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
bsg.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BSG_H
#define _LINUX_BSG_H
#include <uapi/linux/bsg.h>
struct bsg_device;
struct device;
struct request_queue;
typedef int (bsg_sg_io_fn)(struct request_queue *, struct sg_io_v4 *hdr,
fmode_t mode, unsigned int timeout);
struct bsg_device *bsg_register_queue(struct request_queue *q,
struct device *parent, const char *name,
bsg_sg_io_fn *sg_io_fn);
void bsg_unregister_queue(struct bsg_device *bcd);
#endif /* _LINUX_BSG_H */
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