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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.7-239-g07c9d78
- From: mark at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 21 May 2012 10:59:51 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.7-239-g07c9d78
- Reply-to: systemtap at sourceware dot org
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commit 07c9d78ebb28b888f01aed9c206e724f0e72db25
Author: Mark Wielaard <mjw@redhat.com>
Date: Mon May 21 12:57:41 2012 +0200
Add testcase for PR14107 Bad user unwinding from kernel fatal signal handler.
This is really a kernel bug, see bug report, when the CFI for the assembly
code is missing we cannot properly recover the register state for the user
process and might give a bad/missing user backtrace.
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Summary of changes:
testsuite/systemtap.base/bad-code.c | 24 ++++++++++++++++++
testsuite/systemtap.base/bad-code.exp | 44 +++++++++++++++++++++++++++++++++
testsuite/systemtap.base/bad-code.stp | 6 ++++
3 files changed, 74 insertions(+), 0 deletions(-)
create mode 100644 testsuite/systemtap.base/bad-code.c
create mode 100644 testsuite/systemtap.base/bad-code.exp
create mode 100644 testsuite/systemtap.base/bad-code.stp
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systemtap: system-wide probe/trace tool