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| author | David S. Miller <davem@davemloft.net> | 2021-12-31 17:35:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-12-31 17:35:40 +0300 |
| commit | e63a02348958cd7cc8c8401c94de57ad97b5d06c (patch) | |
| tree | d3f07960e158be75c3002c13d3dc2c142a65fbb7 /tools/lib/bpf/gen_loader.c | |
| parent | ce2b6eb409ad40607193641c3ec18c3457e1f57c (diff) | |
| parent | 9e6b19a66d9b6b94395478fe79c5a3ccba181ad3 (diff) | |
| download | linux-e63a02348958cd7cc8c8401c94de57ad97b5d06c.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:
====================
pull-request: bpf-next 2021-12-30
The following pull-request contains BPF updates for your *net-next* tree.
We've added 72 non-merge commits during the last 20 day(s) which contain
a total of 223 files changed, 3510 insertions(+), 1591 deletions(-).
The main changes are:
1) Automatic setrlimit in libbpf when bpf is memcg's in the kernel, from Andrii.
2) Beautify and de-verbose verifier logs, from Christy.
3) Composable verifier types, from Hao.
4) bpf_strncmp helper, from Hou.
5) bpf.h header dependency cleanup, from Jakub.
6) get_func_[arg|ret|arg_cnt] helpers, from Jiri.
7) Sleepable local storage, from KP.
8) Extend kfunc with PTR_TO_CTX, PTR_TO_MEM argument support, from Kumar.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/lib/bpf/gen_loader.c')
| -rw-r--r-- | tools/lib/bpf/gen_loader.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/lib/bpf/gen_loader.c b/tools/lib/bpf/gen_loader.c index 8ed02e89c9a9..8ecef1088ba2 100644 --- a/tools/lib/bpf/gen_loader.c +++ b/tools/lib/bpf/gen_loader.c @@ -371,8 +371,9 @@ int bpf_gen__finish(struct bpf_gen *gen, int nr_progs, int nr_maps) { int i; - if (nr_progs != gen->nr_progs || nr_maps != gen->nr_maps) { - pr_warn("progs/maps mismatch\n"); + if (nr_progs < gen->nr_progs || nr_maps != gen->nr_maps) { + pr_warn("nr_progs %d/%d nr_maps %d/%d mismatch\n", + nr_progs, gen->nr_progs, nr_maps, gen->nr_maps); gen->error = -EFAULT; return gen->error; } @@ -462,8 +463,7 @@ void bpf_gen__map_create(struct bpf_gen *gen, attr.map_flags = map_attr->map_flags; attr.map_extra = map_attr->map_extra; if (map_name) - memcpy(attr.map_name, map_name, - min((unsigned)strlen(map_name), BPF_OBJ_NAME_LEN - 1)); + libbpf_strlcpy(attr.map_name, map_name, sizeof(attr.map_name)); attr.numa_node = map_attr->numa_node; attr.map_ifindex = map_attr->map_ifindex; attr.max_entries = max_entries; @@ -969,8 +969,7 @@ void bpf_gen__prog_load(struct bpf_gen *gen, core_relos = add_data(gen, gen->core_relos, attr.core_relo_cnt * attr.core_relo_rec_size); - memcpy(attr.prog_name, prog_name, - min((unsigned)strlen(prog_name), BPF_OBJ_NAME_LEN - 1)); + libbpf_strlcpy(attr.prog_name, prog_name, sizeof(attr.prog_name)); prog_load_attr = add_data(gen, &attr, attr_size); /* populate union bpf_attr with a pointer to license */ |