This going to make it into 11.0-RELEASE?
On 14/08/2016 23:43, Baptiste Daroussin wrote:
Author: bapt
Date: Sun Aug 14 22:43:48 2016
New Revision: 304104
URL: https://svnweb.freebsd.org/changeset/base/304104
Log:
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 (nik...@gandi.net)
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D7399
Modified:
stable/11/usr.bin/truss/setup.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/usr.bin/truss/setup.c
==============================================================================
--- stable/11/usr.bin/truss/setup.c Sun Aug 14 22:08:25 2016
(r304103)
+++ stable/11/usr.bin/truss/setup.c Sun Aug 14 22:43:48 2016
(r304104)
@@ -223,8 +223,10 @@ add_threads(struct trussinfo *info, stru
t = new_thread(p, lwps[i]);
if (ptrace(PT_LWPINFO, lwps[i], (caddr_t)&pl, sizeof(pl)) == -1)
err(1, "ptrace(PT_LWPINFO)");
- if (pl.pl_flags & PL_FLAG_SCE)
+ if (pl.pl_flags & PL_FLAG_SCE) {
+ info->curthread = t;
enter_syscall(info, t, &pl);
+ }
}
free(lwps);
}
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