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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.1-29-gf754097
- From: jistone at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 29 Jan 2010 05:11:34 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.1-29-gf754097
- Reply-to: systemtap at sourceware dot org
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- Log -----------------------------------------------------------------
commit f75409719f120a3dbee66d761cf23a64092d1414
Author: Josh Stone <jistone@redhat.com>
Date: Thu Jan 28 21:00:58 2010 -0800
PR11234: Ensure __get_argv doesn't overflow
That function was calling strlcpy as if the return value was the number
of bytes copied, but strlcpy actually returns the length of the input
string. We now use min() to handle the case when it's bigger than the
buffer length, and drop out of the loop when that happens.
-----------------------------------------------------------------------
Summary of changes:
tapset/aux_syscalls.stp | 26 ++++++----
testsuite/systemtap.base/overflow-get_argv.exp | 5 ++
testsuite/systemtap.base/overflow-get_argv.stp | 62 ++++++++++++++++++++++++
3 files changed, 82 insertions(+), 11 deletions(-)
create mode 100644 testsuite/systemtap.base/overflow-get_argv.exp
create mode 100644 testsuite/systemtap.base/overflow-get_argv.stp
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systemtap: system-wide probe/trace tool