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From: David Marchand <david.marchand@redhat.com>
To: Jerin Jacob <jerinjacobk@gmail.com>
Cc: Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	Sunil Kumar Kori <skori@marvell.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 0/3] Rework CTF event description storage
Date: Wed, 28 Oct 2020 16:59:01 +0100
Message-ID: <CAJFAV8yoS5QUUWg4agqSdqcCoTfsW5nX7CP3dktzK6Seh93Hpw@mail.gmail.com> (raw)
In-Reply-To: <CAJFAV8xMa8DhzGYtU_aATO0E7SQ=CJ1QdQv3MS+ms2r7=SEu9w@mail.gmail.com>

On Wed, Oct 28, 2020 at 4:17 PM David Marchand
<david.marchand@redhat.com> wrote:
> This fixes it:
> @@ -37,11 +37,12 @@ meta_copy(char **meta, int *offset, char *str, int rc)
>         if (rc < 0)
>                 return rc;
>
> -       ptr = realloc(ptr, count + rc);
> +       ptr = realloc(ptr, count + rc + 1);
>         if (ptr == NULL)
>                 goto free_str;
>
>         memcpy(RTE_PTR_ADD(ptr, count), str, rc);
> +       ptr[count + rc] = '\0';
>         count += rc;
>         free(str);
>

The other alternative is to prefer libc string formatting functions
rather than plain memory alloc + copy + manual null termination:
https://github.com/david-marchand/dpdk/commit/traces


-- 
David Marchand


  reply	other threads:[~2020-10-28 15:59 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-23  8:00 David Marchand
2020-10-23  8:00 ` [dpdk-dev] [PATCH 1/3] trace: fixup CTF event description at registration David Marchand
2020-10-23  8:00 ` [dpdk-dev] [PATCH 2/3] trace: remove size limit on CTF event description David Marchand
2020-10-28  9:06   ` Jerin Jacob
2020-10-23  8:00 ` [dpdk-dev] [PATCH 3/3] trace: make CTF metadata prettier David Marchand
2020-10-27 19:43 ` [dpdk-dev] [PATCH 0/3] Rework CTF event description storage David Marchand
2020-10-28  8:52   ` Jerin Jacob
2020-10-28 13:09     ` David Marchand
2020-10-28 15:17       ` David Marchand
2020-10-28 15:59         ` David Marchand [this message]
2020-10-28 21:02 ` [dpdk-dev] [PATCH v2 0/4] " David Marchand
2020-10-28 21:02   ` [dpdk-dev] [PATCH v2 1/4] trace: fixup CTF event description at registration David Marchand
2020-10-29  8:35     ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-10-28 21:02   ` [dpdk-dev] [PATCH v2 2/4] trace: remove size limit on CTF event description David Marchand
2020-10-29  8:41     ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-10-29  8:51       ` David Marchand
2020-10-29  9:36         ` Sunil Kumar Kori
2020-10-29 10:02           ` David Marchand
2020-10-29 10:31             ` Sunil Kumar Kori
2020-10-28 21:02   ` [dpdk-dev] [PATCH v2 3/4] trace: fix metadata dump David Marchand
2020-10-29  8:36     ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-10-28 21:02   ` [dpdk-dev] [PATCH v2 4/4] trace: make CTF metadata prettier David Marchand
2020-10-29  8:37     ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-10-29 21:50   ` [dpdk-dev] [PATCH v2 0/4] Rework CTF event description storage David Marchand

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