DeforaNetworks/zzuf
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* Added a note about statically linked binaries and one about getc().

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Sam Hocevar 2007-01-07 12:39:30 +00:00 committed by sam
parent 5d48434914
commit 7d74595f6f
1 changed files with 8 additions and 0 deletions
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doc/zzuf.1
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@ -232,6 +232,10 @@ processes, it will fail in the presence of any mechanism that disables
preloading. For instance setuid root binaries will not be fuzzed when run
as an unprivileged user.
.PP
For the same reasons, \fBzzuf\fR will also not work with statically linked
binaries. Bear this in mind when using \fBzzuf\fR on the OpenBSD platform,
where \fBcat\fR, \fBcp\fR and \fBdd\fR are static binaries.
.PP
Though best efforts are made, identical behaviour for different versions of
\fBzzuf\fR is not guaranteed. The reproducibility for subsequent calls on
different operating systems and with different target programs is only
@ -242,6 +246,10 @@ It is not yet possible to insert or drop bytes from the input, to fuzz
according to the file format, to swap bytes, etc. More advanced fuzzing
methods are planned.
.PP
\fBZzuf\fR will not work properly with applications using \fBgetc\fR() on
platforms where it is defined as a macro, such as OpenBSD and FreeBSD,
because it is unable to intercept calls to \fBgetc\fR().
.PP
As of now, \fBzzuf\fR does not really support multithreaded applications. The
behaviour with multithreaded applications where more than one thread does file
descriptor operations is undefined.