| Title | GitHub wondertrader 0.9.9 Incorrect Comparison |
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| Description | WonderTrader’s TraderDD queryTrades() path incorrectly uses strncpy(buf, "1", 1) == 0 to classify DD broker trade records as open or close. Because strncpy() returns the destination pointer rather than a comparison result, trades with FID_JYLB=1 are misclassified as WOT_CLOSE instead of WOT_OPEN. During startup or reconnect trade replay, this undercounts daily opened volume in _stat_map, allowing configured ActionPolicy open-volume limits to be bypassed and enabling oversized positions. |
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| Source | ⚠️ https://my.feishu.cn/wiki/BMjWwb5c3iEkgIkwi3wcOAKjnpc |
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| User | sannomiya (UID 98147) |
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| Submission | 06/21/2026 14:54 (2 months ago) |
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| Moderation | 08/07/2026 10:31 (2 months later) |
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| Status | Accepted |
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| VulDB entry | 386953 [WonderTrader up to 0.9.9 TraderDD.cpp TraderDD::queryTrades FID_JYLB behavioral workflow] |
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| Points | 20 |
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