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openSUSE:Step:15-SP2
qemu-testsuite.18974
0198-sungem-switch-to-use-qemu_receive_p.patch
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File 0198-sungem-switch-to-use-qemu_receive_p.patch of Package qemu-testsuite.18974
From: Jason Wang <jasowang@redhat.com> Date: Wed, 24 Feb 2021 13:14:35 +0800 Subject: sungem: switch to use qemu_receive_packet() for loopback MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Git-commit: 8c92060d3c0248bd4d515719a35922cd2391b9b4 This patch switches to use qemu_receive_packet() which can detect reentrancy and return early. This is intended to address CVE-2021-3416. Cc: Prasad J Pandit <ppandit@redhat.com> Cc: qemu-stable@nongnu.org Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/net/sungem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/net/sungem.c b/hw/net/sungem.c index 60f1e479f378efeb7355e60a8fb5..a19dc7a0bcbb4d12dbb274d4ce2b 100644 --- a/hw/net/sungem.c +++ b/hw/net/sungem.c @@ -302,7 +302,7 @@ static void sungem_send_packet(SunGEMState *s, const uint8_t *buf, NetClientState *nc = qemu_get_queue(s->nic); if (s->macregs[MAC_XIFCFG >> 2] & MAC_XIFCFG_LBCK) { - nc->info->receive(nc, buf, size); + qemu_receive_packet(nc, buf, size); } else { qemu_send_packet(nc, buf, size); }
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