Lock the socket in soo_stat().
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Authored by markj on Mar 19 2020, 9:14 PM.

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Reviewers

glebius
markj

Summary

Otherwise nothing synchronizes with a concurrent conversion of the
socket to a listening socket.

Only the PF_LOCAL protocols implement pru_sense, and it is safe to hold
the socket lock there, so do so for now.

Reported by: syzbot+4801f1b79ea40953ca8e@syzkaller.appspotmail.com

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Build Status

Buildable 30011
Build 27824: arc lint + arc unit

markj added a reviewer: glebius.

This revision is now accepted and ready to land.Aug 11 2020, 2:54 PM

I committed this in r359184.

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sys/

kern/

7 lines