netmap: Fix a race in kqueue registration
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Authored by markj on Wed, Aug 5, 5:37 PM.

Details

Reviewers

vmaffione

Summary

We need to acquire the netmap global lock earlier, to avoid racing with
the NETMAP_REQ_REGISTER ioctl handler.

Reported by: syzkaller

Repository

rG FreeBSD src repository

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Unit

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Build Status

Buildable 75396
Build 72279: arc lint + arc unit

markj requested review of this revision.Wed, Aug 5, 5:37 PM

Looks good, thanks

This revision is now accepted and ready to land.Thu, Aug 6, 7:13 AM

Path

Size

sys/

dev/

netmap/

12 lines