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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 
ipc/msg.c: fix percpu_counter use after free
 
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
Raw File
bcm47xx_sprom.h 
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 */

#ifndef __BCM47XX_SPROM_H
#define __BCM47XX_SPROM_H

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/vmalloc.h>

struct ssb_sprom;

#ifdef CONFIG_BCM47XX_SPROM
void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
			bool fallback);
int bcm47xx_sprom_register_fallbacks(void);
#else
static inline void bcm47xx_fill_sprom(struct ssb_sprom *sprom,
				      const char *prefix,
				      bool fallback)
{
}

static inline int bcm47xx_sprom_register_fallbacks(void)
{
	return -ENOTSUPP;
};
#endif

#endif /* __BCM47XX_SPROM_H */
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