From: Rich Felker <dalias@libc.org>
To: Stephen Von Takach <steve@place.technology>
Cc: musl@lists.openwall.com, Viv Briffa <viv@place.technology>
Subject: Re: unlink on NFS volume fails silently
Date: Wed, 9 Jul 2025 14:41:53 -0400 [thread overview]
Message-ID: <20250709184153.GP1827@brightrain.aerifal.cx> (raw)
In-Reply-To: <CAASffotPCJ1_8KTipytV3HjSWqK1C=VTSgtLxoCk2xNB2ccfjg@mail.gmail.com>
On Wed, Jul 09, 2025 at 01:59:18PM +1000, Stephen Von Takach wrote:
> Yes we traced this.
> The libc unlink function on musl returned 0 for a filename on an NFS mount
> that wasn't deleted.
> https://www.gnu.org/software/libc/manual/html_node/Deleting-Files.html
>
> The same call to unlink on glibc returned 0 and actually removed the file.
They are not doing anything different. If you're getting a different
result, it's something else different about the systems, possibly as
random as timing differences between the program using musl and the
one using glibc. But I would also check for different kernel versions
or configurations, mount setups, etc.
> The issue occurs when there is a high volume of files being removed
Sounds like a timing dependent bug in the NFS implementation.
Rich
next prev parent reply other threads:[~2025-07-09 18:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-06 6:25 [musl] unlink on NFS volume fails silently Stephen Von Takach
2025-07-07 18:26 ` Markus Wichmann
2025-07-08 1:08 ` Rich Felker
2025-07-09 3:59 ` [musl] " Stephen Von Takach
2025-07-09 18:41 ` Rich Felker [this message]
2025-07-09 23:01 ` Stephen Von Takach
2025-07-10 0:03 ` Rich Felker
2025-07-10 4:58 ` Stephen Von Takach
2025-07-10 15:44 ` Rich Felker
2025-07-10 17:01 ` Nathan McSween
2025-07-10 17:11 ` Rich Felker
2025-07-10 21:25 ` Stephen Von Takach
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