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Merge branch 'maint-0.4.8'

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This commit is contained in:
David Goulet 2023-08-25 12:56:45 -04:00
commit aeb2e24a75
5 changed files with 37 additions and 19 deletions
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5
changes/bug40841 Normal file
View File

@ -0,0 +1,5 @@
o Minor bugfixes (conflux):
- Demote a relay-side warn about too many legs to ProtocolWarn,
as there are conditions that it can briefly happen during set
construction. Also add additional set logging details for
all error cases. Fixes bug 40841; bugfix on 0.4.8.1-alpha.

6
src/core/or/conflux.c
View File

@ -566,9 +566,9 @@ conflux_pick_first_leg(conflux_t *cfx)
// Since we have no legs, we have no idea if this is really a client
// or server set. Try to find any that match:
log_warn(LD_BUG, "Matching client sets:");
conflux_log_set(cfx, true);
conflux_log_set(LOG_WARN, cfx, true);
log_warn(LD_BUG, "Matching server sets:");
conflux_log_set(cfx, false);
conflux_log_set(LOG_WARN, cfx, false);
log_warn(LD_BUG, "End conflux set dump");
return false;
}
@ -578,7 +578,7 @@ conflux_pick_first_leg(conflux_t *cfx)
if (BUG(min_leg->linked_sent_usec == 0)) {
log_warn(LD_BUG, "Conflux has no legs with non-zero RTT. "
"Using first leg.");
conflux_log_set(cfx, CIRCUIT_IS_ORIGIN(min_leg->circ));
conflux_log_set(LOG_WARN, cfx, CIRCUIT_IS_ORIGIN(min_leg->circ));
}
}

32
src/core/or/conflux_pool.c
View File

@ -2071,22 +2071,32 @@ conflux_pool_init(void)
* For use in rare bug cases that are hard to diagnose.
*/
void
conflux_log_set(const conflux_t *cfx, bool is_client)
conflux_log_set(int loglevel, const conflux_t *cfx, bool is_client)
{
tor_assert(cfx);
log_warn(LD_BUG, "Conflux %s: %d linked, %d launched",
log_fn(loglevel,
LD_BUG,
"Conflux %s: %d linked, %d launched. Delivered: %"PRIu64"; "
"teardown: %d; Current: %p, Previous: %p",
fmt_nonce(cfx->nonce), smartlist_len(cfx->legs),
cfx->num_leg_launch);
cfx->num_leg_launch,
cfx->last_seq_delivered, cfx->in_full_teardown,
cfx->curr_leg, cfx->prev_leg);
// Log all linked legs
int legs = 0;
CONFLUX_FOR_EACH_LEG_BEGIN(cfx, leg) {
log_warn(LD_BUG,
const struct congestion_control_t *cc = circuit_ccontrol(leg->circ);
log_fn(loglevel, LD_BUG,
" - Linked Leg %d purpose=%d; RTT %"PRIu64", sent: %"PRIu64
" marked: %d",
"; sent: %"PRIu64", recv: %"PRIu64", infl: %"PRIu64", "
"ptr: %p, idx: %d, marked: %d",
legs, leg->circ->purpose, leg->circ_rtts_usec,
leg->linked_sent_usec, leg->circ->marked_for_close);
leg->linked_sent_usec, leg->last_seq_recv,
leg->last_seq_sent, cc->inflight, leg->circ,
leg->circ->global_circuitlist_idx,
leg->circ->marked_for_close);
legs++;
} CONFLUX_FOR_EACH_LEG_END(leg);
@ -2094,16 +2104,18 @@ conflux_log_set(const conflux_t *cfx, bool is_client)
unlinked_circuits_t *unlinked = unlinked_pool_get(cfx->nonce, is_client);
if (unlinked) {
// Log the number of legs and the is_for_linked_set status
log_warn(LD_BUG, " - Unlinked set: %d legs, for link: %d",
log_fn(loglevel, LD_BUG, " - Unlinked set: %d legs, for link: %d",
smartlist_len(unlinked->legs), unlinked->is_for_linked_set);
legs = 0;
SMARTLIST_FOREACH_BEGIN(unlinked->legs, leg_t *, leg) {
log_warn(LD_BUG,
log_fn(loglevel, LD_BUG,
" Unlinked Leg: %d purpose=%d; linked: %d, RTT %"PRIu64", "
"sent: %"PRIu64" link ptr %p, marked: %d",
"sent: %"PRIu64" link ptr %p, circ ptr: %p, idx: %d, marked: %d",
legs, leg->circ->purpose, leg->linked,
leg->rtt_usec, leg->link_sent_usec,
leg->link, leg->circ->marked_for_close);
leg->link, leg->circ,
leg->circ->global_circuitlist_idx,
leg->circ->marked_for_close);
legs++;
} SMARTLIST_FOREACH_END(leg);
}

2
src/core/or/conflux_pool.h
View File

@ -37,7 +37,7 @@ void conflux_process_linked(circuit_t *circ, crypt_path_t *layer_hint,
void conflux_process_linked_ack(circuit_t *circ);
typedef struct conflux_t conflux_t;
void conflux_log_set(const conflux_t *cfx, bool is_client);
void conflux_log_set(int loglevel, const conflux_t *cfx, bool is_client);
#ifdef TOR_UNIT_TESTS
bool launch_new_set(int num_legs);

11
src/core/or/conflux_util.c
View File

@ -384,13 +384,13 @@ conflux_validate_legs(const conflux_t *cfx)
/* Ensure we have no pending nonce on the circ */
if (BUG(leg->circ->conflux_pending_nonce != NULL)) {
conflux_log_set(cfx, is_client);
conflux_log_set(LOG_WARN, cfx, is_client);
continue;
}
/* Ensure we have a conflux object */
if (BUG(leg->circ->conflux == NULL)) {
conflux_log_set(cfx, is_client);
conflux_log_set(LOG_WARN, cfx, is_client);
continue;
}
@ -403,9 +403,10 @@ conflux_validate_legs(const conflux_t *cfx)
// TODO-329-UDP: Eventually we want to allow three legs for the
// exit case, to allow reconnection of legs to hit an RTT target.
// For now, this validation helps find bugs.
if (BUG(num_legs > conflux_params_get_num_legs_set())) {
log_warn(LD_BUG, "Number of legs is above maximum of %d allowed: %d\n",
if (num_legs > conflux_params_get_num_legs_set()) {
log_fn(LOG_PROTOCOL_WARN,
LD_BUG, "Number of legs is above maximum of %d allowed: %d\n",
conflux_params_get_num_legs_set(), smartlist_len(cfx->legs));
conflux_log_set(cfx, is_client);
conflux_log_set(LOG_PROTOCOL_WARN, cfx, is_client);
}
}