summaryrefslogtreecommitdiffstats
path: root/kernel/bpf
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2019-03-02 12:54:35 -0800
committerDavid S. Miller <davem@davemloft.net>2019-03-02 12:54:35 -0800
commit9eb359140cd307f8a14f61c19b155ffca5291057 (patch)
tree22d5143608ef1744ca4b7025414777defe8bcca5 /kernel/bpf
parentcf29576fee6016fa7004262cb98f57a2269178f1 (diff)
parent07f12b26e21ab359261bf75cfcb424fdc7daeb6d (diff)
downloadlinux-9eb359140cd307f8a14f61c19b155ffca5291057.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'kernel/bpf')
-rw-r--r--kernel/bpf/syscall.c6
-rw-r--r--kernel/bpf/verifier.c3
2 files changed, 5 insertions, 4 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index ec7c552af76b..797a99c7493e 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -577,12 +577,12 @@ static int map_create(union bpf_attr *attr)
err = bpf_map_new_fd(map, f_flags);
if (err < 0) {
/* failed to allocate fd.
- * bpf_map_put() is needed because the above
+ * bpf_map_put_with_uref() is needed because the above
* bpf_map_alloc_id() has published the map
* to the userspace and the userspace may
* have refcnt-ed it through BPF_MAP_GET_FD_BY_ID.
*/
- bpf_map_put(map);
+ bpf_map_put_with_uref(map);
return err;
}
@@ -2025,7 +2025,7 @@ static int bpf_map_get_fd_by_id(const union bpf_attr *attr)
fd = bpf_map_new_fd(map, f_flags);
if (fd < 0)
- bpf_map_put(map);
+ bpf_map_put_with_uref(map);
return fd;
}
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 1b9496c41383..ebc3b264aa4d 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -7559,7 +7559,8 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
u32 off_reg;
aux = &env->insn_aux_data[i + delta];
- if (!aux->alu_state)
+ if (!aux->alu_state ||
+ aux->alu_state == BPF_ALU_NON_POINTER)
continue;
isneg = aux->alu_state & BPF_ALU_NEG_VALUE;