diff options
| author | Pau Espin Pedrol <pespin@sysmocom.de> | 2020-10-23 13:25:10 +0200 |
|---|---|---|
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2020-10-23 13:25:13 +0200 |
| commit | 08395b3369a085250a2179837ab98379753c3b6e (patch) | |
| tree | 0faaeab5c25284ae9919ce0a66328cd555445d34 /src/sgsn/gprs_gmm.c | |
| parent | 25998ddcc56ff8c11bf7d2e19e672e3f1d4f034f (diff) | |
process_ms_ctx_status: Fix crash deleting PDP Ctx if GTP side was already released
sgsn_delete_pdp_ctx() should never be called without checking if the GTP
side is available, since it may happen that it has already been released
by the time the mmctx tells us the pdp ctx is gone on the MS side.
Fixes: OS#4817
Change-Id: Ie618874545172ec98355174a2ee041fc4a8bec16
Diffstat (limited to 'src/sgsn/gprs_gmm.c')
| -rw-r--r-- | src/sgsn/gprs_gmm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/sgsn/gprs_gmm.c b/src/sgsn/gprs_gmm.c index 0ad60037..3f7c8ab7 100644 --- a/src/sgsn/gprs_gmm.c +++ b/src/sgsn/gprs_gmm.c @@ -1533,7 +1533,10 @@ static void process_ms_ctx_status(struct sgsn_mm_ctx *mmctx, LOGMMCTXP(LOGL_NOTICE, mmctx, "Dropping PDP context for NSAPI=%u " "due to PDP CTX STATUS IE=0x%02x%02x\n", pdp->nsapi, pdp_status[1], pdp_status[0]); - sgsn_delete_pdp_ctx(pdp); + if (pdp->ggsn) + sgsn_delete_pdp_ctx(pdp); + else /* GTP side already detached, freeing */ + sgsn_pdp_ctx_free(pdp); } } |