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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-04-24 01:16:43 +0200 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2020-06-18 21:05:51 +0800 |
| commit | 97d7fb5a792b8b289ca6a981d9fe3369fa8b8c3c (patch) | |
| tree | f365f7d00046d7f5d4ba9c8dd77bddef7f7e4c97 /hw/net/tulip.c | |
| parent | 171ce2e27906a59e243baf8c67ad1c1193cec4be (diff) | |
| download | focaccia-qemu-97d7fb5a792b8b289ca6a981d9fe3369fa8b8c3c.tar.gz focaccia-qemu-97d7fb5a792b8b289ca6a981d9fe3369fa8b8c3c.zip | |
hw/net/tulip: Log descriptor overflows
Log with GUEST_ERROR what the guest is doing wrong. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'hw/net/tulip.c')
| -rw-r--r-- | hw/net/tulip.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/net/tulip.c b/hw/net/tulip.c index 57ecbe2161..4487fd61cf 100644 --- a/hw/net/tulip.c +++ b/hw/net/tulip.c @@ -578,6 +578,9 @@ static int tulip_copy_tx_buffers(TULIPState *s, struct tulip_descriptor *desc) int len2 = (desc->control >> TDES1_BUF2_SIZE_SHIFT) & TDES1_BUF2_SIZE_MASK; if (s->tx_frame_len + len1 > sizeof(s->tx_frame)) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: descriptor overflow (ofs: %u, len:%d, size:%zu)\n", + __func__, s->tx_frame_len, len1, sizeof(s->tx_frame)); return -1; } if (len1) { @@ -587,6 +590,9 @@ static int tulip_copy_tx_buffers(TULIPState *s, struct tulip_descriptor *desc) } if (s->tx_frame_len + len2 > sizeof(s->tx_frame)) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: descriptor overflow (ofs: %u, len:%d, size:%zu)\n", + __func__, s->tx_frame_len, len2, sizeof(s->tx_frame)); return -1; } if (len2) { |