From: Klaus Jensen <k.jen...@samsung.com> Yutaro Shimizu from the Cyber Defense Institute discovered a bug in the NVMe emulation that leaks contents of an uninitialized heap buffer if subsystem and FDP emulation are enabled.
Cc: qemu-sta...@nongnu.org Reported-by: Yutaro Shimizu <shim...@cyberdefense.jp> Signed-off-by: Klaus Jensen <k.jen...@samsung.com> (cherry picked from commit 6a22121c4f25b181e99479f65958ecde65da1c92) Signed-off-by: Michael Tokarev <m...@tls.msk.ru> diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 1fa117fdff..ca54c250b2 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -4302,7 +4302,7 @@ static uint16_t nvme_io_mgmt_recv_ruhs(NvmeCtrl *n, NvmeRequest *req, nruhsd = ns->fdp.nphs * endgrp->fdp.nrg; trans_len = sizeof(NvmeRuhStatus) + nruhsd * sizeof(NvmeRuhStatusDescr); - buf = g_malloc(trans_len); + buf = g_malloc0(trans_len); trans_len = MIN(trans_len, len); -- 2.39.2