Hello sir,
We are using mosquitto MQTT broker version 3.1.1 & deployed on Linux ubuntu machines.
We observed mosquitto auto restart with below error in syslog.
kernel: [11920710.948355] traps: mosquitto[18931] general protection ip:7f19e2c9f25b sp:7ffe6752d920 error:0
*** Error in /usr/sbin/mosquitto': malloc(): smallbin double linked list corrupted: 0x0000563fe58497e0 *** mosquitto[31198]: mosquitto: ../lib/send_publish.c:54: send__publish: Assertion topic’ failed.
*** Error in /usr/sbin/mosquitto': corrupted double-linked list: 0x00005559bd7fe0c0 *** kernel: [11989434.698883] mosquitto[6889]: segfault at 30 ip 00007f97d5fff676 sp 00007ffd02540e58 error 4 in libc-2.24.so[7f97d5f7f000+195000 *** Error in /usr/sbin/mosquitto’: corrupted double-linked list: 0x000055f0edc4c760 ***
Kindly sugegst root cause & solution.
Regards,
Amrit