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svn:author
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bapt
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svn:date
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2016-08-14T22:43:48.849137Z
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svn:log
V 402
MFC: r303685

truss: fix uninitialized trussinfo->curthread in add_threads()/enter_syscall

trussinfo->curthread must be initialized before calling enter_syscall(),
it is used by t->proc->abi->fetch_args().
Without that truss is segfaulting and the attached program also crash.

Submitted by:		Nikita Kozlov (nikita@gandi.net)
Reviewed by:		jhb
Differential Revision:	https://reviews.freebsd.org/D7399

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