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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.0-134-g991bd3b
- From: jistone at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 22 Oct 2009 02:34:59 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.0-134-g991bd3b
- Reply-to: systemtap at sourceware dot org
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commit 991bd3ba708b467a6b1de0788e0e1e558a087b0d
Author: Josh Stone <jistone@redhat.com>
Date: Wed Oct 21 19:27:17 2009 -0700
Correct the safety-net escape WRT locking
Within a probe body, the "out" label starts the normal exit path,
including unlocking whatever globals are used in that probe. Since the
unprivileged safety-net checks are before the locks are ever grabbed, we
should bypass the unlock on the way out.
* elaborate.cxx (derived_probe::emit_process_owner_assertion): Use
"return" instead of "goto out".
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Summary of changes:
elaborate.cxx | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
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systemtap: system-wide probe/trace tool