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commit 037dea2252e5122059bd189c57ad606f05c7b0b7 Author: Micah Elizabeth Scott beth@torproject.org AuthorDate: Tue Mar 14 09:01:14 2023 -0700
hs_pow: fix assert in services that receive unsolicited proof of work
Signed-off-by: Micah Elizabeth Scott beth@torproject.org --- src/feature/hs/hs_cell.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/src/feature/hs/hs_cell.c b/src/feature/hs/hs_cell.c index cadafd2c90..190f0f3b5a 100644 --- a/src/feature/hs/hs_cell.c +++ b/src/feature/hs/hs_cell.c @@ -807,6 +807,11 @@ handle_introduce2_encrypted_cell_pow_extension(const hs_service_t *service,
tor_assert(field);
+ if (!service->state.pow_state) { + log_info(LD_REND, "Unsolicited PoW solution in INTRODUCE2 request."); + goto end; + } + if (trn_cell_extension_pow_parse(&pow, trn_extension_field_getconstarray_field(field), trn_extension_field_getlen_field(field)) < 0) {