Re: WARNING in __mark_chain_precision

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger  
crash:

Reported-and-tested-by:  
syzbot+4da3ff23081bafe74fc2@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         b9321614 bpf: fix precision bit propagation for BPF_ST ins..
git tree:       https://github.com/anakryiko/linux bpf-fix-precise-bpf_st
kernel config:  https://syzkaller.appspot.com/x/.config?x=6bb3e6e7997c14f9
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)

Note: testing is done by a robot and is best-effort only.