* [Buildroot] [Bug 12241] Permission denied while running "make"
2019-09-19 18:19 [Buildroot] [Bug 12241] New: Permission denied while running "make" bugzilla at busybox.net
@ 2019-09-19 18:19 ` bugzilla at busybox.net
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From: bugzilla at busybox.net @ 2019-09-19 18:19 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
Cerem Cem ASLAN <ceremcem@ceremcem.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Hardware|All |PC
Severity|normal |blocker
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From: bugzilla at busybox.net @ 2019-09-19 19:42 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
--- Comment #1 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---
I'm afraid this does not look like a Buildroot issue, but a system
configuration issue on your machine: /tmp is not writable by the user with
which you're doing the Buildroot build. Could you try to just run "touch
/tmp/foobar" ? I guess you'll get the same Permission denied issue. If it's the
case, then you have to fix your system /tmp permissions.
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From: bugzilla at busybox.net @ 2019-09-20 0:06 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
--- Comment #2 from Cerem Cem ASLAN <ceremcem@ceremcem.net> ---
"touch /tmp/foobar" works correctly:
ceremcem at cca-erik:~$ touch /tmp/foobar
ceremcem at cca-erik:~$ ls -l /tmp/foobar
-rw-r--r-- 1 ceremcem ceremcem 0 Sep 20 03:04 /tmp/foobar
FYI: I've been using this installation for more than 2 years without any issue.
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From: bugzilla at busybox.net @ 2019-09-20 0:29 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
--- Comment #3 from Carlos Santos <unixmania@gmail.com> ---
(In reply to Cerem Cem ASLAN from comment #2)
Is your /tmp mounted with "noexec" option? What's the output of the command
mount | grep -F /tmp
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From: bugzilla at busybox.net @ 2019-09-20 6:58 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
Cerem Cem ASLAN <ceremcem@ceremcem.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #4 from Cerem Cem ASLAN <ceremcem@ceremcem.net> ---
Exactly:
ceremcem at cca-erik:~$ mount | grep -F /tmp
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noexec,noatime,size=524288k)
I remounted with "exec":
sudo mount -o remount,exec /tmp
Then compilation continued. Would you consider adding that checking into
makefile? (I may provide a patch for that)
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From: bugzilla at busybox.net @ 2019-09-20 11:30 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
--- Comment #5 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---
(In reply to Carlos Santos from comment #3)
Good finding Carlos! Is mounting /tmp with noexec a common thing? From a quick
Google search seems like a number of people are recommending to do this. Not
sure if this is good advice.
But, for this specific case, Buildroot generally puts all its generated
contents in $(O), even temporary things. Perhaps we should do the same for this
check-headers script?
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From: bugzilla at busybox.net @ 2019-09-20 15:09 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
Carlos Santos <unixmania@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Assignee|unassigned at buildroot.uclibc |unixmania at gmail.com
|.org |
Resolution|FIXED |---
--- Comment #6 from Carlos Santos <unixmania@gmail.com> ---
(In reply to Thomas Petazzoni from comment #5)
Some people recommend mounting /tmp with nodev, noexec and nosuid options for
security reasons. It is pretty common on FreeBSD but it's not default on Linux
distros.
I will send a patch for check-kernel-headers.sh to fix this.
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From: bugzilla at busybox.net @ 2019-09-20 20:51 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
Carlos Santos <unixmania@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|blocker |normal
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From: bugzilla at busybox.net @ 2019-09-23 12:20 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
Carlos Santos <unixmania@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unixmania at gmail.com |unassigned at buildroot.uclibc
| |.org
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From: bugzilla at busybox.net @ 2019-09-25 20:09 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=12241
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |FIXED
--- Comment #7 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---
Fixed by
https://git.buildroot.org/buildroot/commit/?id=6136765b23abd9faba610dd54ed276a777811575.
Thanks Carlos for the investigation and fix!
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