| To: | xen-devel list <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] [PATCH] fix out-of-bounds memory access in linux-xen-low.c (gdbserver) |
| From: | Simon Kagstrom <simon.kagstrom@xxxxxx> |
| Date: | 2006年5月12日 16:37:09 +0200 |
| Delivery-date: | 2006年5月12日 07:37:20 -0700 |
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The following patch fixes an out-of-bounds memory access in xc_ptrace.c. Currently, Xen always copies the entire 512 byte extended FPU state (fxsave) even if only the "regular" FPU state was requested. This breaks since the memory buffer allocated in linux-xen-low.c:regsets_fetch_inferior_registers() is only large enough to hold the "plain" FPU registers. Signed-Off-By: Simon Kagstrom <simon.kagstrom@xxxxxx>
Attachment:
xc_ptrace-fpregs.patch
Description: Binary data
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