Re: [REGRESSION] ETXTBSY when running Yarn (Node) since af5d68f

[Jens Axboe <axboe@kernel.dk>]

On 5/21/24 10:16 AM, Jens Axboe wrote:
> (removing stable as this isn't a stable regression, and the commit
> itself isn't marked for stable to begin with).
> 
> On 5/21/24 10:02 AM, Andrew Udvare wrote:
>> #regzbot introduced: v6.8..v6.9-rc1
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=af5d68f8892f8ee8f137648b79ceb2abc153a19b
>>
>> Since the above commit present in 6.9+, Node running a Yarn installation that executes a subprocess always shows the following:
>>
>> /test # yarn --offline install
>> yarn install v1.22.22
>> warning package.json: "test" is also the name of a node core module
>> warning test@1.0.0: "test" is also the name of a node core module
>> [1/4] Resolving packages...
>> [2/4] Fetching packages...
>> [3/4] Linking dependencies...
>> [4/4] Building fresh packages...
>> error /test/node_modules/snyk: Command failed.
>> Exit code: 126
>> Command: node wrapper_dist/bootstrap.js exec
>> Arguments:
>> Directory: /test/node_modules/snyk
>> Output:
>> /bin/sh: node: Text file busy
>>
>> The commit was found by bisection with a simple initramfs that just runs 'yarn --offline install' with a test project and cached Yarn packages.
>>
>> To reproduce:
>>
>> npm install -g yarn
>> mkdir test
>> cd test
>> cat > package.json <<EOF
>> {
>>    "name": "test",
>>    "version": "1.0.0",
>>    "main": "index.js",
>>    "license": "MIT",
>>    "dependencies": {
>>      "snyk": "^1.1291.0"
>>    }
>> }
>> EOF
>> yarn install
>>
>> Modern Yarn will give the same result but with slightly different output.
>>
>> This also appears to affect node-gyp: https://github.com/nodejs/node/issues/53051
>>
>> See also: https://bugs.gentoo.org/931942
> 
> This looks like a timing alteration due to task_work being done
> differently, from a quick look and guess. For some reason SQPOLL is
> being used. I tried running it here, but it doesn't reproduce for me.
> Tried both current -git and 6.9 as released. I'll try on x86 as well to
> see if I can hit it.

Reproduces on an x86-64 vm:

[root@archlinux test]# yarn install 
yarn install v1.22.22
warning package.json: "test" is also the name of a node core module
info No lockfile found.
warning test@1.0.0: "test" is also the name of a node core module
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...
error /root/test/node_modules/snyk: Command failed.
Exit code: 126
Command: node wrapper_dist/bootstrap.js exec
Arguments: 
Directory: /root/test/node_modules/snyk
Output:
/bin/sh: /tmp/yarn--1716308447842-0.8496252120161716/node: /bin/sh: bad interpreter: Text file busy

I'll poke a bit.

-- 
Jens Axboe