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Differential D30404

ktrace: Remove vrele() at the end of ktr_writerequest()
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Authored by markj on May 23 2021, 5:24 PM.
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rG6f6cd1e8e8aa: ktrace: Remove vrele() at the end of ktr_writerequest()
Summary

As of commit fc369a353 we no longer ref the vnode when writing a record.
Drop the corresponding vrele() call in the error case.

Fixes: fc369a353 ("ktrace: fix a race between writes and close")
Reported by: syzbot+9b96ea7a5ff8917d3fe4@syzkaller.appspotmail.com
Reported by: syzbot+6120ebbb354cd52e5107@syzkaller.appspotmail.com
MFC after: 6 days

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rS FreeBSD src repository - subversion
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Buildable 39361
Build 36250: arc lint + arc unit

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sys/
kern/
1 line

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sys/kern/kern_ktrace.c

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