From 3ca6b9c837505979ca09af2e6f26b4929d3bc992 Mon Sep 17 00:00:00 2001
From: Sebastian Ramacher <sebastian@ramacher.at>
Date: Sat, 9 Dec 2023 10:15:11 +0100
Subject: [PATCH] Always check if both kernel and libseccomp have a syscall
 defined

---
 zathura/seccomp-filters.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/zathura/seccomp-filters.c b/zathura/seccomp-filters.c
index 8e4bb7f..039fe64 100644
--- a/zathura/seccomp-filters.c
+++ b/zathura/seccomp-filters.c
@@ -86,7 +86,7 @@ seccomp_enable_basic_filter(void)
   DENY_RULE(migrate_pages);
   DENY_RULE(modify_ldt);
   DENY_RULE(mount);
-#ifdef __NR_mount_setattr 
+#if defined(__NR_mount_setattr) && defined(__SNR_mount_setattr)
   DENY_RULE(mount_setattr);
 #endif
   DENY_RULE(move_pages);
@@ -339,10 +339,10 @@ seccomp_enable_strict_filter(zathura_t* zathura)
   ERRNO_RULE(openat2);
   ERRNO_RULE(faccessat2);
   ERRNO_RULE(pwritev2);
-#ifdef __NR_readfile
+#if defined(__NR_readfile) && defined(__SNR_readfile)
   ERRNO_RULE(readfile);
 #endif
-#ifdef __NR_fchmodat2
+#if defined(__NR_fchmodat2) && defined(__SNR_fchmodat2)
   ERRNO_RULE(fchmodat2);
 #endif