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trace: Initialize USDT arguments to 0 before reading #725

Merged
merged 1 commit into from
Oct 4, 2016
Merged

trace: Initialize USDT arguments to 0 before reading #725

merged 1 commit into from
Oct 4, 2016

Commits on Oct 4, 2016

  1. trace: Initialize USDT arguments to 0 before reading 

    Fixes iovisor#722, in which a USDT probe that has more than
one location and the type of the argument is a string
caused trace to potentially access an uninitialized
stack variable, thereby not passing BPF program
verification at load time.
    @goldshtn
    goldshtn committed Oct 4, 2016
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