Merge pull request #1137 from joe-lawrence/integration-tests-rhel-7.9

test/integration: add rhel-7.9

Author: joe-lawrence

test/integration/rhel-7.9/bug-table-section.patch

@@ -0,0 +1,12 @@
+diff -Nupr src.orig/fs/proc/proc_sysctl.c src/fs/proc/proc_sysctl.c
+--- src.orig/fs/proc/proc_sysctl.c	2020-09-03 11:48:30.497726123 -0400
++++ src/fs/proc/proc_sysctl.c	2020-09-03 11:48:31.009727724 -0400
+@@ -331,6 +331,8 @@ 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))

test/integration/rhel-7.9/cmdline-string-LOADED.test

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+grep kpatch=1 /proc/cmdline

test/integration/rhel-7.9/cmdline-string.patch

@@ -0,0 +1,12 @@
+diff -Nupr src.orig/fs/proc/cmdline.c src/fs/proc/cmdline.c
+--- src.orig/fs/proc/cmdline.c	2020-09-03 11:48:30.496726119 -0400
++++ src/fs/proc/cmdline.c	2020-09-03 11:48:33.073734181 -0400
+@@ -5,7 +5,7 @@
+ 
+ static int cmdline_proc_show(struct seq_file *m, void *v)
+ {
+-	seq_printf(m, "%s\n", saved_command_line);
++	seq_printf(m, "%s kpatch=1\n", saved_command_line);
+ 	return 0;
+ }
+ 

test/integration/rhel-7.9/data-new-LOADED.test

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+grep "kpatch: 5" /proc/meminfo

test/integration/rhel-7.9/data-new.patch

@@ -0,0 +1,28 @@
+diff -Nupr src.orig/fs/proc/meminfo.c src/fs/proc/meminfo.c
+--- src.orig/fs/proc/meminfo.c	2020-09-03 11:48:30.497726123 -0400
++++ src/fs/proc/meminfo.c	2020-09-03 11:48:35.069740426 -0400
+@@ -21,6 +21,8 @@ void __attribute__((weak)) arch_report_m
+ {
+ }
+ 
++static int foo = 5;
++
+ static int meminfo_proc_show(struct seq_file *m, void *v)
+ {
+ 	struct sysinfo i;
+@@ -112,6 +114,7 @@ static int meminfo_proc_show(struct seq_
+ 		"CmaTotal:       %8lu kB\n"
+ 		"CmaFree:        %8lu kB\n"
+ #endif
++		"kpatch: %d"
+ 		,
+ 		K(i.totalram),
+ 		K(i.freeram),
+@@ -178,6 +181,7 @@ static int meminfo_proc_show(struct seq_
+ 		, K(totalcma_pages)
+ 		, K(global_page_state(NR_FREE_CMA_PAGES))
+ #endif
++		,foo
+ 		);
+ 
+ 	hugetlb_report_meminfo(m);

test/integration/rhel-7.9/data-read-mostly.patch.disabled

@@ -0,0 +1,11 @@
+diff -Nupr src.orig/net/core/dev.c src/net/core/dev.c
+--- src.orig/net/core/dev.c	2020-09-03 11:48:30.763726955 -0400
++++ src/net/core/dev.c	2020-09-03 11:49:21.514885728 -0400
+@@ -4327,6 +4327,7 @@ skip_classify:
+ 		case RX_HANDLER_PASS:
+ 			break;
+ 		default:
++			printk("BUG!\n");
+ 			BUG();
+ 		}
+ 	}

test/integration/rhel-7.9/fixup-section.patch

@@ -0,0 +1,11 @@
+diff -Nupr src.orig/fs/readdir.c src/fs/readdir.c
+--- src.orig/fs/readdir.c	2020-09-03 11:48:30.499726129 -0400
++++ src/fs/readdir.c	2020-09-03 11:48:37.119746839 -0400
+@@ -176,6 +176,7 @@ static int filldir(void * __buf, const c
+ 			goto efault;
+ 	}
+ 	dirent = buf->current_dir;
++	asm("nop");
+ 	if (__put_user(d_ino, &dirent->d_ino))
+ 		goto efault;
+ 	if (__put_user(reclen, &dirent->d_reclen))

test/integration/rhel-7.9/gcc-constprop.patch

@@ -0,0 +1,13 @@
+diff -Nupr src.orig/kernel/time/timekeeping.c src/kernel/time/timekeeping.c
+--- src.orig/kernel/time/timekeeping.c	2020-09-03 11:48:30.726726839 -0400
++++ src/kernel/time/timekeeping.c	2020-09-03 11:49:23.433891731 -0400
+@@ -852,6 +852,9 @@ void do_gettimeofday(struct timeval *tv)
+ {
+ 	struct timespec64 now;
+ 
++	if (!tv)
++		return;
++
+ 	getnstimeofday64(&now);
+ 	tv->tv_sec = now.tv_sec;
+ 	tv->tv_usec = now.tv_nsec/1000;

test/integration/rhel-7.9/gcc-isra.patch

@@ -0,0 +1,11 @@
+diff -Nupr src.orig/fs/proc/proc_sysctl.c src/fs/proc/proc_sysctl.c
+--- src.orig/fs/proc/proc_sysctl.c	2020-09-03 11:48:30.497726123 -0400
++++ src/fs/proc/proc_sysctl.c	2020-09-03 11:48:39.089753002 -0400
+@@ -46,6 +46,7 @@ void proc_sys_poll_notify(struct ctl_tab
+ 	if (!poll)
+ 		return;
+ 
++	printk("kpatch-test: testing gcc .isra function name mangling\n");
+ 	atomic_inc(&poll->event);
+ 	wake_up_interruptible(&poll->wait);
+ }

test/integration/rhel-7.9/gcc-mangled-3.patch

@@ -0,0 +1,13 @@
+diff -Nupr src.orig/mm/slub.c src/mm/slub.c
+--- src.orig/mm/slub.c	2020-09-03 11:48:30.747726905 -0400
++++ src/mm/slub.c	2020-09-03 11:48:41.106759312 -0400
+@@ -5716,6 +5716,9 @@ void get_slabinfo(struct kmem_cache *s,
+ 	unsigned long nr_free = 0;
+ 	int node;
+ 
++	if (!jiffies)
++		printk("slabinfo\n");
++
+ 	for_each_online_node(node) {
+ 		struct kmem_cache_node *n = get_node(s, node);
+