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Revision b42b3a2744b3e8f427de79896720c72823af91ad authored by Oliver Hartkopp on 12 January 2021, 09:16:43 UTC, committed by Marc Kleine-Budde on 13 January 2021, 21:15:13 UTC 
can: isotp: isotp_getname(): fix kernel information leak
 
Initialize the sockaddr_can structure to prevent a data leak to user space.

Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Reported-by: syzbot+057884e2f453e8afebc8@syzkaller.appspotmail.com
Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol")
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20210112091643.11789-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
1 parent a95d25d
Raw File
do_mounts.h 
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/syscalls.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/mount.h>
#include <linux/major.h>
#include <linux/root_dev.h>
#include <linux/init_syscalls.h>

void  mount_block_root(char *name, int flags);
void  mount_root(void);
extern int root_mountflags;

static inline __init int create_dev(char *name, dev_t dev)
{
	init_unlink(name);
	return init_mknod(name, S_IFBLK | 0600, new_encode_dev(dev));
}

#ifdef CONFIG_BLK_DEV_RAM

int __init rd_load_disk(int n);
int __init rd_load_image(char *from);

#else

static inline int rd_load_disk(int n) { return 0; }
static inline int rd_load_image(char *from) { return 0; }

#endif

#ifdef CONFIG_BLK_DEV_INITRD

bool __init initrd_load(void);

#else

static inline bool initrd_load(void) { return false; }

#endif
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