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From: Florian Weimer <fweimer@redhat.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: GNU C Library <libc-alpha@sourceware.org>
Subject: Re: [PATCH 1/2] Linux/x86: Update cancel_jmp_buf to match __jmp_buf_tag [BZ #22563]
Date: Mon, 18 Dec 2017 11:49:00 -0000	[thread overview]
Message-ID: <4e80a87a-c90a-85a6-daf1-cbbf71d0bf58@redhat.com> (raw)
In-Reply-To: <CAMe9rOqiSm6GfuXCAwL3zuuRO5mzdMtx3MkrxBpdgSC0nNCghw@mail.gmail.com>

On 12/18/2017 12:42 PM, H.J. Lu wrote:
> We need to restore shadow stack pointer here so that we can jump back
> to the function where __sigsetjmp  is called.

But neither __sigsetjmp (when called the second time) nor the function 
that calls it return normally during cancellation, so it is still 
completely unclear to me what issue you are observing.

Could you post a backtrace from the CET verification failure, please?

Thanks,
Florian

  reply	other threads:[~2017-12-18 11:49 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-07 17:41 H.J. Lu
2017-12-07 17:58 ` Joseph Myers
2017-12-07 18:37 ` Florian Weimer
2017-12-07 18:59   ` H.J. Lu
2017-12-07 19:09     ` Florian Weimer
2017-12-07 19:12       ` H.J. Lu
2017-12-07 19:14         ` Florian Weimer
2017-12-07 19:19           ` H.J. Lu
2017-12-07 19:25             ` Florian Weimer
2017-12-07 19:35               ` H.J. Lu
2017-12-08  2:25                 ` H.J. Lu
2017-12-14 13:06                   ` H.J. Lu
2017-12-15 17:43                     ` H.J. Lu
2017-12-18 10:25                   ` Florian Weimer
2017-12-18 11:42                     ` H.J. Lu
2017-12-18 11:49                       ` Florian Weimer [this message]
2017-12-18 12:25                         ` H.J. Lu
2017-12-18 12:52                           ` Florian Weimer
2017-12-18 13:19                             ` H.J. Lu
2017-12-18 14:13                               ` H.J. Lu
2017-12-18 14:45                                 ` Andreas Schwab
2017-12-18 14:48                                   ` H.J. Lu
2017-12-18 16:29                                     ` H.J. Lu
2018-01-09 10:47                                     ` Florian Weimer
2018-01-09 12:17                                       ` H.J. Lu
2018-01-09 16:20                                         ` Senkevich, Andrew
2018-01-21 16:16                                       ` Aurelien Jarno
2018-01-21 16:27                                         ` H.J. Lu
2018-01-21 16:50                                           ` Carlos O'Donell
2018-01-22 14:44                                           ` Senkevich, Andrew
2018-01-23 19:35                                             ` Carlos O'Donell
2018-01-23 21:13                                               ` Senkevich, Andrew
2018-01-24 18:08                                                 ` H.J. Lu
2018-01-24 18:23                                                   ` Florian Weimer
2018-01-25  0:32                                                     ` Carlos O'Donell
2018-01-25  0:56                                                       ` Joseph Myers
2018-01-25  1:09                                                       ` H.J. Lu
2018-01-25  1:44                                                         ` Carlos O'Donell
2018-01-25  1:48                                                         ` Dmitry V. Levin
2018-01-25  4:53                                                           ` [PATCH] Revert Intel CET changes to __jmp_buf_tag (Bug 22743) Carlos O'Donell
2018-01-25  5:33                                                             ` H.J. Lu
2018-01-25  9:47                                                               ` Florian Weimer
2018-01-25 12:38                                                                 ` H.J. Lu
2018-01-25 12:50                                                                   ` Florian Weimer
2018-01-25 13:00                                                                     ` H.J. Lu
2018-01-25 14:56                                                                       ` Zack Weinberg
2018-01-25 15:33                                                                         ` H.J. Lu
2018-01-25 16:22                                                                           ` Zack Weinberg
2018-01-25 16:28                                                                             ` H.J. Lu
2018-01-25 16:36                                                                               ` Carlos O'Donell
2018-01-25 16:40                                                                                 ` H.J. Lu
2018-01-25 16:46                                                                                   ` Carlos O'Donell
2018-01-25 17:01                                                                                     ` H.J. Lu
2018-01-26  7:46                                                                                       ` Carlos O'Donell
2018-01-28 18:40                                                                                         ` H.J. Lu
2018-01-25 16:47                                                                             ` Florian Weimer
2018-01-25 16:55                                                                               ` H.J. Lu
2018-01-25 18:26                                                                         ` Joseph Myers
2018-01-25 19:21                                                                     ` H.J. Lu
2018-01-25 16:37                                                               ` Carlos O'Donell
2018-01-25 16:38                                                                 ` Florian Weimer
2017-12-18 17:37                                 ` [PATCH 1/2] Linux/x86: Update cancel_jmp_buf to match __jmp_buf_tag [BZ #22563] Joseph Myers
2017-12-18 21:19                                   ` H.J. Lu

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