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-rw-r--r--kernel/bpf/verifier.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 85e4ab61084f..0e77bb52542d 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -6577,7 +6577,7 @@ static int check_ptr_to_map_access(struct bpf_verifier_env *env,
* The minimum valid offset is -MAX_BPF_STACK for writes, and
* -state->allocated_stack for reads.
*/
-static int check_stack_slot_within_bounds(int off,
+static int check_stack_slot_within_bounds(s64 off,
struct bpf_func_state *state,
enum bpf_access_type t)
{
@@ -6606,7 +6606,7 @@ static int check_stack_access_within_bounds(
struct bpf_reg_state *regs = cur_regs(env);
struct bpf_reg_state *reg = regs + regno;
struct bpf_func_state *state = func(env, reg);
- int min_off, max_off;
+ s64 min_off, max_off;
int err;
char *err_extra;
@@ -6619,7 +6619,7 @@ static int check_stack_access_within_bounds(
err_extra = " write to";
if (tnum_is_const(reg->var_off)) {
- min_off = reg->var_off.value + off;
+ min_off = (s64)reg->var_off.value + off;
max_off = min_off + access_size;
} else {
if (reg->smax_value >= BPF_MAX_VAR_OFF ||