[compiler-rt] b408241 - [compiler-rt] adding fchmodat2 syscall introduced in Linux 6.6. (#82275)

[via llvm-commits]

Author: David CARLIER
Date: 2024-03-08T00:00:26Z
New Revision: b408241d0ad9ce009b49018fe1e9838887abf3c1

URL: https://github.com/llvm/llvm-project/commit/b408241d0ad9ce009b49018fe1e9838887abf3c1
DIFF: https://github.com/llvm/llvm-project/commit/b408241d0ad9ce009b49018fe1e9838887abf3c1.diff

LOG: [compiler-rt] adding fchmodat2 syscall introduced in Linux 6.6. (#82275)

Added: 
    

Modified: 
    compiler-rt/lib/sanitizer_common/sanitizer_common_syscalls.inc

Removed: 
    


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diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_syscalls.inc b/compiler-rt/lib/sanitizer_common/sanitizer_common_syscalls.inc
index c10943b3e48793..b3161690f3ce8a 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_common_syscalls.inc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_syscalls.inc
@@ -2808,6 +2808,15 @@ PRE_SYSCALL(fchownat)
 POST_SYSCALL(fchownat)
 (long res, long dfd, const void *filename, long user, long group, long flag) {}
 
+PRE_SYSCALL(fchmodat2)(long dfd, const void *filename, long mode, long flag) {
+  if (filename)
+    PRE_READ(filename,
+             __sanitizer::internal_strlen((const char *)filename) + 1);
+}
+
+POST_SYSCALL(fchmodat2)
+(long res, long dfd, const void *filename, long mode, long flag) {}
+
 PRE_SYSCALL(openat)(long dfd, const void *filename, long flags, long mode) {
   if (filename)
     PRE_READ(filename,