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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Florian Weimer <fweimer@redhat.com>,
	Adhemerval Zanella via Libc-alpha <libc-alpha@sourceware.org>
Subject: Re: [PATCH v3] linux: Fix __closefrom_fallback iterates until max int (BZ#28993)
Date: Tue, 5 Apr 2022 08:09:07 -0300	[thread overview]
Message-ID: <74507db6-d3cf-d8c8-02dd-ce982494ed28@linaro.org> (raw)
In-Reply-To: <87r16c2ehm.fsf@oldenburg.str.redhat.com>



On 05/04/2022 04:09, Florian Weimer wrote:
> * Adhemerval Zanella via Libc-alpha:
> 
>> The __closefrom_fallback tries to get a available file descriptor
>> if the initial open ("/proc/self/fd/", ...) fails.  It assumes the
>> failure would be only if procfs is not mount (ENOENT), however if
>> the the proc file is not accessible (due some other kernel filtering
>> such apparmor) it will iterate over a potentially large file set
>> issuing close calls.
>>
>> It should only try the close fallback if open returns EMFILE.
> 
> The last line no longer matches the patch.

Ack, I will update it.

> 
> Rest looks okay.

Thanks.

      reply	other threads:[~2022-04-05 11:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-04 21:01 Adhemerval Zanella
2022-04-05  7:09 ` Florian Weimer
2022-04-05 11:09   ` Adhemerval Zanella [this message]

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