diff options
Diffstat (limited to 'lib/tsan/rtl/tsan_mman.cc')
| -rw-r--r-- | lib/tsan/rtl/tsan_mman.cc | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/tsan/rtl/tsan_mman.cc b/lib/tsan/rtl/tsan_mman.cc index b160a9736..f4a95d870 100644 --- a/lib/tsan/rtl/tsan_mman.cc +++ b/lib/tsan/rtl/tsan_mman.cc @@ -1,9 +1,8 @@ //===-- tsan_mman.cc ------------------------------------------------------===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -202,6 +201,16 @@ void *user_calloc(ThreadState *thr, uptr pc, uptr size, uptr n) { return SetErrnoOnNull(p); } +void *user_reallocarray(ThreadState *thr, uptr pc, void *p, uptr size, uptr n) { + if (UNLIKELY(CheckForCallocOverflow(size, n))) { + if (AllocatorMayReturnNull()) + return SetErrnoOnNull(nullptr); + GET_STACK_TRACE_FATAL(thr, pc); + ReportReallocArrayOverflow(size, n, &stack); + } + return user_realloc(thr, pc, p, size * n); +} + void OnUserAlloc(ThreadState *thr, uptr pc, uptr p, uptr sz, bool write) { DPrintf("#%d: alloc(%zu) = %p\n", thr->tid, sz, p); ctx->metamap.AllocBlock(thr, pc, p, sz); |