I've found `strace /tmp/foo.frozen' is a good means of debugging. Here,
I find one of the first things foo.frozen attempts, regardless of what
program was frozen, is
mmap2(0x1000, 57344, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, 0, 0) = -1 EACCES (Permission
denied)
and we suffer a SIGSEGV. Running it as `sudo strace /tmp/foo.frozen'
means it gets past this and can either successfully run, or crash for
program-specific reasons.
--
The generated binaries always crash
https://bugs.launchpad.net/bugs/227252
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