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fix: crash in tr_file_priorities::filePriority() (#2291)

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Fixes #2262.
This commit is contained in:
Charles Kerr 2021-12-09 15:38:18 -06:00 committed by GitHub
parent d5aead4b41
commit f39a1e45a8
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 27 deletions
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49
libtransmission/torrent.cc
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@ -579,30 +579,37 @@ static void onTrackerResponse(tr_torrent* tor, tr_tracker_event const* event, vo
****
***/
static void tr_torrentInitFileOffsets(tr_torrent* tor)
{
auto offset = uint64_t{ 0 };
static void torrentStart(tr_torrent* tor, bool bypass_queue);
static void tr_torrentFireMetadataCompleted(tr_torrent* tor);
static void torrentInitFromInfoDict(tr_torrent* tor)
{
tor->initSizes(tor->info.totalSize, tor->info.pieceSize);
tor->completion = tr_completion{ tor, tor };
tr_sha1(tor->obfuscatedHash, "req2", 4, tor->info.hash, SHA_DIGEST_LENGTH, nullptr);
// init file offsets
auto offset = uint64_t{ 0 };
for (tr_file_index_t i = 0, n = tor->fileCount(); i < n; ++i)
{
auto& file = tor->file(i);
file.priv.offset = offset;
offset += file.length;
}
tor->fpm_.reset(tor->info);
tor->file_priorities_.reset(&tor->fpm_);
tor->files_wanted_.reset(&tor->fpm_);
tor->dnd_pieces_ = tr_bitfield{ tor->info.pieceCount };
tor->checked_pieces_ = tr_bitfield{ tor->info.pieceCount };
}
static void torrentStart(tr_torrent* tor, bool bypass_queue);
static void tr_torrentFireMetadataCompleted(tr_torrent* tor);
void tr_torrentGotNewInfoDict(tr_torrent* tor)
{
tor->initSizes(tor->info.totalSize, tor->info.pieceSize);
tor->completion = tr_completion{ tor, tor };
tr_torrentInitFileOffsets(tor);
torrentInitFromInfoDict(tor);
tr_peerMgrOnTorrentGotMetainfo(tor);
tr_torrentFireMetadataCompleted(tor);
}
@ -654,25 +661,17 @@ static void refreshCurrentDir(tr_torrent* tor);
static void torrentInit(tr_torrent* tor, tr_ctor const* ctor)
{
static auto next_unique_id = int{ 1 };
auto const lock = tor->unique_lock();
tr_session* session = tr_ctorGetSession(ctor);
TR_ASSERT(session != nullptr);
static int nextUniqueId = 1;
tor->fpm_.reset(tor->info);
tor->file_priorities_.reset(&tor->fpm_);
tor->files_wanted_.reset(&tor->fpm_);
tor->session = session;
tor->uniqueId = nextUniqueId++;
tor->uniqueId = next_unique_id++;
tor->queuePosition = tr_sessionCountTorrents(session);
tor->dnd_pieces_ = tr_bitfield{ tor->info.pieceCount };
tor->checked_pieces_ = tr_bitfield{ tor->info.pieceCount };
tr_sha1(tor->obfuscatedHash, "req2", 4, tor->info.hash, SHA_DIGEST_LENGTH, nullptr);
torrentInitFromInfoDict(tor);
char const* dir = nullptr;
if (tr_ctorGetDownloadDir(ctor, TR_FORCE, &dir) || tr_ctorGetDownloadDir(ctor, TR_FALLBACK, &dir))
@ -703,10 +702,6 @@ static void torrentInit(tr_torrent* tor, tr_ctor const* ctor)
tr_torrentSetDateAdded(tor, tr_time()); /* this is a default value to be overwritten by the resume file */
tor->initSizes(tor->info.totalSize, tor->info.pieceSize);
tor->completion = tr_completion{ tor, tor };
tr_torrentInitFileOffsets(tor);
// tr_torrentLoadResume() calls a lot of tr_torrentSetFoo() methods
// that set things as dirty, but... these settings being loaded are
// the same ones that would be saved back again, so don't let them