diff options
Diffstat (limited to '0001-bpf-Add-tech-preview-taint-for-syscall.patch')
| -rw-r--r-- | 0001-bpf-Add-tech-preview-taint-for-syscall.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/0001-bpf-Add-tech-preview-taint-for-syscall.patch b/0001-bpf-Add-tech-preview-taint-for-syscall.patch new file mode 100644 index 000000000..03c9e8152 --- /dev/null +++ b/0001-bpf-Add-tech-preview-taint-for-syscall.patch @@ -0,0 +1,53 @@ +From 0126c84a2e7cdad9c0f0f74005c4bf1900ceac9c Mon Sep 17 00:00:00 2001 +From: Eugene Syromiatnikov <esyr@redhat.com> +Date: Thu, 14 Jun 2018 16:36:08 -0400 +Subject: [PATCH] bpf: Add tech preview taint for syscall + +Message-id: <394af3a9985d1ad9ea6741cb95ff145312d106b9.1528991396.git.esyr@redhat.com> +Patchwork-id: 8251 +O-Subject: [kernel team] [RHEL8 PATCH v4 3/5] [bpf] bpf: Add tech preview taint for syscall +Bugzilla: 1559877 +RH-Acked-by: Jiri Benc <jbenc@redhat.com> +RH-Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> + +Adding tech preview taint for using the eBPF syscall. + +Based on a RHEL 7 commit "bpf: Add tech preview taint for syscall" by +Jiri Olsa. + +Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1559877 +Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=16716594 + +Upstream Status: RHEL only +Signed-off-by: Jiri Olsa <jolsa@redhat.com> +Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com> +Signed-off-by: Herton R. Krzesinski <herton@redhat.com> +--- + kernel/bpf/syscall.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c +index 39c033265bae..28ed55c3dd18 100644 +--- a/kernel/bpf/syscall.c ++++ b/kernel/bpf/syscall.c +@@ -3678,11 +3678,17 @@ static int link_update(union bpf_attr *attr) + SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, size) + { + union bpf_attr attr; ++ static int marked; + int err; + + if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN)) + return -EPERM; + ++ if (!marked) { ++ mark_tech_preview("eBPF syscall", NULL); ++ marked = true; ++ } ++ + err = bpf_check_uarg_tail_zero(uattr, sizeof(attr), size); + if (err) + return err; +-- +2.26.0 + |