[<0>] do_sigtimedwait.isra.0+0x178/0x1d0
[<0>] __arm64_sys_rt_sigtimedwait+0x6c/0x100
[<0>] invoke_syscall+0x70/0x120
[<0>] el0_svc_common.constprop.0+0x48/0x130
[<0>] do_el0_svc+0x24/0x50
[<0>] el0_svc+0x38/0x178
[<0>] el0t_64_sync_handler+0x140/0x150
[<0>] el0t_64_sync+0x194/0x198
