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Red Hat Bugzilla – Attachment 310653 Details for
Bug 453053
RHSA-2008:0508 linux-2.6.9-x86_64-copy_user-zero-tail.patch broken
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[patch]
fix calculation of return value in case of fault in the byte copy loop
bz453053_copy_user_zero_tail_regression.patch (text/plain), 410 bytes, created by
Vitaly Mayatskikh
on 2008-07-01 11:32:50 UTC
(
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Description:
fix calculation of return value in case of fault in the byte copy loop
Filename:
MIME Type:
Creator:
Vitaly Mayatskikh
Created:
2008-07-01 11:32:50 UTC
Size:
410 bytes
patch
obsolete
>diff -up linux-2.6.9/arch/x86_64/lib/copy_user.S.orig linux-2.6.9/arch/x86_64/lib/copy_user.S >--- linux-2.6.9/arch/x86_64/lib/copy_user.S.orig 2008-07-01 13:29:08.000000000 +0200 >+++ linux-2.6.9/arch/x86_64/lib/copy_user.S 2008-07-01 13:30:05.000000000 +0200 >@@ -316,6 +316,7 @@ copy_user_generic_c: > .Lc3: rep > stosq > .Lc2e: movl %edx,%ecx >+ xorq %rsi,%rsi > .Lc4: rep > stosb > .Lc3e: leaq (%rdx,%rsi,8),%rax
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