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Merge branch 'maint-0.4.6' into maint-0.4.7

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This commit is contained in:
David Goulet 2022-07-26 16:16:04 -04:00
commit e98995bb08
2 changed files with 9 additions and 5 deletions
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4
changes/ticket40623 Normal file
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@ -0,0 +1,4 @@
o Major bugfixes (relay):
- Stop sending TRUNCATED cell and instead close the circuits which sends a
DESTROY cell so every relay in the circuit path can stop queuing cells.
Fixes bug 40623; bugfix on 0.1.0.2-rc.

10
src/core/or/command.c
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@ -664,11 +664,11 @@ command_process_destroy_cell(cell_t *cell, channel_t *chan)
if (CIRCUIT_IS_ORIGIN(circ)) {
circuit_mark_for_close(circ, reason|END_CIRC_REASON_FLAG_REMOTE);
} else {
char payload[1];
log_debug(LD_OR, "Delivering 'truncated' back.");
payload[0] = (char)reason;
relay_send_command_from_edge(0, circ, RELAY_COMMAND_TRUNCATED,
payload, sizeof(payload), NULL);
/* Close the circuit so we stop queuing cells for it and propagate the
* DESTROY cell down the circuit so relays can stop queuing in-flight
* cells for this circuit which helps with memory pressure. */
log_debug(LD_OR, "Received DESTROY cell from n_chan, closing circuit.");
circuit_mark_for_close(circ, END_CIRC_REASON_TORPROTOCOL);
}
}
}