Hi, Syzkaller found the following rcu stall report in Linux 4.15-rc1: https://pastebin.com/NyZ9JdRv The following C program reproduces it: https://pastebin.com/gqwDWWpA Configs Here: https://pastebin.com/v6M3iKi1 Regards, Shankara -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html