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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2009-10-23 03:37:00 -0400 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2009-11-04 09:42:35 -0500 |
| commit | a9e38c3e01ad242fe2a625354cf065c34b01e3aa (patch) | |
| tree | 4ea957d97f8d7399f1f58cfce2470f703f6d1a58 /arch/x86/kernel/tsc.c | |
| parent | 51bb296b09a83ee1aae025778db38f9d2cc7bb1a (diff) | |
KVM: x86: Catch potential overrun in MCE setup
We only allocate memory for 32 MCE banks (KVM_MAX_MCE_BANKS) but we
allow user space to fill up to 255 on setup (mcg_cap & 0xff), corrupting
kernel memory. Catch these overflows.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kernel/tsc.c')
0 files changed, 0 insertions, 0 deletions