Quiz: what a process is doing

Question 9 of 10

One correct answer

The program printed one line and crashed, `echo $?` is 139, and `sudo dmesg` has `thumbgen[1046]: segfault at 0 …`. What happened?

The program touched memory that was not its own, and the kernel ended it with SIGSEGV.
The kernel found an error on the disk the program was started from.
The OOM killer killed it for lack of memory.
The program exited by itself with error code 139.

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