Merge tag 'bpf-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Pull bpf updates from Alexei Starovoitov:

 - Add BPF uprobe session support (Jiri Olsa)

 - Optimize uprobe performance (Andrii Nakryiko)

 - Add bpf_fastcall support to helpers and kfuncs (Eduard Zingerman)

 - Avoid calling free_htab_elem() under hash map bucket lock (Hou Tao)

 - Prevent tailcall infinite loop caused by freplace (Leon Hwang)

 - Mark raw_tracepoint arguments as nullable (Kumar Kartikeya Dwivedi)

 - Introduce uptr support in the task local storage map (Martin KaFai
   Lau)

 - Stringify errno log messages in libbpf (Mykyta Yatsenko)

 - Add kmem_cache BPF iterator for perf's lock profiling (Namhyung Kim)

 - Support BPF objects of either endianness in libbpf (Tony Ambardar)

 - Add ksym to struct_ops trampoline to fix stack trace (Xu Kuohai)

 - Introduce private stack for eligible BPF programs (Yonghong Song)

 - Migrate samples/bpf tests to selftests/bpf test_progs (Daniel T. Lee)

 - Migrate test_sock to selftests/bpf test_progs (Jordan Rife)

* tag 'bpf-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (152 commits)
  libbpf: Change hash_combine parameters from long to unsigned long
  selftests/bpf: Fix build error with llvm 19
  libbpf: Fix memory leak in bpf_program__attach_uprobe_multi
  bpf: use common instruction history across all states
  bpf: Add necessary migrate_disable to range_tree.
  bpf: Do not alloc arena on unsupported arches
  selftests/bpf: Set test path for token/obj_priv_implicit_token_envvar
  selftests/bpf: Add a test for arena range tree algorithm
  bpf: Introduce range_tree data structure and use it in bpf arena
  samples/bpf: Remove unused variable in xdp2skb_meta_kern.c
  samples/bpf: Remove unused variables in tc_l2_redirect_kern.c
  bpftool: Cast variable `var` to long long
  bpf, x86: Propagate tailcall info only for subprogs
  bpf: Add kernel symbol for struct_ops trampoline
  bpf: Use function pointers count as struct_ops links count
  bpf: Remove unused member rcu from bpf_struct_ops_map
  selftests/bpf: Add struct_ops prog private stack tests
  bpf: Support private stack for struct_ops progs
  selftests/bpf: Add tracing prog private stack tests
  bpf, x86: Support private stack in jit
  ...

1 files changed, 0 insertions, 108 deletions

diff --git a/samples/bpf/test_probe_write_user_user.c b/samples/bpf/test_probe_write_user_user.c
deleted file mode 100644
index 2a539aec4116..000000000000
--- a/samples/bpf/test_probe_write_user_user.c
+++ /dev/null
@@ -1,108 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <stdio.h>
-#include <assert.h>
-#include <unistd.h>
-#include <bpf/bpf.h>
-#include <bpf/libbpf.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-int main(int ac, char **argv)
-{
-	struct sockaddr_in *serv_addr_in, *mapped_addr_in, *tmp_addr_in;
-	struct sockaddr serv_addr, mapped_addr, tmp_addr;
-	int serverfd, serverconnfd, clientfd, map_fd;
-	struct bpf_link *link = NULL;
-	struct bpf_program *prog;
-	struct bpf_object *obj;
-	socklen_t sockaddr_len;
-	char filename[256];
-	char *ip;
-
-	serv_addr_in = (struct sockaddr_in *)&serv_addr;
-	mapped_addr_in = (struct sockaddr_in *)&mapped_addr;
-	tmp_addr_in = (struct sockaddr_in *)&tmp_addr;
-
-	snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
-	obj = bpf_object__open_file(filename, NULL);
-	if (libbpf_get_error(obj)) {
-		fprintf(stderr, "ERROR: opening BPF object file failed\n");
-		return 0;
-	}
-
-	prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
-	if (libbpf_get_error(prog)) {
-		fprintf(stderr, "ERROR: finding a prog in obj file failed\n");
-		goto cleanup;
-	}
-
-	/* load BPF program */
-	if (bpf_object__load(obj)) {
-		fprintf(stderr, "ERROR: loading BPF object file failed\n");
-		goto cleanup;
-	}
-
-	map_fd = bpf_object__find_map_fd_by_name(obj, "dnat_map");
-	if (map_fd < 0) {
-		fprintf(stderr, "ERROR: finding a map in obj file failed\n");
-		goto cleanup;
-	}
-
-	link = bpf_program__attach(prog);
-	if (libbpf_get_error(link)) {
-		fprintf(stderr, "ERROR: bpf_program__attach failed\n");
-		link = NULL;
-		goto cleanup;
-	}
-
-	assert((serverfd = socket(AF_INET, SOCK_STREAM, 0)) > 0);
-	assert((clientfd = socket(AF_INET, SOCK_STREAM, 0)) > 0);
-
-	/* Bind server to ephemeral port on lo */
-	memset(&serv_addr, 0, sizeof(serv_addr));
-	serv_addr_in->sin_family = AF_INET;
-	serv_addr_in->sin_port = 0;
-	serv_addr_in->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-
-	assert(bind(serverfd, &serv_addr, sizeof(serv_addr)) == 0);
-
-	sockaddr_len = sizeof(serv_addr);
-	assert(getsockname(serverfd, &serv_addr, &sockaddr_len) == 0);
-	ip = inet_ntoa(serv_addr_in->sin_addr);
-	printf("Server bound to: %s:%d\n", ip, ntohs(serv_addr_in->sin_port));
-
-	memset(&mapped_addr, 0, sizeof(mapped_addr));
-	mapped_addr_in->sin_family = AF_INET;
-	mapped_addr_in->sin_port = htons(5555);
-	mapped_addr_in->sin_addr.s_addr = inet_addr("255.255.255.255");
-
-	assert(!bpf_map_update_elem(map_fd, &mapped_addr, &serv_addr, BPF_ANY));
-
-	assert(listen(serverfd, 5) == 0);
-
-	ip = inet_ntoa(mapped_addr_in->sin_addr);
-	printf("Client connecting to: %s:%d\n",
-	       ip, ntohs(mapped_addr_in->sin_port));
-	assert(connect(clientfd, &mapped_addr, sizeof(mapped_addr)) == 0);
-
-	sockaddr_len = sizeof(tmp_addr);
-	ip = inet_ntoa(tmp_addr_in->sin_addr);
-	assert((serverconnfd = accept(serverfd, &tmp_addr, &sockaddr_len)) > 0);
-	printf("Server received connection from: %s:%d\n",
-	       ip, ntohs(tmp_addr_in->sin_port));
-
-	sockaddr_len = sizeof(tmp_addr);
-	assert(getpeername(clientfd, &tmp_addr, &sockaddr_len) == 0);
-	ip = inet_ntoa(tmp_addr_in->sin_addr);
-	printf("Client's peer address: %s:%d\n",
-	       ip, ntohs(tmp_addr_in->sin_port));
-
-	/* Is the server's getsockname = the socket getpeername */
-	assert(memcmp(&serv_addr, &tmp_addr, sizeof(struct sockaddr_in)) == 0);
-
-cleanup:
-	bpf_link__destroy(link);
-	bpf_object__close(obj);
-	return 0;
-}