This is a note to let you know that I've just added the patch titled
pstore: Fix duplicate {console,ftrace}-efi entries
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pstore-fix-duplicate-console-ftrace-efi-entries.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d4bf205da618bbd0b038e404d646f14e76915718 Mon Sep 17 00:00:00 2001
From: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx>
Date: Sun, 12 Oct 2014 23:09:08 -0400
Subject: pstore: Fix duplicate {console,ftrace}-efi entries
From: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx>
commit d4bf205da618bbd0b038e404d646f14e76915718 upstream.
The pstore filesystem still creates duplicate filename/inode pairs for
some pstore types. Add the id to the filename to prevent that.
Before patch:
[/sys/fs/pstore] ls -li
total 0
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi
After:
[/sys/fs/pstore] ls -li
total 0
1232 -r--r--r--. 1 root root 148 Sep 29 17:09 console-efi-141202499100000
1231 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi-141202499200000
1230 -r--r--r--. 1 root root 148 Sep 29 17:44 console-efi-141202705400000
1229 -r--r--r--. 1 root root 67 Sep 29 17:44 console-efi-141202705500000
1228 -r--r--r--. 1 root root 67 Sep 29 20:42 console-efi-141203772600000
1227 -r--r--r--. 1 root root 148 Sep 29 23:42 console-efi-141204854900000
1226 -r--r--r--. 1 root root 67 Sep 29 23:42 console-efi-141204855000000
1225 -r--r--r--. 1 root root 148 Sep 29 23:59 console-efi-141204954200000
1224 -r--r--r--. 1 root root 67 Sep 29 23:59 console-efi-141204954400000
Signed-off-by: Valdis Kletnieks <valdis.kletnieks@xxxxxx>
Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/pstore/inode.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -316,10 +316,10 @@ int pstore_mkfile(enum pstore_type_id ty
sprintf(name, "dmesg-%s-%lld", psname, id);
break;
case PSTORE_TYPE_CONSOLE:
- sprintf(name, "console-%s", psname);
+ sprintf(name, "console-%s-%lld", psname, id);
break;
case PSTORE_TYPE_FTRACE:
- sprintf(name, "ftrace-%s", psname);
+ sprintf(name, "ftrace-%s-%lld", psname, id);
break;
case PSTORE_TYPE_MCE:
sprintf(name, "mce-%s-%lld", psname, id);
Patches currently in stable-queue which might be from Valdis.Kletnieks@xxxxxx are
queue-3.10/pstore-fix-duplicate-console-ftrace-efi-entries.patch
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