SPECS/ktap/linux-4.14-support.patch
aecc7617
 From af5b37cb95ae43815e7399c92596856a1bbacd2a Mon Sep 17 00:00:00 2001
 From: Alexey Makhalov <amakhalov@vmware.com>
 Date: Tue, 26 Dec 2017 20:43:49 +0000
 Subject: [PATCH] Fix building for v4.14 kernel
 
 ---
  runtime/kp_transport.c | 2 +-
  runtime/kp_vm.c        | 3 ++-
  runtime/lib_base.c     | 2 +-
  runtime/lib_kdebug.c   | 2 +-
  4 files changed, 5 insertions(+), 4 deletions(-)
 
 diff --git a/runtime/kp_transport.c b/runtime/kp_transport.c
 index 4f76bbd..09a6f87 100644
 --- a/runtime/kp_transport.c
 +++ b/runtime/kp_transport.c
 @@ -119,7 +119,7 @@ static void trace_consume(struct trace_iterator *iter)
  			    &iter->lost_events);
  }
  
 -unsigned long long ns2usecs(cycle_t nsec)
 +unsigned long long ns2usecs(u64 nsec)
  {
  	nsec += 500;
  	do_div(nsec, 1000);
 diff --git a/runtime/kp_vm.c b/runtime/kp_vm.c
 index 0b4787c..761b51b 100644
 --- a/runtime/kp_vm.c
 +++ b/runtime/kp_vm.c
 @@ -1367,7 +1367,8 @@ static int init_arguments(ktap_state_t *ks, int argc, char __user **user_argv)
  		int len;
  		int res;
  
 -		len = strlen_user(ustr);
 +		/* +2 including final NUL */
 +		len = strnlen_user(ustr, 0x1002);
  		if (len > 0x1000) {
  			ret = -EINVAL;
  			break;
 diff --git a/runtime/lib_base.c b/runtime/lib_base.c
 index 691f7d4..420b4b4 100644
 --- a/runtime/lib_base.c
 +++ b/runtime/lib_base.c
 @@ -151,7 +151,7 @@ static int kplib_stack(ktap_state_t *ks)
  #endif
  
  
 -extern unsigned long long ns2usecs(cycle_t nsec);
 +extern unsigned long long ns2usecs(u64 nsec);
  static int kplib_print_trace_clock(ktap_state_t *ks)
  {
  	unsigned long long t;
 diff --git a/runtime/lib_kdebug.c b/runtime/lib_kdebug.c
 index ecd7cbe..f7ed11f 100644
 --- a/runtime/lib_kdebug.c
 +++ b/runtime/lib_kdebug.c
 @@ -70,7 +70,7 @@ static int kplib_kdebug_trace_by_id(ktap_state_t *ks)
  	if (eventsdesc.filter) {
  		int len;
  
 -		len = strlen_user(eventsdesc.filter);
 +		len = strnlen_user(eventsdesc.filter, 0x1002);
  		if (len > 0x1000)
  			return -1;
  
 -- 
 2.14.2