diff options
| author | Lorenz Bauer <lmb@cloudflare.com> | 2021-10-14 15:25:53 +0100 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:51:51 +0300 |
| commit | f10e982d3b2ead1b049225b5bd8b149a43e3705b (patch) | |
| tree | f2b0c94b3ec8991a4e7586457defbc5c747aee4e /include/linux | |
| parent | bfe07625deded524e7b7c68fdbe26dc0b8ada071 (diff) | |
bpf: Prevent increasing bpf_jit_limit above max
[ Upstream commit fadb7ff1a6c2c565af56b4aacdd086b067eed440 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/linux')
| -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 69e8e1951eb2..ee4df9426fe3 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -600,6 +600,7 @@ void bpf_warn_invalid_xdp_action(u32 act); extern int bpf_jit_enable; extern int bpf_jit_harden; extern long bpf_jit_limit; +extern long bpf_jit_limit_max; typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size); |