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From: "ppluzhnikov at google dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug libc/12077] strncmp over-reads its buffer, may cause SIGSEGV
Date: Fri, 01 Oct 2010 17:14:00 -0000 [thread overview]
Message-ID: <20101001171411.29387.qmail@sourceware.org> (raw)
In-Reply-To: <20101001120105.12077.ppluzhnikov@google.com>
------- Additional Comments From ppluzhnikov at google dot com 2010-10-01 17:14 -------
On SSE4_2 capable machine:
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm
constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl vmx est tm2 ssse3
cx16 xtpr dca sse4_1 sse4_2 popcnt lahf_lm ida
the test does not crash for any combination of parameters, so __strncmp_sse42
does not have the bug.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=12077
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next prev parent reply other threads:[~2010-10-01 17:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-01 12:01 [Bug libc/12077] New: " ppluzhnikov at google dot com
2010-10-01 12:04 ` [Bug libc/12077] " ppluzhnikov at google dot com
2010-10-01 13:23 ` drepper dot fsp at gmail dot com
2010-10-01 14:01 ` ppluzhnikov at google dot com
2010-10-01 17:14 ` ppluzhnikov at google dot com [this message]
2010-10-03 3:12 ` drepper dot fsp at gmail dot com
2010-10-03 3:23 ` ppluzhnikov at google dot com
2010-10-04 2:11 ` drepper dot fsp at gmail dot com
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