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Differential D32076

pf: fix pagefault in pf_getstatus()
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Authored by kp on Sep 23 2021, 8:42 AM.
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F131960689: D32076.id.diff
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F131960672: D32076.id95582.diff
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F131960669: D32076.id95551.diff
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Details

Reviewers
mjg
Group Reviewers
network
Commits
rG9419d273e471: pf: fix pagefault in pf_getstatus()
rG3c9253c2f6d1: pf: fix pagefault in pf_getstatus()
rGcb13059663e4: pf: fix pagefault in pf_getstatus()
Summary

We can't copyout() while holding a lock, in case it triggers a page
fault.
Release the lock before copyout, which is safe because we've already
copied all the data into the nvlist.

PR: 258601
MFC after: 1 week
Sponsored by: Modirum MDPay

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rG FreeBSD src repository
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PathSize
sys/
netpfil/
pf/
3 lines

Diff 95582

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sys/netpfil/pf/pf_ioctl.c

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