[<0>] signalfd_dequeue+0xf9/0x1a0
[<0>] signalfd_read_iter+0x7b/0xd0
[<0>] vfs_read+0x24f/0x3a0
[<0>] ksys_read+0x5f/0xe0
[<0>] do_syscall_64+0x5f/0xe0
[<0>] entry_SYSCALL_64_after_hwframe+0x76/0x7e
