Sean Christopherson eed3013faa KVM: Grab a reference to KVM for VM and vCPU stats file descriptors ... Grab a reference to KVM prior to installing VM and vCPU stats file descriptors to ensure the underlying VM and vCPU objects are not freed until the last reference to any and all stats fds are dropped. Note, the stats paths manually invoke fd_install() and so don't need to grab a reference before creating the file. Fixes: ce55c04945 ("KVM: stats: Support binary stats retrieval for a VCPU") Fixes: fcfe1baedd ("KVM: stats: Support binary stats retrieval for a VM") Reported-by: Zheng Zhang <zheng.zhang@email.ucr.edu> Closes: https://lore.kernel.org/all/CAC_GQSr3xzZaeZt85k_RCBd5kfiOve8qXo7a81Cq53LuVQ5r=Q@mail.gmail.com Cc: stable@vger.kernel.org Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Message-Id: <20230711230131.648752-2-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2023-07-29 11:05:28 -04:00
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kvm	KVM: Grab a reference to KVM for VM and vCPU stats file descriptors	2023-07-29 11:05:28 -04:00
lib	Revert "irqbypass: do not start cons/prod when failed connect"	2021-05-15 10:26:55 +01:00
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