diff options
Diffstat (limited to 'sys-kernel/dracut/files/dracut-044-preserve-xattrs-when-copying.patch')
| -rw-r--r-- | sys-kernel/dracut/files/dracut-044-preserve-xattrs-when-copying.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sys-kernel/dracut/files/dracut-044-preserve-xattrs-when-copying.patch b/sys-kernel/dracut/files/dracut-044-preserve-xattrs-when-copying.patch new file mode 100644 index 000000000000..3146d8485a9c --- /dev/null +++ b/sys-kernel/dracut/files/dracut-044-preserve-xattrs-when-copying.patch @@ -0,0 +1,51 @@ +From 61c761bc2c35fb244d46fbbde97161f5927071dc Mon Sep 17 00:00:00 2001 +From: Stefan Berger <stefanb@us.ibm.com> +Date: Tue, 25 Oct 2016 15:09:49 -0400 +Subject: [PATCH] dracut-install: preserve extended attributes when copying + files + +Preserve extended attributes when copying files using dracut-install. + +The copying of extended attributes avoids file execution denials when +the Linux Integrity Measurement's Appraisal mode is active. In that mode +executables need their file signatures copied. In particular, this patch +solves the problem that dependent libaries are not included in the +initramfs since the copied programs could not be executed due to missing +signatures. The following audit record shows the type of failure that +is now prevented: + +type=INTEGRITY_DATA msg=audit(1477409025.492:30065): pid=922 uid=0 + auid=4294967295 ses=4294967295 + subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 + op="appraise_data" cause="IMA-signature-required" + comm="ld-linux-x86-64" + name="/var/tmp/dracut.R6ySa4/initramfs/usr/bin/journalctl" + dev="dm-0" ino=37136 res=0 + +Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> +--- + install/dracut-install.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/install/dracut-install.c b/install/dracut-install.c +index fe30bba..c0f1c17 100644 +--- a/install/dracut-install.c ++++ b/install/dracut-install.c +@@ -294,7 +294,7 @@ static int cp(const char *src, const char *dst) + normal_copy: + pid = fork(); + if (pid == 0) { +- execlp("cp", "cp", "--reflink=auto", "--sparse=auto", "--preserve=mode,timestamps", "-fL", src, dst, ++ execlp("cp", "cp", "--reflink=auto", "--sparse=auto", "--preserve=mode,timestamps,xattr", "-fL", src, dst, + NULL); + _exit(EXIT_FAILURE); + } +@@ -302,7 +302,7 @@ static int cp(const char *src, const char *dst) + while (waitpid(pid, &ret, 0) < 0) { + if (errno != EINTR) { + ret = -1; +- log_error("Failed: cp --reflink=auto --sparse=auto --preserve=mode,timestamps -fL %s %s", src, ++ log_error("Failed: cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr -fL %s %s", src, + dst); + break; + } |