ubuntu@localhost:~$ hello.foreground
Hello, world!
pgd = ffffffc035ae1000
[68730000] *pgd=0000000000000000, *pud=0000000000000000
Segmentation fault


[  386.480157] hello[1014]: unhandled level 1 translation fault (11) at 0x68730000, esr 0x83000005
[  386.480179] pgd = ffffffc035ae1000
[  386.480211] [68730000] *pgd=0000000000000000, *pud=0000000000000000

[  386.480290] CPU: 1 PID: 1014 Comm: hello Not tainted 4.4.1 #11
[  386.480297] Hardware name: linux,dummy-virt (DT)
[  386.480305] task: ffffffc035a0cb00 ti: ffffffc035b84000 task.ti: ffffffc035b84000
[  386.480315] PC is at 0x68730000
[  386.480321] LR is at 0xf73c6f37
[  386.480328] pc : [<0000000068730000>] lr : [<00000000f73c6f37>] pstate: a00a0010
[  386.480333] sp : 00000000ffea5b58
[  386.480338] x12: 00000000f73c6b45
[  386.480347] x11: 0000000000000000 x10: 00000000f7401000
[  386.480358] x9 : 0000000000000000 x8 : 00000000f73c6a81
[  386.480369] x7 : 00000000ffea5b78 x6 : 0000000000000068
[  386.480379] x5 : 0000000068730000 x4 : 00000000f73d8090
[  386.480389] x3 : 00000000f73c6a81 x2 : 00000000f73d8098
[  386.480400] x1 : 00000000f73d80a0 x0 : 00000000f73d809c