[<0>] do_sigtimedwait.isra.0+0x16c/0x1e0
[<0>] __x64_sys_rt_sigtimedwait+0x6c/0xe0
[<0>] do_syscall_64+0x56/0x90
[<0>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
