[<0>] pipe_read+0x411/0x480
[<0>] new_sync_read+0x146/0x160
[<0>] vfs_read+0x144/0x190
[<0>] ksys_read+0x8f/0xd0
[<0>] do_syscall_64+0x58/0x80
[<0>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
