Hi all, I am failed to reproduce it on target kernel with the reproducer file or replaying the target syzkaller description log file, do I made something wrong or there exists more subjects then the line in repro.txt: #{Threaded:true Collide:true Repeat:false Procs:1 Sandbox:namespace Fault:false FaultCall:-1 FaultNth:0 EnableTun:false UseTmpDir:true HandleSegv:false WaitRepeat:false Debug:false Repro:false} Thanks - ChunYu --- 2017/10/26 04:49:15 reproducing crash 'hang': testing program (duration=10s, {Threaded:true Collide:true Repeat:true Procs:32 Sandbox:namespace Fault:false FaultCall:-1 FaultNth:0 EnableTun:true UseTmpDir:true HandleSegv:true WaitRepeat:true Debug:false Repro:true}): mmap-socket$inet_sctp-listen-accept4-listen-sendto$inet 2017/10/26 04:49:15 running command: ssh []string{"-p", "22", "-o", "ConnectionAttempts=10", "-o", "ConnectTimeout=10", "-o", "BatchMode=yes", "-o", "UserKnownHostsFile=/dev/null", "-o", "IdentitiesOnly=yes", "-o", "StrictHostKeyChecking=no", "-o", "LogLevel=error", "-i", "/home/chunwang/.ssh/id_rsa", "root@10.73.5.213", "cd /home/user/tmp/syz && exec /home/user/tmp/syz/syz-execprog -executor /home/user/tmp/syz/syz-executor -arch=amd64 -cover=0 -procs=32 -repeat=0 -sandbox namespace -threaded=true -collide=true /home/user/tmp/syz/syzkaller140727249"} 2017/10/26 04:49:25 reproducing crash 'hang': program did not crash 2017/10/26 04:49:25 reproducing crash 'hang': single: failed to extract reproducer 2017/10/26 04:49:25 reproducing crash 'hang': bisect: bisecting 1 programs with base timeout 10s 2017/10/26 04:49:25 reproducing crash 'hang': bisect: bisecting 1 programs 2017/10/26 04:49:25 reproducing crash 'hang': bisect: executing all 1 programs -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html