 0x0)
sendmsg$L2TP_CMD_TUNNEL_MODIFY(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x20044010)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0)
r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000180), r3)
sendmsg$L2TP_CMD_NOOP(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='\\\x00\x00\n', @ANYRES16=r4, @ANYBLOB="04002bbd7000fddbdf25000000000c0010008500000000000000080018006401010214001f00fc0100000000000000000000000000010500140009000000050004000800000005000400020000000500210001000000"], 0x5c}, 0x1, 0x0, 0x0, 0x20000005}, 0x40000)

20:05:18 executing program 5:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r0, 0x0)
ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000080)={0x0, <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000340)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="c80100006d0008002cbd7000fcdbdf2500000000", @ANYRES32=0x0, @ANYBLOB="000d0000040000000800542800358e00000a0002000180c2000003000008000f0001000c1b34e9ba18455091ee46000008001300", @ANYRES32=r1, @ANYBLOB="08000500", @ANYRES32=0x0, @ANYBLOB="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", @ANYRES32=0x0, @ANYBLOB], 0x1c8}, 0x1, 0x0, 0x0, 0x20004004}, 0x40000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:18 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x2c, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

[ 2903.569777] nbd: must specify a size in bytes for the device
20:05:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2903.656195] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
[ 2903.673802] nbd: couldn't find a device at index 4
[ 2903.680077] nbd: must specify a size in bytes for the device
[ 2903.690035] netlink: 'syz-executor.1': attribute type 2 has an invalid length.
20:05:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r4, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x400c880)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\xce@\xe5}]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x44005}, 0x400440d0)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r5, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)

20:05:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x0, 0xffffff7f}, 0x0)

20:05:19 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2903.707303] nbd: must specify a size in bytes for the device
20:05:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x0, 0xf000000}, 0x0)

20:05:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r4, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x400c880)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\xce@\xe5}]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x44005}, 0x400440d0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)

[ 2903.784906] nbd: couldn't find a device at index 4
[ 2903.801382] nbd: must specify a size in bytes for the device
[ 2903.813286] nbd: must specify a size in bytes for the device
[ 2903.830364] nbd: must specify at least one socket
20:05:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:19 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x101}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r3)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r4, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x400c880)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '\xce@\xe5}]'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x44005}, 0x400440d0)

[ 2903.865244] nbd: couldn't find a device at index 4
20:05:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x6c000000}, 0x0)

20:05:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="01000069af9bced2854bc8000000"], 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x78, r1, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}]}, 0x78}, 0x1, 0x0, 0x0, 0x4080}, 0x48010)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, r3, 0x4, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4b}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x45)

20:05:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2903.980599] nbd: must specify at least one socket
[ 2903.998695] nbd: must specify at least one socket
[ 2904.003720] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
20:05:19 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x101}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

[ 2904.047086] nbd: couldn't find a device at index 4
20:05:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r3, 0x2, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x400c880)

20:05:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2904.094568] nbd: couldn't find a device at index -334757888
[ 2904.387854] nbd: couldn't find a device at index -334757888
[ 2904.402688] nbd: couldn't find a device at index 4
20:05:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

20:05:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2904.435146] nbd: must specify at least one socket
20:05:19 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x101}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

[ 2904.505337] nbd: must specify at least one socket
20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2904.580541] nbd: couldn't find a device at index -334757888
[ 2904.596652] nbd: must specify at least one socket
[ 2904.602033] nbd: couldn't find a device at index 4
[ 2904.618929] nbd: must specify at least one socket
20:05:20 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

20:05:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)

20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x8000040)

20:05:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2904.766991] nbd: must specify a size in bytes for the device
20:05:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

20:05:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)

20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2904.915695] nbd: must specify a size in bytes for the device
20:05:20 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$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x18, r2, 0x101, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

20:05:20 executing program 1:
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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 4:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2905.051651] nbd: couldn't find a device at index -334757888
[ 2905.082270] nbd: must specify a size in bytes for the device
20:05:20 executing program 1:
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(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:20 executing program 2:
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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:20 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 4:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2905.217588] nbd: couldn't find a device at index -334757888
[ 2905.235936] nbd: couldn't find a device at index -334757888
20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 4:
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

20:05:20 executing program 2:
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(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:20 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

20:05:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r2, 0x101}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x8000040)

[ 2905.382139] nbd: must specify at least one socket
20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2905.412676] nbd: couldn't find a device at index -334757888
20:05:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x6800}, 0x0)

20:05:20 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

[ 2905.473571] nbd: must specify at least one socket
20:05:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x0, 0x2}, 0x0)

[ 2905.516743] nbd: must specify at least one socket
20:05:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x500}, 0x0)

[ 2905.539531] netlink: 'syz-executor.2': attribute type 2 has an invalid length.
20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2905.616159] nbd: must specify at least one socket
20:05:21 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

20:05:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x300}, 0x0)

20:05:21 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(&(0x7f0000000080), r0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={<r5=>0xffffffffffffffff})
r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000002c0), 0x319ce9f6ff1c238a)
r7 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r7, 0x0)
r8 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r8, 0x0)
socketpair(0x1f, 0x3, 0x4, &(0x7f0000000300)={0xffffffffffffffff, <r9=>0xffffffffffffffff})
r10 = socket(0x2c, 0x5, 0x4)
r11 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r11, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x94, r2, 0x300, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r9}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x1}, 0x82)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x8c, r2, 0x10, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x27}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xff}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4000000}, 0x40000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)

20:05:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2905.653010] netlink: 'syz-executor.2': attribute type 2 has an invalid length.
[ 2905.672734] nbd: couldn't find a device at index -334757888
20:05:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x800)

20:05:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x100000000000000}, 0x0)

[ 2905.713092] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x800)

20:05:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0xfcffffff00000000)

20:05:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2905.825489] nbd: must specify an index to disconnect
20:05:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}}, 0x3f00000000000000)

20:05:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r2=>0xffffffffffffffff})
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000127bd7000ffdbdf25030000000c200800e625f30a000000000c000300ff030000000000000000078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x68}, 0x1, 0x0, 0x0, 0x4000041}, 0x400c002)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x800)

20:05:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r2=>0xffffffffffffffff})
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000127bd7000ffdbdf25030000000c200800e625f30a000000000c000300ff030000000000000000078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x68}, 0x1, 0x0, 0x0, 0x4000041}, 0x400c002)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4014}, 0x800)

20:05:21 executing program 5:
ioctl$TIOCMBIC(0xffffffffffffffff, 0x5417, &(0x7f0000000240)=0x401)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x22, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}]}, 0x20}, 0x1, 0x0, 0x0, 0x40010}, 0x4000040)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x80b0}, 0x8000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

[ 2905.984836] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
[ 2906.021010] netlink: 'syz-executor.2': attribute type 2 has an invalid length.
20:05:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x2000000}, 0x0)

20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x800)

20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000000)

20:05:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2906.128500] nbd: couldn't find a device at index 5
20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000000)

20:05:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2906.198282] nbd: must specify an index to disconnect
20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x1000000}, 0x0)

20:05:21 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r3, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7e}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000c0}, 0x4044000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)=ANY=[@ANYBLOB="b470d190", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0)

[ 2906.245964] nla_parse: 59 callbacks suppressed
[ 2906.245974] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x34000}, 0x0)

20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000000)

20:05:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:21 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$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

[ 2906.329885] nbd: must specify an index to disconnect
20:05:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2906.386695] nbd: couldn't find a device at index 2
20:05:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0xec0}}, 0x0)

[ 2906.431322] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:21 executing program 5:
socketpair(0x2a, 0x6, 0x400, &(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
syz_genetlink_get_family_id$l2tp(&(0x7f0000000140), 0xffffffffffffffff)
openat$pfkey(0xffffffffffffff9c, &(0x7f0000000180), 0x20400, 0x0)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_CREATE(r2, &(0x7f0000000440)={&(0x7f00000002c0), 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_CONN_ID={0x8}]}, 0x30}}, 0x0)
sendmsg$L2TP_CMD_SESSION_MODIFY(r1, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r3, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x4}, @L2TP_ATTR_FD={0x8, 0x17, @udp6=r0}]}, 0x24}, 0x1, 0x0, 0x0, 0x40040}, 0x20000800)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r4)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c0000006a7edc9b4f71f41e0bd9e0e285c19ace999def1f461ca665c1b168a0908a751b90bd7b33e695be7d8ecc2b507628aa96a7656206b26d541716770690bef89af70d9ce9493376994bee60359266fcb3c7f66f992cfa1ea6a6f33e125f28e312c9390a5a29e092c54e9cd242e1f8c48cb3106e74b79ebda3337682d4418cb4b2077d105a575c4ff4", @ANYRES16=r5, @ANYBLOB="01000000000000000000030000000800020000000000"], 0x1c}}, 0x0)
r6 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000280), r6)
r7 = openat$tun(0xffffffffffffff9c, &(0x7f00000002c0), 0x20100, 0x0)
ioctl$TUNSETQUEUE(r7, 0x400454d9, &(0x7f0000000300)={'syz_tun\x00', 0x400})

20:05:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:21 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$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2906.518171] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:22 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$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2906.596290] netlink: 'syz-executor.2': attribute type 2 has an invalid length.
[ 2906.619565] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:22 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$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2906.686690] nbd: must specify at least one socket
20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2906.768568] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:22 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$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x300)

20:05:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2906.975801] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2906.987793] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:22 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$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000cecd698560000"], 0x1c}}, 0x0)

20:05:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r2)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r1, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x1045}, 0x8000)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r3, 0x100, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000000}, 0x40000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

20:05:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2907.045119] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2907.087763] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:22 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2907.167238] nbd: couldn't find a device at index 4
20:05:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2907.195563] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2907.215222] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2907.265921] netlink: 'syz-executor.4': attribute type 2 has an invalid length.
20:05:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400300}, 0x0)

20:05:22 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

20:05:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}, 0x1, 0x2}, 0x0)

20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:22 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

20:05:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2907.429411] nbd: must specify an index to disconnect
20:05:22 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x30000}, 0x0)

20:05:22 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

20:05:22 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2907.461181] netlink: 'syz-executor.5': attribute type 2 has an invalid length.
20:05:22 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1, 0x0, 0xfcffffff}, 0x0)

20:05:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:22 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1, 0x0, 0xfcffffff}, 0x0)

[ 2907.558813] netlink: 'syz-executor.4': attribute type 2 has an invalid length.
20:05:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0xf00}, 0x0)

20:05:23 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

20:05:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2, 0x0, 0x8}}, 0x14}}, 0x0)

20:05:23 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2}, 0x0)

20:05:23 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, 0x0}, 0x0)

20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x21, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}}, 0x4048850)

20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x0, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:23 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0, 0x1c}}, 0x0)

[ 2907.782747] nbd: must specify an index to disconnect
20:05:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2, 0x0, 0x4}}, 0x14}}, 0x0)

20:05:23 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x6c000000)

[ 2907.815961] netlink: 'syz-executor.4': attribute type 2 has an invalid length.
20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x0, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:23 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0, 0x1c}}, 0x0)

20:05:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}}, 0x4048850)

[ 2907.903198] nbd: must specify an index to disconnect
20:05:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1, 0xffffff7f00000000}, 0x0)

20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x0, 0xe12, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

[ 2907.925985] nbd: couldn't find a device at index 4
20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x0, 0xf00}, 0x0)

20:05:23 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={0x0, 0x1c}}, 0x0)

20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {0xa}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x1000000)

20:05:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}}, 0x4048850)

20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x30000)

20:05:23 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2908.145459] nbd: must specify at least one socket
20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r1, 0x21, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:23 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2], 0x1c}}, 0x0)

[ 2908.242923] nbd: must specify at least one socket
[ 2908.251462] nbd: couldn't find a device at index 4
20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x3}, 0x0)

20:05:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x1, 0x400300}, 0x0)

20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}, 0x1, 0x0, 0x0, 0x20000011}, 0x4000000)

20:05:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2], 0x1c}}, 0x0)

20:05:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2908.379743] nbd: must specify at least one socket
20:05:23 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x4000000)

20:05:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2], 0x1c}}, 0x0)

20:05:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x1000000, {0x2}}, 0x14}}, 0x0)

20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0xc0}}, 0x0)

20:05:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1, 0x300}, 0x0)

20:05:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB], 0x1c}}, 0x0)

20:05:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2908.548793] nbd: must specify at least one socket
20:05:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2908.580194] nbd: must specify an index to disconnect
20:05:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1, 0xf}, 0x0)

20:05:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x400300, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB], 0x1c}}, 0x0)

20:05:24 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2908.730030] nbd: must specify at least one socket
20:05:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}, 0x8}, 0x0)

20:05:24 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:24 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB], 0x1c}}, 0x0)

20:05:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1, 0x2}, 0x0)

20:05:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x1c}}, 0x0)

20:05:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5}}, 0x14}, 0x1, 0x2}, 0x0)

20:05:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x6c00, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x3, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:24 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x60)

20:05:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x1c}}, 0x0)

20:05:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {0x3, 0x0, 0xf00}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

[ 2909.065573] nbd: must specify a device to reconfigure
20:05:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2909.103411] nbd: must specify a device to reconfigure
20:05:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x8, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x1c}}, 0x0)

[ 2909.225467] nbd: couldn't find a device at index 4
20:05:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x400300, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x20000000, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x20000000, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x5, 0x2}}, 0x14}}, 0x0)

20:05:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x2000000, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

[ 2909.388359] nbd: must specify an index to disconnect
[ 2909.399845] nbd: must specify a device to reconfigure
20:05:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x7a000000}, 0x0)

20:05:24 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

20:05:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:05:24 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0xf000000, {0x5}}, 0x14}}, 0x0)

20:05:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x68000000, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

[ 2909.520403] nbd: couldn't find a device at index 3
20:05:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0xf, {0x5}}, 0x14}}, 0x0)

20:05:24 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

[ 2909.560641] nbd: couldn't find a device at index 786432
20:05:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x8, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:05:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x400300, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:25 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x200005dc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

20:05:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4048850)

20:05:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7, &(0x7f0000000640)={&(0x7f00000005c0)={0x33fe0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

[ 2909.696590] nbd: couldn't find a device at index 786432
[ 2909.718851] nbd: must specify an index to disconnect
20:05:25 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2909.775716] nbd: must specify a device to reconfigure
20:05:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x74, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x2, 0x0}]}, 0x1c}}, 0x0)

20:05:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x3, 0x0, {0x5}}, 0x14}}, 0x0)

20:05:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd698"], 0x1c}}, 0x0)

[ 2909.818531] nbd: couldn't find a device at index 786432
20:05:25 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0xffffff7f, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x20000000, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x20000000, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

[ 2909.921920] nbd: couldn't find a device at index -334757888
20:05:25 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2909.978448] nbd: must specify an index to disconnect
[ 2910.009208] nbd: must specify an index to disconnect
20:05:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0xc002, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)

20:05:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x8, 0x0, 0x0, {0x5}}, 0x14}}, 0x0)

[ 2910.034215] nbd: must specify an index to disconnect
20:05:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7000000, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:25 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

[ 2910.069489] nbd: couldn't find a device at index 786432
20:05:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x7000000, &(0x7f0000000640)={&(0x7f00000005c0)={0x14, r1, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0)

20:05:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000005c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x7a}, 0x0)

20:05:25 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2910.160180] nbd: must specify an index to disconnect
20:05:25 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0) (fail_nth: 1)

20:05:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

20:05:25 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2910.197668] nbd: couldn't find a device at index 786432
[ 2910.237582] nbd: must specify an index to disconnect
20:05:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 1)

[ 2910.271402] nbd: couldn't find a device at index 4
20:05:25 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (fail_nth: 1)

[ 2910.305851] FAULT_INJECTION: forcing a failure.
[ 2910.305851] name failslab, interval 1, probability 0, space 0, times 0
[ 2910.342179] nbd: couldn't find a device at index 786432
[ 2910.351322] CPU: 1 PID: 13348 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
[ 2910.359230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2910.368586] Call Trace:
[ 2910.371188]  dump_stack+0x1fc/0x2ef
[ 2910.374864]  should_fail.cold+0xa/0xf
[ 2910.378942]  ? setup_fault_attr+0x200/0x200
[ 2910.383269]  ? lock_acquire+0x170/0x3c0
[ 2910.387255]  __should_failslab+0x115/0x180
[ 2910.391500]  should_failslab+0x5/0x10
[ 2910.395309]  kmem_cache_alloc_node+0x245/0x3b0
[ 2910.399907]  __alloc_skb+0x71/0x560
[ 2910.403545]  netlink_sendmsg+0x9f6/0xc50
[ 2910.407613]  ? aa_af_perm+0x230/0x230
[ 2910.411420]  ? nlmsg_notify+0x1f0/0x1f0
[ 2910.415405]  ? kernel_recvmsg+0x220/0x220
[ 2910.419570]  ? nlmsg_notify+0x1f0/0x1f0
[ 2910.423566]  sock_sendmsg+0xc3/0x120
[ 2910.427286]  ___sys_sendmsg+0x7bb/0x8e0
[ 2910.431269]  ? check_preemption_disabled+0x41/0x280
[ 2910.436290]  ? copy_msghdr_from_user+0x440/0x440
[ 2910.441050]  ? __fget+0x32f/0x510
[ 2910.444518]  ? lock_downgrade+0x720/0x720
[ 2910.448672]  ? check_preemption_disabled+0x41/0x280
[ 2910.453705]  ? check_preemption_disabled+0x41/0x280
[ 2910.458726]  ? __fget+0x356/0x510
[ 2910.462360]  ? do_dup2+0x450/0x450
[ 2910.465903]  ? lock_downgrade+0x720/0x720
[ 2910.470056]  ? vfs_write+0x3d7/0x540
[ 2910.473782]  ? __fdget+0x1d0/0x230
[ 2910.477596]  __x64_sys_sendmsg+0x132/0x220
[ 2910.481839]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2910.485908]  ? vfs_write+0x393/0x540
[ 2910.489638]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2910.495008]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2910.500029]  ? do_syscall_64+0x21/0x620
[ 2910.504014]  do_syscall_64+0xf9/0x620
[ 2910.507825]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2910.513121] RIP: 0033:0x7f2f1f31d199
[ 2910.516844] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2910.535747] RSP: 002b:00007f2f1dc92168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2910.543461] RAX: ffffffffffffffda RBX: 00007f2f1f42ff60 RCX: 00007f2f1f31d199
[ 2910.550733] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004
[ 2910.558003] RBP: 00007f2f1dc921d0 R08: 0000000000000000 R09: 0000000000000000
[ 2910.565361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2910.572639] R13: 00007ffeec5d56ff R14: 00007f2f1dc92300 R15: 0000000000022000
[ 2910.595036] FAULT_INJECTION: forcing a failure.
[ 2910.595036] name failslab, interval 1, probability 0, space 0, times 0
20:05:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

20:05:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cecd6"], 0x1c}}, 0x0)

[ 2910.607251] CPU: 1 PID: 13364 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2910.615149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2910.624503] Call Trace:
[ 2910.627094]  dump_stack+0x1fc/0x2ef
[ 2910.630731]  should_fail.cold+0xa/0xf
[ 2910.634544]  ? setup_fault_attr+0x200/0x200
[ 2910.638881]  ? lock_acquire+0x170/0x3c0
[ 2910.642868]  __should_failslab+0x115/0x180
[ 2910.647109]  should_failslab+0x5/0x10
[ 2910.650911]  kmem_cache_alloc_node+0x245/0x3b0
[ 2910.655502]  __alloc_skb+0x71/0x560
[ 2910.659137]  netlink_sendmsg+0x9f6/0xc50
[ 2910.663209]  ? aa_af_perm+0x230/0x230
[ 2910.667012]  ? nlmsg_notify+0x1f0/0x1f0
[ 2910.670994]  ? kernel_recvmsg+0x220/0x220
[ 2910.675154]  ? nlmsg_notify+0x1f0/0x1f0
[ 2910.679569]  sock_sendmsg+0xc3/0x120
[ 2910.683289]  ___sys_sendmsg+0x7bb/0x8e0
[ 2910.687275]  ? check_preemption_disabled+0x41/0x280
[ 2910.692294]  ? copy_msghdr_from_user+0x440/0x440
[ 2910.697059]  ? __fget+0x32f/0x510
[ 2910.700522]  ? lock_downgrade+0x720/0x720
20:05:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x8}, 0x0)

[ 2910.704675]  ? check_preemption_disabled+0x41/0x280
[ 2910.709700]  ? check_preemption_disabled+0x41/0x280
[ 2910.714724]  ? __fget+0x356/0x510
[ 2910.718189]  ? do_dup2+0x450/0x450
[ 2910.721735]  ? lock_downgrade+0x720/0x720
[ 2910.725888]  ? vfs_write+0x3d7/0x540
[ 2910.729610]  ? __fdget+0x1d0/0x230
[ 2910.733160]  __x64_sys_sendmsg+0x132/0x220
[ 2910.737395]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2910.741455]  ? vfs_write+0x393/0x540
[ 2910.745187]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2910.750556]  ? trace_hardirqs_off_caller+0x6e/0x210
20:05:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0) (fail_nth: 2)

[ 2910.755580]  ? do_syscall_64+0x21/0x620
[ 2910.759559]  do_syscall_64+0xf9/0x620
[ 2910.763367]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2910.768554] RIP: 0033:0x7f94918ab199
[ 2910.772271] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2910.791175] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2910.798889] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2910.806160] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2910.813433] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2910.820706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2910.827976] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4080}, 0x0)

20:05:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

[ 2910.882099] nbd: couldn't find a device at index -334757888
[ 2910.931712] FAULT_INJECTION: forcing a failure.
[ 2910.931712] name failslab, interval 1, probability 0, space 0, times 0
[ 2910.968732] CPU: 1 PID: 13382 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
[ 2910.976901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2910.986254] Call Trace:
[ 2910.988852]  dump_stack+0x1fc/0x2ef
[ 2910.992495]  should_fail.cold+0xa/0xf
[ 2910.996304]  ? setup_fault_attr+0x200/0x200
[ 2911.000629]  ? lock_acquire+0x170/0x3c0
[ 2911.004616]  __should_failslab+0x115/0x180
[ 2911.008858]  should_failslab+0x5/0x10
[ 2911.012663]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2911.017781]  __kmalloc_node_track_caller+0x38/0x70
[ 2911.022810]  __alloc_skb+0xae/0x560
[ 2911.026552]  netlink_sendmsg+0x9f6/0xc50
[ 2911.030618]  ? aa_af_perm+0x230/0x230
[ 2911.034435]  ? nlmsg_notify+0x1f0/0x1f0
[ 2911.038408]  ? kernel_recvmsg+0x220/0x220
[ 2911.042556] nbd: couldn't find a device at index -334757888
[ 2911.042569]  ? nlmsg_notify+0x1f0/0x1f0
[ 2911.042587]  sock_sendmsg+0xc3/0x120
[ 2911.055978]  ___sys_sendmsg+0x7bb/0x8e0
[ 2911.059961]  ? check_preemption_disabled+0x41/0x280
[ 2911.064992]  ? copy_msghdr_from_user+0x440/0x440
[ 2911.069757]  ? __fget+0x32f/0x510
[ 2911.073230]  ? lock_downgrade+0x720/0x720
[ 2911.077385]  ? check_preemption_disabled+0x41/0x280
[ 2911.082411]  ? check_preemption_disabled+0x41/0x280
[ 2911.087431]  ? __fget+0x356/0x510
[ 2911.090869]  ? do_dup2+0x450/0x450
[ 2911.094391]  ? lock_downgrade+0x720/0x720
[ 2911.098521]  ? vfs_write+0x3d7/0x540
[ 2911.102217]  ? __fdget+0x1d0/0x230
[ 2911.105743]  __x64_sys_sendmsg+0x132/0x220
[ 2911.109959]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2911.113999]  ? vfs_write+0x393/0x540
[ 2911.117701]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2911.123068]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2911.128081]  ? do_syscall_64+0x21/0x620
[ 2911.132043]  do_syscall_64+0xf9/0x620
[ 2911.135838]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2911.141014] RIP: 0033:0x7f2f1f31d199
[ 2911.144711] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2911.163599] RSP: 002b:00007f2f1dc92168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2911.171294] RAX: ffffffffffffffda RBX: 00007f2f1f42ff60 RCX: 00007f2f1f31d199
20:05:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 2)

20:05:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4080}, 0x0)

20:05:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

20:05:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:26 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0) (fail_nth: 3)

[ 2911.178895] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004
[ 2911.186143] RBP: 00007f2f1dc921d0 R08: 0000000000000000 R09: 0000000000000000
[ 2911.193392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2911.200659] R13: 00007ffeec5d56ff R14: 00007f2f1dc92300 R15: 0000000000022000
20:05:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:26 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4080}, 0x0)

[ 2911.313939] nbd: must specify at least one socket
[ 2911.325776] FAULT_INJECTION: forcing a failure.
[ 2911.325776] name failslab, interval 1, probability 0, space 0, times 0
20:05:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2911.368428] CPU: 1 PID: 13400 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
[ 2911.376458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2911.382855] nbd: couldn't find a device at index 786432
[ 2911.385809] Call Trace:
[ 2911.385833]  dump_stack+0x1fc/0x2ef
[ 2911.385852]  should_fail.cold+0xa/0xf
[ 2911.385870]  ? setup_fault_attr+0x200/0x200
[ 2911.385884]  ? lock_acquire+0x170/0x3c0
[ 2911.385903]  __should_failslab+0x115/0x180
[ 2911.413728]  should_failslab+0x5/0x10
20:05:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

20:05:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, 0x0, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x40080)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000240), 0x8000, 0x0)
ioctl$TIOCGETD(r2, 0x5424, &(0x7f0000000280))
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000225bd7000fddbdf250500000008000100000000000c0003000800000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x8840}, 0x40)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x2000c895}, 0x10010)

[ 2911.417537]  kmem_cache_alloc_node+0x245/0x3b0
[ 2911.422132]  __alloc_skb+0x71/0x560
[ 2911.425777]  netlink_ack+0x27d/0xae0
[ 2911.429496]  ? __radix_tree_lookup+0x216/0x370
[ 2911.431912] FAULT_INJECTION: forcing a failure.
[ 2911.431912] name failslab, interval 1, probability 0, space 0, times 0
[ 2911.434081]  ? netlink_sendmsg+0xc50/0xc50
[ 2911.434106]  netlink_rcv_skb+0x353/0x440
[ 2911.434121]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2911.434134]  ? netlink_ack+0xae0/0xae0
[ 2911.434155]  ? genl_rcv+0x15/0x40
[ 2911.465509]  genl_rcv+0x24/0x40
[ 2911.468798]  netlink_unicast+0x4d5/0x690
[ 2911.472874]  ? netlink_sendskb+0x110/0x110
[ 2911.477117]  ? _copy_from_iter_full+0x229/0x7c0
[ 2911.481798]  ? __phys_addr_symbol+0x2c/0x70
[ 2911.486140]  ? __check_object_size+0x17b/0x3e0
[ 2911.490729]  netlink_sendmsg+0x6c3/0xc50
[ 2911.494797]  ? aa_af_perm+0x230/0x230
[ 2911.498607]  ? nlmsg_notify+0x1f0/0x1f0
[ 2911.502590]  ? kernel_recvmsg+0x220/0x220
[ 2911.506070] nbd: couldn't find a device at index 786432
[ 2911.506749]  ? nlmsg_notify+0x1f0/0x1f0
[ 2911.516074]  sock_sendmsg+0xc3/0x120
[ 2911.519836]  ___sys_sendmsg+0x7bb/0x8e0
[ 2911.523823]  ? check_preemption_disabled+0x41/0x280
[ 2911.528852]  ? copy_msghdr_from_user+0x440/0x440
[ 2911.533617]  ? __fget+0x32f/0x510
[ 2911.537088]  ? lock_downgrade+0x720/0x720
[ 2911.541246]  ? check_preemption_disabled+0x41/0x280
[ 2911.546271]  ? check_preemption_disabled+0x41/0x280
[ 2911.551292]  ? __fget+0x356/0x510
[ 2911.554751]  ? do_dup2+0x450/0x450
[ 2911.558290]  ? lock_downgrade+0x720/0x720
[ 2911.562440]  ? vfs_write+0x3d7/0x540
[ 2911.566192]  ? __fdget+0x1d0/0x230
[ 2911.569746]  __x64_sys_sendmsg+0x132/0x220
[ 2911.574099]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2911.578168]  ? vfs_write+0x393/0x540
[ 2911.581905]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2911.587271]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2911.592344]  ? do_syscall_64+0x21/0x620
[ 2911.596326]  do_syscall_64+0xf9/0x620
[ 2911.600148]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2911.605336] RIP: 0033:0x7f2f1f31d199
[ 2911.609050] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2911.627949] RSP: 002b:00007f2f1dc92168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2911.635660] RAX: ffffffffffffffda RBX: 00007f2f1f42ff60 RCX: 00007f2f1f31d199
[ 2911.642936] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004
[ 2911.650205] RBP: 00007f2f1dc921d0 R08: 0000000000000000 R09: 0000000000000000
[ 2911.657472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2911.664740] R13: 00007ffeec5d56ff R14: 00007f2f1dc92300 R15: 0000000000022000
[ 2911.672017] CPU: 0 PID: 13413 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2911.679914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2911.689268] Call Trace:
[ 2911.691879]  dump_stack+0x1fc/0x2ef
[ 2911.695619]  should_fail.cold+0xa/0xf
[ 2911.699433]  ? setup_fault_attr+0x200/0x200
[ 2911.703764]  ? lock_acquire+0x170/0x3c0
[ 2911.707756]  __should_failslab+0x115/0x180
[ 2911.712000]  should_failslab+0x5/0x10
[ 2911.715807]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2911.720917]  __kmalloc_node_track_caller+0x38/0x70
[ 2911.725856]  __alloc_skb+0xae/0x560
[ 2911.729585]  netlink_sendmsg+0x9f6/0xc50
[ 2911.733652]  ? aa_af_perm+0x230/0x230
[ 2911.737457]  ? nlmsg_notify+0x1f0/0x1f0
[ 2911.741432]  ? kernel_recvmsg+0x220/0x220
[ 2911.745592]  ? nlmsg_notify+0x1f0/0x1f0
[ 2911.749582]  sock_sendmsg+0xc3/0x120
[ 2911.753310]  ___sys_sendmsg+0x7bb/0x8e0
[ 2911.757303]  ? check_preemption_disabled+0x41/0x280
[ 2911.762342]  ? copy_msghdr_from_user+0x440/0x440
[ 2911.767105]  ? __fget+0x32f/0x510
[ 2911.770573]  ? lock_downgrade+0x720/0x720
[ 2911.774729]  ? check_preemption_disabled+0x41/0x280
[ 2911.779757]  ? check_preemption_disabled+0x41/0x280
[ 2911.784785]  ? __fget+0x356/0x510
[ 2911.788246]  ? do_dup2+0x450/0x450
[ 2911.791791]  ? lock_downgrade+0x720/0x720
[ 2911.795948]  ? vfs_write+0x3d7/0x540
[ 2911.799680]  ? __fdget+0x1d0/0x230
[ 2911.803243]  __x64_sys_sendmsg+0x132/0x220
[ 2911.807459]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2911.811501]  ? vfs_write+0x393/0x540
[ 2911.815206]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2911.820556]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2911.825564]  ? do_syscall_64+0x21/0x620
[ 2911.829644]  do_syscall_64+0xf9/0x620
[ 2911.833447]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2911.838621] RIP: 0033:0x7f94918ab199
[ 2911.842318] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2911.861200] RSP: 002b:00007f94901ff168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
20:05:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 3)

20:05:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000c"], 0x1c}}, 0x0)

20:05:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, 0x0, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x40080)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000240), 0x8000, 0x0)
ioctl$TIOCGETD(r2, 0x5424, &(0x7f0000000280))
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000225bd7000fddbdf250500000008000100000000000c0003000800000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x8840}, 0x40)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x2000c895}, 0x10010)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, 0x0, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x40080) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000240), 0x8000, 0x0) (async)
ioctl$TIOCGETD(r2, 0x5424, &(0x7f0000000280)) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000225bd7000fddbdf250500000008000100000000000c0003000800000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x8840}, 0x40) (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_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x2000c895}, 0x10010) (async)

20:05:27 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0) (fail_nth: 4)

20:05:27 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2911.868892] RAX: ffffffffffffffda RBX: 00007f94919be030 RCX: 00007f94918ab199
[ 2911.876144] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000004
[ 2911.883406] RBP: 00007f94901ff1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2911.890677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2911.897937] R13: 00007ffd88c1ff4f R14: 00007f94901ff300 R15: 0000000000022000
[ 2911.991518] nbd: must specify at least one socket
20:05:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2912.015444] FAULT_INJECTION: forcing a failure.
[ 2912.015444] name failslab, interval 1, probability 0, space 0, times 0
[ 2912.042159] FAULT_INJECTION: forcing a failure.
[ 2912.042159] name failslab, interval 1, probability 0, space 0, times 0
20:05:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, 0x0, 0x8, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x40080) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000240), 0x8000, 0x0)
ioctl$TIOCGETD(r2, 0x5424, &(0x7f0000000280)) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000225bd7000fddbdf250500000008000100000000000c0003000800000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x8840}, 0x40)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x2000c895}, 0x10010)

[ 2912.067194] CPU: 1 PID: 13436 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
[ 2912.075109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2912.084468] Call Trace:
[ 2912.087176]  dump_stack+0x1fc/0x2ef
[ 2912.090814]  should_fail.cold+0xa/0xf
[ 2912.094617]  ? setup_fault_attr+0x200/0x200
[ 2912.098943]  ? lock_acquire+0x170/0x3c0
[ 2912.102926]  __should_failslab+0x115/0x180
[ 2912.107169]  should_failslab+0x5/0x10
[ 2912.110973]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2912.116093]  __kmalloc_node_track_caller+0x38/0x70
[ 2912.121029]  __alloc_skb+0xae/0x560
[ 2912.124660]  netlink_ack+0x27d/0xae0
[ 2912.128374]  ? __radix_tree_lookup+0x216/0x370
[ 2912.132960]  ? netlink_sendmsg+0xc50/0xc50
[ 2912.137200]  netlink_rcv_skb+0x353/0x440
[ 2912.141274]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2912.145866]  ? netlink_ack+0xae0/0xae0
[ 2912.149761]  ? genl_rcv+0x15/0x40
[ 2912.153274]  genl_rcv+0x24/0x40
[ 2912.156563]  netlink_unicast+0x4d5/0x690
[ 2912.160628]  ? netlink_sendskb+0x110/0x110
[ 2912.164860]  ? _copy_from_iter_full+0x229/0x7c0
[ 2912.169533]  ? __phys_addr_symbol+0x2c/0x70
[ 2912.173854]  ? __check_object_size+0x17b/0x3e0
[ 2912.178458]  netlink_sendmsg+0x6c3/0xc50
[ 2912.182521]  ? aa_af_perm+0x230/0x230
[ 2912.186320]  ? nlmsg_notify+0x1f0/0x1f0
[ 2912.190291]  ? kernel_recvmsg+0x220/0x220
[ 2912.194436]  ? nlmsg_notify+0x1f0/0x1f0
[ 2912.198416]  sock_sendmsg+0xc3/0x120
[ 2912.202123]  ___sys_sendmsg+0x7bb/0x8e0
[ 2912.206094]  ? check_preemption_disabled+0x41/0x280
[ 2912.211099]  ? copy_msghdr_from_user+0x440/0x440
[ 2912.215847]  ? __fget+0x32f/0x510
[ 2912.219295]  ? lock_downgrade+0x720/0x720
[ 2912.223433]  ? check_preemption_disabled+0x41/0x280
[ 2912.228447]  ? check_preemption_disabled+0x41/0x280
[ 2912.233462]  ? __fget+0x356/0x510
[ 2912.236911]  ? do_dup2+0x450/0x450
[ 2912.240447]  ? lock_downgrade+0x720/0x720
[ 2912.244594]  ? vfs_write+0x3d7/0x540
[ 2912.248303]  ? __fdget+0x1d0/0x230
[ 2912.251839]  __x64_sys_sendmsg+0x132/0x220
[ 2912.256066]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2912.260116]  ? vfs_write+0x393/0x540
[ 2912.263836]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2912.269189]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2912.274200]  ? do_syscall_64+0x21/0x620
[ 2912.278174]  do_syscall_64+0xf9/0x620
[ 2912.281977]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2912.287157] RIP: 0033:0x7f2f1f31d199
[ 2912.290863] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2912.309762] RSP: 002b:00007f2f1dc92168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2912.317487] RAX: ffffffffffffffda RBX: 00007f2f1f42ff60 RCX: 00007f2f1f31d199
[ 2912.324747] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004
[ 2912.332101] RBP: 00007f2f1dc921d0 R08: 0000000000000000 R09: 0000000000000000
[ 2912.339362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2912.346741] R13: 00007ffeec5d56ff R14: 00007f2f1dc92300 R15: 0000000000022000
[ 2912.354024] CPU: 0 PID: 13442 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2912.361910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2912.371263] Call Trace:
[ 2912.373865]  dump_stack+0x1fc/0x2ef
[ 2912.377509]  should_fail.cold+0xa/0xf
[ 2912.381321]  ? setup_fault_attr+0x200/0x200
[ 2912.385654]  ? lock_acquire+0x170/0x3c0
[ 2912.389643]  __should_failslab+0x115/0x180
[ 2912.393886]  should_failslab+0x5/0x10
[ 2912.397688]  kmem_cache_alloc_trace+0x284/0x380
[ 2912.402364]  nbd_dev_add+0x44/0x890
[ 2912.406004]  nbd_genl_connect+0x4cc/0x1630
[ 2912.410429]  ? nbd_xmit_timeout+0x730/0x730
[ 2912.414761]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2912.419958]  ? validate_nla+0x270/0x820
[ 2912.423945]  ? nla_parse+0x1b2/0x290
[ 2912.427682]  genl_family_rcv_msg+0x642/0xc40
[ 2912.432100]  ? genl_rcv+0x40/0x40
[ 2912.435558]  ? genl_rcv_msg+0x12f/0x160
[ 2912.439546]  ? mutex_trylock+0x1a0/0x1a0
[ 2912.443621]  ? __radix_tree_lookup+0x216/0x370
[ 2912.448218]  genl_rcv_msg+0xbf/0x160
[ 2912.451939]  netlink_rcv_skb+0x160/0x440
[ 2912.456016]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2912.460608]  ? netlink_ack+0xae0/0xae0
[ 2912.464504]  ? genl_rcv+0x15/0x40
[ 2912.467971]  genl_rcv+0x24/0x40
[ 2912.471255]  netlink_unicast+0x4d5/0x690
[ 2912.475325]  ? netlink_sendskb+0x110/0x110
[ 2912.479573]  ? _copy_from_iter_full+0x229/0x7c0
[ 2912.484250]  ? __phys_addr_symbol+0x2c/0x70
[ 2912.488594]  ? __check_object_size+0x17b/0x3e0
[ 2912.493182]  netlink_sendmsg+0x6c3/0xc50
[ 2912.497248]  ? aa_af_perm+0x230/0x230
[ 2912.501052]  ? nlmsg_notify+0x1f0/0x1f0
[ 2912.505118]  ? kernel_recvmsg+0x220/0x220
[ 2912.509289]  ? nlmsg_notify+0x1f0/0x1f0
[ 2912.513272]  sock_sendmsg+0xc3/0x120
20:05:27 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0) (fail_nth: 5)

[ 2912.516994]  ___sys_sendmsg+0x7bb/0x8e0
[ 2912.520978]  ? check_preemption_disabled+0x41/0x280
[ 2912.525996]  ? copy_msghdr_from_user+0x440/0x440
[ 2912.530758]  ? __fget+0x32f/0x510
[ 2912.534226]  ? lock_downgrade+0x720/0x720
[ 2912.538374]  ? check_preemption_disabled+0x41/0x280
[ 2912.543385]  ? check_preemption_disabled+0x41/0x280
[ 2912.548405]  ? __fget+0x356/0x510
[ 2912.551856]  ? do_dup2+0x450/0x450
[ 2912.555382]  ? lock_downgrade+0x720/0x720
[ 2912.559518]  ? vfs_write+0x3d7/0x540
[ 2912.563226]  ? __fdget+0x1d0/0x230
[ 2912.566851]  __x64_sys_sendmsg+0x132/0x220
[ 2912.571091]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2912.575140]  ? vfs_write+0x393/0x540
[ 2912.578844]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2912.584204]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2912.589216]  ? do_syscall_64+0x21/0x620
[ 2912.593183]  do_syscall_64+0xf9/0x620
[ 2912.596994]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2912.602173] RIP: 0033:0x7f94918ab199
[ 2912.605884] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2912.624784] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2912.632502] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2912.639770] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2912.647028] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2912.654289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2912.661557] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:28 executing program 4:
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000200)={0xffffffffffffffff, 0xe0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000040)=[0x0], ""/16, <r0=>0x0, 0x0, 0x0, 0x0, 0x8, 0x1, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0], 0x0, 0x8, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}], 0x30, 0x10, &(0x7f0000000140), &(0x7f0000000180), 0x8, 0x10, 0x8, 0x8, &(0x7f00000001c0)}}, 0x10)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000400)=@getlink={0x1e4, 0x12, 0x10, 0x70bd2c, 0x25dfdbfb, {0x0, 0x0, 0x0, r0, 0xa002, 0x9000}, [@IFLA_PHYS_PORT_ID={0x12, 0x22, "8253c58a6d6116c5f9d425d72e56"}, @IFLA_GSO_MAX_SEGS={0x8, 0x28, 0x518}, @IFLA_LINK_NETNSID={0x8, 0x25, 0x3}, @IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @wireguard={{0xe}, {0x4}}}, @IFLA_AF_SPEC={0x154, 0x1a, 0x0, 0x1, [@AF_INET={0x40, 0x2, 0x0, 0x1, {0x3c, 0x1, 0x0, 0x1, [{0x8, 0xb, 0x0, 0x0, 0x400}, {0x8, 0x1c, 0x0, 0x0, 0x1db}, {0x8, 0xe, 0x0, 0x0, 0x6}, {0x8, 0x1e, 0x0, 0x0, 0x100}, {0x8, 0x1b, 0x0, 0x0, 0x3}, {0x8, 0xd, 0x0, 0x0, 0x48}, {0x8, 0xd, 0x0, 0x0, 0x2}]}}, @AF_INET={0x10, 0x2, 0x0, 0x1, {0xc, 0x1, 0x0, 0x1, [{0x8, 0x19, 0x0, 0x0, 0x7}]}}, @AF_INET6={0x78, 0xa, 0x0, 0x1, [@IFLA_INET6_TOKEN={0x14, 0x7, @empty}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x6}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x1f}, @IFLA_INET6_TOKEN={0x14, 0x7, @dev={0xfe, 0x80, '\x00', 0x36}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x7}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x81}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x8}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x3}, @IFLA_INET6_TOKEN={0x14, 0x7, @ipv4={'\x00', '\xff\xff', @remote}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x5}]}, @AF_INET={0x20, 0x2, 0x0, 0x1, {0x1c, 0x1, 0x0, 0x1, [{0x8, 0x10, 0x0, 0x0, 0x81}, {0x8, 0x15, 0x0, 0x0, 0x8}, {0x8, 0x9, 0x0, 0x0, 0x7}]}}, @AF_MPLS={0x4}, @AF_INET6={0x20, 0xa, 0x0, 0x1, [@IFLA_INET6_TOKEN={0x14, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x2}]}, @AF_MPLS={0x4}, @AF_INET={0x38, 0x2, 0x0, 0x1, {0x34, 0x1, 0x0, 0x1, [{0x8, 0x11, 0x0, 0x0, 0x1}, {0x8, 0x1e, 0x0, 0x0, 0x1000}, {0x8, 0x9, 0x0, 0x0, 0x3}, {0x8, 0x10, 0x0, 0x0, 0x7f}, {0x8, 0x11, 0x0, 0x0, 0x80}, {0x8, 0x1f, 0x0, 0x0, 0x6}]}}, @AF_MPLS={0x4}, @AF_BRIDGE={0x4}]}, @IFLA_PROMISCUITY={0x8}, @IFLA_PROP_LIST={0x2c, 0x34, 0x0, 0x1, [{0x14, 0x35, 'hsr0\x00'}, {0x14, 0x35, 'gre0\x00'}]}]}, 0x1e4}, 0x1, 0x0, 0x0, 0x80}, 0x40033b71a0a63120)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xa, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4040801}, 0x880)

20:05:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:28 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2912.674311] nbd: failed to add new device
20:05:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 4)

20:05:28 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:28 executing program 4:
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000200)={0xffffffffffffffff, 0xe0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000040)=[0x0], ""/16, <r0=>0x0, 0x0, 0x0, 0x0, 0x8, 0x1, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0], 0x0, 0x8, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}], 0x30, 0x10, &(0x7f0000000140), &(0x7f0000000180), 0x8, 0x10, 0x8, 0x8, &(0x7f00000001c0)}}, 0x10)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000400)=@getlink={0x1e4, 0x12, 0x10, 0x70bd2c, 0x25dfdbfb, {0x0, 0x0, 0x0, r0, 0xa002, 0x9000}, [@IFLA_PHYS_PORT_ID={0x12, 0x22, "8253c58a6d6116c5f9d425d72e56"}, @IFLA_GSO_MAX_SEGS={0x8, 0x28, 0x518}, @IFLA_LINK_NETNSID={0x8, 0x25, 0x3}, @IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @wireguard={{0xe}, {0x4}}}, @IFLA_AF_SPEC={0x154, 0x1a, 0x0, 0x1, [@AF_INET={0x40, 0x2, 0x0, 0x1, {0x3c, 0x1, 0x0, 0x1, [{0x8, 0xb, 0x0, 0x0, 0x400}, {0x8, 0x1c, 0x0, 0x0, 0x1db}, {0x8, 0xe, 0x0, 0x0, 0x6}, {0x8, 0x1e, 0x0, 0x0, 0x100}, {0x8, 0x1b, 0x0, 0x0, 0x3}, {0x8, 0xd, 0x0, 0x0, 0x48}, {0x8, 0xd, 0x0, 0x0, 0x2}]}}, @AF_INET={0x10, 0x2, 0x0, 0x1, {0xc, 0x1, 0x0, 0x1, [{0x8, 0x19, 0x0, 0x0, 0x7}]}}, @AF_INET6={0x78, 0xa, 0x0, 0x1, [@IFLA_INET6_TOKEN={0x14, 0x7, @empty}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x6}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x1f}, @IFLA_INET6_TOKEN={0x14, 0x7, @dev={0xfe, 0x80, '\x00', 0x36}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x7}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x81}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x8}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x3}, @IFLA_INET6_TOKEN={0x14, 0x7, @ipv4={'\x00', '\xff\xff', @remote}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x5}]}, @AF_INET={0x20, 0x2, 0x0, 0x1, {0x1c, 0x1, 0x0, 0x1, [{0x8, 0x10, 0x0, 0x0, 0x81}, {0x8, 0x15, 0x0, 0x0, 0x8}, {0x8, 0x9, 0x0, 0x0, 0x7}]}}, @AF_MPLS={0x4}, @AF_INET6={0x20, 0xa, 0x0, 0x1, [@IFLA_INET6_TOKEN={0x14, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x2}]}, @AF_MPLS={0x4}, @AF_INET={0x38, 0x2, 0x0, 0x1, {0x34, 0x1, 0x0, 0x1, [{0x8, 0x11, 0x0, 0x0, 0x1}, {0x8, 0x1e, 0x0, 0x0, 0x1000}, {0x8, 0x9, 0x0, 0x0, 0x3}, {0x8, 0x10, 0x0, 0x0, 0x7f}, {0x8, 0x11, 0x0, 0x0, 0x80}, {0x8, 0x1f, 0x0, 0x0, 0x6}]}}, @AF_MPLS={0x4}, @AF_BRIDGE={0x4}]}, @IFLA_PROMISCUITY={0x8}, @IFLA_PROP_LIST={0x2c, 0x34, 0x0, 0x1, [{0x14, 0x35, 'hsr0\x00'}, {0x14, 0x35, 'gre0\x00'}]}]}, 0x1e4}, 0x1, 0x0, 0x0, 0x80}, 0x40033b71a0a63120) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xa, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4040801}, 0x880)

20:05:28 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), 0xffffffffffffffff)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2912.800072] nbd: must specify at least one socket
20:05:28 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2912.847542] FAULT_INJECTION: forcing a failure.
[ 2912.847542] name failslab, interval 1, probability 0, space 0, times 0
[ 2912.898819] CPU: 1 PID: 13488 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2912.906729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2912.916082] Call Trace:
[ 2912.918704]  dump_stack+0x1fc/0x2ef
[ 2912.922353]  should_fail.cold+0xa/0xf
[ 2912.926164]  ? setup_fault_attr+0x200/0x200
[ 2912.930500]  ? lock_acquire+0x170/0x3c0
[ 2912.934495]  __should_failslab+0x115/0x180
[ 2912.938743]  should_failslab+0x5/0x10
[ 2912.942574]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2912.947691]  __alloc_disk_node+0x69/0x410
[ 2912.951847]  nbd_dev_add+0x6c/0x890
[ 2912.955489]  nbd_genl_connect+0x4cc/0x1630
[ 2912.959736]  ? nbd_xmit_timeout+0x730/0x730
[ 2912.964065]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2912.969265]  ? validate_nla+0x270/0x820
[ 2912.973249]  ? nla_parse+0x1b2/0x290
[ 2912.976972]  genl_family_rcv_msg+0x642/0xc40
[ 2912.981392]  ? genl_rcv+0x40/0x40
[ 2912.984847]  ? genl_rcv_msg+0x12f/0x160
[ 2912.988828]  ? mutex_trylock+0x1a0/0x1a0
[ 2912.992905]  ? __radix_tree_lookup+0x216/0x370
[ 2912.997504]  genl_rcv_msg+0xbf/0x160
[ 2913.001223]  netlink_rcv_skb+0x160/0x440
[ 2913.005294]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2913.009883]  ? netlink_ack+0xae0/0xae0
[ 2913.013777]  ? genl_rcv+0x15/0x40
[ 2913.017243]  genl_rcv+0x24/0x40
[ 2913.020526]  netlink_unicast+0x4d5/0x690
[ 2913.024639]  ? netlink_sendskb+0x110/0x110
[ 2913.028878]  ? _copy_from_iter_full+0x229/0x7c0
[ 2913.033553]  ? __phys_addr_symbol+0x2c/0x70
[ 2913.037887]  ? __check_object_size+0x17b/0x3e0
[ 2913.042484]  netlink_sendmsg+0x6c3/0xc50
20:05:28 executing program 4:
bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000200)={0xffffffffffffffff, 0xe0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000040)=[0x0], ""/16, <r0=>0x0, 0x0, 0x0, 0x0, 0x8, 0x1, &(0x7f0000000080)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000000c0)=[0x0], 0x0, 0x8, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}], 0x30, 0x10, &(0x7f0000000140), &(0x7f0000000180), 0x8, 0x10, 0x8, 0x8, &(0x7f00000001c0)}}, 0x10)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f0000000400)=@getlink={0x1e4, 0x12, 0x10, 0x70bd2c, 0x25dfdbfb, {0x0, 0x0, 0x0, r0, 0xa002, 0x9000}, [@IFLA_PHYS_PORT_ID={0x12, 0x22, "8253c58a6d6116c5f9d425d72e56"}, @IFLA_GSO_MAX_SEGS={0x8, 0x28, 0x518}, @IFLA_LINK_NETNSID={0x8, 0x25, 0x3}, @IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @wireguard={{0xe}, {0x4}}}, @IFLA_AF_SPEC={0x154, 0x1a, 0x0, 0x1, [@AF_INET={0x40, 0x2, 0x0, 0x1, {0x3c, 0x1, 0x0, 0x1, [{0x8, 0xb, 0x0, 0x0, 0x400}, {0x8, 0x1c, 0x0, 0x0, 0x1db}, {0x8, 0xe, 0x0, 0x0, 0x6}, {0x8, 0x1e, 0x0, 0x0, 0x100}, {0x8, 0x1b, 0x0, 0x0, 0x3}, {0x8, 0xd, 0x0, 0x0, 0x48}, {0x8, 0xd, 0x0, 0x0, 0x2}]}}, @AF_INET={0x10, 0x2, 0x0, 0x1, {0xc, 0x1, 0x0, 0x1, [{0x8, 0x19, 0x0, 0x0, 0x7}]}}, @AF_INET6={0x78, 0xa, 0x0, 0x1, [@IFLA_INET6_TOKEN={0x14, 0x7, @empty}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x6}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x1f}, @IFLA_INET6_TOKEN={0x14, 0x7, @dev={0xfe, 0x80, '\x00', 0x36}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x7}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x81}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x8}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x3}, @IFLA_INET6_TOKEN={0x14, 0x7, @ipv4={'\x00', '\xff\xff', @remote}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x5}]}, @AF_INET={0x20, 0x2, 0x0, 0x1, {0x1c, 0x1, 0x0, 0x1, [{0x8, 0x10, 0x0, 0x0, 0x81}, {0x8, 0x15, 0x0, 0x0, 0x8}, {0x8, 0x9, 0x0, 0x0, 0x7}]}}, @AF_MPLS={0x4}, @AF_INET6={0x20, 0xa, 0x0, 0x1, [@IFLA_INET6_TOKEN={0x14, 0x7, @private1={0xfc, 0x1, '\x00', 0x1}}, @IFLA_INET6_ADDR_GEN_MODE={0x5, 0x8, 0x2}]}, @AF_MPLS={0x4}, @AF_INET={0x38, 0x2, 0x0, 0x1, {0x34, 0x1, 0x0, 0x1, [{0x8, 0x11, 0x0, 0x0, 0x1}, {0x8, 0x1e, 0x0, 0x0, 0x1000}, {0x8, 0x9, 0x0, 0x0, 0x3}, {0x8, 0x10, 0x0, 0x0, 0x7f}, {0x8, 0x11, 0x0, 0x0, 0x80}, {0x8, 0x1f, 0x0, 0x0, 0x6}]}}, @AF_MPLS={0x4}, @AF_BRIDGE={0x4}]}, @IFLA_PROMISCUITY={0x8}, @IFLA_PROP_LIST={0x2c, 0x34, 0x0, 0x1, [{0x14, 0x35, 'hsr0\x00'}, {0x14, 0x35, 'gre0\x00'}]}]}, 0x1e4}, 0x1, 0x0, 0x0, 0x80}, 0x40033b71a0a63120) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0xa, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x4040801}, 0x880)

[ 2913.046556]  ? aa_af_perm+0x230/0x230
[ 2913.050360]  ? nlmsg_notify+0x1f0/0x1f0
[ 2913.054336]  ? kernel_recvmsg+0x220/0x220
[ 2913.058501]  ? nlmsg_notify+0x1f0/0x1f0
[ 2913.062493]  sock_sendmsg+0xc3/0x120
[ 2913.066218]  ___sys_sendmsg+0x7bb/0x8e0
[ 2913.070203]  ? check_preemption_disabled+0x41/0x280
[ 2913.075231]  ? copy_msghdr_from_user+0x440/0x440
[ 2913.079995]  ? __fget+0x32f/0x510
[ 2913.083468]  ? lock_downgrade+0x720/0x720
[ 2913.087624]  ? check_preemption_disabled+0x41/0x280
[ 2913.092647]  ? check_preemption_disabled+0x41/0x280
20:05:28 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000003c0)={0x0}, 0x1, 0x0, 0x0, 0x40810}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

[ 2913.097670]  ? __fget+0x356/0x510
[ 2913.101133]  ? do_dup2+0x450/0x450
[ 2913.104676]  ? lock_downgrade+0x720/0x720
[ 2913.108847]  ? vfs_write+0x3d7/0x540
[ 2913.112567]  ? __fdget+0x1d0/0x230
[ 2913.116120]  __x64_sys_sendmsg+0x132/0x220
[ 2913.120364]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2913.124430]  ? vfs_write+0x393/0x540
[ 2913.128166]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2913.133535]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2913.138555]  ? do_syscall_64+0x21/0x620
[ 2913.142555]  do_syscall_64+0xf9/0x620
20:05:28 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000003c0)={0x0}, 0x1, 0x0, 0x0, 0x40810}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

[ 2913.146365]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2913.151556] RIP: 0033:0x7f94918ab199
[ 2913.155277] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2913.174182] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2913.181900] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2913.189173] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2913.196443] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2913.203719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2913.210994] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:28 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

[ 2913.243403] nbd: failed to add new device
20:05:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 5)

20:05:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x2, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:28 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000003c0)={0x0}, 0x1, 0x0, 0x0, 0x40810}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

20:05:28 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:28 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000000)={0x3, 0x9, 0x0, 0x5, 0x7ffa, 0x2})
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_CREATE(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000005000000145b"], 0x30}}, 0x0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r4=>0xffffffffffffffff})
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000280)={0xfffffffffffffff9, 0xeba1, 0x1, 0x8e8f, 0x9, 0xfffffffffffffff9})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r6=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000fcdbdf25020000000c00060000000000000000001c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="2400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040007000000000000000c00040000000000000000004c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYRES32, @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\b#\x00\x00', @ANYRES32=r6, @ANYBLOB], 0xc4}, 0x1, 0x0, 0x0, 0x20000084}, 0x0)

[ 2913.404516] FAULT_INJECTION: forcing a failure.
[ 2913.404516] name failslab, interval 1, probability 0, space 0, times 0
[ 2913.458496] CPU: 1 PID: 13537 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2913.466407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2913.475768] Call Trace:
[ 2913.478374]  dump_stack+0x1fc/0x2ef
[ 2913.482017]  should_fail.cold+0xa/0xf
[ 2913.485831]  ? setup_fault_attr+0x200/0x200
[ 2913.490162]  ? lock_acquire+0x170/0x3c0
[ 2913.494151]  __should_failslab+0x115/0x180
[ 2913.498399]  should_failslab+0x5/0x10
[ 2913.502232]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2913.507348]  __kmalloc_node+0x38/0x70
[ 2913.511160]  disk_expand_part_tbl+0x1b4/0x3a0
[ 2913.515700]  __alloc_disk_node+0x118/0x410
[ 2913.519948]  nbd_dev_add+0x6c/0x890
[ 2913.523586]  nbd_genl_connect+0x4cc/0x1630
[ 2913.527831]  ? nbd_xmit_timeout+0x730/0x730
[ 2913.532160]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2913.537357]  ? validate_nla+0x270/0x820
[ 2913.541444]  ? nla_parse+0x1b2/0x290
[ 2913.545166]  genl_family_rcv_msg+0x642/0xc40
[ 2913.549572]  ? genl_rcv+0x40/0x40
[ 2913.553006]  ? genl_rcv_msg+0x12f/0x160
[ 2913.556965]  ? mutex_trylock+0x1a0/0x1a0
[ 2913.561032]  ? __radix_tree_lookup+0x216/0x370
[ 2913.565614]  genl_rcv_msg+0xbf/0x160
[ 2913.569318]  netlink_rcv_skb+0x160/0x440
[ 2913.573377]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2913.578010]  ? netlink_ack+0xae0/0xae0
[ 2913.581882]  ? genl_rcv+0x15/0x40
[ 2913.585323]  genl_rcv+0x24/0x40
[ 2913.588585]  netlink_unicast+0x4d5/0x690
[ 2913.592632]  ? netlink_sendskb+0x110/0x110
[ 2913.596860]  ? _copy_from_iter_full+0x229/0x7c0
[ 2913.601528]  ? __phys_addr_symbol+0x2c/0x70
[ 2913.605848]  ? __check_object_size+0x17b/0x3e0
[ 2913.610441]  netlink_sendmsg+0x6c3/0xc50
[ 2913.614501]  ? aa_af_perm+0x230/0x230
[ 2913.618309]  ? nlmsg_notify+0x1f0/0x1f0
[ 2913.622267]  ? kernel_recvmsg+0x220/0x220
[ 2913.626407]  ? nlmsg_notify+0x1f0/0x1f0
[ 2913.630373]  sock_sendmsg+0xc3/0x120
[ 2913.634082]  ___sys_sendmsg+0x7bb/0x8e0
[ 2913.638046]  ? check_preemption_disabled+0x41/0x280
[ 2913.643056]  ? copy_msghdr_from_user+0x440/0x440
[ 2913.647801]  ? __fget+0x32f/0x510
[ 2913.651253]  ? lock_downgrade+0x720/0x720
[ 2913.655425]  ? check_preemption_disabled+0x41/0x280
[ 2913.660436]  ? check_preemption_disabled+0x41/0x280
[ 2913.665456]  ? __fget+0x356/0x510
[ 2913.668897]  ? do_dup2+0x450/0x450
[ 2913.672424]  ? lock_downgrade+0x720/0x720
[ 2913.676822]  ? vfs_write+0x3d7/0x540
[ 2913.680543]  ? __fdget+0x1d0/0x230
[ 2913.684079]  __x64_sys_sendmsg+0x132/0x220
[ 2913.688297]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2913.692344]  ? vfs_write+0x393/0x540
[ 2913.696048]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2913.701397]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2913.706452]  ? do_syscall_64+0x21/0x620
[ 2913.710433]  do_syscall_64+0xf9/0x620
[ 2913.714228]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2913.719404] RIP: 0033:0x7f94918ab199
[ 2913.723099] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2913.741981] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2913.749674] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2913.756942] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2913.764197] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2913.771462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2913.778749] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:29 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

[ 2913.812854] nbd: failed to add new device
20:05:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 6)

20:05:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000000)={0x3, 0x9, 0x0, 0x5, 0x7ffa, 0x2})
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_CREATE(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000005000000145b"], 0x30}}, 0x0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r4=>0xffffffffffffffff})
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000280)={0xfffffffffffffff9, 0xeba1, 0x1, 0x8e8f, 0x9, 0xfffffffffffffff9})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r6=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000fcdbdf25020000000c00060000000000000000001c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="2400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040007000000000000000c00040000000000000000004c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYRES32, @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\b#\x00\x00', @ANYRES32=r6, @ANYBLOB], 0xc4}, 0x1, 0x0, 0x0, 0x20000084}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000000)={0x3, 0x9, 0x0, 0x5, 0x7ffa, 0x2}) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff) (async)
sendmsg$L2TP_CMD_SESSION_CREATE(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000005000000145b"], 0x30}}, 0x0) (async)
openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) (async)
syz_open_pts(r3, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async)
openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) (async)
syz_open_pts(r5, 0x0) (async)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000280)={0xfffffffffffffff9, 0xeba1, 0x1, 0x8e8f, 0x9, 0xfffffffffffffff9}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000fcdbdf25020000000c00060000000000000000001c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="2400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040007000000000000000c00040000000000000000004c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYRES32, @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\b#\x00\x00', @ANYRES32=r6, @ANYBLOB], 0xc4}, 0x1, 0x0, 0x0, 0x20000084}, 0x0) (async)

20:05:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x3, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:05:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x4, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:29 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

[ 2913.931789] nbd: must specify at least one socket
[ 2913.975285] nla_parse: 28 callbacks suppressed
[ 2913.975295] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2914.038715] FAULT_INJECTION: forcing a failure.
[ 2914.038715] name failslab, interval 1, probability 0, space 0, times 0
[ 2914.062904] CPU: 1 PID: 13567 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2914.070817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2914.080178] Call Trace:
[ 2914.082773]  dump_stack+0x1fc/0x2ef
[ 2914.086416]  should_fail.cold+0xa/0xf
[ 2914.090230]  ? setup_fault_attr+0x200/0x200
[ 2914.094554]  ? lock_acquire+0x170/0x3c0
[ 2914.098541]  __should_failslab+0x115/0x180
[ 2914.102787]  should_failslab+0x5/0x10
[ 2914.106593]  kmem_cache_alloc_trace+0x284/0x380
[ 2914.111273]  rand_initialize_disk+0x3b/0xc0
[ 2914.115608]  __alloc_disk_node+0x234/0x410
[ 2914.119852]  nbd_dev_add+0x6c/0x890
[ 2914.123490]  nbd_genl_connect+0x4cc/0x1630
[ 2914.127737]  ? nbd_xmit_timeout+0x730/0x730
[ 2914.132067]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2914.137271]  ? validate_nla+0x270/0x820
[ 2914.141255]  ? nla_parse+0x1b2/0x290
[ 2914.144980]  genl_family_rcv_msg+0x642/0xc40
[ 2914.149398]  ? genl_rcv+0x40/0x40
[ 2914.152864]  ? genl_rcv_msg+0x12f/0x160
[ 2914.156836]  ? mutex_trylock+0x1a0/0x1a0
[ 2914.160883]  ? __radix_tree_lookup+0x216/0x370
[ 2914.165468]  genl_rcv_msg+0xbf/0x160
[ 2914.169177]  netlink_rcv_skb+0x160/0x440
[ 2914.173222]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2914.177790]  ? netlink_ack+0xae0/0xae0
[ 2914.181660]  ? genl_rcv+0x15/0x40
[ 2914.185099]  genl_rcv+0x24/0x40
[ 2914.188363]  netlink_unicast+0x4d5/0x690
[ 2914.192408]  ? netlink_sendskb+0x110/0x110
[ 2914.196631]  ? _copy_from_iter_full+0x229/0x7c0
[ 2914.201284]  ? __phys_addr_symbol+0x2c/0x70
[ 2914.205591]  ? __check_object_size+0x17b/0x3e0
[ 2914.210158]  netlink_sendmsg+0x6c3/0xc50
[ 2914.214223]  ? aa_af_perm+0x230/0x230
[ 2914.218005]  ? nlmsg_notify+0x1f0/0x1f0
[ 2914.221961]  ? kernel_recvmsg+0x220/0x220
[ 2914.226096]  ? nlmsg_notify+0x1f0/0x1f0
[ 2914.230052]  sock_sendmsg+0xc3/0x120
[ 2914.233749]  ___sys_sendmsg+0x7bb/0x8e0
[ 2914.237725]  ? check_preemption_disabled+0x41/0x280
[ 2914.242734]  ? copy_msghdr_from_user+0x440/0x440
[ 2914.247474]  ? __fget+0x32f/0x510
[ 2914.250911]  ? lock_downgrade+0x720/0x720
[ 2914.255044]  ? check_preemption_disabled+0x41/0x280
[ 2914.260079]  ? check_preemption_disabled+0x41/0x280
[ 2914.265084]  ? __fget+0x356/0x510
[ 2914.268544]  ? do_dup2+0x450/0x450
[ 2914.272074]  ? lock_downgrade+0x720/0x720
[ 2914.276213]  ? vfs_write+0x3d7/0x540
[ 2914.279924]  ? __fdget+0x1d0/0x230
[ 2914.283456]  __x64_sys_sendmsg+0x132/0x220
[ 2914.287694]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2914.291752]  ? vfs_write+0x393/0x540
[ 2914.295473]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2914.300835]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2914.305841]  ? do_syscall_64+0x21/0x620
[ 2914.309824]  do_syscall_64+0xf9/0x620
[ 2914.313615]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2914.318793] RIP: 0033:0x7f94918ab199
[ 2914.322505] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2914.341416] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2914.349218] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2914.356486] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2914.363747] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2914.371010] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2914.378272] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:29 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

[ 2914.396619] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2914.405658] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2914.425358] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
20:05:29 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 7)

20:05:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000000)={0x3, 0x9, 0x0, 0x5, 0x7ffa, 0x2}) (async)
r1 = socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_SESSION_CREATE(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000005000000145b"], 0x30}}, 0x0) (async)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r4=>0xffffffffffffffff}) (async)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0) (async)
ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000280)={0xfffffffffffffff9, 0xeba1, 0x1, 0x8e8f, 0x9, 0xfffffffffffffff9}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r6=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="c4000000", @ANYRES16=0x0, @ANYBLOB="00032dbd7000fcdbdf25020000000c00060000000000000000001c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="2400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00040007000000000000000c00040000000000000000004c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYRES32, @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\b#\x00\x00', @ANYRES32=r6, @ANYBLOB], 0xc4}, 0x1, 0x0, 0x0, 0x20000084}, 0x0)

20:05:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x5, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:29 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:29 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

[ 2914.523286] nbd: must specify at least one socket
20:05:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x6, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0)

20:05:30 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x18, 0xfffffffffffffffc}, 0x0)

[ 2914.551839] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2914.580366] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
20:05:30 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x18, 0xfffffffffffffffc}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x18, 0xfffffffffffffffc}, 0x0) (async)

20:05:30 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2914.658690] FAULT_INJECTION: forcing a failure.
[ 2914.658690] name failslab, interval 1, probability 0, space 0, times 0
20:05:30 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x18, 0xfffffffffffffffc}, 0x0)

[ 2914.713701] CPU: 1 PID: 13626 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2914.721609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2914.730968] Call Trace:
[ 2914.733567]  dump_stack+0x1fc/0x2ef
[ 2914.737210]  should_fail.cold+0xa/0xf
[ 2914.741019]  ? setup_fault_attr+0x200/0x200
[ 2914.745351]  ? lock_acquire+0x170/0x3c0
[ 2914.749329]  __should_failslab+0x115/0x180
[ 2914.753558]  should_failslab+0x5/0x10
[ 2914.757363]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2914.762475]  __kmalloc_node+0x38/0x70
[ 2914.766290]  blk_mq_alloc_tag_set+0x330/0xa30
[ 2914.770798]  nbd_dev_add+0x297/0x890
[ 2914.774520]  nbd_genl_connect+0x4cc/0x1630
[ 2914.778768]  ? nbd_xmit_timeout+0x730/0x730
[ 2914.783102]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2914.788307]  ? validate_nla+0x270/0x820
[ 2914.792305]  ? nla_parse+0x1b2/0x290
[ 2914.796051]  genl_family_rcv_msg+0x642/0xc40
[ 2914.800475]  ? genl_rcv+0x40/0x40
[ 2914.803929]  ? genl_rcv_msg+0x12f/0x160
[ 2914.807910]  ? mutex_trylock+0x1a0/0x1a0
[ 2914.811983]  ? __radix_tree_lookup+0x216/0x370
[ 2914.816576]  genl_rcv_msg+0xbf/0x160
[ 2914.820306]  netlink_rcv_skb+0x160/0x440
[ 2914.824375]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2914.828964]  ? netlink_ack+0xae0/0xae0
[ 2914.832863]  ? genl_rcv+0x15/0x40
[ 2914.836332]  genl_rcv+0x24/0x40
[ 2914.839625]  netlink_unicast+0x4d5/0x690
[ 2914.843698]  ? netlink_sendskb+0x110/0x110
[ 2914.847935]  ? _copy_from_iter_full+0x229/0x7c0
[ 2914.852603]  ? __phys_addr_symbol+0x2c/0x70
[ 2914.856934]  ? __check_object_size+0x17b/0x3e0
[ 2914.861529]  netlink_sendmsg+0x6c3/0xc50
[ 2914.865604]  ? aa_af_perm+0x230/0x230
[ 2914.869411]  ? nlmsg_notify+0x1f0/0x1f0
[ 2914.873390]  ? kernel_recvmsg+0x220/0x220
[ 2914.877553]  ? nlmsg_notify+0x1f0/0x1f0
[ 2914.881536]  sock_sendmsg+0xc3/0x120
[ 2914.885767]  ___sys_sendmsg+0x7bb/0x8e0
[ 2914.889726]  ? check_preemption_disabled+0x41/0x280
[ 2914.894734]  ? copy_msghdr_from_user+0x440/0x440
[ 2914.899483]  ? __fget+0x32f/0x510
[ 2914.902922]  ? lock_downgrade+0x720/0x720
[ 2914.907056]  ? check_preemption_disabled+0x41/0x280
[ 2914.912059]  ? check_preemption_disabled+0x41/0x280
[ 2914.917062]  ? __fget+0x356/0x510
[ 2914.920508]  ? do_dup2+0x450/0x450
[ 2914.924032]  ? lock_downgrade+0x720/0x720
[ 2914.928162]  ? vfs_write+0x3d7/0x540
[ 2914.931860]  ? __fdget+0x1d0/0x230
[ 2914.935386]  __x64_sys_sendmsg+0x132/0x220
[ 2914.939605]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2914.943661]  ? vfs_write+0x393/0x540
[ 2914.947369]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2914.952715]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2914.957715]  ? do_syscall_64+0x21/0x620
[ 2914.961675]  do_syscall_64+0xf9/0x620
[ 2914.965483]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2914.970656] RIP: 0033:0x7f94918ab199
[ 2914.974351] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2914.993234] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2915.000936] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
20:05:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 8)

20:05:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
sendmsg$L2TP_CMD_NOOP(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x6}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0xc080)

20:05:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x7, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:30 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2915.008203] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2915.015453] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2915.022701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2915.029953] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
[ 2915.042694] nbd: failed to add new device
20:05:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async, rerun: 32)
sendmsg$L2TP_CMD_NOOP(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x6}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0xc080) (rerun: 32)

[ 2915.137099] FAULT_INJECTION: forcing a failure.
[ 2915.137099] name failslab, interval 1, probability 0, space 0, times 0
[ 2915.172272] CPU: 0 PID: 13684 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2915.180184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2915.189543] Call Trace:
[ 2915.192146]  dump_stack+0x1fc/0x2ef
[ 2915.195794]  should_fail.cold+0xa/0xf
[ 2915.199610]  ? setup_fault_attr+0x200/0x200
[ 2915.203942]  ? lock_acquire+0x170/0x3c0
[ 2915.207935]  __should_failslab+0x115/0x180
[ 2915.212177]  should_failslab+0x5/0x10
[ 2915.216007]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2915.221122]  __kmalloc_node+0x38/0x70
[ 2915.224929]  blk_mq_alloc_tag_set+0x3c2/0xa30
[ 2915.229440]  nbd_dev_add+0x297/0x890
[ 2915.233167]  nbd_genl_connect+0x4cc/0x1630
20:05:30 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

[ 2915.237412]  ? nbd_xmit_timeout+0x730/0x730
[ 2915.241751]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2915.246950]  ? validate_nla+0x270/0x820
[ 2915.250934]  ? nla_parse+0x1b2/0x290
[ 2915.254657]  genl_family_rcv_msg+0x642/0xc40
[ 2915.259077]  ? genl_rcv+0x40/0x40
[ 2915.262529]  ? genl_rcv_msg+0x12f/0x160
[ 2915.266504]  ? mutex_trylock+0x1a0/0x1a0
[ 2915.270580]  ? __radix_tree_lookup+0x216/0x370
[ 2915.275174]  genl_rcv_msg+0xbf/0x160
[ 2915.278899]  netlink_rcv_skb+0x160/0x440
[ 2915.282967]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2915.287545]  ? netlink_ack+0xae0/0xae0
[ 2915.291429]  ? genl_rcv+0x15/0x40
[ 2915.294880]  genl_rcv+0x24/0x40
[ 2915.298151]  netlink_unicast+0x4d5/0x690
[ 2915.302198]  ? netlink_sendskb+0x110/0x110
[ 2915.306419]  ? _copy_from_iter_full+0x229/0x7c0
[ 2915.311072]  ? __phys_addr_symbol+0x2c/0x70
[ 2915.315380]  ? __check_object_size+0x17b/0x3e0
[ 2915.319946]  netlink_sendmsg+0x6c3/0xc50
[ 2915.323995]  ? aa_af_perm+0x230/0x230
[ 2915.327779]  ? nlmsg_notify+0x1f0/0x1f0
[ 2915.331744]  ? kernel_recvmsg+0x220/0x220
[ 2915.335890]  ? nlmsg_notify+0x1f0/0x1f0
[ 2915.339848]  sock_sendmsg+0xc3/0x120
[ 2915.343545]  ___sys_sendmsg+0x7bb/0x8e0
[ 2915.347507]  ? check_preemption_disabled+0x41/0x280
[ 2915.352626]  ? copy_msghdr_from_user+0x440/0x440
[ 2915.357431]  ? __fget+0x32f/0x510
[ 2915.360892]  ? lock_downgrade+0x720/0x720
[ 2915.365037]  ? check_preemption_disabled+0x41/0x280
[ 2915.370150]  ? check_preemption_disabled+0x41/0x280
[ 2915.375158]  ? __fget+0x356/0x510
[ 2915.378597]  ? do_dup2+0x450/0x450
[ 2915.382127]  ? lock_downgrade+0x720/0x720
[ 2915.386266]  ? vfs_write+0x3d7/0x540
[ 2915.389965]  ? __fdget+0x1d0/0x230
[ 2915.393491]  __x64_sys_sendmsg+0x132/0x220
[ 2915.397709]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2915.401752]  ? vfs_write+0x393/0x540
[ 2915.405463]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2915.410815]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2915.415816]  ? do_syscall_64+0x21/0x620
[ 2915.419801]  do_syscall_64+0xf9/0x620
[ 2915.423589]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2915.428766] RIP: 0033:0x7f94918ab199
[ 2915.432461] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2915.454996] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2915.462689] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2915.469949] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2915.477208] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
20:05:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
sendmsg$L2TP_CMD_NOOP(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x6}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0xc080)

20:05:30 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 9)

20:05:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x800}, 0x0)

[ 2915.484468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2915.491719] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
[ 2915.509212] nbd: failed to add new device
20:05:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x8, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:30 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x800}, 0x0)

[ 2915.573179] FAULT_INJECTION: forcing a failure.
[ 2915.573179] name failslab, interval 1, probability 0, space 0, times 0
[ 2915.617077] CPU: 0 PID: 13710 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2915.624991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2915.634347] Call Trace:
[ 2915.636941]  dump_stack+0x1fc/0x2ef
[ 2915.640580]  should_fail.cold+0xa/0xf
[ 2915.644394]  ? setup_fault_attr+0x200/0x200
[ 2915.648721]  ? lock_acquire+0x170/0x3c0
[ 2915.652706]  __should_failslab+0x115/0x180
[ 2915.656956]  should_failslab+0x5/0x10
[ 2915.660760]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2915.665870]  blk_mq_init_tags+0x6a/0x2b0
[ 2915.669943]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2915.674277]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2915.678779]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2915.683287]  nbd_dev_add+0x297/0x890
[ 2915.687009]  nbd_genl_connect+0x4cc/0x1630
[ 2915.691260]  ? nbd_xmit_timeout+0x730/0x730
[ 2915.695587]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2915.700785]  ? validate_nla+0x270/0x820
[ 2915.704772]  ? nla_parse+0x1b2/0x290
[ 2915.708495]  genl_family_rcv_msg+0x642/0xc40
[ 2915.712915]  ? genl_rcv+0x40/0x40
[ 2915.716373]  ? genl_rcv_msg+0x12f/0x160
[ 2915.720354]  ? mutex_trylock+0x1a0/0x1a0
[ 2915.724429]  ? __radix_tree_lookup+0x216/0x370
[ 2915.729024]  genl_rcv_msg+0xbf/0x160
[ 2915.732747]  netlink_rcv_skb+0x160/0x440
[ 2915.736815]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2915.741403]  ? netlink_ack+0xae0/0xae0
[ 2915.745299]  ? genl_rcv+0x15/0x40
[ 2915.748758]  genl_rcv+0x24/0x40
[ 2915.752044]  netlink_unicast+0x4d5/0x690
[ 2915.756123]  ? netlink_sendskb+0x110/0x110
[ 2915.760361]  ? _copy_from_iter_full+0x229/0x7c0
[ 2915.765036]  ? __phys_addr_symbol+0x2c/0x70
[ 2915.769374]  ? __check_object_size+0x17b/0x3e0
[ 2915.773971]  netlink_sendmsg+0x6c3/0xc50
[ 2915.778042]  ? aa_af_perm+0x230/0x230
[ 2915.781851]  ? nlmsg_notify+0x1f0/0x1f0
[ 2915.785832]  ? kernel_recvmsg+0x220/0x220
[ 2915.790002]  ? nlmsg_notify+0x1f0/0x1f0
[ 2915.793985]  sock_sendmsg+0xc3/0x120
[ 2915.797702]  ___sys_sendmsg+0x7bb/0x8e0
[ 2915.801689]  ? check_preemption_disabled+0x41/0x280
[ 2915.806710]  ? copy_msghdr_from_user+0x440/0x440
[ 2915.811472]  ? __fget+0x32f/0x510
[ 2915.814923]  ? lock_downgrade+0x720/0x720
[ 2915.819063]  ? check_preemption_disabled+0x41/0x280
[ 2915.824080]  ? check_preemption_disabled+0x41/0x280
[ 2915.829090]  ? __fget+0x356/0x510
[ 2915.832527]  ? do_dup2+0x450/0x450
[ 2915.836049]  ? lock_downgrade+0x720/0x720
[ 2915.840188]  ? vfs_write+0x3d7/0x540
[ 2915.843902]  ? __fdget+0x1d0/0x230
[ 2915.847448]  __x64_sys_sendmsg+0x132/0x220
[ 2915.851682]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2915.855739]  ? vfs_write+0x393/0x540
[ 2915.859446]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2915.864805]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2915.869822]  ? do_syscall_64+0x21/0x620
[ 2915.873789]  do_syscall_64+0xf9/0x620
[ 2915.877593]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2915.882772] RIP: 0033:0x7f94918ab199
[ 2915.886474] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2915.905373] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
20:05:31 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x800}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000000)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x800}, 0x0) (async)

[ 2915.913085] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2915.920358] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2915.927621] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2915.934891] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2915.942160] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
[ 2915.960722] blk-mq: reduced tag depth (128 -> 64)
20:05:31 executing program 4:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
r1 = syz_open_pts(r0, 0x0)
ioctl$TCSETA(r0, 0x5406, &(0x7f0000000000)={0x3, 0x400, 0x4, 0x1, 0x1, "2133b4baa1e5fefa"})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000040)=0x7)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
socket(0x26, 0xa, 0x8)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x44, 0x0, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x5f, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4805}, 0xc040)

[ 2915.980214] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2915.989916] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0xf, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 10)

20:05:31 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:31 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c00", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:31 executing program 4:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
r1 = syz_open_pts(r0, 0x0) (async)
ioctl$TCSETA(r0, 0x5406, &(0x7f0000000000)={0x3, 0x400, 0x4, 0x1, 0x1, "2133b4baa1e5fefa"})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async)
ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000040)=0x7) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async)
socket(0x26, 0xa, 0x8) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x44, 0x0, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x5f, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4805}, 0xc040)

[ 2916.104959] nbd: must specify at least one socket
20:05:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

[ 2916.128222] FAULT_INJECTION: forcing a failure.
[ 2916.128222] name failslab, interval 1, probability 0, space 0, times 0
[ 2916.154644] CPU: 1 PID: 13758 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2916.162553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2916.171916] Call Trace:
[ 2916.174514]  dump_stack+0x1fc/0x2ef
[ 2916.178424]  should_fail.cold+0xa/0xf
[ 2916.182239]  ? setup_fault_attr+0x200/0x200
[ 2916.186571]  ? lock_acquire+0x170/0x3c0
[ 2916.190567]  __should_failslab+0x115/0x180
[ 2916.194812]  should_failslab+0x5/0x10
[ 2916.198627]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2916.203741]  __kmalloc_node+0x38/0x70
[ 2916.207549]  sbitmap_init_node+0x123/0x440
[ 2916.211795]  sbitmap_queue_init_node+0x37/0x6c0
[ 2916.216468]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 2916.221500]  blk_mq_init_tags+0x10d/0x2b0
[ 2916.225660]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2916.229998]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2916.234499]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2916.239012]  nbd_dev_add+0x297/0x890
[ 2916.242740]  nbd_genl_connect+0x4cc/0x1630
[ 2916.246993]  ? nbd_xmit_timeout+0x730/0x730
[ 2916.251324]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2916.256524]  ? validate_nla+0x270/0x820
[ 2916.260596]  ? nla_parse+0x1b2/0x290
[ 2916.264321]  genl_family_rcv_msg+0x642/0xc40
[ 2916.268750]  ? genl_rcv+0x40/0x40
[ 2916.272204]  ? genl_rcv_msg+0x12f/0x160
20:05:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x60, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:31 executing program 4:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
r1 = syz_open_pts(r0, 0x0)
ioctl$TCSETA(r0, 0x5406, &(0x7f0000000000)={0x3, 0x400, 0x4, 0x1, 0x1, "2133b4baa1e5fefa"})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000040)=0x7)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
socket(0x26, 0xa, 0x8)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x44, 0x0, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x5f, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4805}, 0xc040)
openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) (async)
syz_open_pts(r0, 0x0) (async)
ioctl$TCSETA(r0, 0x5406, &(0x7f0000000000)={0x3, 0x400, 0x4, 0x1, 0x1, "2133b4baa1e5fefa"}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async)
ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000040)=0x7) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async)
socket(0x26, 0xa, 0x8) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x44, 0x0, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x5f, 0x3, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4805}, 0xc040) (async)

[ 2916.276185]  ? mutex_trylock+0x1a0/0x1a0
[ 2916.280262]  ? __radix_tree_lookup+0x216/0x370
[ 2916.284863]  genl_rcv_msg+0xbf/0x160
[ 2916.288586]  netlink_rcv_skb+0x160/0x440
[ 2916.292655]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2916.297247]  ? netlink_ack+0xae0/0xae0
[ 2916.301140]  ? genl_rcv+0x15/0x40
[ 2916.304609]  genl_rcv+0x24/0x40
[ 2916.307899]  netlink_unicast+0x4d5/0x690
[ 2916.311974]  ? netlink_sendskb+0x110/0x110
[ 2916.316217]  ? _copy_from_iter_full+0x229/0x7c0
[ 2916.320895]  ? __phys_addr_symbol+0x2c/0x70
[ 2916.325224]  ? __check_object_size+0x17b/0x3e0
[ 2916.329817]  netlink_sendmsg+0x6c3/0xc50
[ 2916.333889]  ? aa_af_perm+0x230/0x230
[ 2916.337696]  ? nlmsg_notify+0x1f0/0x1f0
[ 2916.341676]  ? kernel_recvmsg+0x220/0x220
[ 2916.345845]  ? nlmsg_notify+0x1f0/0x1f0
[ 2916.349814]  sock_sendmsg+0xc3/0x120
[ 2916.353525]  ___sys_sendmsg+0x7bb/0x8e0
[ 2916.357488]  ? check_preemption_disabled+0x41/0x280
[ 2916.362489]  ? copy_msghdr_from_user+0x440/0x440
[ 2916.367248]  ? __fget+0x32f/0x510
[ 2916.370694]  ? lock_downgrade+0x720/0x720
[ 2916.374833]  ? check_preemption_disabled+0x41/0x280
[ 2916.379852]  ? check_preemption_disabled+0x41/0x280
[ 2916.384855]  ? __fget+0x356/0x510
[ 2916.388293]  ? do_dup2+0x450/0x450
[ 2916.391832]  ? lock_downgrade+0x720/0x720
[ 2916.395967]  ? vfs_write+0x3d7/0x540
[ 2916.399681]  ? __fdget+0x1d0/0x230
[ 2916.403219]  __x64_sys_sendmsg+0x132/0x220
[ 2916.407440]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2916.411481]  ? vfs_write+0x393/0x540
[ 2916.415185]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2916.420533]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2916.425532]  ? do_syscall_64+0x21/0x620
[ 2916.429490]  do_syscall_64+0xf9/0x620
[ 2916.433278]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2916.438448] RIP: 0033:0x7f94918ab199
[ 2916.442151] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2916.461045] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2916.468743] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2916.475997] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2916.483270] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2916.490525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2916.497777] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
[ 2916.510296] blk-mq: reduced tag depth (128 -> 64)
20:05:31 executing program 4:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r0, 0x0)
ioctl$TIOCCONS(r0, 0x541d)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x20000000}, 0x4001)

20:05:32 executing program 4:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r0, 0x0) (async)
ioctl$TIOCCONS(r0, 0x541d) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x20000000}, 0x4001)

[ 2916.545456] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2916.569146] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
20:05:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 11)

20:05:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x300, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:32 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c00", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:32 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c00", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:32 executing program 4:
r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r0, 0x0)
ioctl$TIOCCONS(r0, 0x541d)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x20000000}, 0x4001)
openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) (async)
syz_open_pts(r0, 0x0) (async)
ioctl$TIOCCONS(r0, 0x541d) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x0, 0x20000000}, 0x4001) (async)

20:05:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2916.732337] FAULT_INJECTION: forcing a failure.
[ 2916.732337] name failslab, interval 1, probability 0, space 0, times 0
[ 2916.760330] CPU: 0 PID: 13822 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2916.768241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2916.777611] Call Trace:
[ 2916.780216]  dump_stack+0x1fc/0x2ef
[ 2916.783859]  should_fail.cold+0xa/0xf
[ 2916.787673]  ? setup_fault_attr+0x200/0x200
[ 2916.792000]  ? lock_acquire+0x170/0x3c0
[ 2916.795989]  ? dev_uevent_filter+0xd0/0xd0
[ 2916.800225]  __should_failslab+0x115/0x180
[ 2916.804471]  should_failslab+0x5/0x10
[ 2916.808275]  kmem_cache_alloc_trace+0x284/0x380
[ 2916.812953]  ? dev_uevent_filter+0xd0/0xd0
[ 2916.817192]  kobject_uevent_env+0x236/0x1480
[ 2916.821612]  ? wait_for_completion_io+0x10/0x10
[ 2916.826285]  ? is_acpi_device_node+0x6a/0x80
[ 2916.830693]  ? acpi_unbind_one+0x430/0x430
[ 2916.834936]  device_del+0x69e/0xaf0
[ 2916.838572]  ? device_link_remove+0x100/0x100
[ 2916.843079]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2916.847669]  ? _raw_spin_unlock_irq+0x5a/0x80
[ 2916.852171]  del_gendisk+0x6bd/0xa80
[ 2916.855920]  ? disk_events_poll_msecs_store+0x1a0/0x1a0
[ 2916.861290]  ? refcount_dec_and_mutex_lock+0x31/0x80
[ 2916.866513]  ? nbd_config_put+0x5da/0x870
[ 2916.870673]  nbd_put.part.0+0xae/0x140
[ 2916.874566]  nbd_genl_connect+0x120e/0x1630
[ 2916.878903]  ? nbd_xmit_timeout+0x730/0x730
[ 2916.883231]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2916.888425]  ? validate_nla+0x270/0x820
[ 2916.892406]  ? nla_parse+0x1b2/0x290
[ 2916.896124]  genl_family_rcv_msg+0x642/0xc40
[ 2916.900542]  ? genl_rcv+0x40/0x40
[ 2916.903997]  ? genl_rcv_msg+0x12f/0x160
[ 2916.907973]  ? mutex_trylock+0x1a0/0x1a0
[ 2916.912046]  ? __radix_tree_lookup+0x216/0x370
[ 2916.916645]  genl_rcv_msg+0xbf/0x160
[ 2916.920372]  netlink_rcv_skb+0x160/0x440
[ 2916.924441]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2916.929030]  ? netlink_ack+0xae0/0xae0
[ 2916.932924]  ? genl_rcv+0x15/0x40
[ 2916.936388]  genl_rcv+0x24/0x40
[ 2916.939680]  netlink_unicast+0x4d5/0x690
[ 2916.943750]  ? netlink_sendskb+0x110/0x110
[ 2916.948019]  ? _copy_from_iter_full+0x229/0x7c0
[ 2916.952789]  ? __phys_addr_symbol+0x2c/0x70
[ 2916.957119]  ? __check_object_size+0x17b/0x3e0
[ 2916.961708]  netlink_sendmsg+0x6c3/0xc50
[ 2916.965778]  ? aa_af_perm+0x230/0x230
[ 2916.969586]  ? nlmsg_notify+0x1f0/0x1f0
[ 2916.973560]  ? kernel_recvmsg+0x220/0x220
[ 2916.977723]  ? nlmsg_notify+0x1f0/0x1f0
[ 2916.981703]  sock_sendmsg+0xc3/0x120
[ 2916.985421]  ___sys_sendmsg+0x7bb/0x8e0
[ 2916.989408]  ? check_preemption_disabled+0x41/0x280
[ 2916.994432]  ? copy_msghdr_from_user+0x440/0x440
[ 2916.999191]  ? __fget+0x32f/0x510
[ 2917.002641]  ? lock_downgrade+0x720/0x720
[ 2917.006839]  ? check_preemption_disabled+0x41/0x280
[ 2917.011845]  ? check_preemption_disabled+0x41/0x280
[ 2917.016859]  ? __fget+0x356/0x510
[ 2917.020307]  ? do_dup2+0x450/0x450
[ 2917.023842]  ? lock_downgrade+0x720/0x720
[ 2917.028000]  ? vfs_write+0x3d7/0x540
[ 2917.031698]  ? __fdget+0x1d0/0x230
[ 2917.035234]  __x64_sys_sendmsg+0x132/0x220
[ 2917.039467]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2917.043520]  ? vfs_write+0x393/0x540
[ 2917.047243]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2917.052599]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2917.057617]  ? do_syscall_64+0x21/0x620
[ 2917.061603]  do_syscall_64+0xf9/0x620
[ 2917.065394]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2917.070566] RIP: 0033:0x7f94918ab199
[ 2917.074274] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2917.093172] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2917.100870] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2917.108124] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2917.115485] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2917.122747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
20:05:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
ioctl$TUNSETVNETBE(r1, 0x400454de, &(0x7f0000000040)=0x1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

[ 2917.130000] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:32 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 12)

20:05:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x500, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
ioctl$TUNSETVNETBE(r1, 0x400454de, &(0x7f0000000040)=0x1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

20:05:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
ioctl$TUNSETVNETBE(r1, 0x400454de, &(0x7f0000000040)=0x1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

20:05:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x600, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2917.259421] nbd: must specify at least one socket
20:05:32 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), r1)
sendmsg$L2TP_CMD_SESSION_CREATE(r1, &(0x7f0000000440)={&(0x7f00000002c0), 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_CONN_ID={0x8}]}, 0x30}}, 0x0)
r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x60600)
sendmsg$L2TP_CMD_TUNNEL_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'team0\x00'}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @empty}, @L2TP_ATTR_FD={0x8, 0x17, @l2tp6=r4}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004040}, 0x4000)

20:05:32 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2917.308696] FAULT_INJECTION: forcing a failure.
[ 2917.308696] name failslab, interval 1, probability 0, space 0, times 0
[ 2917.346101] CPU: 1 PID: 13869 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2917.354003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2917.363363] Call Trace:
[ 2917.365961]  dump_stack+0x1fc/0x2ef
[ 2917.369601]  should_fail.cold+0xa/0xf
[ 2917.373415]  ? setup_fault_attr+0x200/0x200
[ 2917.377748]  ? lock_acquire+0x170/0x3c0
[ 2917.381736]  __should_failslab+0x115/0x180
[ 2917.385980]  should_failslab+0x5/0x10
[ 2917.389781]  __kmalloc+0x2ab/0x3c0
[ 2917.393324]  ? kobject_get_path+0xbf/0x240
[ 2917.397570]  kobject_get_path+0xbf/0x240
[ 2917.401650]  kobject_uevent_env+0x25c/0x1480
[ 2917.406069]  ? is_acpi_device_node+0x6a/0x80
[ 2917.410493]  ? acpi_unbind_one+0x430/0x430
[ 2917.414749]  device_del+0x69e/0xaf0
[ 2917.418388]  ? device_link_remove+0x100/0x100
[ 2917.422894]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2917.427485]  ? _raw_spin_unlock_irq+0x5a/0x80
[ 2917.432013]  del_gendisk+0x6bd/0xa80
[ 2917.435733]  ? disk_events_poll_msecs_store+0x1a0/0x1a0
[ 2917.441120]  ? refcount_dec_and_mutex_lock+0x31/0x80
[ 2917.446239]  ? nbd_config_put+0x5da/0x870
[ 2917.450404]  nbd_put.part.0+0xae/0x140
[ 2917.454298]  nbd_genl_connect+0x120e/0x1630
[ 2917.458634]  ? nbd_xmit_timeout+0x730/0x730
[ 2917.462962]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2917.468149]  ? validate_nla+0x270/0x820
[ 2917.472111]  ? nla_parse+0x1b2/0x290
[ 2917.475813]  genl_family_rcv_msg+0x642/0xc40
[ 2917.480232]  ? genl_rcv+0x40/0x40
[ 2917.483773]  ? genl_rcv_msg+0x12f/0x160
[ 2917.487734]  ? mutex_trylock+0x1a0/0x1a0
[ 2917.491786]  ? __radix_tree_lookup+0x216/0x370
[ 2917.496371]  genl_rcv_msg+0xbf/0x160
[ 2917.500083]  netlink_rcv_skb+0x160/0x440
[ 2917.504128]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2917.508703]  ? netlink_ack+0xae0/0xae0
[ 2917.512590]  ? genl_rcv+0x15/0x40
[ 2917.516040]  genl_rcv+0x24/0x40
[ 2917.519329]  netlink_unicast+0x4d5/0x690
[ 2917.523374]  ? netlink_sendskb+0x110/0x110
[ 2917.527589]  ? _copy_from_iter_full+0x229/0x7c0
[ 2917.532239]  ? __phys_addr_symbol+0x2c/0x70
[ 2917.536563]  ? __check_object_size+0x17b/0x3e0
[ 2917.541144]  netlink_sendmsg+0x6c3/0xc50
[ 2917.545198]  ? aa_af_perm+0x230/0x230
[ 2917.548980]  ? nlmsg_notify+0x1f0/0x1f0
[ 2917.552934]  ? kernel_recvmsg+0x220/0x220
[ 2917.557070]  ? nlmsg_notify+0x1f0/0x1f0
[ 2917.561029]  sock_sendmsg+0xc3/0x120
[ 2917.564729]  ___sys_sendmsg+0x7bb/0x8e0
[ 2917.568708]  ? check_preemption_disabled+0x41/0x280
[ 2917.573708]  ? copy_msghdr_from_user+0x440/0x440
[ 2917.578709]  ? __fget+0x32f/0x510
[ 2917.582150]  ? lock_downgrade+0x720/0x720
[ 2917.586279]  ? check_preemption_disabled+0x41/0x280
[ 2917.591281]  ? check_preemption_disabled+0x41/0x280
[ 2917.596278]  ? __fget+0x356/0x510
[ 2917.599814]  ? do_dup2+0x450/0x450
[ 2917.603350]  ? lock_downgrade+0x720/0x720
[ 2917.607480]  ? vfs_write+0x3d7/0x540
[ 2917.611179]  ? __fdget+0x1d0/0x230
[ 2917.614702]  __x64_sys_sendmsg+0x132/0x220
[ 2917.618942]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2917.623001]  ? vfs_write+0x393/0x540
[ 2917.626708]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2917.632067]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2917.637084]  ? do_syscall_64+0x21/0x620
[ 2917.641043]  do_syscall_64+0xf9/0x620
[ 2917.644853]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2917.650039] RIP: 0033:0x7f94918ab199
[ 2917.654002] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2917.672895] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2917.680584] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2917.687834] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2917.695083] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2917.702352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2917.709610] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x700, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:33 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async)
r1 = socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), r1)
sendmsg$L2TP_CMD_SESSION_CREATE(r1, &(0x7f0000000440)={&(0x7f00000002c0), 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_CONN_ID={0x8}]}, 0x30}}, 0x0) (async)
r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x60600)
sendmsg$L2TP_CMD_TUNNEL_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'team0\x00'}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @empty}, @L2TP_ATTR_FD={0x8, 0x17, @l2tp6=r4}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004040}, 0x4000)

20:05:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 13)

20:05:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:33 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$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000cec"], 0x1c}}, 0x0)

20:05:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff) (async)
r3 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180), r1)
sendmsg$L2TP_CMD_SESSION_CREATE(r1, &(0x7f0000000440)={&(0x7f00000002c0), 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r3, 0x1, 0x0, 0x0, {}, [@L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_CONN_ID={0x8}]}, 0x30}}, 0x0) (async, rerun: 64)
r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x60600) (rerun: 64)
sendmsg$L2TP_CMD_TUNNEL_GET(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'team0\x00'}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @empty}, @L2TP_ATTR_FD={0x8, 0x17, @l2tp6=r4}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004040}, 0x4000)

20:05:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2917.888209] nbd: must specify at least one socket
20:05:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0xf00, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2917.928052] FAULT_INJECTION: forcing a failure.
[ 2917.928052] name failslab, interval 1, probability 0, space 0, times 0
[ 2917.960995] CPU: 0 PID: 13923 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2917.968898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2917.978332] Call Trace:
[ 2917.980933]  dump_stack+0x1fc/0x2ef
[ 2917.984576]  should_fail.cold+0xa/0xf
[ 2917.988385]  ? setup_fault_attr+0x200/0x200
[ 2917.992717]  ? lock_acquire+0x170/0x3c0
[ 2917.996711]  __should_failslab+0x115/0x180
[ 2918.000959]  should_failslab+0x5/0x10
[ 2918.004765]  __kmalloc+0x2ab/0x3c0
[ 2918.008312]  ? kobject_get_path+0xbf/0x240
[ 2918.012561]  kobject_get_path+0xbf/0x240
[ 2918.016637]  kobject_uevent_env+0x25c/0x1480
[ 2918.021153]  ? is_acpi_device_node+0x6a/0x80
[ 2918.025566]  ? acpi_unbind_one+0x430/0x430
[ 2918.029809]  device_del+0x69e/0xaf0
[ 2918.033450]  ? device_link_remove+0x100/0x100
[ 2918.037970]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2918.042564]  ? _raw_spin_unlock_irq+0x5a/0x80
[ 2918.047062]  del_gendisk+0x6bd/0xa80
[ 2918.050786]  ? disk_events_poll_msecs_store+0x1a0/0x1a0
[ 2918.056157]  ? refcount_dec_and_mutex_lock+0x31/0x80
[ 2918.061267]  ? nbd_config_put+0x5da/0x870
[ 2918.065432]  nbd_put.part.0+0xae/0x140
[ 2918.069335]  nbd_genl_connect+0x120e/0x1630
[ 2918.073672]  ? nbd_xmit_timeout+0x730/0x730
[ 2918.077995]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2918.083183]  ? validate_nla+0x270/0x820
[ 2918.087163]  ? nla_parse+0x1b2/0x290
[ 2918.090873]  genl_family_rcv_msg+0x642/0xc40
[ 2918.095273]  ? genl_rcv+0x40/0x40
[ 2918.098722]  ? genl_rcv_msg+0x12f/0x160
[ 2918.102695]  ? mutex_trylock+0x1a0/0x1a0
[ 2918.106749]  ? __radix_tree_lookup+0x216/0x370
[ 2918.111332]  genl_rcv_msg+0xbf/0x160
[ 2918.115066]  netlink_rcv_skb+0x160/0x440
[ 2918.119152]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2918.123735]  ? netlink_ack+0xae0/0xae0
[ 2918.127609]  ? genl_rcv+0x15/0x40
[ 2918.131061]  genl_rcv+0x24/0x40
[ 2918.134346]  netlink_unicast+0x4d5/0x690
[ 2918.138421]  ? netlink_sendskb+0x110/0x110
[ 2918.142644]  ? _copy_from_iter_full+0x229/0x7c0
[ 2918.147297]  ? __phys_addr_symbol+0x2c/0x70
[ 2918.151603]  ? __check_object_size+0x17b/0x3e0
[ 2918.156174]  netlink_sendmsg+0x6c3/0xc50
[ 2918.160243]  ? aa_af_perm+0x230/0x230
[ 2918.164034]  ? nlmsg_notify+0x1f0/0x1f0
[ 2918.167995]  ? kernel_recvmsg+0x220/0x220
[ 2918.172142]  ? nlmsg_notify+0x1f0/0x1f0
[ 2918.176115]  sock_sendmsg+0xc3/0x120
[ 2918.179831]  ___sys_sendmsg+0x7bb/0x8e0
[ 2918.183795]  ? check_preemption_disabled+0x41/0x280
[ 2918.188799]  ? copy_msghdr_from_user+0x440/0x440
[ 2918.193548]  ? __fget+0x32f/0x510
[ 2918.197006]  ? lock_downgrade+0x720/0x720
[ 2918.201150]  ? check_preemption_disabled+0x41/0x280
[ 2918.206186]  ? check_preemption_disabled+0x41/0x280
[ 2918.211203]  ? __fget+0x356/0x510
[ 2918.214661]  ? do_dup2+0x450/0x450
[ 2918.218186]  ? lock_downgrade+0x720/0x720
[ 2918.222328]  ? vfs_write+0x3d7/0x540
[ 2918.226039]  ? __fdget+0x1d0/0x230
[ 2918.229567]  __x64_sys_sendmsg+0x132/0x220
[ 2918.233801]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2918.237862]  ? vfs_write+0x393/0x540
[ 2918.241618]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2918.246995]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2918.251997]  ? do_syscall_64+0x21/0x620
[ 2918.255968]  do_syscall_64+0xf9/0x620
[ 2918.259766]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2918.264935] RIP: 0033:0x7f94918ab199
[ 2918.268631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2918.287601] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2918.295478] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2918.302763] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2918.310037] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2918.317309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2918.324580] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 14)

20:05:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x2000, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

[ 2918.437232] nbd: must specify at least one socket
20:05:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, 0x0, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:33 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

20:05:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x6000, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2918.476756] nbd: must specify at least one socket
[ 2918.492849] FAULT_INJECTION: forcing a failure.
[ 2918.492849] name failslab, interval 1, probability 0, space 0, times 0
[ 2918.547542] CPU: 1 PID: 13961 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2918.555457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2918.564815] Call Trace:
[ 2918.567423]  dump_stack+0x1fc/0x2ef
[ 2918.571069]  should_fail.cold+0xa/0xf
[ 2918.574882]  ? setup_fault_attr+0x200/0x200
[ 2918.579216]  ? __lockdep_init_map+0x100/0x5a0
[ 2918.583732]  __should_failslab+0x115/0x180
[ 2918.587979]  should_failslab+0x5/0x10
[ 2918.591794]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2918.596910]  __kmalloc_node+0x38/0x70
[ 2918.600727]  blk_mq_alloc_rq_map+0x120/0x230
[ 2918.605148]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2918.609653]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2918.614167]  nbd_dev_add+0x297/0x890
[ 2918.617896]  nbd_genl_connect+0x4cc/0x1630
[ 2918.622146]  ? nbd_xmit_timeout+0x730/0x730
[ 2918.626478]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2918.631674]  ? validate_nla+0x270/0x820
[ 2918.635671]  ? nla_parse+0x1b2/0x290
[ 2918.639403]  genl_family_rcv_msg+0x642/0xc40
[ 2918.643828]  ? genl_rcv+0x40/0x40
[ 2918.647287]  ? genl_rcv_msg+0x12f/0x160
[ 2918.651267]  ? mutex_trylock+0x1a0/0x1a0
[ 2918.655342]  ? __radix_tree_lookup+0x216/0x370
[ 2918.659944]  genl_rcv_msg+0xbf/0x160
[ 2918.663665]  netlink_rcv_skb+0x160/0x440
[ 2918.667734]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2918.672321]  ? netlink_ack+0xae0/0xae0
[ 2918.676215]  ? genl_rcv+0x15/0x40
[ 2918.679684]  genl_rcv+0x24/0x40
[ 2918.682969]  netlink_unicast+0x4d5/0x690
[ 2918.687037]  ? netlink_sendskb+0x110/0x110
[ 2918.691271]  ? _copy_from_iter_full+0x229/0x7c0
[ 2918.695945]  ? __phys_addr_symbol+0x2c/0x70
[ 2918.700251]  ? __check_object_size+0x17b/0x3e0
[ 2918.704819]  netlink_sendmsg+0x6c3/0xc50
[ 2918.708863]  ? aa_af_perm+0x230/0x230
[ 2918.712647]  ? nlmsg_notify+0x1f0/0x1f0
[ 2918.716601]  ? kernel_recvmsg+0x220/0x220
[ 2918.720750]  ? nlmsg_notify+0x1f0/0x1f0
[ 2918.724725]  sock_sendmsg+0xc3/0x120
[ 2918.728432]  ___sys_sendmsg+0x7bb/0x8e0
[ 2918.732392]  ? check_preemption_disabled+0x41/0x280
[ 2918.737391]  ? copy_msghdr_from_user+0x440/0x440
[ 2918.742132]  ? __fget+0x32f/0x510
[ 2918.745572]  ? lock_downgrade+0x720/0x720
[ 2918.749703]  ? check_preemption_disabled+0x41/0x280
[ 2918.754703]  ? check_preemption_disabled+0x41/0x280
[ 2918.759705]  ? __fget+0x356/0x510
[ 2918.763151]  ? do_dup2+0x450/0x450
[ 2918.766674]  ? lock_downgrade+0x720/0x720
[ 2918.770802]  ? vfs_write+0x3d7/0x540
[ 2918.774503]  ? __fdget+0x1d0/0x230
[ 2918.778030]  __x64_sys_sendmsg+0x132/0x220
[ 2918.782247]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2918.786290]  ? vfs_write+0x393/0x540
[ 2918.789992]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2918.795337]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2918.800336]  ? do_syscall_64+0x21/0x620
[ 2918.804292]  do_syscall_64+0xf9/0x620
[ 2918.808081]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2918.813251] RIP: 0033:0x7f94918ab199
[ 2918.817105] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2918.835995] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
20:05:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)

[ 2918.843689] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2918.850941] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2918.858202] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2918.865472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2918.872739] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
[ 2918.891251] blk-mq: reduced tag depth (128 -> 64)
20:05:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0)
r7 = socket(0x3, 0x800, 0x9)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x48001)

20:05:34 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x3c, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x30000, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 15)

20:05:34 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:34 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) (async, rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0) (async)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0) (async)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0) (async)
r7 = socket(0x3, 0x800, 0x9)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x48001)

20:05:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x34000, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2919.055072] nbd: must specify at least one socket
[ 2919.065315] FAULT_INJECTION: forcing a failure.
[ 2919.065315] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2919.115119] CPU: 0 PID: 14007 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
[ 2919.123028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2919.132378] Call Trace:
[ 2919.134974]  dump_stack+0x1fc/0x2ef
[ 2919.138618]  should_fail.cold+0xa/0xf
[ 2919.142422]  ? setup_fault_attr+0x200/0x200
[ 2919.146751]  __alloc_pages_nodemask+0x239/0x2890
[ 2919.151514]  ? kasan_kmalloc+0x139/0x160
[ 2919.155605]  ? __kmalloc_node+0x4c/0x70
[ 2919.159592]  ? blk_mq_alloc_rq_map+0x120/0x230
[ 2919.164189]  ? __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2919.168862]  ? blk_mq_alloc_tag_set+0x589/0xa30
[ 2919.173637]  ? nbd_dev_add+0x297/0x890
[ 2919.177532]  ? nbd_genl_connect+0x4cc/0x1630
[ 2919.182035]  ? genl_family_rcv_msg+0x642/0xc40
[ 2919.186625]  ? genl_rcv+0x24/0x40
[ 2919.190082]  ? netlink_unicast+0x4d5/0x690
[ 2919.194321]  ? netlink_sendmsg+0x6c3/0xc50
[ 2919.200046]  ? __x64_sys_sendmsg+0x132/0x220
[ 2919.204462]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2919.209828]  ? should_fail+0x142/0x7b0
[ 2919.213720]  ? fs_reclaim_release+0xd0/0x110
[ 2919.218135]  ? gfp_pfmemalloc_allowed+0x150/0x150
[ 2919.222990]  ? setup_fault_attr+0x200/0x200
[ 2919.227321]  ? lock_acquire+0x170/0x3c0
[ 2919.231309]  ? check_preemption_disabled+0x41/0x280
[ 2919.236345]  ? should_fail+0x142/0x7b0
[ 2919.240263]  ? setup_fault_attr+0x200/0x200
[ 2919.244592]  ? __lockdep_init_map+0x100/0x5a0
[ 2919.249213]  ? find_next_bit+0x105/0x130
[ 2919.253291]  ? __cpu_to_node+0x7b/0xa0
[ 2919.257297]  ? blk_mq_hw_queue_to_node+0xc1/0x100
[ 2919.262158]  blk_mq_alloc_rqs+0x242/0x800
[ 2919.266328]  ? blk_mq_alloc_rq_map+0xaa/0x230
[ 2919.270833]  __blk_mq_alloc_rq_map+0x15b/0x3b0
[ 2919.275430]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2919.279942]  nbd_dev_add+0x297/0x890
[ 2919.283665]  nbd_genl_connect+0x4cc/0x1630
[ 2919.287911]  ? nbd_xmit_timeout+0x730/0x730
[ 2919.292281]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2919.298436]  ? validate_nla+0x270/0x820
[ 2919.302424]  ? nla_parse+0x1b2/0x290
[ 2919.306160]  genl_family_rcv_msg+0x642/0xc40
[ 2919.310579]  ? genl_rcv+0x40/0x40
[ 2919.314034]  ? genl_rcv_msg+0x12f/0x160
[ 2919.318015]  ? mutex_trylock+0x1a0/0x1a0
[ 2919.322092]  ? __radix_tree_lookup+0x216/0x370
[ 2919.326685]  genl_rcv_msg+0xbf/0x160
[ 2919.330409]  netlink_rcv_skb+0x160/0x440
[ 2919.334479]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2919.339069]  ? netlink_ack+0xae0/0xae0
[ 2919.342965]  ? genl_rcv+0x15/0x40
[ 2919.346427]  genl_rcv+0x24/0x40
[ 2919.349700]  netlink_unicast+0x4d5/0x690
[ 2919.353844]  ? netlink_sendskb+0x110/0x110
[ 2919.358081]  ? _copy_from_iter_full+0x229/0x7c0
[ 2919.362746]  ? __phys_addr_symbol+0x2c/0x70
[ 2919.367069]  ? __check_object_size+0x17b/0x3e0
[ 2919.371760]  netlink_sendmsg+0x6c3/0xc50
[ 2919.375818]  ? aa_af_perm+0x230/0x230
[ 2919.379619]  ? nlmsg_notify+0x1f0/0x1f0
[ 2919.383594]  ? kernel_recvmsg+0x220/0x220
[ 2919.387949]  ? nlmsg_notify+0x1f0/0x1f0
[ 2919.391920]  sock_sendmsg+0xc3/0x120
[ 2919.395695]  ___sys_sendmsg+0x7bb/0x8e0
[ 2919.399680]  ? check_preemption_disabled+0x41/0x280
[ 2919.404694]  ? copy_msghdr_from_user+0x440/0x440
[ 2919.409454]  ? __fget+0x32f/0x510
[ 2919.412913]  ? lock_downgrade+0x720/0x720
[ 2919.417060]  ? check_preemption_disabled+0x41/0x280
[ 2919.422064]  ? check_preemption_disabled+0x41/0x280
[ 2919.427083]  ? __fget+0x356/0x510
[ 2919.430535]  ? do_dup2+0x450/0x450
[ 2919.434071]  ? lock_downgrade+0x720/0x720
[ 2919.438212]  ? vfs_write+0x3d7/0x540
[ 2919.441925]  ? __fdget+0x1d0/0x230
[ 2919.445481]  __x64_sys_sendmsg+0x132/0x220
[ 2919.449713]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2919.453777]  ? vfs_write+0x393/0x540
[ 2919.457510]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2919.462874]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2919.467886]  ? do_syscall_64+0x21/0x620
[ 2919.471943]  do_syscall_64+0xf9/0x620
[ 2919.475753]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2919.480946] RIP: 0033:0x7f94918ab199
[ 2919.484655] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2919.503554] RSP: 002b:00007f9490220168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2919.511260] RAX: ffffffffffffffda RBX: 00007f94919bdf60 RCX: 00007f94918ab199
[ 2919.518613] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2919.525886] RBP: 00007f94902201d0 R08: 0000000000000000 R09: 0000000000000000
[ 2919.533154] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2919.540436] R13: 00007ffd88c1ff4f R14: 00007f9490220300 R15: 0000000000022000
20:05:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x400300, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2919.577575] nla_parse: 11 callbacks suppressed
[ 2919.577584] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2919.596111] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2919.615494] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
20:05:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850) (fail_nth: 16)

20:05:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async)
r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r3, 0x0)
r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r4, 0x0) (async)
r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r5, 0x0)
r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
syz_open_pts(r6, 0x0) (async)
r7 = socket(0x3, 0x800, 0x9)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x48001)

[ 2919.691101] nbd: must specify at least one socket
[ 2919.727818] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:05:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x1000000, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2919.751472] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:05:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

20:05:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r2, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '@#,'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}}, 0x8008014)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0)
openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040), 0x218a41, 0x0)

20:05:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:35 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2919.843205] nbd: must specify at least one socket
20:05:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x2000000, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

20:05:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={0x0}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x6c, r2, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '@#,'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffff9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}}, 0x8008014)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, 0xfffffffffffffffc}, 0x0) (async, rerun: 64)
openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040), 0x218a41, 0x0) (rerun: 64)

[ 2919.889813] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2919.917743] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
20:05:35 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x84}, 0x4048850)

[ 2919.961003] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
[ 2919.984342] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
20:05:35 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x11, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x84}, 0x0)

20:05:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={0x0, 0x3000000, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r1, 0x21}, 0x14}}, 0x0)

[ 2920.098534] ==================================================================
[ 2920.106126] BUG: KASAN: use-after-free in refcount_dec_not_one+0x71/0x1d0
[ 2920.113060] Read of size 4 at addr ffff8880a1a7f118 by task syz-executor.2/14090
[ 2920.120588] 
[ 2920.122222] CPU: 1 PID: 14090 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
[ 2920.130107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2920.139458] Call Trace:
[ 2920.142057]  dump_stack+0x1fc/0x2ef
[ 2920.145703]  print_address_description.cold+0x54/0x219
[ 2920.151170]  kasan_report_error.cold+0x8a/0x1b9
[ 2920.155840]  ? refcount_dec_not_one+0x71/0x1d0
[ 2920.160414]  kasan_report+0x8f/0xa0
[ 2920.164046]  ? refcount_dec_not_one+0x71/0x1d0
[ 2920.168615]  refcount_dec_not_one+0x71/0x1d0
[ 2920.173009]  ? refcount_dec_and_test_checked+0x20/0x20
[ 2920.178287]  ? nbd_config_put+0x5da/0x870
[ 2920.182439]  refcount_dec_and_mutex_lock+0x1c/0x80
[ 2920.187415]  nbd_genl_connect+0x11ee/0x1630
[ 2920.191724]  ? nbd_xmit_timeout+0x730/0x730
[ 2920.196041]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2920.201238]  ? validate_nla+0x270/0x820
[ 2920.205209]  ? nla_parse+0x1b2/0x290
[ 2920.208919]  genl_family_rcv_msg+0x642/0xc40
[ 2920.213312]  ? genl_rcv+0x40/0x40
[ 2920.216747]  ? genl_rcv_msg+0x12f/0x160
[ 2920.220797]  ? mutex_trylock+0x1a0/0x1a0
[ 2920.224869]  ? __radix_tree_lookup+0x216/0x370
[ 2920.229444]  genl_rcv_msg+0xbf/0x160
[ 2920.233150]  netlink_rcv_skb+0x160/0x440
[ 2920.237204]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2920.241783]  ? netlink_ack+0xae0/0xae0
[ 2920.245659]  ? genl_rcv+0x15/0x40
[ 2920.249111]  genl_rcv+0x24/0x40
[ 2920.252375]  netlink_unicast+0x4d5/0x690
[ 2920.256422]  ? netlink_sendskb+0x110/0x110
[ 2920.260652]  ? _copy_from_iter_full+0x229/0x7c0
[ 2920.265323]  ? __phys_addr_symbol+0x2c/0x70
[ 2920.269635]  ? __check_object_size+0x17b/0x3e0
[ 2920.274224]  netlink_sendmsg+0x6c3/0xc50
[ 2920.278298]  ? aa_af_perm+0x230/0x230
[ 2920.282091]  ? nlmsg_notify+0x1f0/0x1f0
[ 2920.286141]  ? kernel_recvmsg+0x220/0x220
[ 2920.290378]  ? nlmsg_notify+0x1f0/0x1f0
[ 2920.294350]  sock_sendmsg+0xc3/0x120
[ 2920.298067]  ___sys_sendmsg+0x7bb/0x8e0
[ 2920.302173]  ? lock_acquire+0x170/0x3c0
[ 2920.306233]  ? copy_msghdr_from_user+0x440/0x440
[ 2920.310973]  ? __fget+0x32f/0x510
[ 2920.314413]  ? lock_downgrade+0x720/0x720
[ 2920.318787]  ? check_preemption_disabled+0x41/0x280
[ 2920.323807]  ? check_preemption_disabled+0x41/0x280
[ 2920.328823]  ? __fget+0x356/0x510
[ 2920.332261]  ? do_dup2+0x450/0x450
[ 2920.335855]  ? debug_object_active_state+0x254/0x330
[ 2920.340956]  ? debug_object_init_on_stack+0x20/0x20
[ 2920.345969]  ? __fdget+0x1d0/0x230
[ 2920.349505]  __x64_sys_sendmsg+0x132/0x220
[ 2920.353737]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2920.357785]  ? __se_sys_futex+0x298/0x3b0
[ 2920.361922]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2920.367273]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2920.372272]  ? do_syscall_64+0x21/0x620
[ 2920.376238]  do_syscall_64+0xf9/0x620
[ 2920.380026]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2920.385199] RIP: 0033:0x7febb280d199
[ 2920.388897] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2920.407780] RSP: 002b:00007febb1182168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2920.415479] RAX: ffffffffffffffda RBX: 00007febb291ff60 RCX: 00007febb280d199
[ 2920.422730] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2920.429979] RBP: 00007febb286713b R08: 0000000000000000 R09: 0000000000000000
[ 2920.437231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 2920.444488] R13: 00007ffe7736440f R14: 00007febb1182300 R15: 0000000000022000
[ 2920.451754] 
[ 2920.453362] Allocated by task 14089:
[ 2920.457064]  kmem_cache_alloc_trace+0x12f/0x380
[ 2920.461719]  nbd_dev_add+0x44/0x890
[ 2920.465327]  nbd_genl_connect+0x4cc/0x1630
[ 2920.469635]  genl_family_rcv_msg+0x642/0xc40
[ 2920.474023]  genl_rcv_msg+0xbf/0x160
[ 2920.477717]  netlink_rcv_skb+0x160/0x440
[ 2920.481757]  genl_rcv+0x24/0x40
[ 2920.485021]  netlink_unicast+0x4d5/0x690
[ 2920.489070]  netlink_sendmsg+0x6c3/0xc50
[ 2920.493123]  sock_sendmsg+0xc3/0x120
[ 2920.496823]  ___sys_sendmsg+0x7bb/0x8e0
[ 2920.500788]  __x64_sys_sendmsg+0x132/0x220
[ 2920.505080]  do_syscall_64+0xf9/0x620
[ 2920.508872]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2920.514061] 
[ 2920.515674] Freed by task 14090:
[ 2920.519025]  kfree+0xcc/0x210
[ 2920.522111]  nbd_put.part.0+0xfe/0x140
[ 2920.525988]  nbd_config_put+0x6a0/0x870
[ 2920.529950]  nbd_genl_connect+0x11bb/0x1630
[ 2920.534313]  genl_family_rcv_msg+0x642/0xc40
[ 2920.538724]  genl_rcv_msg+0xbf/0x160
[ 2920.542455]  netlink_rcv_skb+0x160/0x440
[ 2920.546512]  genl_rcv+0x24/0x40
[ 2920.549787]  netlink_unicast+0x4d5/0x690
[ 2920.553845]  netlink_sendmsg+0x6c3/0xc50
[ 2920.557902]  sock_sendmsg+0xc3/0x120
[ 2920.561604]  ___sys_sendmsg+0x7bb/0x8e0
[ 2920.565561]  __x64_sys_sendmsg+0x132/0x220
[ 2920.569783]  do_syscall_64+0xf9/0x620
[ 2920.573569]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2920.578830] 
[ 2920.580441] The buggy address belongs to the object at ffff8880a1a7f040
[ 2920.580441]  which belongs to the cache kmalloc-512 of size 512
[ 2920.593077] The buggy address is located 216 bytes inside of
[ 2920.593077]  512-byte region [ffff8880a1a7f040, ffff8880a1a7f240)
[ 2920.604931] The buggy address belongs to the page:
[ 2920.609850] page:ffffea0002869fc0 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0
[ 2920.618078] flags: 0xfff00000000100(slab)
[ 2920.622219] raw: 00fff00000000100 ffffea0002a80b48 ffffea0001fa4188 ffff88813bff0940
[ 2920.630092] raw: 0000000000000000 ffff8880a1a7f040 0000000100000006 0000000000000000
[ 2920.637954] page dumped because: kasan: bad access detected
[ 2920.643650] 
[ 2920.645260] Memory state around the buggy address:
[ 2920.650186]  ffff8880a1a7f000: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
[ 2920.657706]  ffff8880a1a7f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2920.665060] >ffff8880a1a7f100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2920.672400]                             ^
[ 2920.676535]  ffff8880a1a7f180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2920.683892]  ffff8880a1a7f200: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 2920.691231] ==================================================================
[ 2920.698574] Disabling lock debugging due to kernel taint
[ 2920.716712] Kernel panic - not syncing: panic_on_warn set ...
[ 2920.716712] 
[ 2920.724097] CPU: 1 PID: 14090 Comm: syz-executor.2 Tainted: G    B             4.19.211-syzkaller #0
[ 2920.733446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 2920.742793] Call Trace:
[ 2920.745386]  dump_stack+0x1fc/0x2ef
[ 2920.749016]  panic+0x26a/0x50e
[ 2920.752213]  ? __warn_printk+0xf3/0xf3
[ 2920.756106]  ? preempt_schedule_common+0x45/0xc0
[ 2920.760868]  ? ___preempt_schedule+0x16/0x18
[ 2920.765270]  ? trace_hardirqs_on+0x55/0x210
[ 2920.769588]  kasan_end_report+0x43/0x49
[ 2920.773553]  kasan_report_error.cold+0xa7/0x1b9
[ 2920.778332]  ? refcount_dec_not_one+0x71/0x1d0
[ 2920.782919]  kasan_report+0x8f/0xa0
[ 2920.786530]  ? refcount_dec_not_one+0x71/0x1d0
[ 2920.791094]  refcount_dec_not_one+0x71/0x1d0
[ 2920.795498]  ? refcount_dec_and_test_checked+0x20/0x20
[ 2920.800757]  ? nbd_config_put+0x5da/0x870
[ 2920.804893]  refcount_dec_and_mutex_lock+0x1c/0x80
[ 2920.809831]  nbd_genl_connect+0x11ee/0x1630
[ 2920.814138]  ? nbd_xmit_timeout+0x730/0x730
[ 2920.818448]  ? __sanitizer_cov_trace_switch+0x4b/0x80
[ 2920.823618]  ? validate_nla+0x270/0x820
[ 2920.827573]  ? nla_parse+0x1b2/0x290
[ 2920.831274]  genl_family_rcv_msg+0x642/0xc40
[ 2920.835666]  ? genl_rcv+0x40/0x40
[ 2920.839099]  ? genl_rcv_msg+0x12f/0x160
[ 2920.843055]  ? mutex_trylock+0x1a0/0x1a0
[ 2920.847099]  ? __radix_tree_lookup+0x216/0x370
[ 2920.851675]  genl_rcv_msg+0xbf/0x160
[ 2920.855418]  netlink_rcv_skb+0x160/0x440
[ 2920.859474]  ? genl_family_rcv_msg+0xc40/0xc40
[ 2920.864041]  ? netlink_ack+0xae0/0xae0
[ 2920.867910]  ? genl_rcv+0x15/0x40
[ 2920.871349]  genl_rcv+0x24/0x40
[ 2920.874611]  netlink_unicast+0x4d5/0x690
[ 2920.878664]  ? netlink_sendskb+0x110/0x110
[ 2920.882885]  ? _copy_from_iter_full+0x229/0x7c0
[ 2920.887533]  ? __phys_addr_symbol+0x2c/0x70
[ 2920.891846]  ? __check_object_size+0x17b/0x3e0
[ 2920.896414]  netlink_sendmsg+0x6c3/0xc50
[ 2920.900473]  ? aa_af_perm+0x230/0x230
[ 2920.904311]  ? nlmsg_notify+0x1f0/0x1f0
[ 2920.908274]  ? kernel_recvmsg+0x220/0x220
[ 2920.912407]  ? nlmsg_notify+0x1f0/0x1f0
[ 2920.916372]  sock_sendmsg+0xc3/0x120
[ 2920.920068]  ___sys_sendmsg+0x7bb/0x8e0
[ 2920.924090]  ? lock_acquire+0x170/0x3c0
[ 2920.928056]  ? copy_msghdr_from_user+0x440/0x440
[ 2920.932804]  ? __fget+0x32f/0x510
[ 2920.936247]  ? lock_downgrade+0x720/0x720
[ 2920.940388]  ? check_preemption_disabled+0x41/0x280
[ 2920.945401]  ? check_preemption_disabled+0x41/0x280
[ 2920.950399]  ? __fget+0x356/0x510
[ 2920.953831]  ? do_dup2+0x450/0x450
[ 2920.957349]  ? debug_object_active_state+0x254/0x330
[ 2920.962431]  ? debug_object_init_on_stack+0x20/0x20
[ 2920.967429]  ? __fdget+0x1d0/0x230
[ 2920.970950]  __x64_sys_sendmsg+0x132/0x220
[ 2920.975167]  ? __sys_sendmsg+0x1b0/0x1b0
[ 2920.979215]  ? __se_sys_futex+0x298/0x3b0
[ 2920.983383]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[ 2920.988730]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2920.993726]  ? do_syscall_64+0x21/0x620
[ 2920.997684]  do_syscall_64+0xf9/0x620
[ 2921.001469]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2921.006636] RIP: 0033:0x7febb280d199
[ 2921.010336] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 2921.029216] RSP: 002b:00007febb1182168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2921.036901] RAX: ffffffffffffffda RBX: 00007febb291ff60 RCX: 00007febb280d199
[ 2921.044145] RDX: 0000000004048850 RSI: 0000000020000180 RDI: 0000000000000005
[ 2921.051391] RBP: 00007febb286713b R08: 0000000000000000 R09: 0000000000000000
[ 2921.058645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 2921.065895] R13: 00007ffe7736440f R14: 00007febb1182300 R15: 0000000000022000
[ 2921.073311] Kernel Offset: disabled
[ 2921.076921] Rebooting in 86400 seconds..