Auto merge of #3193 - str4d:b9856-badalloc-terminate, r=bitcartel
Terminate immediately when allocation fails Backport of bitcoin/bitcoin#9856 Closes #1498.
This commit is contained in:
commit
23f8b30c88
|
@ -828,6 +828,8 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
|
|||
signal(SIGPIPE, SIG_IGN);
|
||||
#endif
|
||||
|
||||
std::set_new_handler(new_handler_terminate);
|
||||
|
||||
// ********************************************************* Step 2: parameter interactions
|
||||
const CChainParams& chainparams = Params();
|
||||
|
||||
|
|
|
@ -1,6 +1,9 @@
|
|||
#ifndef _BITCOIN_PREVECTOR_H_
|
||||
#define _BITCOIN_PREVECTOR_H_
|
||||
|
||||
#include <util.h>
|
||||
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
@ -166,10 +169,15 @@ private:
|
|||
}
|
||||
} else {
|
||||
if (!is_direct()) {
|
||||
/* FIXME: Because malloc/realloc here won't call new_handler if allocation fails, assert
|
||||
success. These should instead use an allocator or new/delete so that handlers
|
||||
are called as necessary, but performance would be slightly degraded by doing so. */
|
||||
_union.indirect = static_cast<char*>(realloc(_union.indirect, ((size_t)sizeof(T)) * new_capacity));
|
||||
if (!_union.indirect) { new_handler_terminate(); }
|
||||
_union.capacity = new_capacity;
|
||||
} else {
|
||||
char* new_indirect = static_cast<char*>(malloc(((size_t)sizeof(T)) * new_capacity));
|
||||
if (!new_indirect) { new_handler_terminate(); }
|
||||
T* src = direct_ptr(0);
|
||||
T* dst = reinterpret_cast<T*>(new_indirect);
|
||||
memcpy(dst, src, size() * sizeof(T));
|
||||
|
|
15
src/util.cpp
15
src/util.cpp
|
@ -17,6 +17,7 @@
|
|||
#include "utiltime.h"
|
||||
|
||||
#include <stdarg.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#if (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__))
|
||||
#include <pthread.h>
|
||||
|
@ -179,6 +180,20 @@ static FILE* fileout = NULL;
|
|||
static boost::mutex* mutexDebugLog = NULL;
|
||||
static list<string> *vMsgsBeforeOpenLog;
|
||||
|
||||
[[noreturn]] void new_handler_terminate()
|
||||
{
|
||||
// Rather than throwing std::bad-alloc if allocation fails, terminate
|
||||
// immediately to (try to) avoid chain corruption.
|
||||
// Since LogPrintf may itself allocate memory, set the handler directly
|
||||
// to terminate first.
|
||||
std::set_new_handler(std::terminate);
|
||||
fputs("Error: Out of memory. Terminating.\n", stderr);
|
||||
LogPrintf("Error: Out of memory. Terminating.\n");
|
||||
|
||||
// The log was successful, terminate now.
|
||||
std::terminate();
|
||||
};
|
||||
|
||||
static int FileWriteStr(const std::string &str, FILE *fp)
|
||||
{
|
||||
return fwrite(str.data(), 1, str.size(), fp);
|
||||
|
|
|
@ -53,6 +53,8 @@ extern bool fLogIPs;
|
|||
extern std::atomic<bool> fReopenDebugLog;
|
||||
extern CTranslationInterface translationInterface;
|
||||
|
||||
[[noreturn]] extern void new_handler_terminate();
|
||||
|
||||
/**
|
||||
* Translation function: Call Translate signal on UI interface, which returns a boost::optional result.
|
||||
* If no translation slot is registered, nothing is returned, and simply return the input.
|
||||
|
|
Loading…
Reference in New Issue