Revision 5dfcc87fd79dfb96ed155b524337dbd0da4f5993 authored by Miklos Szeredi on 12 September 2011, 07:38:03 UTC, committed by Linus Torvalds on 12 September 2011, 18:47:10 UTC
kmemleak is reporting that 32 bytes are being leaked by FUSE: unreferenced object 0xe373b270 (size 32): comm "fusermount", pid 1207, jiffies 4294707026 (age 2675.187s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<b05517d7>] kmemleak_alloc+0x27/0x50 [<b0196435>] kmem_cache_alloc+0xc5/0x180 [<b02455be>] fuse_alloc_forget+0x1e/0x20 [<b0245670>] fuse_alloc_inode+0xb0/0xd0 [<b01b1a8c>] alloc_inode+0x1c/0x80 [<b01b290f>] iget5_locked+0x8f/0x1a0 [<b0246022>] fuse_iget+0x72/0x1a0 [<b02461da>] fuse_get_root_inode+0x8a/0x90 [<b02465cf>] fuse_fill_super+0x3ef/0x590 [<b019e56f>] mount_nodev+0x3f/0x90 [<b0244e95>] fuse_mount+0x15/0x20 [<b019d1bc>] mount_fs+0x1c/0xc0 [<b01b5811>] vfs_kern_mount+0x41/0x90 [<b01b5af9>] do_kern_mount+0x39/0xd0 [<b01b7585>] do_mount+0x2e5/0x660 [<b01b7966>] sys_mount+0x66/0xa0 This leak report is consistent and happens once per boot on 3.1.0-rc5-dirty. This happens if a FORGET request is queued after the fuse device was released. Reported-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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noinitramfs.c
/*
* init/noinitramfs.c
*
* Copyright (C) 2006, NXP Semiconductors, All Rights Reserved
* Author: Jean-Paul Saman <jean-paul.saman@nxp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/stat.h>
#include <linux/kdev_t.h>
#include <linux/syscalls.h>
/*
* Create a simple rootfs that is similar to the default initramfs
*/
static int __init default_rootfs(void)
{
int err;
err = sys_mkdir((const char __user __force *) "/dev", 0755);
if (err < 0)
goto out;
err = sys_mknod((const char __user __force *) "/dev/console",
S_IFCHR | S_IRUSR | S_IWUSR,
new_encode_dev(MKDEV(5, 1)));
if (err < 0)
goto out;
err = sys_mkdir((const char __user __force *) "/root", 0700);
if (err < 0)
goto out;
return 0;
out:
printk(KERN_WARNING "Failed to create a rootfs\n");
return err;
}
rootfs_initcall(default_rootfs);
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