permission exec mounts

[TomTravis]

Describe the bug
A clear and concise description of what the bug is.
bash: /usr/local/bin/test.sh: Permission denied
https://chromium.googlesource.com/chromiumos/docs/+/master/security/noexec_shell_scripts.md

To Reproduce
Steps to reproduce the behavior:
run example this should work in v106 this did work
in v107 is does not work
this is google example how to use the computer
security has done something not documented
chronos@localhost /usr/local/bin $ more mnt.sh
sudo mount -o remount,symfollow -o exec /media/removable/sd200
sudo mount -o remount,symfollow -o exec /tmp
sudo mount -o remount,symfollow -o exec /var/run
sudo mount -o remount,symfollow -o exec /
chronos@localhost /usr/local/bin $ mnt.sh
Password:
works

printf '#!/bin/sh\necho hi\n' > /usr/local/bin/test.sh
fail
chmod a+rx /usr/local/bin/test.sh
which test.sh
/usr/local/bin/test.sh test.sh
hi

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.
the sh file should run like mnt.sh does
writing to a file via printf fails
write to a file using
tee works

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):
Version 107.0.5304.110 (Official Build) (32-bit)

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]
• you have this chome://system screen shot

Additional context
Add any other context about the problem here.

chronos@localhost /usr/local/bin $ sudo printf '#!/bin/sh\necho hi\n' >>test.sh
bash: test.sh: Permission denied
chronos@localhost /usr/local/bin $ sudo vi /usr/local/bin/test.sh
chronos@localhost /usr/local/bin $ test.sh
bash: /usr/local/bin/test.sh: Permission denied
chronos@localhost /usr/local/bin $ sudo chmod 777 test.sh
chronos@localhost /usr/local/bin $ test.sh
#!/bin/sh
echo hi
chrosh shell screen shot
chronos@localhost /usr/local/bin $

[TomTravis]

hello
it appear
sudo touch z.sh
sudo chmod 777 z.sh
sudo printf '#!/bin/sh\necho hi\n' >>z.sh
z.sh
works
so the file must exist inorder to write and exec it
now all my shell must have a touch test prior to printf
thank goodness for vscode and juypterlab

[TomTravis]

let keep this open for other comments
i reverted back to V106 and all is well
V107 v108... have the same issue
it a problem not the shell calls some undocumented security feature was introduced
it a bug to me

[TomTravis]

hello the exec is now running in /usr/local/bin
V106 i hope this change repairs the no permission issues

[TomTravis]

well sed and update 2022 happened today
let hope it installs on 107..109 for people now running all in /usr/local/bin for install and update

[TomTravis]

great test2 is working change exec shell to /usr/local/bin from /tmp
mnt /usr/local exec,dev
dnschneid/crouton#4878
people are developing again wonderful news

[TomTravis]

happy holiday
Hello,

Thanks for reaching out to us.

We have received your request.

We receive many such requests each day; your message is in our queue, and we'll get to it as quickly as our workload permits. Due to the large volume of requests that we receive, we will only be able to provide you with a response if we determine your request may be a valid and actionable legal complaint, and we may respond with questions or requests for clarification. For more information on Google's Terms of Service, please visit http://www.google.com/accounts/TOS

Regards,

The Google Team

Due to the impact of COVID-19, it may take us longer than usual to respond to your request. Our apologies for the inconvenience.

[Penguinbot4]

progress namespace and systemd starts

[Penguinbot4]

Gentoo and Arch added happy holiday

[Snugug]

Thank you for reaching out to us! It looks like this is an issue with ChromeOS itself instead of the website. Please file a bug here so it can get into the hands of our OS engineers.

Thanks!

[Penguinbot4]

yes i have done this