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From f02fa32e0a37d6529983e2181b80bf62e4a16b41 Mon Sep 17 00:00:00 2001
From: Tiago Queiroz <tiago.queiroz@elastic.co>
Date: Wed, 2 Mar 2022 15:43:54 +0100
Subject: [PATCH] common/seccomp: add rseq syscall (#30620)
rseq syscall is available on glibc >= 2.35, and called when CGO is
used. If we don't allow rseq, Beats will eventually crash with an
glibc error: `Fatal glibc error: rseq registration failed`.
Fixes: #30576
---
CHANGELOG.next.asciidoc | 1 +
libbeat/common/seccomp/policy_linux_386.go | 1 +
libbeat/common/seccomp/policy_linux_amd64.go | 1 +
libbeat/common/seccomp/seccomp-profiler-allow.txt | 1 +
4 files changed, 4 insertions(+)
diff --git a/libbeat/common/seccomp/policy_linux_386.go b/libbeat/common/seccomp/policy_linux_386.go
index 40b49113b7..d333394aea 100644
--- a/libbeat/common/seccomp/policy_linux_386.go
+++ b/libbeat/common/seccomp/policy_linux_386.go
@@ -100,6 +100,7 @@ func init() {
"rename",
"renameat",
"restart_syscall",
+ "rseq",
"rt_sigaction",
"rt_sigprocmask",
"rt_sigreturn",
diff --git a/libbeat/common/seccomp/policy_linux_amd64.go b/libbeat/common/seccomp/policy_linux_amd64.go
index 6096b37bb3..356fb31fe8 100644
--- a/libbeat/common/seccomp/policy_linux_amd64.go
+++ b/libbeat/common/seccomp/policy_linux_amd64.go
@@ -112,6 +112,7 @@ func init() {
"recvmsg",
"rename",
"renameat",
+ "rseq",
"rt_sigaction",
"rt_sigprocmask",
"rt_sigreturn",
diff --git a/libbeat/common/seccomp/seccomp-profiler-allow.txt b/libbeat/common/seccomp/seccomp-profiler-allow.txt
index e22f3db0ee..237144d907 100644
--- a/libbeat/common/seccomp/seccomp-profiler-allow.txt
+++ b/libbeat/common/seccomp/seccomp-profiler-allow.txt
@@ -3,6 +3,7 @@ mprotect
set_robust_list
tgkill
time
+rseq
# cgo os/user
access
--
2.35.1
|