test/integration/rhel-8.9: integration testing for rhel-8.9

test/integration/rhel-8.9/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	2023-05-18 13:26:13.304170797 -0400
++++ src/fs/proc/proc_sysctl.c	2023-05-18 13:26:13.738170286 -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))

test/integration/rhel-8.9/cmdline-string-LOADED.test

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

test/integration/rhel-8.9/cmdline-string.patch

@@ -0,0 +1,13 @@
+diff -Nupr src.orig/fs/proc/cmdline.c src/fs/proc/cmdline.c
+--- src.orig/fs/proc/cmdline.c	2023-05-18 13:26:13.304170797 -0400
++++ src/fs/proc/cmdline.c	2023-05-18 13:26:20.040162860 -0400
+@@ -6,8 +6,7 @@
+
+ static int cmdline_proc_show(struct seq_file *m, void *v)
+ {
+-	seq_puts(m, saved_command_line);
+-	seq_putc(m, '\n');
++	seq_printf(m, "%s kpatch=1\n", saved_command_line);
+ 	return 0;
+ }
+

test/integration/rhel-8.9/data-new-LOADED.test

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

test/integration/rhel-8.9/data-new.patch

@@ -0,0 +1,20 @@
+diff -Nupr src.orig/fs/proc/meminfo.c src/fs/proc/meminfo.c
+--- src.orig/fs/proc/meminfo.c	2023-05-18 13:26:13.304170797 -0400
++++ src/fs/proc/meminfo.c	2023-05-18 13:26:27.035154617 -0400
+@@ -31,6 +31,8 @@ static void show_val_kb(struct seq_file
+ 	seq_write(m, " kB\n", 4);
+ }
+
++static int foo = 5;
++
+ static int meminfo_proc_show(struct seq_file *m, void *v)
+ {
+ 	struct sysinfo i;
+@@ -150,6 +152,7 @@ static int meminfo_proc_show(struct seq_
+ 	show_val_kb(m, "CmaFree:        ",
+ 		    global_zone_page_state(NR_FREE_CMA_PAGES));
+ #endif
++	seq_printf(m, "kpatch:         %d\n", foo);
+
+ 	hugetlb_report_meminfo(m);
+

test/integration/rhel-8.9/data-read-mostly.patch

@@ -0,0 +1,11 @@
+diff -Nupr src.orig/net/core/dev.c src/net/core/dev.c
+--- src.orig/net/core/dev.c	2023-05-18 13:26:13.486170583 -0400
++++ src/net/core/dev.c	2023-05-18 13:26:31.948148828 -0400
+@@ -5440,6 +5440,7 @@ skip_classify:
+ 		case RX_HANDLER_PASS:
+ 			break;
+ 		default:
++			printk("BUG!\n");
+ 			BUG();
+ 		}
+ 	}

test/integration/rhel-8.9/fixup-section.patch

@@ -0,0 +1,11 @@
+diff -Nupr src.orig/fs/readdir.c src/fs/readdir.c
+--- src.orig/fs/readdir.c	2023-05-18 13:26:13.306170795 -0400
++++ src/fs/readdir.c	2023-05-18 13:26:37.497142290 -0400
+@@ -189,6 +189,7 @@ static int filldir(struct dir_context *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-8.9/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	2023-05-18 13:26:13.459170615 -0400
++++ src/kernel/time/timekeeping.c	2023-05-18 13:26:42.511136382 -0400
+@@ -1231,6 +1231,9 @@ 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-8.9/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	2023-05-18 13:26:13.304170797 -0400
++++ src/fs/proc/proc_sysctl.c	2023-05-18 13:26:48.145129743 -0400
+@@ -53,6 +53,7 @@ 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-8.9/gcc-mangled-3.patch

@@ -0,0 +1,13 @@
+diff -Nupr src.orig/mm/slub.c src/mm/slub.c
+--- src.orig/mm/slub.c	2023-05-18 13:26:13.476170595 -0400
++++ src/mm/slub.c	2023-05-18 13:26:51.355125960 -0400
+@@ -6085,6 +6085,9 @@ void get_slabinfo(struct kmem_cache *s,
+ 	int node;
+ 	struct kmem_cache_node *n;
+
++	if (!jiffies)
++		printk("slabinfo\n");
++
+ 	for_each_kmem_cache_node(s, node, n) {
+ 		nr_slabs += node_nr_slabs(n);
+ 		nr_objs += node_nr_objs(n);

test/integration/rhel-8.9/gcc-static-local-var-2.patch

@@ -0,0 +1,13 @@
+diff -Nupr src.orig/mm/mmap.c src/mm/mmap.c
+--- src.orig/mm/mmap.c	2023-05-18 13:26:13.475170596 -0400
++++ src/mm/mmap.c	2023-05-18 13:26:54.612122123 -0400
+@@ -1691,6 +1691,9 @@ unsigned long mmap_region(struct file *f
+ 	struct rb_node **rb_link, *rb_parent;
+ 	unsigned long charged = 0;
+
++	if (!jiffies)
++		printk("kpatch mmap foo\n");
++
+ 	/* Check against address space limit. */
+ 	if (!may_expand_vm(mm, vm_flags, len >> PAGE_SHIFT)) {
+ 		unsigned long nr_pages;

test/integration/rhel-8.9/gcc-static-local-var-3.patch

@@ -0,0 +1,19 @@
+diff -Nupr src.orig/kernel/reboot.c src/kernel/reboot.c
+--- src.orig/kernel/reboot.c	2023-05-18 13:26:13.457170617 -0400
++++ src/kernel/reboot.c	2023-05-18 13:26:57.125119162 -0400
+@@ -393,8 +393,15 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
+ 	return ret;
+ }
+
++void kpatch_bar(void)
++{
++	if (!jiffies)
++		printk("kpatch_foo\n");
++}
++
+ static void deferred_cad(struct work_struct *dummy)
+ {
++	kpatch_bar();
+ 	kernel_restart(NULL);
+ }
+

test/integration/rhel-8.9/gcc-static-local-var-4.patch

@@ -0,0 +1,23 @@
+diff -Nupr src.orig/fs/aio.c src/fs/aio.c
+--- src.orig/fs/aio.c	2023-05-18 13:26:13.270170838 -0400
++++ src/fs/aio.c	2023-05-18 13:26:59.650116186 -0400
+@@ -247,11 +247,18 @@ static int __init aio_setup(void)
+ }
+ __initcall(aio_setup);
+
+-static void put_aio_ring_file(struct kioctx *ctx)
++void kpatch_aio_foo(void)
++{
++	if (!jiffies)
++		printk("kpatch aio foo\n");
++}
++
++__always_inline static void put_aio_ring_file(struct kioctx *ctx)
+ {
+ 	struct file *aio_ring_file = ctx->aio_ring_file;
+ 	struct address_space *i_mapping;
+
++	kpatch_aio_foo();
+ 	if (aio_ring_file) {
+ 		truncate_setsize(file_inode(aio_ring_file), 0);
+

test/integration/rhel-8.9/gcc-static-local-var-4.test

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -o pipefail
+if ! $(eu-readelf --wide --symbols test-gcc-static-local-var-4.ko | awk '$NF == "free_ioctx" { exit 1 }'); then
+	exit 1
+else
+	exit 0
+fi

test/integration/rhel-8.9/gcc-static-local-var-5.patch

@@ -0,0 +1,45 @@
+diff -Nupr src.orig/kernel/audit.c src/kernel/audit.c
+--- src.orig/kernel/audit.c	2023-05-18 13:26:13.449170627 -0400
++++ src/kernel/audit.c	2023-05-18 13:27:02.109113288 -0400
+@@ -327,6 +327,12 @@ void audit_panic(const char *message)
+ 	}
+ }
+
++void kpatch_audit_foo(void)
++{
++	if (!jiffies)
++		printk("kpatch audit foo\n");
++}
++
+ static inline int audit_rate_check(void)
+ {
+ 	static unsigned long	last_check = 0;
+@@ -337,6 +343,7 @@ static inline int audit_rate_check(void)
+ 	unsigned long		elapsed;
+ 	int			retval	   = 0;
+
++	kpatch_audit_foo();
+ 	if (!audit_rate_limit) return 1;
+
+ 	spin_lock_irqsave(&lock, flags);
+@@ -356,6 +363,11 @@ static inline int audit_rate_check(void)
+ 	return retval;
+ }
+
++noinline void kpatch_audit_check(void)
++{
++	audit_rate_check();
++}
++
+ /**
+  * audit_log_lost - conditionally log lost audit message event
+  * @message: the message stating reason for lost audit message
+@@ -402,6 +414,8 @@ static int audit_log_config_change(char
+ 	struct audit_buffer *ab;
+ 	int rc = 0;
+
++	kpatch_audit_check();
++
+ 	ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_CONFIG_CHANGE);
+ 	if (unlikely(!ab))
+ 		return rc;

test/integration/rhel-8.9/gcc-static-local-var-6.patch

@@ -0,0 +1,22 @@
+diff -Nupr src.orig/net/ipv6/netfilter.c src/net/ipv6/netfilter.c
+--- src.orig/net/ipv6/netfilter.c	2023-05-18 13:26:13.496170571 -0400
++++ src/net/ipv6/netfilter.c	2023-05-18 13:27:04.595110359 -0400
+@@ -93,6 +93,8 @@ static int nf_ip6_reroute(struct sk_buff
+ 	return 0;
+ }
+
++#include "kpatch-macros.h"
++
+ int __nf_ip6_route(struct net *net, struct dst_entry **dst,
+ 		   struct flowi *fl, bool strict)
+ {
+@@ -106,6 +108,9 @@ int __nf_ip6_route(struct net *net, stru
+ 	struct dst_entry *result;
+ 	int err;
+
++	if (!jiffies)
++		printk("kpatch nf_ip6_route foo\n");
++
+ 	result = ip6_route_output(net, sk, &fl->u.ip6);
+ 	err = result->error;
+ 	if (err)