Lines Matching refs:optlen

1818 				       int *optlen, char **kernel_optval)
1833 	max_optlen = max_t(int, 16, *optlen);
1838 	ctx.optlen = *optlen;
1841 			      min(*optlen, max_optlen))) {
1854 	if (ctx.optlen == -1) {
1855 		/* optlen set to -1, bypass kernel */
1857 	} else if (ctx.optlen > max_optlen || ctx.optlen < -1) {
1858 		/* optlen is out of bounds */
1859 		if (*optlen > PAGE_SIZE && ctx.optlen >= 0) {
1860 			pr_info_once("bpf setsockopt: ignoring program buffer with optlen=%d (max_optlen=%d)\n",
1861 				     ctx.optlen, max_optlen);
1867 		/* optlen within bounds, run kernel handler */
1874 		/* optlen == 0 from BPF indicates that we should
1877 		if (ctx.optlen != 0) {
1878 			*optlen = ctx.optlen;
1886 				void *p = kmalloc(ctx.optlen, GFP_USER);
1892 				memcpy(p, ctx.optval, ctx.optlen);
1909 				       sockptr_t optlen, int max_optlen,
1924 	ctx.optlen = max_optlen;
1932 		 * into our temporary buffer. Set optlen to the
1936 		if (copy_from_sockptr(&ctx.optlen, optlen,
1937 				      sizeof(ctx.optlen))) {
1942 		if (ctx.optlen < 0) {
1946 		orig_optlen = ctx.optlen;
1949 				      min(ctx.optlen, max_optlen))) {
1964 	    (ctx.optlen > max_optlen || ctx.optlen < 0)) {
1965 		if (orig_optlen > PAGE_SIZE && ctx.optlen >= 0) {
1966 			pr_info_once("bpf getsockopt: ignoring program buffer with optlen=%d (max_optlen=%d)\n",
1967 				     ctx.optlen, max_optlen);
1975 	if (ctx.optlen != 0) {
1977 		    copy_to_sockptr(optval, ctx.optval, ctx.optlen)) {
1981 		if (copy_to_sockptr(optlen, &ctx.optlen, sizeof(ctx.optlen))) {
1994 					    int *optlen, int retval)
2001 		.optlen = *optlen,
2003 		.optval_end = optval + *optlen,
2021 	if (ctx.optlen > *optlen)
2026 	if (ctx.optlen != 0)
2027 		*optlen = ctx.optlen;
2396 		case offsetof(struct bpf_sockopt, optlen):
2467 	case offsetof(struct bpf_sockopt, optlen):
2469 			*insn++ = CG_SOCKOPT_WRITE_FIELD(optlen);
2471 			*insn++ = CG_SOCKOPT_READ_FIELD(optlen);