From 41493b1e3f519d26f6f77016924cc5301f8495ab Mon Sep 17 00:00:00 2001 From: van Hauser Date: Fri, 28 Feb 2020 00:41:56 +0100 Subject: cmplog_shm shmat was missing result check --- src/afl-sharedmem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/afl-sharedmem.c') diff --git a/src/afl-sharedmem.c b/src/afl-sharedmem.c index c5697e81..b4dadfe4 100644 --- a/src/afl-sharedmem.c +++ b/src/afl-sharedmem.c @@ -191,7 +191,8 @@ void setup_shm(unsigned char dumb_mode) { if (cmplog_mode) cmp_map = shmat(cmplog_shm_id, NULL, 0); - if (!trace_bits) PFATAL("shmat() failed"); + if (trace_bits == -1 || !trace_bits || cmp_map == -1 || !cmp_map) + PFATAL("shmat() failed"); #endif -- cgit 1.4.1