Merge tag 'hw-misc-20240410' of https://github.com/philmd/qemu into staging

Misc HW patch queue

- Fix CXL Fixed Memory Window interleave-granularity typo
- Fix for DMA re-entrancy abuse with VirtIO devices (CVE-2024-3446)
- Fix out-of-bound access in NAND block buffer
- Fix memory leak in AppleSMC reset() handler
- Avoid VirtIO crypto backends abort o invalid session ID
- Fix overflow in LAN9118 MIL TX FIFO
- Fix overflow when abusing SDHCI TRNMOD register (CVE-2024-3447)
- Fix overrun in short fragmented packet SCTP checksum (CVE-2024-3567)
- Remove unused assignment in virtio-snd model (Coverity 1542933 & 1542934)

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* tag 'hw-misc-20240410' of https://github.com/philmd/qemu:
  hw/audio/virtio-snd: Remove unused assignment
  hw/net/net_tx_pkt: Fix overrun in update_sctp_checksum()
  hw/sd/sdhci: Do not update TRNMOD when Command Inhibit (DAT) is set
  hw/net/lan9118: Fix overflow in MIL TX FIFO
  hw/net/lan9118: Replace magic '2048' value by MIL_TXFIFO_SIZE definition
  backends/cryptodev: Do not abort for invalid session ID
  hw/misc/applesmc: Fix memory leak in reset() handler
  hw/misc/applesmc: Do not call DeviceReset from DeviceRealize
  hw/block/nand: Fix out-of-bound access in NAND block buffer
  hw/block/nand: Have blk_load() take unsigned offset and return boolean
  hw/block/nand: Factor nand_load_iolen() method out
  qemu-options: Fix CXL Fixed Memory Window interleave-granularity typo
  hw/virtio/virtio-crypto: Protect from DMA re-entrancy bugs
  hw/char/virtio-serial-bus: Protect from DMA re-entrancy bugs
  hw/display/virtio-gpu: Protect from DMA re-entrancy bugs
  hw/virtio: Introduce virtio_bh_new_guarded() helper

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index c5bedca848..871674f9be 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -4145,3 +4145,13 @@ static void virtio_register_types(void)
 }
 
 type_init(virtio_register_types)
+
+QEMUBH *virtio_bh_new_guarded_full(DeviceState *dev,
+                                   QEMUBHFunc *cb, void *opaque,
+                                   const char *name)
+{
+    DeviceState *transport = qdev_get_parent_bus(dev)->parent;
+
+    return qemu_bh_new_full(cb, opaque, name,
+                            &transport->mem_reentrancy_guard);
+}