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bpf: Fix incorrect integer literal used for marking scratched stack.

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env->scratched_stack_slots is a 64-bit value, we should use ULL
instead of UL literal values.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christy Lee <christylee@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/r/20220108005854.658596-1-christylee@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Christy Lee 2022-01-07 16:58:54 -08:00 committed by Alexei Starovoitov
parent 036a05f50b
commit 343e53754b
1 changed files with 3 additions and 3 deletions
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6
kernel/bpf/verifier.c
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@ -616,7 +616,7 @@ static void mark_reg_scratched(struct bpf_verifier_env *env, u32 regno)
static void mark_stack_slot_scratched(struct bpf_verifier_env *env, u32 spi)
{
env->scratched_stack_slots |= 1UL << spi;
env->scratched_stack_slots |= 1ULL << spi;
}
static bool reg_scratched(const struct bpf_verifier_env *env, u32 regno)
@ -637,14 +637,14 @@ static bool verifier_state_scratched(const struct bpf_verifier_env *env)
static void mark_verifier_state_clean(struct bpf_verifier_env *env)
{
env->scratched_regs = 0U;
env->scratched_stack_slots = 0UL;
env->scratched_stack_slots = 0ULL;
}
/* Used for printing the entire verifier state. */
static void mark_verifier_state_scratched(struct bpf_verifier_env *env)
{
env->scratched_regs = ~0U;
env->scratched_stack_slots = ~0UL;
env->scratched_stack_slots = ~0ULL;
}
/* The reg state of a pointer or a bounded scalar was saved when