Thanks, Ralph. I added this to the autosave web page. This will be fixed in autosave R5-4-2.
Tim Mooney ([email protected]) (630)252-5417
Software Services Group (www.aps.anl.gov)
Advanced Photon Source, Argonne National Lab
________________________________________
From: Ralph Lange [[email protected]]
Sent: Tuesday, September 23, 2014 3:31 AM
To: Mooney, Tim M.
Cc: EPICS Tech-Talk
Subject: Bug in autosave 5.4
Hi Tim,
There's a bug in autosave 5.4, which can cause segfaults (or similar,
depending on OS) when using the iocShell command 'set_pass1_restoreFile()'.
While being defined with two arguments, the iocShell integration layer
calls the internal function with the pointer of a "third" argument
structure. This is a stray pointer, which is likely to segfault the IOC
when being dereferenced inside libautosave.
- Segfaults are immediate at IOC boot time after calling
'set_pass1_restoreFile()' - no sleeping danger.
- 'set_pass0_restoreFile()' is not affected.
The attached patch fixes the issue - please apply it upstream.
Cheers,
~Ralph
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