diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/net/bpf_jit_comp.c | 2 | ||||
| -rw-r--r-- | arch/x86/net/bpf_jit_comp.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 452d3ebd9d0f..e9f8fa9337fe 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -811,7 +811,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int bpfsize, return NULL; memset(header, 0, sz); header->pages = sz / PAGE_SIZE; - hole = sz - (bpfsize + sizeof(*header)); + hole = min(sz - (bpfsize + sizeof(*header)), PAGE_SIZE - sizeof(*header)); /* Insert random number of illegal instructions before BPF code * and make sure the first instruction starts at an even address. */ diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index dc017735bb91..6d5663a599a7 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -171,7 +171,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int proglen, memset(header, 0xcc, sz); /* fill whole space with int3 instructions */ header->pages = sz / PAGE_SIZE; - hole = sz - (proglen + sizeof(*header)); + hole = min(sz - (proglen + sizeof(*header)), PAGE_SIZE - sizeof(*header)); /* insert a random number of int3 instructions before BPF code */ *image_ptr = &header->image[prandom_u32() % hole]; |