[<0>] proc_pid_stack+0xed/0x170
[<0>] proc_single_show+0x56/0xe0
[<0>] seq_read_iter+0x132/0x4b0
[<0>] seq_read+0x11c/0x160
[<0>] vfs_read+0xb4/0x3a0
[<0>] ksys_read+0x73/0x100
[<0>] __x64_sys_read+0x19/0x30
[<0>] x64_sys_call+0x1bf0/0x25a0
[<0>] do_syscall_64+0x87/0x180
[<0>] entry_SYSCALL_64_after_hwframe+0x78/0x80