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authorJeremy Cline <jcline@redhat.com>2020-04-23 16:47:21 -0400
committerJeremy Cline <jcline@redhat.com>2020-04-23 16:47:21 -0400
commitd1b6f8c7af0eb9a0a44b2d4723e58dde5eafa236 (patch)
tree842b7a6410c2572bc8c1643196f83d2e19d80e1e /0001-bpf-Add-tech-preview-taint-for-syscall.patch
parent4f478aae8055f932b9a8fdd88d93db6b9da5709e (diff)
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kernel-5.7.0-0.rc2.20200423git7adc4b399952.1
* Thu Apr 23 2020 CKI@GitLab <cki-project@redhat.com> [5.7.0-0.rc2.20200423git7adc4b399952.1] - 7adc4b399952 rebase - Match template format in kernel.spec.template ("Justin M. Forbes") - Break out the Patches into individual files for dist-git ("Justin M. Forbes") - Break the Red Hat patch into individual commits (Jeremy Cline) - Adjust module filtering so CONFIG_DRM_DP_CEC can be set (Jeremy Cline) - Add a script to generate release tags and branches (Jeremy Cline) - Set CONFIG_VDPA for fedora ("Justin M. Forbes") - Provide defaults in ark-rebase-patches.sh (Jeremy Cline) - Default ark-rebase-patches.sh to not report issues (Jeremy Cline) Resolves: rhbz# Signed-off-by: Jeremy Cline <jcline@redhat.com>
Diffstat (limited to '0001-bpf-Add-tech-preview-taint-for-syscall.patch')
-rw-r--r--0001-bpf-Add-tech-preview-taint-for-syscall.patch53
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
+