[Buildroot] [Bug 13016] New: When fcntl with F_SETFL is called from vsftpd functions, it hangs during file request from the client

[Buildroot] [Bug 13016] New: When fcntl with F_SETFL is called from vsftpd functions, it hangs during file request from the client

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=13016

            Bug ID: 13016
           Summary: When fcntl with F_SETFL is called from vsftpd
                    functions, it hangs during file request from the
                    client
           Product: buildroot
           Version: 2020.02.3
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned at buildroot.uclibc.org
          Reporter: prabhusannachi at gmail.com
                CC: buildroot at uclibc.org
  Target Milestone: ---

Created attachment 8511
  --> https://bugs.busybox.net/attachment.cgi?id=8511&action=edit
This patch allows fcntl with F_SETFL and no filters.

The fcntl function with F_SETFL is called from various portion of the vsftpd to
activate and deactivate block on the file, hangs when client request a file
from the server. This happens when seccomp_sandbox is enabled in the
configuration.
vsftpd version is 3.0.3

Similar issue has been addressed on 3.0.2 and fixed on other distribution.

Reference:
https://build.opensuse.org/package/view_file/SUSE:SLE-12-SP1:GA/vsftpd.2254/vsftpd-enable-fcntl-f_setfl.patch?expand=1

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[Buildroot] [Bug 13016] When fcntl with F_SETFL is called from vsftpd functions, it hangs during file request from the client

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=13016

Yann E. MORIN <yann.morin.1998@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
                 CC|                            |yann.morin.1998@free.fr
             Status|NEW                         |RESOLVED

--- Comment #1 from Yann E. MORIN <yann.morin.1998@free.fr> ---
Thank you for your report.

The issue tracker for the Buildroot project has been moved to
the Gitlab.com issue tracker:
    https://gitlab.com/buildroot.org/buildroot/-/issues

We are taking this opportunity to close old issues in this old
tracker. If you believe your issue is still relevant, please
open one in the new issue tracker.

Thank you!

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