diff options
Diffstat (limited to 'breakpad/linux')
| -rw-r--r-- | breakpad/linux/exception_handler.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/breakpad/linux/exception_handler.cc b/breakpad/linux/exception_handler.cc index fe72f2f..ad7a11d 100644 --- a/breakpad/linux/exception_handler.cc +++ b/breakpad/linux/exception_handler.cc @@ -79,6 +79,7 @@ #include <sys/wait.h> #include <unistd.h> +#include "breakpad/linux/linux_libc_support.h" #include "breakpad/linux/linux_syscall_support.h" #include "breakpad/linux/memory.h" #include "breakpad/linux/minidump_writer.h" @@ -266,8 +267,14 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) { callback_context_)) return true; + static const unsigned kChildStackSize = 8000; PageAllocator allocator; - void* const stack = allocator.Alloc(8000); + uint8_t* stack = (uint8_t*) allocator.Alloc(kChildStackSize); + if (!stack) + return false; + // clone() needs the top-most address. (scrub just to be safe) + stack += kChildStackSize; + my_memset(stack - 16, 0, 16); ThreadArgument thread_arg; thread_arg.handler = this; |