This is a note to let you know that I've just added the patch titled
hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()
to the 4.4-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:
hostfs-freeing-an-err_ptr-in-hostfs_fill_sb_common.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8a545f185145e3c09348cd74326268ecfc6715a3 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Wed, 13 Jul 2016 13:12:34 +0300
Subject: hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit 8a545f185145e3c09348cd74326268ecfc6715a3 upstream.
We can't pass error pointers to kfree() or it causes an oops.
Fixes: 52b209f7b848 ('get rid of hostfs_read_inode()')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/hostfs/hostfs_kern.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -959,10 +959,11 @@ static int hostfs_fill_sb_common(struct
if (S_ISLNK(root_inode->i_mode)) {
char *name = follow_link(host_root_path);
- if (IS_ERR(name))
+ if (IS_ERR(name)) {
err = PTR_ERR(name);
- else
- err = read_name(root_inode, name);
+ goto out_put;
+ }
+ err = read_name(root_inode, name);
kfree(name);
if (err)
goto out_put;
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-4.4/mtd-pmcmsp-flash-allocating-too-much-in-init_msp_flash.patch
queue-4.4/hostfs-freeing-an-err_ptr-in-hostfs_fill_sb_common.patch
queue-4.4/mtd-maps-sa1100-flash-potential-null-dereference.patch
queue-4.4/qxl-check-for-kmap-failures.patch
queue-4.4/power-supply-max17042_battery-fix-model-download-bug.patch
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