sgsn/test: Fix memory leak in test_subscriber_gsup
Currently the MM context is not deleted when a GSUP location cancellation message is processed, because the real sgsn_update_subscriber_data function has been wrapped to a dummy implementation. This commit adds an explicit call to sgsn_mm_ctx_cleanup_free which also unassigns the LLME, so the call to gprs_llgmm_assign is removed. It also adds an assertion to check that there are no talloc'ed blocks left in tall_bsc_ctx. Addresses: == 372 bytes in 1 blocks are possibly lost in loss record 7 of 9 == at 0x402A17C: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so) == by 0x4059FB8: _talloc_zero (talloc.c:354) == by 0x8055B82: sgsn_mm_ctx_alloc (gprs_sgsn.c:167) == by 0x804A336: alloc_mm_ctx (sgsn_test.c:140) == by 0x804B24D: test_subscriber_gsup (sgsn_test.c:503) == by 0x804EC99: main (sgsn_test.c:1853) Sponsored-by: On-Waves ehf
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736da137f3
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@ -383,7 +383,6 @@ static void test_subscriber_gsup(void)
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struct sgsn_mm_ctx *ctx;
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struct gprs_ra_id raid = { 0, };
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uint32_t local_tlli = 0xffeeddcc;
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struct gprs_llc_llme *llme;
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int rc;
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static const uint8_t send_auth_info_res[] = {
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@ -495,7 +494,6 @@ static void test_subscriber_gsup(void)
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/* Create a context */
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OSMO_ASSERT(count(gprs_llme_list()) == 0);
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ctx = alloc_mm_ctx(local_tlli, &raid);
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llme = ctx->llme;
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/* Attach s1 to ctx */
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ctx->subscr = subscr_get(s1);
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@ -582,10 +580,11 @@ static void test_subscriber_gsup(void)
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OSMO_ASSERT(!(s1->flags & GPRS_SUBSCRIBER_ENABLE_PURGE));
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/* Free MM context and subscriber */
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OSMO_ASSERT(ctx->subscr == NULL);
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sgsn_mm_ctx_cleanup_free(ctx);
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subscr_put(s1);
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s1found = gprs_subscr_get_by_imsi(imsi1);
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OSMO_ASSERT(s1found == NULL);
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gprs_llgmm_assign(llme, local_tlli, 0xffffffff, GPRS_ALGO_GEA0, NULL);
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/* Inject PurgeMsRes GSUP message */
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rc = rx_gsup_message(purge_ms_res,
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@ -1834,9 +1833,12 @@ static struct log_info info = {
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int main(int argc, char **argv)
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{
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void *osmo_sgsn_ctx;
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osmo_init_logging(&info);
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tall_bsc_ctx = talloc_named_const(NULL, 0, "osmo_sgsn");
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tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb");
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osmo_sgsn_ctx = talloc_named_const(NULL, 0, "osmo_sgsn");
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tall_bsc_ctx = talloc_named_const(osmo_sgsn_ctx, 0, "bsc");
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tall_msgb_ctx = talloc_named_const(osmo_sgsn_ctx, 0, "msgb");
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sgsn_auth_init();
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gprs_subscr_init(sgsn);
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@ -1863,8 +1865,9 @@ int main(int argc, char **argv)
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test_gmm_ptmsi_allocation();
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printf("Done\n");
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talloc_report_full(tall_bsc_ctx, stderr);
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talloc_report_full(osmo_sgsn_ctx, stderr);
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OSMO_ASSERT(talloc_total_blocks(tall_msgb_ctx) == 1);
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OSMO_ASSERT(talloc_total_blocks(tall_bsc_ctx) == 1);
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return 0;
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}
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