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| author | davidxu <davidxu@FreeBSD.org> | 2006-05-28 06:51:57 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2006-05-28 06:51:57 +0000 |
| commit | dc6d8065e601f808e8fa40f8ddea459edd78d5d0 (patch) | |
| tree | 7bdcfa75af80577efab5a44b84aa998c37617b90 /usr.sbin | |
| parent | 99d1c6dae68deb26981f4347d44794d6c568df31 (diff) | |
| download | FreeBSD-src-dc6d8065e601f808e8fa40f8ddea459edd78d5d0.zip FreeBSD-src-dc6d8065e601f808e8fa40f8ddea459edd78d5d0.tar.gz | |
Clear high 16 bits of mxcsr register, according to Intel document, if
the high 16 bits is non-zero, fxrstor instruction will generate GP fault,
resulting kernel crash, this bug can be triggered by setcontext and
ptrace(PT_SETXMMREGS).
Diffstat (limited to 'usr.sbin')
0 files changed, 0 insertions, 0 deletions
