Description: backends treating grant mapping errors as bugs
References:
 https://xenbits.xen.org/xsa/advisory-362.html
 https://lore.kernel.org/lkml/20210216124015.28923-1-jgross@suse.com/
Notes:
Bugs:
upstream: released (5.12-rc1) [5a264285ed1cd32e26d9de4f3c8c6855e467fd63, 3194a1746e8aabe86075fd3c5e7cf1f4632d7f16, 7c77474b2d22176d2bfb592ec74e0f2cb71352c9]
5.10-upstream-stable: released (5.10.18) [8f8ebd6b1cb5cff96a11cd336027e745d48c2cab, 2814b3aa38a679c63aa535355b02a5bd0f681a83, 9bea436fc3fc9a820b8b34e83708971c1813b892]
4.19-upstream-stable: released (4.19.177) [a01b49a9bf91a723f541139c063c1ff681ac536a, 717faa776ca2163119239ea58bb78c4d732d8a4f, f84c00fbd27b043fa42a56eaaa14e293877bc69b]
4.9-upstream-stable: released (4.9.258) [746d5c20c9cbeac0ee9f24a51862eb551c7b8706, a0e570acdb610f2cbe345a32ddbdf941644131b1, 5bf626a00983102b9c70f0bf12adae784b9cfe85]
sid: released (5.10.19-1)
4.19-buster-security: released (4.19.177-1)
4.9-stretch-security: released (4.9.258-1)