Jouni, There are two threads in this process. Should i serialize access to wpa_ctrl_request() ? Every time i make the call to that function i open and close the ctrl interface (wpa_ctrl_open ), i can probably use a mutex alongside it. Any chances that can help ? On Fri, Jan 15, 2016 at 12:52 PM, Jouni Malinen <j@xxxxx> wrote: > On Thu, Jan 14, 2016 at 11:28:40AM -0500, marc miller wrote: >> I am using wpa_supplicant to control wifi on one of my arm based >> platforms. I'm using 2.2 . I see sometimes that my process segfaults >> and backtrace points it to wpa_ctrl_request. >> >> In the latest instance , i saw it point to wpa_ctrl.c:521 --> >> " >> if (FD_ISSET(ctrl->s, &rfds)) { >> " >> >> This happened when my process tried to do this: >> if (wpa_ctrl_request(g_ctrl_conn,"DISCONNECT",10,buf,&len,NULL) < 0) > > Is there any chance of this process using multiple threads and another > thread closing the control socket while this command is still executing? > That's one case I remember someone being able to hit a crash in > wpa_ctrl.c. > > -- > Jouni Malinen PGP id EFC895FA _______________________________________________ Hostap mailing list Hostap@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/hostap