[<0>] do_sigtimedwait.isra.0+0x16b/0x1e0
[<0>] __x64_sys_rt_sigtimedwait+0x9e/0x110
[<0>] x64_sys_call+0x148f/0x25a0
[<0>] do_syscall_64+0x87/0x180
[<0>] entry_SYSCALL_64_after_hwframe+0x78/0x80