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Differential D5097

hyperv: stor: Fix the NULL pointer dereference
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Authored by honzhan_microsoft.com on Jan 28 2016, 1:49 AM.
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royger
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rS295295: hyperv/stor: Fix the NULL pointer dereference
Summary

There are potential NULL pointer dereference issues.

Submitted by: Hongjiang Zhang <honzhan microsoft com>

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rS FreeBSD src repository - subversion
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Buildable 2298
Build 2307: arc lint + arc unit

Event Timeline

honzhan_microsoft.com updated this revision to Diff 12773.Jan 28 2016, 1:49 AM
honzhan_microsoft.com retitled this revision from to hyperv: stor: Fix the NULL pointer dereference.
honzhan_microsoft.com updated this object.
Herald added subscribers: Contributor Reviews (src), imp. · View Herald TranscriptJan 28 2016, 1:49 AM
honzhan_microsoft.com added reviewers: adrian, decui_microsoft.com, delphij, howard0su_gmail.com, royger, sepherosa_gmail.com.Jan 28 2016, 1:53 AM
adrian accepted this revision.Jan 28 2016, 1:54 AM
adrian edited edge metadata.
This revision is now accepted and ready to land.Jan 28 2016, 1:54 AM
sepherosa_gmail.com added inline comments.Jan 28 2016, 1:56 AM
sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
1529

Could we just move the LIST_REMOVE after the NULL check?

honzhan_microsoft.com added inline comments.Jan 28 2016, 5:25 AM
sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
1529

Yes, that is ok. But I prefer to do checking with the LIST macros.

sepherosa_gmail.com accepted this revision.Jan 28 2016, 5:27 AM
sepherosa_gmail.com edited edge metadata.

Looks fine to me

sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
1529

Well, fine, its your call.

mmokhi added a subscriber: mmokhi.Jan 28 2016, 6:01 AM
decui_microsoft.com accepted this revision.Jan 28 2016, 7:34 AM
decui_microsoft.com edited edge metadata.

LGTM

Closed by commit rS295295: hyperv/stor: Fix the NULL pointer dereference (authored by sephe). · Explain WhyFeb 5 2016, 3:47 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
sys/
dev/
hyperv/
storvsc/
13 lines

Diff 12773

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sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c

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