This is a note to let you know that I've just added the patch titled
kvm: irqchip: fix memory leak
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kvm-irqchip-fix-memory-leak.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ba60c41ae392b473a1897faa0b8739fcb8759d69 Mon Sep 17 00:00:00 2001
From: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
Date: Wed, 2 Sep 2015 12:33:53 +0530
Subject: kvm: irqchip: fix memory leak
From: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
commit ba60c41ae392b473a1897faa0b8739fcb8759d69 upstream.
We were taking the exit path after checking ue->flags and return value
of setup_routing_entry(), but 'e' was not freed incase of a failure.
Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: William Dauchy <william@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
virt/kvm/irqchip.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- a/virt/kvm/irqchip.c
+++ b/virt/kvm/irqchip.c
@@ -213,11 +213,15 @@ int kvm_set_irq_routing(struct kvm *kvm,
goto out;
r = -EINVAL;
- if (ue->flags)
+ if (ue->flags) {
+ kfree(e);
goto out;
+ }
r = setup_routing_entry(new, e, ue);
- if (r)
+ if (r) {
+ kfree(e);
goto out;
+ }
++ue;
}
Patches currently in stable-queue which might be from sudipm.mukherjee@xxxxxxxxx are
queue-4.2/kvm-irqchip-fix-memory-leak.patch
queue-4.2/thermal-exynos-fix-register-read-in-tmu.patch
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