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Revision f2ebf8ffe7af10bff02d34addbebd9199de65ed2 authored by Riccardo Mancini on 15 July 2021, 16:07:21 UTC, committed by Arnaldo Carvalho de Melo on 15 July 2021, 20:34:39 UTC 
perf trace: Free syscall->arg_fmt
 
ASan reports several memory leaks running:

  # perf test "88: Check open filename arg using perf trace + vfs_getname"

The second of these leaks is caused by the arg_fmt field of syscall not
being deallocated.

This patch adds a new function syscall__exit which is called on all
syscalls.table entries in trace__exit, which will free the arg_fmt
field.

Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/d68f25c043d30464ac9fa79c3399e18f429bca82.1626343282.git.rickyman7@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1 parent 6c7f0ab
Raw File
sm4.h 
/* SPDX-License-Identifier: GPL-2.0 */

/*
 * Common values for the SM4 algorithm
 * Copyright (C) 2018 ARM Limited or its affiliates.
 */

#ifndef _CRYPTO_SM4_H
#define _CRYPTO_SM4_H

#include <linux/types.h>
#include <linux/crypto.h>

#define SM4_KEY_SIZE	16
#define SM4_BLOCK_SIZE	16
#define SM4_RKEY_WORDS	32

struct crypto_sm4_ctx {
	u32 rkey_enc[SM4_RKEY_WORDS];
	u32 rkey_dec[SM4_RKEY_WORDS];
};

int crypto_sm4_set_key(struct crypto_tfm *tfm, const u8 *in_key,
		       unsigned int key_len);
int crypto_sm4_expand_key(struct crypto_sm4_ctx *ctx, const u8 *in_key,
			  unsigned int key_len);

void crypto_sm4_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);
void crypto_sm4_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in);

#endif
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