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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2016-03-22 17:25:42 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-03-22 17:27:28 +0100 |
| commit | a6adb106225f9e2f177d3d883596e011df321965 (patch) | |
| tree | e2b8fe81450e9206be07492d7735d3ae276c9b2e /Documentation | |
| parent | KVM: PPC: do not compile in vfio.o unconditionally (diff) | |
| download | linux-dev-a6adb106225f9e2f177d3d883596e011df321965.tar.xz linux-dev-a6adb106225f9e2f177d3d883596e011df321965.zip | |
KVM: page_track: fix access to NULL slot
This happens when doing the reboot test from virt-tests:
[ 131.833653] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 131.842461] IP: [<ffffffffa0950087>] kvm_page_track_is_active+0x17/0x60 [kvm]
[ 131.850500] PGD 0
[ 131.852763] Oops: 0000 [#1] SMP
[ 132.007188] task: ffff880075fbc500 ti: ffff880850a3c000 task.ti: ffff880850a3c000
[ 132.138891] Call Trace:
[ 132.141639] [<ffffffffa092bd11>] page_fault_handle_page_track+0x31/0x40 [kvm]
[ 132.149732] [<ffffffffa093380f>] paging64_page_fault+0xff/0x910 [kvm]
[ 132.172159] [<ffffffffa092c734>] kvm_mmu_page_fault+0x64/0x110 [kvm]
[ 132.179372] [<ffffffffa06743c2>] handle_exception+0x1b2/0x430 [kvm_intel]
[ 132.187072] [<ffffffffa067a301>] vmx_handle_exit+0x1e1/0xc50 [kvm_intel]
...
Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Fixes: 3d0c27ad6ee465f174b09ee99fcaf189c57d567a
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions