diff -Nupr src.orig/fs/proc/proc_sysctl.c src/fs/proc/proc_sysctl.c --- src.orig/fs/proc/proc_sysctl.c 2020-05-12 11:14:29.250791853 -0400 +++ src/fs/proc/proc_sysctl.c 2020-05-12 11:14:36.220489794 -0400 @@ -338,6 +338,8 @@ static void start_unregistering(struct c static struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head) { + if (jiffies == 0) + printk("kpatch-test: testing __bug_table section changes\n"); BUG_ON(!head); spin_lock(&sysctl_lock); if (!use_table(head))