On 2025/06/06 1:26, Alex Bennée wrote:
From: Nabih Estefan <nabiheste...@google.com>

   ../tests/qtest/libqos/igb.c:106:5: runtime error: load of misaligned address 
0x562040be8e33 for type 'uint32_t', which requires 4 byte alignment

Instead of straight casting the uint8_t array, we can use ldl_le_p and
lduw_l_p to assure the unaligned access works properly against
uint32_t and uint16_t.

Signed-off-by: Nabih Estefan <nabiheste...@google.com>
Reviewed-by: Laurent Vivier <lviv...@redhat.com>
Tested-by: Laurent Vivier <lviv...@redhat.com>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Message-Id: <20250429155621.2028198-1-nabiheste...@google.com>
[AJB: fix commit message, remove unneeded casts]
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
Message-ID: <20250603110204.838117-5-alex.ben...@linaro.org>

Somehow this patch was sent to my old email address though other patches were correctly sent to my new email address.

The patch itself looks good to me, so:
Reviewed-by: Akihiko Odaki <od...@rsg.ci.i.u-tokyo.ac.jp>

Regards,
Akihiko Odaki


diff --git a/tests/qtest/libqos/igb.c b/tests/qtest/libqos/igb.c
index f40c4ec4cd..ab3ef6f0c3 100644
--- a/tests/qtest/libqos/igb.c
+++ b/tests/qtest/libqos/igb.c
@@ -104,10 +104,10 @@ static void igb_pci_start_hw(QOSGraphObject *obj)
      e1000e_macreg_write(&d->e1000e, E1000_RDT(0), 0);
      e1000e_macreg_write(&d->e1000e, E1000_RDH(0), 0);
      e1000e_macreg_write(&d->e1000e, E1000_RA,
-                        le32_to_cpu(*(uint32_t *)address));
+                        ldl_le_p(address));
      e1000e_macreg_write(&d->e1000e, E1000_RA + 4,
                          E1000_RAH_AV | E1000_RAH_POOL_1 |
-                        le16_to_cpu(*(uint16_t *)(address + 4)));
+                        lduw_le_p(address + 4));
/* Set supported receive descriptor mode */
      e1000e_macreg_write(&d->e1000e,


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