[llvm-branch-commits] [compiler-rt] 680e7ef - Fix format specifier for GetNamedMappingFd

[via llvm-branch-commits]

Author: Vitaly Buka
Date: 2026-04-26T16:56:26-07:00
New Revision: 680e7ef7cc9bdf63c12fcd6e1058af4be965d49e

URL: https://github.com/llvm/llvm-project/commit/680e7ef7cc9bdf63c12fcd6e1058af4be965d49e
DIFF: https://github.com/llvm/llvm-project/commit/680e7ef7cc9bdf63c12fcd6e1058af4be965d49e.diff

LOG: Fix format specifier for GetNamedMappingFd

Added: 
    

Modified: 
    compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp

Removed: 
    


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diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
index 75606bcc6b325..882cd770a152d 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
@@ -357,7 +357,7 @@ int GetNamedMappingFd(const char *name, uptr size, int *flags) {
   if (!common_flags()->decorate_proc_maps || !name)
     return -1;
   char shmname[200];
-  int len = internal_snprintf(shmname, sizeof(shmname), "/dev/shm/%zu.%zu [%s]",
+  int len = internal_snprintf(shmname, sizeof(shmname), "/dev/shm/%zu.%llu [%s]",
                               internal_getpid(), GetTid(), name);
   CHECK_LT(len, sizeof(shmname));
   int o_cloexec = 0;