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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org, Florian Weimer <fweimer@redhat.com>
Subject: Re: [PATCH 05/11] nptl: Deallocate the thread stack on setup failure (BZ #19511)
Date: Wed, 26 May 2021 16:26:51 -0300	[thread overview]
Message-ID: <8b167010-9214-abc5-169e-ce1008c15749@linaro.org> (raw)
In-Reply-To: <20210526165728.1772546-6-adhemerval.zanella@linaro.org>



On 26/05/2021 13:57, Adhemerval Zanella wrote:
> @@ -435,10 +424,11 @@ start_thread (void *arg)
>  
>  	  /* And give it up right away.  */
>  	  lll_unlock (pd->lock, LLL_PRIVATE);
> -
> -	  LIBC_CANCEL_RESET (oldtype);
>  	}
>  
> +      if (pd->setup_failed == 1)
> +        __do_cancel ();
> +
>        LIBC_PROBE (pthread_start, 3, (pthread_t) pd, pd->start_routine, pd->arg);
>  
>        /* Run the code the user provided.  */

And this is wrong, the created thread does not own the PD anymore
since for setup_failed == 1, pd->stopped_start will be true.

We need to call __do_cancel in the if above.

  parent reply	other threads:[~2021-05-26 19:26 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-26 16:57 [PATCH 00/11] nptl: pthread cancellation refactor Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 01/11] nptl: Move Linux createthread to nptl Adhemerval Zanella
2021-05-26 17:14   ` Florian Weimer
2021-05-26 16:57 ` [PATCH 02/11] nptl: Move createthread to pthread_create Adhemerval Zanella
2021-05-26 17:16   ` Florian Weimer
2021-05-26 17:29     ` Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 03/11] support: Add xpthread_attr_setaffinity_np wrapper Adhemerval Zanella
2021-05-26 17:17   ` Florian Weimer
2021-05-27 22:35   ` Joseph Myers
2021-05-28  1:08     ` Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 04/11] nptl: Add pthread_attr_setaffinity_np failure test Adhemerval Zanella
2021-05-26 17:21   ` Florian Weimer
2021-05-26 17:30     ` Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 05/11] nptl: Deallocate the thread stack on setup failure (BZ #19511) Adhemerval Zanella
2021-05-26 17:33   ` Florian Weimer
2021-05-26 17:51     ` Adhemerval Zanella
2021-05-26 17:58       ` Florian Weimer
2021-05-26 19:19         ` Adhemerval Zanella
2021-05-26 18:21   ` Andreas Schwab
2021-05-26 18:40     ` Adhemerval Zanella
2021-05-26 19:26   ` Adhemerval Zanella [this message]
2021-05-27  7:43     ` Florian Weimer
2021-05-26 16:57 ` [PATCH 06/11] nptl: Install cancellation handler on pthread_cancel Adhemerval Zanella
2021-05-26 17:38   ` Florian Weimer
2021-05-26 17:52     ` Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 07/11] nptl: Remove CANCELING_BITMASK Adhemerval Zanella
2021-05-26 18:02   ` Florian Weimer
2021-06-15 22:07   ` Florian Weimer
2021-06-15 23:33     ` Adhemerval Zanella
2021-06-16 12:46       ` Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 08/11] nptl: Move cancel state out of cancelhandling Adhemerval Zanella
2021-05-26 18:20   ` Florian Weimer
2021-05-27 16:40     ` Adhemerval Zanella
2021-05-27 16:48       ` Florian Weimer
2021-05-27 16:57         ` Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 09/11] nptl: Move cancel type " Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 10/11] nptl: Implement raise in terms of pthread_kill Adhemerval Zanella
2021-05-26 16:57 ` [PATCH 11/11] nptl: Use pthread_kill on pthread_cancel Adhemerval Zanella

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