[auditbeat/fim/kprobes] Correct seccomp policy for arm64 (#39759)

* fix(auditbeat/fim/kprobes): do add syscalls in default seccomp policy for arm64

* doc: update CHANGELOG.next.asciidoc

(cherry picked from commit 7a561ff)

CHANGELOG.next.asciidoc

@@ -101,7 +101,7 @@ https:/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]
 - Prevent scenario of losing children-related file events in a directory for recursive fsnotify backend of auditbeat file integrity module {pull}39133[39133]
 - Allow extra syscalls by auditbeat required in FIM with kprobes back-end {pull}39361[39361]
 - Fix losing events in FIM for OS X by allowing always to walk an added directory to monitor {pull}39362[39362]
-
+- Fix seccomp policy of FIM kprobes backend on arm64 {pull}39759[39759]
 
 
 

auditbeat/module/file_integrity/kprobes/seccomp_linux.go → auditbeat/module/file_integrity/kprobes/seccomp_linux_amd64.go

@@ -18,27 +18,21 @@
 package kprobes
 
 import (
- "runtime"
-
  "github.com/elastic/beats/v7/libbeat/common/seccomp"
 )
 
 func init() {
- switch runtime.GOARCH {
- case "amd64", "386", "arm64":
- // The module/file_integrity with kprobes BE uses additional syscalls
- if err := seccomp.ModifyDefaultPolicy(seccomp.AddSyscall,
- "eventfd2", // required by auditbeat/tracing
- "mount", // required by auditbeat/tracing
- "perf_event_open", // required by auditbeat/tracing
- "ppoll", // required by auditbeat/tracing
- "umount2", // required by auditbeat/tracing
- "truncate", // required during kprobes verification
- "utime", // required during kprobes verification
- "utimensat", // required during kprobes verification
- "setxattr", // required during kprobes verification
- ); err != nil {
- panic(err)
- }
+ if err := seccomp.ModifyDefaultPolicy(seccomp.AddSyscall,
+ "eventfd2", // required by auditbeat/tracing
+ "mount", // required by auditbeat/tracing
+ "perf_event_open", // required by auditbeat/tracing
+ "ppoll", // required by auditbeat/tracing
+ "umount2", // required by auditbeat/tracing
+ "truncate", // required during kprobes verification
+ "utime", // required during kprobes verification
+ "utimensat", // required during kprobes verification
+ "setxattr", // required during kprobes verification
+ ); err != nil {
+ panic(err)
  }
 }