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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-09-14 13:36:19 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-09-14 13:36:19 +0200
commitb94a3879cf84d98cee119045bee6538659bfc2ce (patch)
tree6ad8bdff7057bc0d27865fc80eecb8b597adc196 /tools/bpf
parent70db9eace66c4932f17d42640fad17f561aa20da (diff)
parent8f3741e6feb045da5b406df0a80b42a1adfb289b (diff)
downloadlinux-stable-linux-rolling-lts.tar.gz
linux-stable-linux-rolling-lts.zip
Merge v6.18.52linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/bpf')
-rw-r--r--tools/bpf/bpftool/map.c16
-rw-r--r--tools/bpf/bpftool/sign.c7
-rw-r--r--tools/bpf/bpftool/struct_ops.c4
3 files changed, 19 insertions, 8 deletions
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index c9de44a45778..941d73b737de 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -659,8 +659,6 @@ static int do_show_subset(int argc, char **argv)
show_map_close_json(fds[i], &info);
else
show_map_close_plain(fds[i], &info);
-
- close(fds[i]);
}
if (json_output && nb_fds > 1)
jsonw_end_array(json_wtr); /* root array */
@@ -790,6 +788,12 @@ static int maps_have_btf(int *fds, int nb_fds)
static struct btf *btf_vmlinux;
+static void free_btf_vmlinux(void)
+{
+ btf__free(btf_vmlinux);
+ btf_vmlinux = NULL;
+}
+
static int get_map_kv_btf(const struct bpf_map_info *info, struct btf **btf)
{
int err = 0;
@@ -889,7 +893,6 @@ map_dump(int fd, struct bpf_map_info *info, json_writer_t *wtr,
exit_free:
free(key);
free(value);
- close(fd);
free_map_kv_btf(btf);
return err;
@@ -938,6 +941,7 @@ static int do_dump(int argc, char **argv)
for (i = 0; i < nb_fds; i++) {
if (bpf_map_get_info_by_fd(fds[i], &info, &len)) {
p_err("can't get map info: %s", strerror(errno));
+ err = -1;
break;
}
err = map_dump(fds[i], &info, wtr, nb_fds > 1);
@@ -958,7 +962,7 @@ exit_close:
close(fds[i]);
exit_free:
free(fds);
- btf__free(btf_vmlinux);
+ free_btf_vmlinux();
return err;
}
@@ -1049,7 +1053,7 @@ static void print_key_value(struct bpf_map_info *info, void *key,
btf_wtr = get_btf_writer();
if (!btf_wtr) {
p_info("failed to create json writer for btf. falling back to plain output");
- btf__free(btf);
+ free_map_kv_btf(btf);
btf = NULL;
print_entry_plain(info, key, value);
} else {
@@ -1065,7 +1069,7 @@ static void print_key_value(struct bpf_map_info *info, void *key,
} else {
print_entry_plain(info, key, value);
}
- btf__free(btf);
+ free_map_kv_btf(btf);
}
static int do_lookup(int argc, char **argv)
diff --git a/tools/bpf/bpftool/sign.c b/tools/bpf/bpftool/sign.c
index f9b742f4bb10..1257dba8ef2f 100644
--- a/tools/bpf/bpftool/sign.c
+++ b/tools/bpf/bpftool/sign.c
@@ -175,8 +175,11 @@ int bpftool_prog_sign(struct bpf_load_and_run_opts *opts)
goto cleanup;
}
- EVP_Digest(opts->insns, opts->insns_sz, opts->excl_prog_hash,
- &opts->excl_prog_hash_sz, EVP_sha256(), NULL);
+ if (EVP_Digest(opts->insns, opts->insns_sz, opts->excl_prog_hash,
+ &opts->excl_prog_hash_sz, EVP_sha256(), NULL) != 1) {
+ err = -EIO;
+ goto cleanup;
+ }
bd_out = BIO_new(BIO_s_mem());
if (!bd_out) {
diff --git a/tools/bpf/bpftool/struct_ops.c b/tools/bpf/bpftool/struct_ops.c
index aa43dead249c..835e5e561f7f 100644
--- a/tools/bpf/bpftool/struct_ops.c
+++ b/tools/bpf/bpftool/struct_ops.c
@@ -643,6 +643,10 @@ int do_struct_ops(int argc, char **argv)
err = cmd_select(cmds, argc, argv, do_help);
btf__free(btf_vmlinux);
+ btf_vmlinux = NULL;
+ map_info_type = NULL;
+ map_info_alloc_len = 0;
+ map_info_type_id = 0;
return err;
}