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Tx ID handling did not take the required + 1 into account.
From a report:
RDP can skip cleanup because its id convention does not match the
generic Rust iterator. The generic iterator in applayer.rs returns
tx.id() - 1, and cleanup trusts that id when calling StateTransactionFree
in app-layer-parser.c. RDP registers that iterator in rdp.rs, but
RdpTransaction::id() returns the stored id unchanged in rdp.rs, while
free_tx also compares against the raw stored id in rdp.rs. For a single
freeable RDP tx with stored id 1, the iterator returns C id 0; cleanup
calls free_tx(0), nothing is removed, then has_next == false allows
min_id to advance to total_txs in app-layer-parser.c. That leaves the
tx live but now below min_id, so later cleanup will not revisit it.
This patch brings the handling in line with the other parsers.
Bug: #8717.
|
4 months ago | |
|---|---|---|
| .. | ||
| error.rs | 1 year ago | |
| log.rs | ||
| mod.rs | ||
| parser.rs | 5 months ago | |
| rdp.rs | 4 months ago | |
| util.rs | 1 year ago | |
| windows.rs | ||