linux: Temporary fix for issue #42755

Fix a serious issue with the xen-netfront driver introduced in
upstream commit f599c64fdf7d ("xen-netfront: Fix race between device
setup and open") where the MTU of the device cannot be set
properly. This should be removed once it's included in upstream.

2 files changed, 40 insertions, 0 deletions

diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index 69495e5fc439..e0826aaa9d48 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -59,4 +59,24 @@ rec {
     };
   };
 
+  # https://github.com/NixOS/nixpkgs/issues/42755
+  xen-netfront_fix_mismatched_rtnl_unlock = rec {
+    name = "xen-netfront_fix_mismatched_rtnl_unlock";
+    patch = fetchpatch {
+      name = name + ".patch";
+      url = https://github.com/torvalds/linux/commit/cb257783c2927b73614b20f915a91ff78aa6f3e8.patch;
+      sha256 = "0xhblx2j8wi3kpnfpgjjwlcwdry97ji2aaq54r3zirk5g5p72zs8";
+    };
+  };
+
+  # https://github.com/NixOS/nixpkgs/issues/42755
+  xen-netfront_update_features_after_registering_netdev = rec {
+    name = "xen-netfront_update_features_after_registering_netdev";
+    patch = fetchpatch {
+      name = name + ".patch";
+      url = https://github.com/torvalds/linux/commit/45c8184c1bed1ca8a7f02918552063a00b909bf5.patch;
+      sha256 = "1l8xq02rd7vakxg52xm9g4zng0ald866rpgm8kjlh88mwwyjkrwv";
+    };
+  };
+
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9f7b57295566..b054048be438 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13688,6 +13688,11 @@ with pkgs;
       [ kernelPatches.bridge_stp_helper
         kernelPatches.cpu-cgroup-v2."4.4"
         kernelPatches.modinst_arg_list_too_long
+        # https://github.com/NixOS/nixpkgs/issues/42755
+        # Remove these xen-netfront patches once they're included in
+        # upstream! Fixes https://github.com/NixOS/nixpkgs/issues/42755
+        kernelPatches.xen-netfront_fix_mismatched_rtnl_unlock
+        kernelPatches.xen-netfront_update_features_after_registering_netdev
       ];
   };
 
@@ -13696,6 +13701,11 @@ with pkgs;
       [ kernelPatches.bridge_stp_helper
         kernelPatches.cpu-cgroup-v2."4.9"
         kernelPatches.modinst_arg_list_too_long
+        # https://github.com/NixOS/nixpkgs/issues/42755
+        # Remove these xen-netfront patches once they're included in
+        # upstream! Fixes https://github.com/NixOS/nixpkgs/issues/42755
+        kernelPatches.xen-netfront_fix_mismatched_rtnl_unlock
+        kernelPatches.xen-netfront_update_features_after_registering_netdev
       ];
   };
 
@@ -13706,6 +13716,11 @@ with pkgs;
         # when adding a new linux version
         kernelPatches.cpu-cgroup-v2."4.11"
         kernelPatches.modinst_arg_list_too_long
+        # https://github.com/NixOS/nixpkgs/issues/42755
+        # Remove these xen-netfront patches once they're included in
+        # upstream! Fixes https://github.com/NixOS/nixpkgs/issues/42755
+        kernelPatches.xen-netfront_fix_mismatched_rtnl_unlock
+        kernelPatches.xen-netfront_update_features_after_registering_netdev
       ];
   };
 
@@ -13717,6 +13732,11 @@ with pkgs;
         # kernelPatches.cpu-cgroup-v2."4.11"
         kernelPatches.modinst_arg_list_too_long
         kernelPatches.bcm2835_mmal_v4l2_camera_driver # Only needed for 4.16!
+        # https://github.com/NixOS/nixpkgs/issues/42755
+        # Remove these xen-netfront patches once they're included in
+        # upstream! Fixes https://github.com/NixOS/nixpkgs/issues/42755
+        kernelPatches.xen-netfront_fix_mismatched_rtnl_unlock
+        kernelPatches.xen-netfront_update_features_after_registering_netdev
       ];
   };