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KVM: s390: vsie: Fix memory leak when unshadowing

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When performing a partial unshadowing, the rmap was being leaked.

Add the missing kfree().

Fixes: a2c17f9270 ("KVM: s390: New gmap code")
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
This commit is contained in:
Claudio Imbrenda 2026-05-19 17:01:10 +02:00
parent 6779b50faa
commit d0f2eb4493
1 changed files with 3 additions and 1 deletions
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4
arch/s390/kvm/gmap.c
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@ -1143,8 +1143,10 @@ void _gmap_handle_vsie_unshadow_event(struct gmap *parent, gfn_t gfn)
}
scoped_guard(spinlock, &sg->host_to_rmap_lock)
head = radix_tree_delete(&sg->host_to_rmap, gfn);
gmap_for_each_rmap_safe(rmap, rnext, head)
gmap_for_each_rmap_safe(rmap, rnext, head) {
gmap_unshadow_level(sg, rmap->r_gfn, rmap->level);
kfree(rmap);
}
}
}