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| author | Radim Krčmář <rkrcmar@redhat.com> | 2017-01-17 17:53:01 +0100 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-01-17 17:53:01 +0100 |
| commit | a9ff720e0fee2f64c279e71c1bf86e93804295d2 (patch) | |
| tree | c9d6a77274bcb90142aace2dd4a1c9808a191533 /kernel/bpf | |
| parent | 21e7fbe7db2a983c046a05f12419d88c554a0f5a (diff) | |
| parent | 06b35d93af0a5904aa832f58733be84ddbfe2e04 (diff) | |
| download | cachepc-linux-a9ff720e0fee2f64c279e71c1bf86e93804295d2.tar.gz cachepc-linux-a9ff720e0fee2f64c279e71c1bf86e93804295d2.zip | |
Merge branch 'x86/cpufeature' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
For AVX512_VPOPCNTDQ.
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/arraymap.c | 2 | ||||
| -rw-r--r-- | kernel/bpf/hashtab.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index a2ac051c342f..229a5d5df977 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -56,7 +56,7 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr) attr->value_size == 0 || attr->map_flags) return ERR_PTR(-EINVAL); - if (attr->value_size >= 1 << (KMALLOC_SHIFT_MAX - 1)) + if (attr->value_size > KMALLOC_MAX_SIZE) /* if value_size is bigger, the user space won't be able to * access the elements. */ diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 34debc1a9641..3f2bb58952d8 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -274,7 +274,7 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) */ goto free_htab; - if (htab->map.value_size >= (1 << (KMALLOC_SHIFT_MAX - 1)) - + if (htab->map.value_size >= KMALLOC_MAX_SIZE - MAX_BPF_STACK - sizeof(struct htab_elem)) /* if value_size is bigger, the user space won't be able to * access the elements via bpf syscall. This check also makes |