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From: Florian Weimer <fweimer@redhat.com>
To: Adhemerval Zanella via Libc-alpha <libc-alpha@sourceware.org>
Cc: jma14 <jma14@rice.edu>,  Carlos O'Donell <carlos@redhat.com>,
	Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	 John Mellor-Crummey <johnmc@rice.edu>
Subject: Re: [PATCH v12 1/4] elf: Add la_activity during application exit
Date: Wed, 26 Jan 2022 12:42:19 +0100	[thread overview]
Message-ID: <87sftau3j8.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <20220125183700.1280931-2-adhemerval.zanella@linaro.org> (Adhemerval Zanella via Libc-alpha's message of "Tue, 25 Jan 2022 15:36:57 -0300")

* Adhemerval Zanella via Libc-alpha:

> +static int
> +do_test (int argc, char *argv[])
> +{
> +  /* We must have either:
> +     - One our fource parameters left if called initially:
> +       + path to ld.so         optional
> +       + "--library-path"      optional
> +       + the library path      optional
> +       + the application name  */
> +  if (restart)
> +    return handle_restart ();
> +
> +  char *spargv[9];
> +  int i = 0;
> +  for (; i < argc - 1; i++)
> +    spargv[i] = argv[i + 1];
> +  spargv[i++] = (char *) "--direct";
> +  spargv[i++] = (char *) "--restart";
> +  spargv[i] = NULL;
> +  TEST_VERIFY_EXIT (i < array_length (spargv));

Sorry, I think this test is invalid because it happens after the
out-of-bounds write.  I expect that compilers will eventually warn about
that.

Thanks,
Florian


  reply	other threads:[~2022-01-26 11:42 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-25 18:36 [PATCH v12 0/4] Multiple rtld-audit fixes Adhemerval Zanella
2022-01-25 18:36 ` [PATCH v12 1/4] elf: Add la_activity during application exit Adhemerval Zanella
2022-01-26 11:42   ` Florian Weimer [this message]
2022-01-26 12:18     ` Adhemerval Zanella
2022-01-26 12:25       ` Florian Weimer
2022-02-01  4:21   ` Carlos O'Donell
2022-02-01 13:30     ` Adhemerval Zanella
2022-01-25 18:36 ` [PATCH v12 2/4] elf: Fix initial-exec TLS access on audit modules (BZ #28096) Adhemerval Zanella
2022-02-01  5:29   ` Carlos O'Donell
2022-02-01 13:35     ` Adhemerval Zanella
2022-01-25 18:36 ` [PATCH v12 3/4] elf: Issue la_symbind for bind-now (BZ #23734) Adhemerval Zanella
2022-02-01  6:06   ` Carlos O'Donell
2022-02-01 13:47     ` Adhemerval Zanella
2022-01-25 18:37 ` [PATCH v12 4/4] elf: Fix runtime linker auditing on aarch64 (BZ #26643) Adhemerval Zanella
2022-02-01  6:19   ` Carlos O'Donell
2022-02-01 14:11     ` Adhemerval Zanella
2022-02-01  6:45 ` [PATCH v12 0/4] Multiple rtld-audit fixes Carlos O'Donell
2022-02-01  7:53   ` John Mellor-Crummey

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