[valgrind] [Bug 478774] The coregrind linux syswrap does not handle fully the bpf BPF_OBJ_GET_INFO_BY_FD call which would return btf_info

[Paul Floyd]

https://bugs.kde.org/show_bug.cgi?id=478774

--- Comment #3 from Paul Floyd <pjfl...@wanadoo.fr> ---
Looks like this is a can of worms. There are a lot of commands and struct
members that are missing (comparing Fedora 29 and Valgrind hit HEAD). 

I tried

sudo valgrind bpftrace -e 'tracepoint:syscalls:sys_enter_open { printf("%s
%s\n", comm, str(args->filename)); }'

from

https://brendangregg.com/ebpf.html

and I got quite a few string-related errors, two bpf unhandled commands and
some uninit BPF syscall parameters.

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