syzbot suspects this bug was fixed by commit: commit 46ca11177ed593f39d534f8d2c74ec5344e90c11 Author: Amit Cohen <amitc@xxxxxxxxxxxx> Date: Thu May 21 12:11:45 2020 +0000 selftests: mlxsw: qos_mc_aware: Specify arping timeout as an integer bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1315b059100000 start commit: 8834f560 Linux 5.0-rc5 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=8f00801d7b7c4fe6 dashboard link: https://syzkaller.appspot.com/bug?extid=c58fa3b1231d2ea0c4d3 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15bab650c00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a331df400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: selftests: mlxsw: qos_mc_aware: Specify arping timeout as an integer For information about bisection process see: https://goo.gl/tpsmEJ#bisection