diff options
| author |   Lorenz Bauer <lmb@cloudflare.com> | 2021-10-14 15:25:53 +0100 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2021-10-22 17:23:53 -0700 |
| commit | fadb7ff1a6c2c565af56b4aacdd086b067eed440 (patch) | |
| tree | 3e5cda8336b05541dd33b7888ba131c1bc910871 /include/linux/filter.h | |
| parent | bpf: Define bpf_jit_alloc_exec_limit for arm64 JIT (diff) | |
| download | linux-dev-fadb7ff1a6c2c565af56b4aacdd086b067eed440.tar.xz linux-dev-fadb7ff1a6c2c565af56b4aacdd086b067eed440.zip | |
bpf: Prevent increasing bpf_jit_limit above max
Restrict bpf_jit_limit to the maximum supported by the arch's JIT.
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211014142554.53120-4-lmb@cloudflare.com
Diffstat (limited to 'include/linux/filter.h')
| -rw-r--r-- | include/linux/filter.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index 4a93c12543ee..ef03ff34234d 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -1051,6 +1051,7 @@ extern int bpf_jit_enable; extern int bpf_jit_harden; extern int bpf_jit_kallsyms; extern long bpf_jit_limit; +extern long bpf_jit_limit_max; typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size); |