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[ciqlts9_6] Multiple patches tested (4 commits) #1212

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[ciqlts9_6] Multiple patches tested (4 commits) #1212

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0a4ff64
scsi: qla2xxx: Fix improper freeing of purex item
May 11, 2026
d07b7fe
RDMA/umad: Reject negative data_len in ib_umad_write
May 11, 2026
d546246
KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MM…
May 11, 2026
9d6cf62
can: raw: fix ro->uniq use-after-free in raw_rcv()
May 11, 2026
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14 changes: 8 additions & 6 deletions arch/x86/kvm/mmu/mmu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2884,12 +2884,6 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, struct kvm_memory_slot *slot,
bool prefetch = !fault || fault->prefetch;
bool write_fault = fault && fault->write;

if (unlikely(is_noslot_pfn(pfn))) {
vcpu->stat.pf_mmio_spte_created++;
mark_mmio_spte(vcpu, sptep, gfn, pte_access);
return RET_PF_EMULATE;
}

if (is_shadow_present_pte(*sptep)) {
/*
* If we overwrite a PTE page pointer with a 2MB PMD, unlink
Expand All @@ -2909,6 +2903,14 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, struct kvm_memory_slot *slot,
was_rmapped = 1;
}

if (unlikely(is_noslot_pfn(pfn))) {
vcpu->stat.pf_mmio_spte_created++;
mark_mmio_spte(vcpu, sptep, gfn, pte_access);
if (flush)
kvm_flush_remote_tlbs_gfn(vcpu->kvm, gfn, level);
return RET_PF_EMULATE;
}

wrprot = make_spte(vcpu, sp, slot, pte_access, gfn, pfn, *sptep, prefetch,
true, host_writable, &spte);

Expand Down
8 changes: 6 additions & 2 deletions drivers/infiniband/core/user_mad.c
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Original file line number Diff line number Diff line change
Expand Up @@ -514,7 +514,8 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
struct rdma_ah_attr ah_attr;
struct ib_ah *ah;
__be64 *tid;
int ret, data_len, hdr_len, copy_offset, rmpp_active;
int ret, hdr_len, copy_offset, rmpp_active;
size_t data_len;
u8 base_version;

if (count < hdr_size(file) + IB_MGMT_RMPP_HDR)
Expand Down Expand Up @@ -588,7 +589,10 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
}

base_version = ((struct ib_mad_hdr *)&packet->mad.data)->base_version;
data_len = count - hdr_size(file) - hdr_len;
if (check_sub_overflow(count, hdr_size(file) + hdr_len, &data_len)) {
ret = -EINVAL;
goto err_ah;
}
packet->msg = ib_create_send_mad(agent,
be32_to_cpu(packet->mad.hdr.qpn),
packet->mad.hdr.pkey_index, rmpp_active,
Expand Down
2 changes: 1 addition & 1 deletion drivers/scsi/qla2xxx/qla_nvme.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1293,7 +1293,7 @@ void qla2xxx_process_purls_iocb(void **pkt, struct rsp_que **rsp)
a.reason = FCNVME_RJT_RC_LOGIC;
a.explanation = FCNVME_RJT_EXP_NONE;
xmt_reject = true;
kfree(item);
qla24xx_free_purex_item(item);
goto out;
}

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11 changes: 10 additions & 1 deletion net/can/raw.c
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Original file line number Diff line number Diff line change
Expand Up @@ -329,6 +329,14 @@ static int raw_notifier(struct notifier_block *nb, unsigned long msg,
return NOTIFY_DONE;
}

static void raw_sock_destruct(struct sock *sk)
{
struct raw_sock *ro = raw_sk(sk);

free_percpu(ro->uniq);
can_sock_destruct(sk);
}

static int raw_init(struct sock *sk)
{
struct raw_sock *ro = raw_sk(sk);
Expand All @@ -353,6 +361,8 @@ static int raw_init(struct sock *sk)
if (unlikely(!ro->uniq))
return -ENOMEM;

sk->sk_destruct = raw_sock_destruct;

/* set notifier */
spin_lock(&raw_notifier_lock);
list_add_tail(&ro->notifier, &raw_notifier_list);
Expand Down Expand Up @@ -403,7 +413,6 @@ static int raw_release(struct socket *sock)
ro->ifindex = 0;
ro->bound = 0;
ro->count = 0;
free_percpu(ro->uniq);

sock_orphan(sk);
sock->sk = NULL;
Expand Down
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