diff -rauN qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc qtwebengine-everywhere-src-5.15.2-glibc-2.33-patch/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc	2021-02-28 20:45:08.235833271 +0100
+++ qtwebengine-everywhere-src-5.15.2-glibc-2.33-patch/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc	2021-02-28 20:31:10.781033251 +0100
@@ -189,7 +189,11 @@
   }
 #endif
 
-  if (sysno == __NR_futex)
+  if (sysno == __NR_futex
+#if defined(__NR_futex_time64)
+                                  || sysno == __NR_futex_time64
+#endif
+  )
     return RestrictFutex();
 
   if (sysno == __NR_set_robust_list)
@@ -235,7 +239,7 @@
     return RestrictPrctl();
 
 #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
-    defined(__aarch64__)
+    defined(__aarch64__) || defined(__i386__)
   if (sysno == __NR_socketpair) {
     // Only allow AF_UNIX, PF_UNIX. Crash if anything else is seen.
     static_assert(AF_UNIX == PF_UNIX,
diff -rauN qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc qtwebengine-everywhere-src-5.15.2-glibc-2.33-patch/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc	2021-02-28 20:45:08.269166536 +0100
+++ qtwebengine-everywhere-src-5.15.2-glibc-2.33-patch/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc	2021-02-28 20:31:19.874344479 +0100
@@ -563,6 +563,9 @@
 #endif
     case __NR_ppoll:
     case __NR_pselect6:
+#if defined(__i386__)
+	case __NR_pselect6_time64:
+#endif
     case __NR_read:
     case __NR_readv:
     case __NR_pread64:
@@ -571,7 +574,7 @@
     case __NR_recv:
 #endif
 #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
-    defined(__aarch64__)
+    defined(__aarch64__) || defined(__i386__)
     case __NR_recvfrom:  // Could specify source.
     case __NR_recvmsg:   // Could specify source.
 #endif
@@ -586,7 +589,7 @@
     case __NR_send:
 #endif
 #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
-    defined(__aarch64__)
+    defined(__aarch64__) || defined(__i386__)
     case __NR_sendmsg:  // Could specify destination.
     case __NR_sendto:   // Could specify destination.
 #endif
diff -rauN qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/system_headers/x86_32_linux_syscalls.h qtwebengine-everywhere-src-5.15.2-glibc-2.33-patch/src/3rdparty/chromium/sandbox/linux/system_headers/x86_32_linux_syscalls.h
--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/sandbox/linux/system_headers/x86_32_linux_syscalls.h	2020-11-07 02:22:36.000000000 +0100
+++ qtwebengine-everywhere-src-5.15.2-glibc-2.33-patch/src/3rdparty/chromium/sandbox/linux/system_headers/x86_32_linux_syscalls.h	2021-02-28 20:31:15.447688573 +0100
@@ -446,6 +446,10 @@
 #define __NR_fstat 108
 #endif
 
+#if !defined(__NR_statx)
+#define __NR_statx 383
+#endif
+
 #if !defined(__NR_olduname)
 #define __NR_olduname 109
 #endif
@@ -966,6 +970,10 @@
 #define __NR_futex 240
 #endif
 
+#if !defined(__NR_futex_time64)
+#define __NR_futex_time64 422
+#endif
+
 #if !defined(__NR_sched_setaffinity)
 #define __NR_sched_setaffinity 241
 #endif