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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
fwnode_mdio.h 
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * FWNODE helper for the MDIO (Ethernet PHY) API
 */

#ifndef __LINUX_FWNODE_MDIO_H
#define __LINUX_FWNODE_MDIO_H

#include <linux/phy.h>

#if IS_ENABLED(CONFIG_FWNODE_MDIO)
int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
				       struct phy_device *phy,
				       struct fwnode_handle *child, u32 addr);

int fwnode_mdiobus_register_phy(struct mii_bus *bus,
				struct fwnode_handle *child, u32 addr);

#else /* CONFIG_FWNODE_MDIO */
int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
				       struct phy_device *phy,
				       struct fwnode_handle *child, u32 addr)
{
	return -EINVAL;
}

static inline int fwnode_mdiobus_register_phy(struct mii_bus *bus,
					      struct fwnode_handle *child,
					      u32 addr)
{
	return -EINVAL;
}
#endif

#endif /* __LINUX_FWNODE_MDIO_H */
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