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upstream: fix: Fix Floating Point Exception in OMEMO session building (bc13a726b)

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jabber.developer2
2026-03-31 19:51:20 +03:00
parent f6b2347811
commit 034b789f1c
1 changed files with 6 additions and 1 deletions
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7
src/omemo/omemo.c
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@@ -669,8 +669,13 @@ omemo_start_device_session(const char* const jid, uint32_t device_id,
}
int prekey_index;
size_t prekeys_len = g_list_length(prekeys);
if (prekeys_len == 0) {
log_error("[OMEMO] No prekeys found for %s device %d", jid, device_id);
goto out;
}
gcry_randomize(&prekey_index, sizeof(int), GCRY_STRONG_RANDOM);
prekey_index %= g_list_length(prekeys);
prekey_index %= prekeys_len;
omemo_key_t* prekey = g_list_nth_data(prekeys, prekey_index);
curve_decode_point(&prekey_public, prekey->data, prekey->length, omemo_ctx.signal);