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
tsacct_kern.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* tsacct_kern.h - kernel header for system accounting over taskstats interface
*
* Copyright (C) Jay Lan SGI
*/
#ifndef _LINUX_TSACCT_KERN_H
#define _LINUX_TSACCT_KERN_H
#include <linux/taskstats.h>
#ifdef CONFIG_TASKSTATS
extern void bacct_add_tsk(struct user_namespace *user_ns,
struct pid_namespace *pid_ns,
struct taskstats *stats, struct task_struct *tsk);
#else
static inline void bacct_add_tsk(struct user_namespace *user_ns,
struct pid_namespace *pid_ns,
struct taskstats *stats, struct task_struct *tsk)
{}
#endif /* CONFIG_TASKSTATS */
#ifdef CONFIG_TASK_XACCT
extern void xacct_add_tsk(struct taskstats *stats, struct task_struct *p);
extern void acct_update_integrals(struct task_struct *tsk);
extern void acct_account_cputime(struct task_struct *tsk);
extern void acct_clear_integrals(struct task_struct *tsk);
#else
static inline void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
{}
static inline void acct_update_integrals(struct task_struct *tsk)
{}
static inline void acct_account_cputime(struct task_struct *tsk)
{}
static inline void acct_clear_integrals(struct task_struct *tsk)
{}
#endif /* CONFIG_TASK_XACCT */
#endif
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