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Account for kernel.pid_max > 65535 #13

Merged
merged 1 commit into from
Apr 15, 2022
Merged

Account for kernel.pid_max > 65535 #13

merged 1 commit into from
Apr 15, 2022

Commits on Apr 15, 2022

  1. Account for kernel.pid_max > 65535 

    Today's `kernel.pid_max=` is usually set to 2^22 (4194304) instead of
the original 2^16 (65535), causing buffer overflow when trying to write
`/proc/<PID>/cmdline` into the stack-allocated buffer. Let's fix this by
using the maximum "string length" of int (calculated using a macro
borrowed from systemd, which might be useful in the future).

Fixes: dbus-fuzzer#11
    @mrc0mmand
    mrc0mmand committed Apr 15, 2022
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