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From:   Laurent Bigonville <bigon@debian.org>
To:     selinux-refpolicy@vger.kernel.org
Subject: [PATCH 1/2] Allow udevadm to read files in /run/udev/data
Date:   Mon,  9 Sep 2019 11:27:00 +0200
Message-Id: <20190909092701.8508-1-bigon@debian.org>
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Sender: selinux-refpolicy-owner@vger.kernel.org
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From: Laurent Bigonville <bigon@bigon.be>

With this commit, my basic debian buster installation is booting

type=PROCTITLE msg=audit(09/09/19 08:23:24.011:69) : proctitle=/bin/udevadm trigger --type=devices --action=add
type=PATH msg=audit(09/09/19 08:23:24.011:69) : item=0 name=/run/udev/data/+platform:QEMU0002:00 inode=12584 dev=00:15 mode=file,644 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:udev_var_run_t:s0 nametype=NORMAL cap_fp=none cap_fi=none cap_fe=0 cap_fver=0
type=CWD msg=audit(09/09/19 08:23:24.011:69) : cwd=/
type=SYSCALL msg=audit(09/09/19 08:23:24.011:69) : arch=x86_64 syscall=openat success=yes exit=5 a0=0xffffff9c a1=0x7fff993f0cb0 a2=O_RDONLY|O_CLOEXEC a3=0x0 items=1 ppid=1 pid=486 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=udevadm exe=/usr/bin/udevadm subj=system_u:system_r:udevadm_t:s0 key=(null)
type=AVC msg=audit(09/09/19 08:23:24.011:69) : avc:  denied  { open } for  pid=486 comm=udevadm path=/run/udev/data/+platform:QEMU0002:00 dev="tmpfs" ino=12584 scontext=system_u:system_r:udevadm_t:s0 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=file permissive=1
type=AVC msg=audit(09/09/19 08:23:24.011:69) : avc:  denied  { read } for  pid=486 comm=udevadm name=+platform:QEMU0002:00 dev="tmpfs" ino=12584 scontext=system_u:system_r:udevadm_t:s0 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=file permissive=1

Signed-off-by: Laurent Bigonville <bigon@bigon.be>
---
 policy/modules/system/udev.te | 1 +
 1 file changed, 1 insertion(+)

diff --git a/policy/modules/system/udev.te b/policy/modules/system/udev.te
index d02dff71..399e9157 100644
--- a/policy/modules/system/udev.te
+++ b/policy/modules/system/udev.te
@@ -394,6 +394,7 @@ delete_dirs_pattern(udevadm_t, udev_var_run_t, udev_var_run_t)
 delete_files_pattern(udevadm_t, udev_var_run_t, udev_var_run_t)
 delete_lnk_files_pattern(udevadm_t, udev_var_run_t, udev_var_run_t)
 list_dirs_pattern(udevadm_t, udev_var_run_t, udev_var_run_t)
+read_files_pattern(udevadm_t, udev_var_run_t, udev_var_run_t)
 
 dev_rw_sysfs(udevadm_t)
 dev_read_urand(udevadm_t)
-- 
2.23.0