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From: Paul Eggert <eggert@cs.ucla.edu>
To: Zack Weinberg <zackw@panix.com>, Joseph Myers <joseph@codesourcery.com>
Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	Andreas Schwab <schwab@linux-m68k.org>,
	GNU C Library <libc-alpha@sourceware.org>
Subject: Re: [PATCH 3/9] posix: Allow glob to match dangling symlinks [BZ #866]
Date: Mon, 11 Sep 2017 16:53:00 -0000	[thread overview]
Message-ID: <a57c2a1b-4c33-eee6-d9f4-cbb50ba1b69c@cs.ucla.edu> (raw)
In-Reply-To: <CAKCAbMjxHb7e5Qf=C3ybPcmE3e78xpfLMQREvNm02CFk=843BQ@mail.gmail.com>

On 09/11/2017 07:38 AM, Zack Weinberg wrote:
> If this is done, the new symbol version should attempt to validate the
> altdirfuncs structure on entry

I don't see how glob could do that reliably and cheaply. How does one 
validate that a pointer to a stat-like function is actually a pointer to 
a stat-like function? All one can do is call the function and pray.

  reply	other threads:[~2017-09-11 16:53 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-05 20:25 [PATCH 0/9] posix: glob fixes and refactor Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 9/9] posix: Fix glob with GLOB_NOCHECK returning modified patterns (BZ#10246) Adhemerval Zanella
2017-09-07 22:14   ` Paul Eggert
2017-09-08  9:16     ` Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 5/9] posix: Fix getpwnam_r usage (BZ #1062) Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 8/9] posix: Use enum for __glob_pattern_type result Adhemerval Zanella
2017-09-06  1:30   ` Paul Eggert
2017-09-06  4:18   ` Paul Eggert
2017-09-06 13:04     ` Adhemerval Zanella
2017-09-06 16:18       ` Paul Eggert
2017-09-06 16:54         ` Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 3/9] posix: Allow glob to match dangling symlinks [BZ #866] Adhemerval Zanella
2017-09-06  1:27   ` Paul Eggert
2017-09-06 12:57     ` Adhemerval Zanella
2017-09-09  9:50   ` Andreas Schwab
2017-09-09 11:56     ` Adhemerval Zanella
2017-09-09 17:02       ` Paul Eggert
2017-09-09 17:11         ` Zack Weinberg
2017-09-09 17:26           ` Andreas Schwab
2017-09-09 17:33             ` Zack Weinberg
2017-09-10  8:19         ` Adhemerval Zanella
2017-09-10 17:13           ` Paul Eggert
2017-09-11 14:34           ` Joseph Myers
2017-09-11 14:38             ` Zack Weinberg
2017-09-11 16:53               ` Paul Eggert [this message]
2017-09-11 17:25                 ` Zack Weinberg
2017-09-11 17:38                   ` Paul Eggert
2017-09-11 17:56                     ` Zack Weinberg
2017-09-11 18:03                       ` Paul Eggert
2017-09-11 20:09                         ` Adhemerval Zanella
2017-09-13  9:14                           ` Paul Eggert
2017-09-13 12:22                             ` Adhemerval Zanella
2017-09-14 10:05                               ` Szabolcs Nagy
2017-09-14 13:43                                 ` Adhemerval Zanella
2017-09-15 20:18                             ` Florian Weimer
2017-09-15 20:27                               ` Adhemerval Zanella
2017-09-17  7:16                               ` Paul Eggert
2017-09-17  7:48                                 ` Florian Weimer
2017-09-17 14:18                                   ` Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 6/9] posix: fix glob bugs with long login names Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 4/9] Sync scratch_buffer with gnulib Adhemerval Zanella
2017-09-18  6:09   ` Florian Weimer
2017-09-18 11:43     ` Adhemerval Zanella
2017-09-18 11:57       ` Florian Weimer
2017-09-18 12:25         ` Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 1/9] posix: Sync glob with gnulib [BZ #1062] Adhemerval Zanella
2017-09-06  2:01   ` Paul Eggert
2017-09-06 12:52     ` Adhemerval Zanella
2017-09-12 14:20   ` Andreas Schwab
2017-09-12 17:06     ` Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 7/9] posix: Consolidate glob implementation Adhemerval Zanella
2017-09-12  7:35   ` Andreas Schwab
2017-09-12 14:08     ` Adhemerval Zanella
2017-09-12 14:17       ` Andreas Schwab
2017-09-12 14:29     ` Joseph Myers
2017-09-12 14:39       ` Andreas Schwab
2017-09-12 14:50         ` Joseph Myers
2017-09-12 12:56   ` Andreas Schwab
2017-09-12 14:22     ` Adhemerval Zanella
2017-09-12 14:34       ` Andreas Schwab
2017-09-13 12:26         ` Adhemerval Zanella
2017-09-05 20:25 ` [PATCH 2/9] posix: accept inode 0 is a valid inode number (BZ #19971) Adhemerval Zanella

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