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sd-daemon: wipe out memory before using CMSG_NXTHDR() #1540

Merged
merged 1 commit into from Oct 12, 2015
Merged

sd-daemon: wipe out memory before using CMSG_NXTHDR() #1540

merged 1 commit into from Oct 12, 2015

Commits on Oct 12, 2015

  1. sd-daemon: wipe out memory before using CMSG_NXTHDR() 

    CMSG_NXTHDR() checks for cmsg->cmsg_len *after* it increased the pointer.
While this makes sense for parsing received messages, that's a pitfall
for code crafting messages with this macro.

Wipe out the allocated memory to fix this.
    @zonque
    zonque committed Oct 12, 2015
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