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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-07-16 12:43:10 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-07-17 14:33:18 +1000 |
| commit | bc4188a2f56e821ea057aca6bf444e138d06c252 (patch) | |
| tree | 65705f6cf4820e2d72e7e4749380139a9483ea32 /arch/parisc | |
| parent | bd31ecf44b8e18ccb1e5f6b50f85de6922a60de3 (diff) | |
| download | linux-stable-bc4188a2f56e821ea057aca6bf444e138d06c252.tar.gz linux-stable-bc4188a2f56e821ea057aca6bf444e138d06c252.tar.bz2 linux-stable-bc4188a2f56e821ea057aca6bf444e138d06c252.zip | |
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
vcpu_put is not called if the user copy fails. This can result in preempt
notifier corruption and crashes, among other issues.
Fixes: b3cebfe8c1ca ("KVM: PPC: Move vcpu_load/vcpu_put down to each ioctl case in kvm_arch_vcpu_ioctl")
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210716024310.164448-2-npiggin@gmail.com
Diffstat (limited to 'arch/parisc')
0 files changed, 0 insertions, 0 deletions