Bug 216694

Summary: [Syzkaller & bisect] There is inet_csk_get_port WARNING in v6.1-rc4 kernel
Product: Networking Reporter: xupengfe (pengfei.xu)
Component: OtherAssignee: Stephen Hemminger (stephen)
Status: NEW ---    
Severity: normal CC: pengfei.xu
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: v6.1-rc4 Subsystem:
Regression: No Bisected commit-id:

Description xupengfe 2022-11-16 08:44:26 UTC
"WARNING inet_csk_get_port" is found in v6.1-rc4 kernel.

And first bad commit is: 28044fc1d4953b07acec0da4d2fc4784c57ea6fb
"net: Add a bhash2 table hashed by port and address"

Reproduced code from syzkaller, kconfig and full information is in the link:
https://github.com/xupengfe/syzkaller_logs/tree/main/221108_215733_inet_csk_get_port


Related discusstion link in LKML community:
https://lore.kernel.org/lkml/Y2xyHM1fcCkh9AKU@xpf.sh.intel.com/ 

Thanks!