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instruction: 0.559
syscall: 0.379
runtime: 0.061
golang calls to exec crash user emulation
An example program can be found here:
https://github.com/willnewton/qemucrash
This code starts a goroutine (thread) and calls exec repeatedly. This works ok natively but when run under ARM user emulation it segfaults (usually, there are occasionally other failures).
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