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d="scan'208";a="11393005" From: Andrew Cooper To: Xen-devel Date: Wed, 15 Jan 2020 18:44:18 +0000 Message-ID: <20200115184418.21365-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] xen/vcpu: Improve sanity checks in vcpu_create() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Andrew Cooper , Jan Beulich , Volodymyr Babchuk , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" VGhlIEJVR19PTigpIGlzIGNvbmZ1c2luZyB0byBmb2xsb3cuICBUaGUgKCFpc19pZGxlX2RvbWFp bihkKSB8fCB2Y3B1X2lkKSBwYXJ0CmlzIGEgdmVzdGlnaWFsIHJlbW5hbnQgb2YgYXJjaGl0ZWN0 dXJlcyBwb2lzaW9uaW5nIGlkbGVfdmNwdVswXSB3aXRoIG5vbi1OVUxMCnBvaW50ZXJzLgoKTm93 IHRoYXQgaWRsZV92Y3B1WzBdIGlzIE5VTEwgb24gYWxsIGFyY2hpdGVjdHVyZXMsIGFuZCBkLT5t YXhfdmNwdXMgc3BlY2lmaWVkCmJlZm9yZSB2Y3B1X2NyZWF0ZSgpIGlzIGNhbGxlZCwgd2UgY2Fu IHByb3Blcmx5IHJhbmdlIGNoZWNrIHRoZSByZXF1ZXN0ZWQKdmNwdV9pZC4KClNpZ25lZC1vZmYt Ynk6IEFuZHJldyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+Ci0tLQpDQzogSmFu IEJldWxpY2ggPEpCZXVsaWNoQHN1c2UuY29tPgpDQzogV2VpIExpdSA8d2xAeGVuLm9yZz4KQ0M6 IFJvZ2VyIFBhdSBNb25uw6kgPHJvZ2VyLnBhdUBjaXRyaXguY29tPgpDQzogU3RlZmFubyBTdGFi ZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPgpDQzogSnVsaWVuIEdyYWxsIDxqdWxpZW5A eGVuLm9yZz4KQ0M6IFZvbG9keW15ciBCYWJjaHVrIDxWb2xvZHlteXJfQmFiY2h1a0BlcGFtLmNv bT4KLS0tCiB4ZW4vY29tbW9uL2RvbWFpbi5jIHwgMTQgKysrKysrKysrKysrKy0KIDEgZmlsZSBj aGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEveGVu L2NvbW1vbi9kb21haW4uYyBiL3hlbi9jb21tb24vZG9tYWluLmMKaW5kZXggMGIxMTAzZmRiMi4u ZWUzZjlmZmQzZSAxMDA2NDQKLS0tIGEveGVuL2NvbW1vbi9kb21haW4uYworKysgYi94ZW4vY29t bW9uL2RvbWFpbi5jCkBAIC0xMzksNyArMTM5LDE5IEBAIHN0cnVjdCB2Y3B1ICp2Y3B1X2NyZWF0 ZShzdHJ1Y3QgZG9tYWluICpkLCB1bnNpZ25lZCBpbnQgdmNwdV9pZCkKIHsKICAgICBzdHJ1Y3Qg dmNwdSAqdjsKIAotICAgIEJVR19PTigoIWlzX2lkbGVfZG9tYWluKGQpIHx8IHZjcHVfaWQpICYm IGQtPnZjcHVbdmNwdV9pZF0pOworICAgIC8qCisgICAgICogU2FuaXR5IGNoZWNrIHNvbWUgaW5w dXQgZXhwZWN0YXRpb25zOgorICAgICAqIC0gdmNwdV9pZCBzaG91bGQgYmUgYm91bmRlZCBieSBk LT5tYXhfdmNwdXMsIGFuZCBub3QgcHJldmlvdXNseQorICAgICAqICAgYWxsb2NhdGVkLgorICAg ICAqIC0gVkNQVXMgc2hvdWxkIGJlIHRpZ2h0bHkgcGFja2VkIGFuZCBhbGxvY2F0ZWQgaW4gYXNj ZW5kaW5nIG9yZGVyLAorICAgICAqICAgZXhjZXB0IGZvciB0aGUgaWRsZSBkb21haW4gd2hpY2gg bWF5IHZhcnkgYmFzZWQgb24gUENQVSBudW1iZXJpbmcuCisgICAgICovCisgICAgaWYgKCB2Y3B1 X2lkID49IGQtPm1heF92Y3B1cyB8fCBkLT52Y3B1W3ZjcHVfaWRdIHx8CisgICAgICAgICAoIWlz X2lkbGVfZG9tYWluKGQpICYmIHZjcHVfaWQgJiYgIWQtPnZjcHVbdmNwdV9pZCAtIDFdKSApCisg ICAgeworICAgICAgICBBU1NFUlRfVU5SRUFDSEFCTEUoKTsKKyAgICAgICAgcmV0dXJuIE5VTEw7 CisgICAgfQogCiAgICAgaWYgKCAodiA9IGFsbG9jX3ZjcHVfc3RydWN0KGQpKSA9PSBOVUxMICkK ICAgICAgICAgcmV0dXJuIE5VTEw7Ci0tIAoyLjExLjAKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZl bEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8veGVuLWRldmVs