kernel/0001-bpf-Add-tech-preview-taint-for-syscall.patch
Justin M. Forbes aa5ab7f890 kernel-5.8.0-0.rc5.1
* Mon Jul 13 2020 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.8.0-0.rc5.1]
- v5.8-rc5 rebase
- arm64: dts: sun50i-a64-pinephone: Add touchscreen support (Ondrej Jirman)
- arm64: dts: sun50i-a64-pinephone: Enable LCD support on PinePhone (Icenowy Zheng)
- drm/panel: st7703: Assert reset prior to powering down the regulators (Ondrej Jirman)
- drm/panel: st7703: Enter sleep after display off (Ondrej Jirman)
- drm/panel: st7703: Add support for Xingbangda XBD599 (Ondrej Jirman)
- drm/panel: st7703: Move generic part of init sequence to enable callback (Ondrej Jirman)
- drm/panel: st7703: Move code specific to jh057n closer together (Ondrej Jirman)
- drm/panel: st7703: Prepare for supporting multiple panels (Ondrej Jirman)
- drm/panel: st7703: Rename functions from jh057n prefix to st7703 (Ondrej Jirman)
- drm/panel: rocktech-jh057n00900: Rename the driver to st7703 (Ondrej Jirman)
- dt-bindings: panel: Add compatible for Xingbangda XBD599 panel (Ondrej Jirman)
- dt-bindings: panel: Convert rocktech, jh057n00900 to yaml (Ondrej Jirman)
- dt-bindings: vendor-prefixes: Add Xingbangda (Icenowy Zheng)
- Revert "arm64: allwinner: dts: a64: add LCD-related device nodes for PinePhone" (Peter Robinson)
- Revert "drm/sun4i: sun6i_mipi_dsi: fix horizontal timing calculation" (Peter Robinson)
- Revert "drm: panel: add Xingbangda XBD599 panel" (Peter Robinson)
- Revert "dt-bindings: panel: add binding for Xingbangda XBD599 panel" (Peter Robinson)
- selinux: allow reading labels before policy is loaded (Jonathan Lebon)
- Fixes "acpi: prefer booting with ACPI over DTS" to be RHEL only (Peter Robinson)
- Update config for renamed panel driver. (Peter Robinson)
- Enable SERIAL_SC16IS7XX for SPI interfaces (Peter Robinson)
- Updated changelog for the release based on dcde237b9b0e (Fedora Kernel Team)
Resolves: rhbz#

Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
2020-07-13 10:05:15 -05:00

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1.6 KiB
Diff

From 0000000000000000000000000000000000000000 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 60f70f31060e..628d0ba68106 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -4094,11 +4094,17 @@ static int bpf_iter_create(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 && !bpf_capable())
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;
--
2.26.2