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authorrl1987 <rl1987@users.noreply.github.com>2020-05-21 14:17:15 +0300
committerrl1987 <rl1987@users.noreply.github.com>2020-05-21 14:17:15 +0300
commita5d28bf88f839c21fbefde8391d777fd9610abd3 (patch)
tree0d136fa3df36dba4cfdd230c0cb1b1d98456a0bd /src/feature/client
parentded99992b831bfff782a3b3c612297a4634d3d88 (diff)
downloadtor-a5d28bf88f839c21fbefde8391d777fd9610abd3.tar.gz
tor-a5d28bf88f839c21fbefde8391d777fd9610abd3.zip
Check for NULL from tor_dup_ip()
Diffstat (limited to 'src/feature/client')
-rw-r--r--src/feature/client/circpathbias.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/feature/client/circpathbias.c b/src/feature/client/circpathbias.c
index 4ac5cb8fc9..74260171fe 100644
--- a/src/feature/client/circpathbias.c
+++ b/src/feature/client/circpathbias.c
@@ -826,6 +826,11 @@ pathbias_send_usable_probe(circuit_t *circ)
ocirc->pathbias_probe_nonce &= 0x00ffffff;
probe_nonce = tor_dup_ip(ocirc->pathbias_probe_nonce);
+ if (!probe_nonce) {
+ log_err(LD_BUG, "Failed to generate nonce");
+ return -1;
+ }
+
tor_snprintf(payload,RELAY_PAYLOAD_SIZE, "%s:25", probe_nonce);
payload_len = (int)strlen(payload)+1;