Message ID | 20190110095950.21689-1-rpalethorpe@suse.com |
---|---|
State | Accepted |
Headers | show |
Series | [v2] Check recvmmsg exists before entering fuzzy loop | expand |
On Thu, Jan 10, 2019 at 6:00 PM Richard Palethorpe <rpalethorpe@suse.com> wrote: > > Avoid thread B entering infinite loop if recvmmsg doesn't exist causing > tst_brk to be called and thread A to make an ungraceful exit. > > A more general fix can be added to tst_fuzzy_sync as well, but will take > longer to develop. > > Signed-off-by: Richard Palethorpe <rpalethorpe@suse.com> > Reported-by: Li Wang <liwang@redhat.com> Reviewed-by: Li Wang <liwang@redhat.com>
Hi! Pushed, thanks.
diff --git a/testcases/cve/cve-2016-7117.c b/testcases/cve/cve-2016-7117.c index 6290af077..db62909b3 100644 --- a/testcases/cve/cve-2016-7117.c +++ b/testcases/cve/cve-2016-7117.c @@ -99,6 +99,8 @@ static void setup(void) { fzsync_pair.min_samples = 10000; + tst_syscall(__NR_recvmmsg, 0, 0, 0, 0, 0); + tst_fzsync_pair_init(&fzsync_pair); }
Avoid thread B entering infinite loop if recvmmsg doesn't exist causing tst_brk to be called and thread A to make an ungraceful exit. A more general fix can be added to tst_fuzzy_sync as well, but will take longer to develop. Signed-off-by: Richard Palethorpe <rpalethorpe@suse.com> Reported-by: Li Wang <liwang@redhat.com> --- testcases/cve/cve-2016-7117.c | 2 ++ 1 file changed, 2 insertions(+)