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From: Richard Palethorpe <rpalethorpe@suse.de>
To: Wei Gao <wegao@suse.com>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v1 2/2] ptrace06: Refactor the test using new LTP API
Date: Tue, 28 Nov 2023 09:31:02 +0000	[thread overview]
Message-ID: <87v89m6vq6.fsf@suse.de> (raw)
In-Reply-To: <20230925112245.30701-3-wegao@suse.com>

Hello,

Wei Gao via ltp <ltp@lists.linux.it> writes:

> Signed-off-by: Wei Gao <wegao@suse.com>
> ---
>  testcases/kernel/syscalls/ptrace/ptrace06.c | 306 +++++++++++---------
>  1 file changed, 175 insertions(+), 131 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/ptrace/ptrace06.c b/testcases/kernel/syscalls/ptrace/ptrace06.c
> index c0cb3b9bd..5829faea4 100644
> --- a/testcases/kernel/syscalls/ptrace/ptrace06.c
> +++ b/testcases/kernel/syscalls/ptrace/ptrace06.c
> @@ -1,32 +1,31 @@
> +// SPDX-License-Identifier: GPL-2.0-only
>  /*
> + * Copyright (c) 2008 Analog Devices Inc.
> + * Copyright (c) 2023 Wei Gao <wegao@suse.com>
> + */
> +
> +/*\
> + * [Description]
> + *
>   * check out-of-bound/unaligned addresses given to
>   *  - {PEEK,POKE}{DATA,TEXT,USER}
>   *  - {GET,SET}{,FG}REGS
>   *  - {GET,SET}SIGINFO
>   *
> - * Copyright (c) 2008 Analog Devices Inc.
> - *
> - * Licensed under the GPL-2 or later
>   */
>  
>  #define _GNU_SOURCE
>  
> -#include <errno.h>
> -#include <stdbool.h>
> -#include <stdio.h>
>  #include <stdlib.h>
> -#include <unistd.h>
> -
>  #include <config.h>
> -#include "ptrace.h"
>  
> -#include "test.h"
> -#include "spawn_ptrace_child.h"
> -#include "config.h"
> +#include "ptrace.h"
> +#include "tst_test.h"
>  
>  /* this should be sizeof(struct user), but that info is only found
>   * in the kernel asm/user.h which is not exported to userspace.
>   */
> +
>  #if defined(__i386__)
>  #define SIZEOF_USER 284
>  #elif defined(__x86_64__)
> @@ -35,168 +34,213 @@
>  #define SIZEOF_USER 0x1000	/* just pick a big number */
>  #endif
>  
> -char *TCID = "ptrace06";
> -
>  struct test_case_t {
>  	int request;
>  	long addr;
>  	long data;
>  } test_cases[] = {
>  	{
> -	PTRACE_PEEKDATA,.addr = 0}, {
> -	PTRACE_PEEKDATA,.addr = 1}, {
> -	PTRACE_PEEKDATA,.addr = 2}, {
> -	PTRACE_PEEKDATA,.addr = 3}, {
> -	PTRACE_PEEKDATA,.addr = -1}, {
> -	PTRACE_PEEKDATA,.addr = -2}, {
> -	PTRACE_PEEKDATA,.addr = -3}, {
> -	PTRACE_PEEKDATA,.addr = -4}, {
> -	PTRACE_PEEKTEXT,.addr = 0}, {
> -	PTRACE_PEEKTEXT,.addr = 1}, {
> -	PTRACE_PEEKTEXT,.addr = 2}, {
> -	PTRACE_PEEKTEXT,.addr = 3}, {
> -	PTRACE_PEEKTEXT,.addr = -1}, {
> -	PTRACE_PEEKTEXT,.addr = -2}, {
> -	PTRACE_PEEKTEXT,.addr = -3}, {
> -	PTRACE_PEEKTEXT,.addr = -4}, {
> -	PTRACE_PEEKUSER,.addr = SIZEOF_USER + 1}, {
> -	PTRACE_PEEKUSER,.addr = SIZEOF_USER + 2}, {
> -	PTRACE_PEEKUSER,.addr = SIZEOF_USER + 3}, {
> -	PTRACE_PEEKUSER,.addr = SIZEOF_USER + 4}, {
> -	PTRACE_PEEKUSER,.addr = -1}, {
> -	PTRACE_PEEKUSER,.addr = -2}, {
> -	PTRACE_PEEKUSER,.addr = -3}, {
> -	PTRACE_PEEKUSER,.addr = -4}, {
> -	PTRACE_POKEDATA,.addr = 0}, {
> -	PTRACE_POKEDATA,.addr = 1}, {
> -	PTRACE_POKEDATA,.addr = 2}, {
> -	PTRACE_POKEDATA,.addr = 3}, {
> -	PTRACE_POKEDATA,.addr = -1}, {
> -	PTRACE_POKEDATA,.addr = -2}, {
> -	PTRACE_POKEDATA,.addr = -3}, {
> -	PTRACE_POKEDATA,.addr = -4}, {
> -	PTRACE_POKETEXT,.addr = 0}, {
> -	PTRACE_POKETEXT,.addr = 1}, {
> -	PTRACE_POKETEXT,.addr = 2}, {
> -	PTRACE_POKETEXT,.addr = 3}, {
> -	PTRACE_POKETEXT,.addr = -1}, {
> -	PTRACE_POKETEXT,.addr = -2}, {
> -	PTRACE_POKETEXT,.addr = -3}, {
> -	PTRACE_POKETEXT,.addr = -4}, {
> -	PTRACE_POKEUSER,.addr = SIZEOF_USER + 1}, {
> -	PTRACE_POKEUSER,.addr = SIZEOF_USER + 2}, {
> -	PTRACE_POKEUSER,.addr = SIZEOF_USER + 3}, {
> -	PTRACE_POKEUSER,.addr = SIZEOF_USER + 4}, {
> -	PTRACE_POKEUSER,.addr = -1}, {
> -	PTRACE_POKEUSER,.addr = -2}, {
> -	PTRACE_POKEUSER,.addr = -3}, {
> -	PTRACE_POKEUSER,.addr = -4},
> +	PTRACE_PEEKDATA, .addr = 0}, {
> +	PTRACE_PEEKDATA, .addr = 1}, {
> +	PTRACE_PEEKDATA, .addr = 2}, {
> +	PTRACE_PEEKDATA, .addr = 3}, {
> +	PTRACE_PEEKDATA, .addr = -1}, {
> +	PTRACE_PEEKDATA, .addr = -2}, {
> +	PTRACE_PEEKDATA, .addr = -3}, {
> +	PTRACE_PEEKDATA, .addr = -4}, {
> +	PTRACE_PEEKTEXT, .addr = 0}, {
> +	PTRACE_PEEKTEXT, .addr = 1}, {
> +	PTRACE_PEEKTEXT, .addr = 2}, {
> +	PTRACE_PEEKTEXT, .addr = 3}, {
> +	PTRACE_PEEKTEXT, .addr = -1}, {
> +	PTRACE_PEEKTEXT, .addr = -2}, {
> +	PTRACE_PEEKTEXT, .addr = -3}, {
> +	PTRACE_PEEKTEXT, .addr = -4}, {
> +	PTRACE_PEEKUSER, .addr = SIZEOF_USER + 1}, {
> +	PTRACE_PEEKUSER, .addr = SIZEOF_USER + 2}, {
> +	PTRACE_PEEKUSER, .addr = SIZEOF_USER + 3}, {
> +	PTRACE_PEEKUSER, .addr = SIZEOF_USER + 4}, {
> +	PTRACE_PEEKUSER, .addr = -1}, {
> +	PTRACE_PEEKUSER, .addr = -2}, {
> +	PTRACE_PEEKUSER, .addr = -3}, {
> +	PTRACE_PEEKUSER, .addr = -4}, {
> +	PTRACE_POKEDATA, .addr = 0}, {
> +	PTRACE_POKEDATA, .addr = 1}, {
> +	PTRACE_POKEDATA, .addr = 2}, {
> +	PTRACE_POKEDATA, .addr = 3}, {
> +	PTRACE_POKEDATA, .addr = -1}, {
> +	PTRACE_POKEDATA, .addr = -2}, {
> +	PTRACE_POKEDATA, .addr = -3}, {
> +	PTRACE_POKEDATA, .addr = -4}, {
> +	PTRACE_POKETEXT, .addr = 0}, {
> +	PTRACE_POKETEXT, .addr = 1}, {
> +	PTRACE_POKETEXT, .addr = 2}, {
> +	PTRACE_POKETEXT, .addr = 3}, {
> +	PTRACE_POKETEXT, .addr = -1}, {
> +	PTRACE_POKETEXT, .addr = -2}, {
> +	PTRACE_POKETEXT, .addr = -3}, {
> +	PTRACE_POKETEXT, .addr = -4}, {
> +	PTRACE_POKEUSER, .addr = SIZEOF_USER + 1}, {
> +	PTRACE_POKEUSER, .addr = SIZEOF_USER + 2}, {
> +	PTRACE_POKEUSER, .addr = SIZEOF_USER + 3}, {
> +	PTRACE_POKEUSER, .addr = SIZEOF_USER + 4}, {
> +	PTRACE_POKEUSER, .addr = -1}, {
> +	PTRACE_POKEUSER, .addr = -2}, {
> +	PTRACE_POKEUSER, .addr = -3}, {
> +	PTRACE_POKEUSER, .addr = -4},
>  #ifdef PTRACE_GETREGS
>  	{
> -	PTRACE_GETREGS,.data = 0}, {
> -	PTRACE_GETREGS,.data = 1}, {
> -	PTRACE_GETREGS,.data = 2}, {
> -	PTRACE_GETREGS,.data = 3}, {
> -	PTRACE_GETREGS,.data = -1}, {
> -	PTRACE_GETREGS,.data = -2}, {
> -	PTRACE_GETREGS,.data = -3}, {
> -	PTRACE_GETREGS,.data = -4},
> +	PTRACE_GETREGS, .data = 0}, {
> +	PTRACE_GETREGS, .data = 1}, {
> +	PTRACE_GETREGS, .data = 2}, {
> +	PTRACE_GETREGS, .data = 3}, {
> +	PTRACE_GETREGS, .data = -1}, {
> +	PTRACE_GETREGS, .data = -2}, {
> +	PTRACE_GETREGS, .data = -3}, {
> +	PTRACE_GETREGS, .data = -4},
>  #endif
>  #ifdef PTRACE_GETFGREGS
>  	{
> -	PTRACE_GETFGREGS,.data = 0}, {
> -	PTRACE_GETFGREGS,.data = 1}, {
> -	PTRACE_GETFGREGS,.data = 2}, {
> -	PTRACE_GETFGREGS,.data = 3}, {
> -	PTRACE_GETFGREGS,.data = -1}, {
> -	PTRACE_GETFGREGS,.data = -2}, {
> -	PTRACE_GETFGREGS,.data = -3}, {
> -	PTRACE_GETFGREGS,.data = -4},
> +	PTRACE_GETFGREGS, .data = 0}, {
> +	PTRACE_GETFGREGS, .data = 1}, {
> +	PTRACE_GETFGREGS, .data = 2}, {
> +	PTRACE_GETFGREGS, .data = 3}, {
> +	PTRACE_GETFGREGS, .data = -1}, {
> +	PTRACE_GETFGREGS, .data = -2}, {
> +	PTRACE_GETFGREGS, .data = -3}, {
> +	PTRACE_GETFGREGS, .data = -4},
>  #endif
>  #ifdef PTRACE_SETREGS
>  	{
> -	PTRACE_SETREGS,.data = 0}, {
> -	PTRACE_SETREGS,.data = 1}, {
> -	PTRACE_SETREGS,.data = 2}, {
> -	PTRACE_SETREGS,.data = 3}, {
> -	PTRACE_SETREGS,.data = -1}, {
> -	PTRACE_SETREGS,.data = -2}, {
> -	PTRACE_SETREGS,.data = -3}, {
> -	PTRACE_SETREGS,.data = -4},
> +	PTRACE_SETREGS, .data = 0}, {
> +	PTRACE_SETREGS, .data = 1}, {
> +	PTRACE_SETREGS, .data = 2}, {
> +	PTRACE_SETREGS, .data = 3}, {
> +	PTRACE_SETREGS, .data = -1}, {
> +	PTRACE_SETREGS, .data = -2}, {
> +	PTRACE_SETREGS, .data = -3}, {
> +	PTRACE_SETREGS, .data = -4},
>  #endif
>  #ifdef PTRACE_SETFGREGS
>  	{
> -	PTRACE_SETFGREGS,.data = 0}, {
> -	PTRACE_SETFGREGS,.data = 1}, {
> -	PTRACE_SETFGREGS,.data = 2}, {
> -	PTRACE_SETFGREGS,.data = 3}, {
> -	PTRACE_SETFGREGS,.data = -1}, {
> -	PTRACE_SETFGREGS,.data = -2}, {
> -	PTRACE_SETFGREGS,.data = -3}, {
> -	PTRACE_SETFGREGS,.data = -4},
> +	PTRACE_SETFGREGS, .data = 0}, {
> +	PTRACE_SETFGREGS, .data = 1}, {
> +	PTRACE_SETFGREGS, .data = 2}, {
> +	PTRACE_SETFGREGS, .data = 3}, {
> +	PTRACE_SETFGREGS, .data = -1}, {
> +	PTRACE_SETFGREGS, .data = -2}, {
> +	PTRACE_SETFGREGS, .data = -3}, {
> +	PTRACE_SETFGREGS, .data = -4},
>  #endif
>  #if HAVE_DECL_PTRACE_GETSIGINFO
>  	{
> -	PTRACE_GETSIGINFO,.data = 0}, {
> -	PTRACE_GETSIGINFO,.data = 1}, {
> -	PTRACE_GETSIGINFO,.data = 2}, {
> -	PTRACE_GETSIGINFO,.data = 3}, {
> -	PTRACE_GETSIGINFO,.data = -1}, {
> -	PTRACE_GETSIGINFO,.data = -2}, {
> -	PTRACE_GETSIGINFO,.data = -3}, {
> -	PTRACE_GETSIGINFO,.data = -4},
> +	PTRACE_GETSIGINFO, .data = 0}, {
> +	PTRACE_GETSIGINFO, .data = 1}, {
> +	PTRACE_GETSIGINFO, .data = 2}, {
> +	PTRACE_GETSIGINFO, .data = 3}, {
> +	PTRACE_GETSIGINFO, .data = -1}, {
> +	PTRACE_GETSIGINFO, .data = -2}, {
> +	PTRACE_GETSIGINFO, .data = -3}, {
> +	PTRACE_GETSIGINFO, .data = -4},
>  #endif
>  #if HAVE_DECL_PTRACE_SETSIGINFO
>  	{
> -	PTRACE_SETSIGINFO,.data = 0}, {
> -	PTRACE_SETSIGINFO,.data = 1}, {
> -	PTRACE_SETSIGINFO,.data = 2}, {
> -	PTRACE_SETSIGINFO,.data = 3}, {
> -	PTRACE_SETSIGINFO,.data = -1}, {
> -	PTRACE_SETSIGINFO,.data = -2}, {
> -	PTRACE_SETSIGINFO,.data = -3}, {
> -	PTRACE_SETSIGINFO,.data = -4},
> +	PTRACE_SETSIGINFO, .data = 0}, {
> +	PTRACE_SETSIGINFO, .data = 1}, {
> +	PTRACE_SETSIGINFO, .data = 2}, {
> +	PTRACE_SETSIGINFO, .data = 3}, {
> +	PTRACE_SETSIGINFO, .data = -1}, {
> +	PTRACE_SETSIGINFO, .data = -2}, {
> +	PTRACE_SETSIGINFO, .data = -3}, {
> +	PTRACE_SETSIGINFO, .data = -4},
> +#endif
> +};
> +
> +#define SPT(x) [PTRACE_##x] = #x,
> +static char *strings[] = {
> +	SPT(TRACEME)
> +	SPT(PEEKTEXT)
> +	SPT(PEEKDATA)
> +	SPT(PEEKUSER)
> +	SPT(POKETEXT)
> +	SPT(POKEDATA)
> +	SPT(POKEUSER)
> +#ifdef PTRACE_GETREGS
> +	SPT(GETREGS)
> +#endif
> +#ifdef PTRACE_SETREGS
> +	SPT(SETREGS)
> +#endif
> +#ifdef PTRACE_GETSIGINFO
> +	SPT(GETSIGINFO)
> +#endif
> +#ifdef PTRACE_SETSIGINFO
> +	SPT(SETSIGINFO)
> +#endif
> +#ifdef PTRACE_GETFGREGS
> +	SPT(GETFGREGS)
> +#endif
> +#ifdef PTRACE_SETFGREGS
> +	SPT(SETFGREGS)
>  #endif
> +	SPT(KILL)
> +	SPT(SINGLESTEP)
>  };
>  
> -int TST_TOTAL = ARRAY_SIZE(test_cases);
> +static inline char *strptrace(int request)
> +{
> +	return strings[request];
> +}
> +
> +static void child(void)
> +{
> +	SAFE_PTRACE(PTRACE_TRACEME, 0, NULL, NULL);
> +	execl("/bin/echo", "/bin/echo", NULL);

This isn't guaranteed to exist.

-- 
Thank you,
Richard.

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  reply	other threads:[~2023-11-28 10:03 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-25 11:22 [LTP] [PATCH v1 0/2] ptrace: Refactor Wei Gao via ltp
2023-09-25 11:22 ` [LTP] [PATCH v1 1/2] ptrace05: Refactor the test using new LTP API Wei Gao via ltp
2023-11-28  8:57   ` Richard Palethorpe
2023-11-28  9:24   ` Petr Vorel
2023-09-25 11:22 ` [LTP] [PATCH v1 2/2] ptrace06: " Wei Gao via ltp
2023-11-28  9:31   ` Richard Palethorpe [this message]
2023-11-28  9:51   ` Petr Vorel
2023-12-01  1:06     ` Wei Gao via ltp
2023-12-01  0:59 ` [LTP] [PATCH v2 0/2] ptrace: Refactor Wei Gao via ltp
2023-12-01  0:59   ` [LTP] [PATCH v2 1/2] ptrace05: Refactor the test using new LTP API Wei Gao via ltp
2024-02-08 16:15     ` Andrea Cervesato via ltp
2023-12-01  0:59   ` [LTP] [PATCH v2 2/2] ptrace06: " Wei Gao via ltp
2024-02-08 16:25     ` Andrea Cervesato via ltp
2024-06-03 10:35   ` [LTP] [PATCH v3 0/2] ptrace: Refactor Wei Gao via ltp
2024-06-03 10:35     ` [LTP] [PATCH v3 1/2] ptrace05: Refactor the test using new LTP API Wei Gao via ltp
2024-06-28 15:35       ` Cyril Hrubis
2024-06-03 10:35     ` [LTP] [PATCH v3 2/2] ptrace06: " Wei Gao via ltp
2024-06-28 16:15       ` Cyril Hrubis
2024-12-17  6:16     ` [LTP] [PATCH v4 0/2] ptrace: Refactor Wei Gao via ltp
2024-12-17  6:16       ` [LTP] [PATCH v4 1/2] ptrace05: Refactor the test using new LTP API Wei Gao via ltp
2025-01-08 13:39         ` Petr Vorel
2024-12-17  6:16       ` [LTP] [PATCH v4 2/2] ptrace06: " Wei Gao via ltp
2025-01-09  8:55         ` Petr Vorel
2025-01-13  8:16       ` [LTP] [PATCH v5 0/2] ptrace: Refactor Wei Gao via ltp
2025-01-13  8:16         ` [LTP] [PATCH v5 1/2] ptrace05: Refactor the test using new LTP API Wei Gao via ltp
2025-01-13 16:02           ` Cyril Hrubis
2025-01-13 21:40             ` Petr Vorel
2025-01-14  9:25               ` Cyril Hrubis
2025-01-13  8:16         ` [LTP] [PATCH v5 2/2] ptrace06: " Wei Gao via ltp
2025-01-14 12:40         ` [LTP] [PATCH v6 0/2] ptrace: Refactor Wei Gao via ltp
2025-01-14 12:40           ` [LTP] [PATCH v6 1/2] ptrace05: Refactor the test using new LTP API Wei Gao via ltp
2025-01-14 13:05             ` Cyril Hrubis
2025-01-14 12:40           ` [LTP] [PATCH v6 2/2] ptrace06: " Wei Gao via ltp
2025-01-14 14:32           ` [LTP] [PATCH v7 0/2] ptrace: Refactor Wei Gao via ltp
2025-01-14 14:32             ` [LTP] [PATCH v7 1/2] ptrace05: Refactor the test using new LTP API Wei Gao via ltp
2025-01-16 16:44               ` Cyril Hrubis
2025-01-14 14:32             ` [LTP] [PATCH v7 2/2] ptrace06: " Wei Gao via ltp
2025-01-16 16:50               ` Cyril Hrubis
2025-01-17 10:40               ` Petr Vorel
2025-01-17 10:42                 ` Cyril Hrubis
2025-01-17 11:12                   ` Petr Vorel
2025-01-20  4:14             ` [LTP] [PATCH v8 0/2] ptrace: Refactor Wei Gao via ltp
2025-01-20  4:14               ` [LTP] [PATCH v8 1/2] ptrace06: Refactor the test using new LTP API Wei Gao via ltp
2025-01-20 13:35                 ` Petr Vorel
2025-01-20  4:14               ` [LTP] [PATCH v8 2/2] ptrace06_child.c: Remove unused ptrace06_child.c Wei Gao via ltp

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