Revision 64b4c411a6c7a5f27555bfc2d6310b87bde3db67 authored by Andrew Morton on 21 October 2022, 04:19:22 UTC, committed by Andrew Morton on 28 October 2022, 20:37:22 UTC
These percpu counters are referenced in free_ipcs->freeque, so destroy
them later.
Fixes: 72d1e611082e ("ipc/msg: mitigate the lock contention with percpu counter")
Reported-by: syzbot+96e659d35b9d6b541152@syzkaller.appspotmail.com
Tested-by: Mark Rutland <mark.rutland@arm.com>
Cc: Jiebin Sun <jiebin.sun@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
1 parent 27d676a
synclink.h
/*
* SyncLink Multiprotocol Serial Adapter Driver
*
* $Id: synclink.h,v 3.14 2006/07/17 20:15:43 paulkf Exp $
*
* Copyright (C) 1998-2000 by Microgate Corporation
*
* Redistribution of this file is permitted under
* the terms of the GNU Public License (GPL)
*/
#ifndef _SYNCLINK_H_
#define _SYNCLINK_H_
#include <uapi/linux/synclink.h>
/* provide 32 bit ioctl compatibility on 64 bit systems */
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
struct MGSL_PARAMS32 {
compat_ulong_t mode;
unsigned char loopback;
unsigned short flags;
unsigned char encoding;
compat_ulong_t clock_speed;
unsigned char addr_filter;
unsigned short crc_type;
unsigned char preamble_length;
unsigned char preamble;
compat_ulong_t data_rate;
unsigned char data_bits;
unsigned char stop_bits;
unsigned char parity;
};
#define MGSL_IOCSPARAMS32 _IOW(MGSL_MAGIC_IOC,0,struct MGSL_PARAMS32)
#define MGSL_IOCGPARAMS32 _IOR(MGSL_MAGIC_IOC,1,struct MGSL_PARAMS32)
#endif
#endif /* _SYNCLINK_H_ */
Computing file changes ...
