[PATCH bpf-next 2/3] bpf: insn array: return EACCES for incorrect map access

Anton Protopopov
2026-01-11T15:23:10Z

The insn_array_map_direct_value_addr() function currently returns
-EINVAL when the offset within the map is invalid. Change this to
return -EACCES, so that it is consistent with similar boundary access
checks in the verifier.

Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
---
kernel/bpf/bpf_insn_array.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/bpf_insn_array.c b/kernel/bpf/bpf_insn_array.c
index 37b43102953e..c0286f25ca3c 100644
--- a/kernel/bpf/bpf_insn_array.c
+++ b/kernel/bpf/bpf_insn_array.c
@@ -123,7 +123,7 @@ static int insn_array_map_direct_value_addr(const struct bpf_map *map, u64 *imm,

if ((off % sizeof(long)) != 0 ||
(off / sizeof(long)) >= map->max_entries)
- return -EINVAL;
+ return -EACCES;

/* from BPF's point of view, this map is a jump table */
*imm = (unsigned long)insn_array->ips;
--
2.34.1