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osmocom-analog
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NMT: Fixed "use after free" bug

This commit is contained in:
Andreas Eversberg 2017-07-02 10:44:47 +02:00
parent 7af886c600
commit 3774519631
1 changed files with 6 additions and 3 deletions
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9
src/nmt/nmt.c
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@ -706,10 +706,11 @@ static void tx_roaming_ident(nmt_t *nmt, frame_t *frame)
{
if (++nmt->tx_frame_count == 1)
PDEBUG_CHAN(DNMT, DEBUG_INFO, "Sending identity request.\n");
tx_ident(nmt, frame);
if (nmt->tx_frame_count == 8) {
PDEBUG_CHAN(DNMT, DEBUG_NOTICE, "Timeout waiting for identity reply\n");
nmt_release(nmt);
}
tx_ident(nmt, frame);
}
static void rx_roaming_ident(nmt_t *nmt, frame_t *frame)
@ -763,10 +764,11 @@ static void tx_mo_ident(nmt_t *nmt, frame_t *frame)
{
if (++nmt->tx_frame_count == 1)
PDEBUG_CHAN(DNMT, DEBUG_INFO, "Sending identity request.\n");
tx_ident(nmt, frame);
if (nmt->tx_frame_count == 8) {
PDEBUG_CHAN(DNMT, DEBUG_NOTICE, "Timeout waiting for identity reply\n");
nmt_release(nmt);
}
tx_ident(nmt, frame);
}
static void rx_mo_ident(nmt_t *nmt, frame_t *frame)
@ -1023,12 +1025,13 @@ static void tx_mt_ident(nmt_t *nmt, frame_t *frame)
if (++nmt->tx_frame_count == 1)
PDEBUG_CHAN(DNMT, DEBUG_INFO, "Sending identity request.\n");
tx_ident(nmt, frame);
if (nmt->tx_frame_count == 8) {
PDEBUG_CHAN(DNMT, DEBUG_NOTICE, "Timeout waiting for identity reply\n");
PDEBUG_CHAN(DNMT, DEBUG_INFO, "Release call towards network.\n");
call_in_release(trans->callref, CAUSE_TEMPFAIL);
destroy_transaction(trans);
}
tx_ident(nmt, frame);
}
static void rx_mt_ident(nmt_t *nmt, frame_t *frame)