[Bug 217128] Kernel panic on 11.0-Release when executing files over NFS(AutoFS) before it's automounted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217128

Chang, Ching-hao  changed:

   What|Removed |Added

 Status|New |Closed
 Resolution|--- |FIXED

--- Comment #6 from Chang, Ching-hao  ---
Thanks guys, The r311284 patch worked like a charm.

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[Bug 217128] Kernel panic on 11.0-Release when executing files over NFS(AutoFS) before it's automounted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217128

--- Comment #5 from Chang, Ching-hao  ---
I'll try to apply the patch provided in r311284 and see if it work.

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[Bug 217128] Kernel panic on 11.0-Release when executing files over NFS(AutoFS) before it's automounted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217128

--- Comment #4 from Chang, Ching-hao  ---
We use autofs.

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[Bug 217128] Kernel panic on 11.0-Release when executing files over NFS(AutoFS) before it's automounted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217128

Konstantin Belousov  changed:

   What|Removed |Added

 CC||k...@freebsd.org,
   ||tr...@freebsd.org

--- Comment #3 from Konstantin Belousov  ---
This might be a bug fixed in r311284, not yet merged to stable/11.  Do you use
autofs or amd ?

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[Bug 217128] Kernel panic on 11.0-Release when executing files over NFS(AutoFS) before it's automounted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217128

--- Comment #2 from Chang, Ching-hao  ---
I tried to get a core dump of the kernel panic by setting the dumpdev to AUTO
and dumpdir to /var/crash but still got nothing. My FreeBSD would just freeze
or worse, reboot.

And please let me repharse it a little bit, we have a setuid executable on
local drive as a setuid wrapper which calls execve() to execute a perl script
located on the NFS. And kernel panic occured only when the /net folder is not
automounted. If we list the /net folder (so that the NFS get mounted) and
execute the setuid wrapper then everything is fine.

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[Bug 217128] Kernel panic on 11.0-Release when executing files over NFS(AutoFS) before it's automounted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217128

Conrad Meyer  changed:

   What|Removed |Added

 CC||c...@freebsd.org

--- Comment #1 from Conrad Meyer  ---
Can you get a backtrace of the panic, please?

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[Bug 217128] Kernel panic on 11.0-Release when executing files over NFS(AutoFS) before it's automounted

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217128

Bug ID: 217128
   Summary: Kernel panic on 11.0-Release when executing files over
NFS(AutoFS) before it's automounted
   Product: Base System
   Version: 11.0-RELEASE
  Hardware: amd64
OS: Any
Status: New
  Severity: Affects Only Me
  Priority: ---
 Component: misc
  Assignee: freebsd-bugs@FreeBSD.org
  Reporter: fr...@csie.io
CC: freebsd-am...@freebsd.org
CC: freebsd-am...@freebsd.org

We've just upgraded a couple of our servers from 10.3-RELEASE to 11.0-RELEASE.

In our environment, we have an executable file on NFS, which is automounted on
/net.
If we executed /net/executable_file before the directory is automounted, kernel
panic will occur.

However, 10.3-RELEASE and previous releases doesn't seem to have such problem.

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