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Testing: Add testcase for correlating static local variable 

This patch adds a reproducer testcase for correlating static local
variables added in .rodata* section, ahead of .toc section. This
testcase is for issue seen on PowerPC. For more details on the issue
refer pull request: 793.

It add's the testcase for:
- Fedora-27 Kernel version 4.15.10-300
- Centos-7 Kernel version 3.10.0-693 and
- Ubuntu-16.04 Kernel version 4.13.0-25.29

Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
This commit is contained in:
Kamalesh Babulal 2018-03-26 01:24:32 -04:00 committed by Josh Poimboeuf
parent ff8b2510af
commit bfacf5d15c
3 changed files with 69 additions and 0 deletions
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23
test/integration/centos-7/gcc-static-local-var-6.patch Normal file
View File

@ -0,0 +1,23 @@
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index a9d587a..23336ed 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -106,6 +106,8 @@ static int nf_ip6_reroute(struct sk_buff *skb,
return 0;
}
+#include "kpatch-macros.h"
+
static int nf_ip6_route(struct net *net, struct dst_entry **dst,
struct flowi *fl, bool strict)
{
@@ -119,6 +121,9 @@ static int nf_ip6_route(struct net *net, struct dst_entry **dst,
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)

23
test/integration/fedora-27/gcc-static-local-var-6.patch Normal file
View File

@ -0,0 +1,23 @@
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 9bf2604..026ac6c 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -109,6 +109,8 @@ static int nf_ip6_reroute(struct net *net, struct sk_buff *skb,
return 0;
}
+#include "kpatch-macros.h"
+
static int nf_ip6_route(struct net *net, struct dst_entry **dst,
struct flowi *fl, bool strict)
{
@@ -122,6 +124,9 @@ static int nf_ip6_route(struct net *net, struct dst_entry **dst,
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)

23
test/integration/ubuntu-16.04/gcc-static-local-var-6.patch Normal file
View File

@ -0,0 +1,23 @@
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 39970e2..85e750d 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -108,6 +108,8 @@ static int nf_ip6_reroute(struct net *net, struct sk_buff *skb,
return 0;
}
+#include "kpatch-macros.h"
+
static int nf_ip6_route(struct net *net, struct dst_entry **dst,
struct flowi *fl, bool strict)
{
@@ -121,6 +123,9 @@ static int nf_ip6_route(struct net *net, struct dst_entry **dst,
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)