This article lists the possible linux signal list that can trigger during a coredump and what does these signal means.

When processes in linux coredump , it exits process with a linux signal and will be captured in logs and visible in "coredumpctl list" output.

In the below "coredumpctl list" command output , highway process exited with signal 11.

TIME              PID  UID  GID SIG PRESENT EXE

Tue 2024-04-30 01:15:17 UTC  8426   0   0 11 * /usr/bin/highway

Similarly every process exit with a signal while it coredump , below are such possible signal and its reason

Signal 3 is for SIGQUIT and refers to Terminal quit 
Signal 4 is for SIGILL and refers to Illegal instruction 
Signal 5 is for SIGTRAP and refers to Trace trap 
Signal 6 is for SIGABRT and refers to Aborted
Signal 7 is for SIGBUS and refers to BUS error
Signal 11 is for SIGSEGV and refers to Invalid memory segment access