bazuchan

A have the same problem with xiaomi zhimi heater and it started after firmware upgrade.

We are running syncookied on Centos7 with elrepo 4.8 mainline kernel. Network card is Intel X520 with netmap-aware ixgbe driver. Rust is installed with rust-up script from nightly channel.

Perf top with "good" version: ``` 26.26% sc14 [.] sha1_transform_ssse3 20.00% sc14 [.] syncookied::packet::handle_reply 7.12% [kernel] [k] native_queued_spin_lock_slowpath 6.70% libc-2.17.so [.] __memcmp_sse4_1 5.65% sc14 [.] syncookied::run::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hc125f6adeb87694e 2.33% [kernel] [k] netmap_poll...

I have same problem with xiaomi zhimi heater and it started after firmware update.

Happens to me too. For example binary https://github.com/csivitu/CTF-Write-ups/blob/master/CSAW%20Quals%202020/Rev/not_malware/not_malware in ghidra `main` have this: `dVar4 = pow(16.00000000,0.50000000);` but in r2ghidra it looks like this: `sym.imp.pow(0x4030000000000000);` in ghidra `main` have this: ```...