Re: [PATCH] fuzz: only use generic-fuzz targets on oss-fuzz

[Darren Kenny]

On Wednesday, 2022-06-22 at 12:28:40 -04, Alexander Bulekov wrote:
> On 220622 1703, Darren Kenny wrote:
>> Hi Alex,
>> 
>> This looks good to me, so:
>> 
>> Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
>> 
>> But, if it is at all possible to use Bash glob in a '[[ ... ]]' test
>> such as:
>> 
>>   if [[ $target == generic-fuzz-* ]]; then
>> 
>> that might read better - but it seems the default is that we don't
>> assume that, or am I wrong? (This is probably a question for others on
>> the CC-list)
>
> That sounds good to me. Should we change the script to #!/bin/bash, to
> be safe?

If it is acceptable to use the '[[ ... ]]' syntax then you'd definitely
want to ensure that it is bash that is used.

Thanks,

Darren.

> -Alex
>
>> 
>> Thanks,
>> 
>> Darren.
>> 
>> On Wednesday, 2022-06-22 at 11:50:28 -04, Alexander Bulekov wrote:
>> > The non-generic-fuzz targets often time-out, or run out of memory.
>> > Additionally, they create unreproducible bug-reports. It is possible
>> > that this is resulting in failing coverage-reports on OSS-Fuzz. In the
>> > future, these test-cases should be fixed, or removed.
>> >
>> > Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
>> > ---
>> >  scripts/oss-fuzz/build.sh | 2 +-
>> >  1 file changed, 1 insertion(+), 1 deletion(-)
>> >
>> > diff --git a/scripts/oss-fuzz/build.sh b/scripts/oss-fuzz/build.sh
>> > index 98b56e0521..d8b4446d24 100755
>> > --- a/scripts/oss-fuzz/build.sh
>> > +++ b/scripts/oss-fuzz/build.sh
>> > @@ -105,7 +105,7 @@ do
>> >      # to be configured. We have some generic-fuzz-{pc-q35, floppy, ...} 
>> > targets
>> >      # that are thin wrappers around this target that set the required
>> >      # environment variables according to predefined configs.
>> > -    if [ "$target" != "generic-fuzz" ]; then
>> > +    if echo "$target" | grep -q "generic-fuzz-"; then
>> >          ln  $base_copy \
>> >              "$DEST_DIR/qemu-fuzz-i386-target-$target"
>> >      fi
>> > -- 
>> > 2.27.0