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Fix the bug of variable int32 overflow. 

1.the content length from http response transformed using 'atoi' would rise int32 overflow.
2.the offset's aligning would rise int32 overflow.
This commit is contained in:
Huiyoung 2022-11-29 15:40:03 +08:00
parent 48cecc8bce
commit a71d985518
2 changed files with 5 additions and 5 deletions
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6
fdbrpc/HTTP.actor.cpp
View File

@ -243,7 +243,7 @@ ACTOR Future<Void> read_http_response(Reference<HTTP::Response> r, Reference<ICo
auto i = r->headers.find("Content-Length");
if (i != r->headers.end())
r->contentLen = atoi(i->second.c_str());
r->contentLen = strtoll(i->second.c_str(), NULL, 10);
else
r->contentLen = -1; // Content length unknown
@ -481,7 +481,7 @@ ACTOR Future<Reference<HTTP::Response>> doRequest(Reference<IConnection> conn,
}
if (FLOW_KNOBS->HTTP_VERBOSE_LEVEL > 0) {
printf("[%s] HTTP %scode=%d early=%d, time=%fs %s %s contentLen=%d [%d out, response content len %d]\n",
printf("[%s] HTTP %scode=%d early=%d, time=%fs %s %s contentLen=%d [%d out, response content len %lld]\n",
conn->getDebugID().toString().c_str(),
(err.present() ? format("*ERROR*=%s ", err.get().name()).c_str() : ""),
r->code,
@ -491,7 +491,7 @@ ACTOR Future<Reference<HTTP::Response>> doRequest(Reference<IConnection> conn,
resource.c_str(),
contentLen,
total_sent,
(int)r->contentLen);
r->contentLen);
}
if (FLOW_KNOBS->HTTP_VERBOSE_LEVEL > 2) {
printf("[%s] HTTP RESPONSE: %s %s\n%s\n",

4
fdbrpc/include/fdbrpc/AsyncFileReadAhead.actor.h
View File

@ -102,7 +102,7 @@ public:
// If not found, start the read.
if (i == f->m_blocks.end() || (i->second.isValid() && i->second.isError())) {
// printf("starting read of %s block %d\n", f->getFilename().c_str(), blockNum);
fblock = readBlock(f.getPtr(), f->m_block_size, f->m_block_size * blockNum);
fblock = readBlock(f.getPtr(), f->m_block_size, (int64_t)f->m_block_size * blockNum);
f->m_blocks[blockNum] = fblock;
} else
fblock = i->second;
@ -121,7 +121,7 @@ public:
// Calculate the block-relative read range. It's a given that the offset / length range touches this block
// so readStart will never be greater than blocksize (though it could be past the actual end of a short
// block).
int64_t blockStart = blockNum * f->m_block_size;
int64_t blockStart = (int64_t)blockNum * f->m_block_size;
int64_t readStart = std::max<int64_t>(0, offset - blockStart);
int64_t readEnd = std::min<int64_t>(f->m_block_size, offset + length - blockStart);
int rlen = readEnd - readStart;