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author | Justin M. Forbes <jforbes@fedoraproject.org> | 2020-07-13 10:05:15 -0500 |
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committer | Justin M. Forbes <jforbes@fedoraproject.org> | 2020-07-13 10:05:15 -0500 |
commit | aa5ab7f890a036ab6802c7a0c8cf8459a324e3c2 (patch) | |
tree | f637c079f5bb221193d2a33f5520f477a02bae0e /0001-selinux-allow-reading-labels-before-policy-is-loaded.patch | |
parent | d8d578bfa82493a49b71c8665b2f48c3e6df3617 (diff) | |
download | kernel-aa5ab7f890a036ab6802c7a0c8cf8459a324e3c2.tar.gz kernel-aa5ab7f890a036ab6802c7a0c8cf8459a324e3c2.tar.xz kernel-aa5ab7f890a036ab6802c7a0c8cf8459a324e3c2.zip |
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>
Diffstat (limited to '0001-selinux-allow-reading-labels-before-policy-is-loaded.patch')
-rw-r--r-- | 0001-selinux-allow-reading-labels-before-policy-is-loaded.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/0001-selinux-allow-reading-labels-before-policy-is-loaded.patch b/0001-selinux-allow-reading-labels-before-policy-is-loaded.patch new file mode 100644 index 000000000..5c2384cd6 --- /dev/null +++ b/0001-selinux-allow-reading-labels-before-policy-is-loaded.patch @@ -0,0 +1,49 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jonathan Lebon <jlebon@redhat.com> +Date: Thu, 28 May 2020 10:39:40 -0400 +Subject: [PATCH] selinux: allow reading labels before policy is loaded + +This patch does for `getxattr` what commit 3e3e24b42043 ("selinux: allow +labeling before policy is loaded") did for `setxattr`; it allows +querying the current SELinux label on disk before the policy is loaded. + +One of the motivations described in that commit message also drives this +patch: for Fedora CoreOS (and eventually RHEL CoreOS), we want to be +able to move the root filesystem for example, from xfs to ext4 on RAID, +on first boot, at initrd time.[1] + +Because such an operation works at the filesystem level, we need to be +able to read the SELinux labels first from the original root, and apply +them to the files of the new root. The previous commit enabled the +second part of this process; this commit enables the first part. + +[1] https://github.com/coreos/fedora-coreos-tracker/issues/94 + +Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com> +Signed-off-by: Jonathan Lebon <jlebon@redhat.com> +Signed-off-by: Paul Moore <paul@paul-moore.com> +--- + security/selinux/hooks.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c +index efa6108b1ce9..ca901025802a 100644 +--- a/security/selinux/hooks.c ++++ b/security/selinux/hooks.c +@@ -3332,7 +3332,12 @@ static int selinux_inode_getsecurity(struct inode *inode, const char *name, void + char *context = NULL; + struct inode_security_struct *isec; + +- if (strcmp(name, XATTR_SELINUX_SUFFIX)) ++ /* ++ * If we're not initialized yet, then we can't validate contexts, so ++ * just let vfs_getxattr fall back to using the on-disk xattr. ++ */ ++ if (!selinux_initialized(&selinux_state) || ++ strcmp(name, XATTR_SELINUX_SUFFIX)) + return -EOPNOTSUPP; + + /* +-- +2.26.2 + |