[compiler-rt] [compiler-rt][rtsan] Fix process_vm_readv/process_vm_writev signatures. (PR #123914)

[David CARLIER via llvm-commits]

https://github.com/devnexen created https://github.com/llvm/llvm-project/pull/123914

missing pid_t first argument. Fix #123839

>From 184072485608caf791c970f52f65d38e04de559c Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen at gmail.com>
Date: Wed, 22 Jan 2025 09:29:15 +0000
Subject: [PATCH] [compiler-rt][rtsan] Fix process_vm_readv/process_vm_writev
 signatures.

missing pid_t first argument. Fix #123839
---
 compiler-rt/lib/rtsan/rtsan_interceptors_posix.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/compiler-rt/lib/rtsan/rtsan_interceptors_posix.cpp b/compiler-rt/lib/rtsan/rtsan_interceptors_posix.cpp
index 008cc676a6ae55..48ba979ca93c05 100644
--- a/compiler-rt/lib/rtsan/rtsan_interceptors_posix.cpp
+++ b/compiler-rt/lib/rtsan/rtsan_interceptors_posix.cpp
@@ -1107,18 +1107,20 @@ INTERCEPTOR(int, execve, const char *filename, char *const argv[],
 }
 
 #if SANITIZER_INTERCEPT_PROCESS_VM_READV
-INTERCEPTOR(ssize_t, process_vm_readv, const struct iovec *local_iov,
+INTERCEPTOR(ssize_t, process_vm_readv, pid_t pid, const struct iovec *local_iov,
             unsigned long liovcnt, const struct iovec *remote_iov,
             unsigned long riovcnt, unsigned long flags) {
   __rtsan_notify_intercepted_call("process_vm_readv");
-  return REAL(process_vm_readv)(local_iov, liovcnt, remote_iov, riovcnt, flags);
+  return REAL(process_vm_readv)(pid, local_iov, liovcnt, remote_iov, riovcnt,
+                                flags);
 }
 
-INTERCEPTOR(ssize_t, process_vm_writev, const struct iovec *local_iov,
-            unsigned long liovcnt, const struct iovec *remote_iov,
-            unsigned long riovcnt, unsigned long flags) {
+INTERCEPTOR(ssize_t, process_vm_writev, pid_t pid,
+            const struct iovec *local_iov, unsigned long liovcnt,
+            const struct iovec *remote_iov, unsigned long riovcnt,
+            unsigned long flags) {
   __rtsan_notify_intercepted_call("process_vm_writev");
-  return REAL(process_vm_writev)(local_iov, liovcnt, remote_iov, riovcnt,
+  return REAL(process_vm_writev)(pid, local_iov, liovcnt, remote_iov, riovcnt,
                                  flags);
 }
 #define RTSAN_MAYBE_INTERCEPT_PROCESS_VM_READV                                 \