reverted:
--- linux-hwe-6.5-6.5.0/block/ioctl.c
+++ linux-hwe-6.5-6.5.0.orig/block/ioctl.c
@@ -20,8 +20,6 @@
 	struct blkpg_partition p;
 	long long start, length;
 
-	if (disk->flags & GENHD_FL_NO_PART)
-		return -EINVAL;
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
 	if (copy_from_user(&p, upart, sizeof(struct blkpg_partition)))
diff -u linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/abiname linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/abiname
--- linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/abiname
+++ linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/abiname
@@ -1 +1 @@
-17
+18
diff -u linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/version linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/version
--- linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/version
+++ linux-hwe-6.5-6.5.0/debian.hwe-6.5/abi/version
@@ -1 +1 @@
-6.5.0-17.17~22.04.1
+6.5.0-18.18~22.04.1
diff -u linux-hwe-6.5-6.5.0/debian.hwe-6.5/changelog linux-hwe-6.5-6.5.0/debian.hwe-6.5/changelog
--- linux-hwe-6.5-6.5.0/debian.hwe-6.5/changelog
+++ linux-hwe-6.5-6.5.0/debian.hwe-6.5/changelog
@@ -1,3 +1,31 @@
+linux-hwe-6.5 (6.5.0-21.21~22.04.1) jammy; urgency=medium
+
+  * jammy/linux-hwe-6.5: 6.5.0-21.21~22.04.1 -proposed tracker (LP: #2052287)
+
+  [ Ubuntu: 6.5.0-21.21 ]
+
+  * mantic/linux: 6.5.0-21.21 -proposed tracker (LP: #2052603)
+  * The display becomes frozen after some time when a HDMI device is connected.
+    (LP: #2049027)
+    - drm/i915/dmc: Don't enable any pipe DMC events
+  * partproke is broken on empty loopback device (LP: #2049689)
+    - block: Move checking GENHD_FL_NO_PART to bdev_add_partition()
+  * CVE-2023-51781
+    - appletalk: Fix Use-After-Free in atalk_ioctl
+  * CVE-2023-51780
+    - atm: Fix Use-After-Free in do_vcc_ioctl
+  * CVE-2023-6915
+    - ida: Fix crash in ida_free when the bitmap is empty
+  * CVE-2024-0565
+    - smb: client: fix OOB in receive_encrypted_standard()
+  * CVE-2024-0582
+    - io_uring: enable io_mem_alloc/free to be used in other parts
+    - io_uring/kbuf: defer release of mapped buffer rings
+  * CVE-2024-0646
+    - net: tls, update curr on splice as well
+
+ -- Roxana Nicolescu <roxana.nicolescu@canonical.com>  Fri, 09 Feb 2024 11:46:11 +0100
+
 linux-hwe-6.5 (6.5.0-18.18~22.04.1) jammy; urgency=medium
 
   * jammy/linux-hwe-6.5: 6.5.0-18.18~22.04.1 -proposed tracker (LP: #2052595)
diff -u linux-hwe-6.5-6.5.0/debian.hwe-6.5/tracking-bug linux-hwe-6.5-6.5.0/debian.hwe-6.5/tracking-bug
--- linux-hwe-6.5-6.5.0/debian.hwe-6.5/tracking-bug
+++ linux-hwe-6.5-6.5.0/debian.hwe-6.5/tracking-bug
@@ -1 +1 @@
-2052595 2024.01.08-11
+2052287 s2024.01.08-1
diff -u linux-hwe-6.5-6.5.0/debian.master/abi/abiname linux-hwe-6.5-6.5.0/debian.master/abi/abiname
--- linux-hwe-6.5-6.5.0/debian.master/abi/abiname
+++ linux-hwe-6.5-6.5.0/debian.master/abi/abiname
@@ -1 +1 @@
-16
+17
diff -u linux-hwe-6.5-6.5.0/debian.master/abi/s390x/generic.modules.builtin linux-hwe-6.5-6.5.0/debian.master/abi/s390x/generic.modules.builtin
--- linux-hwe-6.5-6.5.0/debian.master/abi/s390x/generic.modules.builtin
+++ linux-hwe-6.5-6.5.0/debian.master/abi/s390x/generic.modules.builtin
@@ -127,6 +127,7 @@
 tun
 unix
 utf8data
+uvdevice
 vfat
 virtio
 virtio_balloon
diff -u linux-hwe-6.5-6.5.0/debian.master/abi/version linux-hwe-6.5-6.5.0/debian.master/abi/version
--- linux-hwe-6.5-6.5.0/debian.master/abi/version
+++ linux-hwe-6.5-6.5.0/debian.master/abi/version
@@ -1 +1 @@
-6.5.0-16.16
+6.5.0-17.17
diff -u linux-hwe-6.5-6.5.0/debian.master/changelog linux-hwe-6.5-6.5.0/debian.master/changelog
--- linux-hwe-6.5-6.5.0/debian.master/changelog
+++ linux-hwe-6.5-6.5.0/debian.master/changelog
@@ -1,3 +1,35 @@
+linux (6.5.0-21.21) mantic; urgency=medium
+
+  * mantic/linux: 6.5.0-21.21 -proposed tracker (LP: #2052603)
+
+  * The display becomes frozen after some time when a HDMI device is connected.
+    (LP: #2049027)
+    - drm/i915/dmc: Don't enable any pipe DMC events
+
+  * partproke is broken on empty loopback device (LP: #2049689)
+    - block: Move checking GENHD_FL_NO_PART to bdev_add_partition()
+
+  * CVE-2023-51781
+    - appletalk: Fix Use-After-Free in atalk_ioctl
+
+  * CVE-2023-51780
+    - atm: Fix Use-After-Free in do_vcc_ioctl
+
+  * CVE-2023-6915
+    - ida: Fix crash in ida_free when the bitmap is empty
+
+  * CVE-2024-0565
+    - smb: client: fix OOB in receive_encrypted_standard()
+
+  * CVE-2024-0582
+    - io_uring: enable io_mem_alloc/free to be used in other parts
+    - io_uring/kbuf: defer release of mapped buffer rings
+
+  * CVE-2024-0646
+    - net: tls, update curr on splice as well
+
+ -- Manuel Diewald <manuel.diewald@canonical.com>  Wed, 07 Feb 2024 13:06:01 +0100
+
 linux (6.5.0-17.17) mantic; urgency=medium
 
   * mantic/linux: 6.5.0-17.17 -proposed tracker (LP: #2049026)
diff -u linux-hwe-6.5-6.5.0/debian.master/tracking-bug linux-hwe-6.5-6.5.0/debian.master/tracking-bug
--- linux-hwe-6.5-6.5.0/debian.master/tracking-bug
+++ linux-hwe-6.5-6.5.0/debian.master/tracking-bug
@@ -1 +1 @@
-2049026 2024.01.08-3
+2052603 s2024.01.08-2
diff -u linux-hwe-6.5-6.5.0/debian/changelog linux-hwe-6.5-6.5.0/debian/changelog
--- linux-hwe-6.5-6.5.0/debian/changelog
+++ linux-hwe-6.5-6.5.0/debian/changelog
@@ -1,3 +1,31 @@
+linux-hwe-6.5 (6.5.0-21.21~22.04.1) jammy; urgency=medium
+
+  * jammy/linux-hwe-6.5: 6.5.0-21.21~22.04.1 -proposed tracker (LP: #2052287)
+
+  [ Ubuntu: 6.5.0-21.21 ]
+
+  * mantic/linux: 6.5.0-21.21 -proposed tracker (LP: #2052603)
+  * The display becomes frozen after some time when a HDMI device is connected.
+    (LP: #2049027)
+    - drm/i915/dmc: Don't enable any pipe DMC events
+  * partproke is broken on empty loopback device (LP: #2049689)
+    - block: Move checking GENHD_FL_NO_PART to bdev_add_partition()
+  * CVE-2023-51781
+    - appletalk: Fix Use-After-Free in atalk_ioctl
+  * CVE-2023-51780
+    - atm: Fix Use-After-Free in do_vcc_ioctl
+  * CVE-2023-6915
+    - ida: Fix crash in ida_free when the bitmap is empty
+  * CVE-2024-0565
+    - smb: client: fix OOB in receive_encrypted_standard()
+  * CVE-2024-0582
+    - io_uring: enable io_mem_alloc/free to be used in other parts
+    - io_uring/kbuf: defer release of mapped buffer rings
+  * CVE-2024-0646
+    - net: tls, update curr on splice as well
+
+ -- Roxana Nicolescu <roxana.nicolescu@canonical.com>  Fri, 09 Feb 2024 11:46:11 +0100
+
 linux-hwe-6.5 (6.5.0-18.18~22.04.1) jammy; urgency=medium
 
   * jammy/linux-hwe-6.5: 6.5.0-18.18~22.04.1 -proposed tracker (LP: #2052595)
diff -u linux-hwe-6.5-6.5.0/debian/control linux-hwe-6.5-6.5.0/debian/control
--- linux-hwe-6.5-6.5.0/debian/control
+++ linux-hwe-6.5-6.5.0/debian/control
@@ -88,7 +88,7 @@
  you do not want this package. Install the appropriate linux-headers
  package instead.
 
-Package: linux-hwe-6.5-headers-6.5.0-18
+Package: linux-hwe-6.5-headers-6.5.0-21
 Build-Profiles: <!stage1>
 Architecture: all
 Multi-Arch: foreign
@@ -98,7 +98,7 @@
 Description: Header files related to Linux kernel version 6.5.0
  This package provides kernel header files for version 6.5.0, for sites
  that want the latest kernel headers. Please read
- /usr/share/doc/linux-hwe-6.5-headers-6.5.0-18/debian.README.gz for details
+ /usr/share/doc/linux-hwe-6.5-headers-6.5.0-21/debian.README.gz for details
 
 Package: linux-hwe-6.5-tools-common
 Build-Profiles: <!stage1>
@@ -113,18 +113,18 @@
  version locked tools (such as perf and x86_energy_perf_policy) for
  version 6.5.0.
 
-Package: linux-hwe-6.5-tools-6.5.0-18
+Package: linux-hwe-6.5-tools-6.5.0-21
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: devel
 Priority: optional
 Depends: ${misc:Depends}, ${shlibs:Depends}, linux-tools-common
-Description: Linux kernel version specific tools for version 6.5.0-18
+Description: Linux kernel version specific tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
  version locked tools (such as perf and x86_energy_perf_policy) for
- version 6.5.0-18 on
+ version 6.5.0-21 on
  64 bit x86.
- You probably want to install linux-tools-6.5.0-18-<flavour>.
+ You probably want to install linux-tools-6.5.0-21-<flavour>.
 
 Package: linux-hwe-6.5-cloud-tools-common
 Build-Profiles: <!stage1>
@@ -137,17 +137,17 @@
  This package provides the architecture independent parts for kernel
  version locked tools for cloud tools for version 6.5.0.
 
-Package: linux-hwe-6.5-cloud-tools-6.5.0-18
+Package: linux-hwe-6.5-cloud-tools-6.5.0-21
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf
 Section: devel
 Priority: optional
 Depends: ${misc:Depends}, ${shlibs:Depends}, linux-cloud-tools-common
-Description: Linux kernel version specific cloud tools for version 6.5.0-18
+Description: Linux kernel version specific cloud tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
- version locked tools for cloud tools for version 6.5.0-18 on
+ version locked tools for cloud tools for version 6.5.0-21 on
  64 bit x86.
- You probably want to install linux-cloud-tools-6.5.0-18-<flavour>.
+ You probably want to install linux-cloud-tools-6.5.0-21-<flavour>.
 
 Package: linux-hwe-6.5-tools-host
 Build-Profiles: <!stage1>
@@ -161,17 +161,17 @@
 
 
 
-Package: linux-image-unsigned-6.5.0-18-generic
+Package: linux-image-unsigned-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: kernel
 Priority: optional
 Provides: linux-image, fuse-module, kvm-api-4, redhat-cluster-modules, ivtv-modules, virtualbox-guest-modules [amd64], ${linux:rprovides}
-Depends: ${misc:Depends}, ${shlibs:Depends}, kmod, linux-base (>= 4.5ubuntu1~16.04.1), linux-modules-6.5.0-18-generic
+Depends: ${misc:Depends}, ${shlibs:Depends}, kmod, linux-base (>= 4.5ubuntu1~16.04.1), linux-modules-6.5.0-21-generic
 Recommends: grub-pc [amd64] | grub-efi-amd64 [amd64] | grub-efi-ia32 [amd64] | grub [amd64] | lilo [amd64] | flash-kernel [armhf arm64] | grub-efi-arm64 [arm64] | grub-efi-arm [armhf] | grub-ieee1275 [ppc64el], initramfs-tools | linux-initramfs-tool
 Breaks: flash-kernel (<< 3.90ubuntu2) [arm64 armhf], s390-tools (<< 2.3.0-0ubuntu3) [s390x]
-Conflicts: linux-image-6.5.0-18-generic
-Suggests: fdutils, linux-doc | linux-hwe-6.5-source-6.5.0, linux-hwe-6.5-tools, linux-headers-6.5.0-18-generic, linux-modules-extra-6.5.0-18-generic
+Conflicts: linux-image-6.5.0-21-generic
+Suggests: fdutils, linux-doc | linux-hwe-6.5-source-6.5.0, linux-hwe-6.5-tools, linux-headers-6.5.0-21-generic, linux-modules-extra-6.5.0-21-generic
 Description: Linux kernel image for version 6.5.0 on 64 bit x86 SMP
  This package contains the unsigned Linux kernel image for version 6.5.0 on
  64 bit x86 SMP.
@@ -184,7 +184,7 @@
  the linux-generic meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-modules-6.5.0-18-generic
+Package: linux-modules-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: kernel
@@ -204,12 +204,12 @@
  the linux-generic meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-modules-extra-6.5.0-18-generic
+Package: linux-modules-extra-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: kernel
 Priority: optional
-Depends: ${misc:Depends}, ${shlibs:Depends}, linux-modules-6.5.0-18-generic, wireless-regdb
+Depends: ${misc:Depends}, ${shlibs:Depends}, linux-modules-6.5.0-21-generic, wireless-regdb
 Description: Linux kernel extra modules for version 6.5.0 on 64 bit x86 SMP
  This package contains the Linux kernel extra modules for version 6.5.0 on
  64 bit x86 SMP.
@@ -226,21 +226,21 @@
  the linux-generic meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-headers-6.5.0-18-generic
+Package: linux-headers-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-headers-6.5.0-18, ${shlibs:Depends}
+Depends: ${misc:Depends}, linux-hwe-6.5-headers-6.5.0-21, ${shlibs:Depends}
 Provides: linux-headers, linux-headers-3.0
 Description: Linux kernel headers for version 6.5.0 on 64 bit x86 SMP
  This package provides kernel header files for version 6.5.0 on
  64 bit x86 SMP.
  .
  This is for sites that want the latest kernel headers.  Please read
- /usr/share/doc/linux-headers-6.5.0-18/debian.README.gz for details.
+ /usr/share/doc/linux-headers-6.5.0-21/debian.README.gz for details.
 
-Package: linux-hwe-6.5-lib-rust-6.5.0-18-generic
+Package: linux-hwe-6.5-lib-rust-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64
 Multi-Arch: foreign
@@ -251,7 +251,7 @@
  This package provides kernel library files for version 6.5.0, that allow to
  compile out-of-tree kernel modules written in Rust.
 
-Package: linux-image-unsigned-6.5.0-18-generic-dbgsym
+Package: linux-image-unsigned-6.5.0-21-generic-dbgsym
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: devel
@@ -268,31 +268,31 @@
  is uncompressed, and unstripped. This package also includes the
  unstripped modules.
 
-Package: linux-tools-6.5.0-18-generic
+Package: linux-tools-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-tools-6.5.0-18
-Description: Linux kernel version specific tools for version 6.5.0-18
+Depends: ${misc:Depends}, linux-hwe-6.5-tools-6.5.0-21
+Description: Linux kernel version specific tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
  version locked tools (such as perf and x86_energy_perf_policy) for
- version 6.5.0-18 on
+ version 6.5.0-21 on
  64 bit x86.
 
-Package: linux-cloud-tools-6.5.0-18-generic
+Package: linux-cloud-tools-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-cloud-tools-6.5.0-18
-Description: Linux kernel version specific cloud tools for version 6.5.0-18
+Depends: ${misc:Depends}, linux-hwe-6.5-cloud-tools-6.5.0-21
+Description: Linux kernel version specific cloud tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
- version locked tools for cloud for version 6.5.0-18 on
+ version locked tools for cloud for version 6.5.0-21 on
  64 bit x86.
 
 
-Package: linux-buildinfo-6.5.0-18-generic
+Package: linux-buildinfo-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: kernel
@@ -306,18 +306,18 @@
  You likely do not want to install this package.
 
 
-Package: linux-modules-ipu6-6.5.0-18-generic
+Package: linux-modules-ipu6-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic | linux-image-unsigned-6.5.0-18-generic,
+ linux-image-6.5.0-21-generic | linux-image-unsigned-6.5.0-21-generic,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel ipu6 modules for version 6.5.0-18
+Description: Linux kernel ipu6 modules for version 6.5.0-21
  This package provides the Linux kernel ipu6 modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-ipu6-generic* meta-packages,
@@ -325,18 +325,18 @@
  also installed.
 
 
-Package: linux-modules-ivsc-6.5.0-18-generic
+Package: linux-modules-ivsc-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic | linux-image-unsigned-6.5.0-18-generic,
+ linux-image-6.5.0-21-generic | linux-image-unsigned-6.5.0-21-generic,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel ivsc modules for version 6.5.0-18
+Description: Linux kernel ivsc modules for version 6.5.0-21
  This package provides the Linux kernel ivsc modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-ivsc-generic* meta-packages,
@@ -344,18 +344,18 @@
  also installed.
 
 
-Package: linux-modules-iwlwifi-6.5.0-18-generic
+Package: linux-modules-iwlwifi-6.5.0-21-generic
 Build-Profiles: <!stage1>
 Architecture: amd64 armhf arm64 ppc64el s390x
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic | linux-image-unsigned-6.5.0-18-generic,
+ linux-image-6.5.0-21-generic | linux-image-unsigned-6.5.0-21-generic,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel iwlwifi modules for version 6.5.0-18
+Description: Linux kernel iwlwifi modules for version 6.5.0-21
  This package provides the Linux kernel iwlwifi modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-iwlwifi-generic* meta-packages,
@@ -363,17 +363,17 @@
  also installed.
 
 
-Package: linux-image-unsigned-6.5.0-18-generic-64k
+Package: linux-image-unsigned-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: kernel
 Priority: optional
 Provides: linux-image, fuse-module, kvm-api-4, redhat-cluster-modules, ivtv-modules, ${linux:rprovides}
-Depends: ${misc:Depends}, ${shlibs:Depends}, kmod, linux-base (>= 4.5ubuntu1~16.04.1), linux-modules-6.5.0-18-generic-64k
+Depends: ${misc:Depends}, ${shlibs:Depends}, kmod, linux-base (>= 4.5ubuntu1~16.04.1), linux-modules-6.5.0-21-generic-64k
 Recommends: grub-efi-arm64 [arm64] | flash-kernel [arm64], initramfs-tools | linux-initramfs-tool
 Breaks: flash-kernel (<< 3.90ubuntu2) [arm64 armhf], s390-tools (<< 2.3.0-0ubuntu3) [s390x]
-Conflicts: linux-image-6.5.0-18-generic-64k
-Suggests: fdutils, linux-doc | linux-hwe-6.5-source-6.5.0, linux-hwe-6.5-tools, linux-headers-6.5.0-18-generic-64k, linux-modules-extra-6.5.0-18-generic-64k
+Conflicts: linux-image-6.5.0-21-generic-64k
+Suggests: fdutils, linux-doc | linux-hwe-6.5-source-6.5.0, linux-hwe-6.5-tools, linux-headers-6.5.0-21-generic-64k, linux-modules-extra-6.5.0-21-generic-64k
 Description: Linux kernel image for version 6.5.0 on 64 bit x86 SMP
  This package contains the unsigned Linux kernel image for version 6.5.0 on
  64 bit x86 SMP.
@@ -386,7 +386,7 @@
  the linux-generic-64k meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-modules-6.5.0-18-generic-64k
+Package: linux-modules-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: kernel
@@ -406,12 +406,12 @@
  the linux-generic-64k meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-modules-extra-6.5.0-18-generic-64k
+Package: linux-modules-extra-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: kernel
 Priority: optional
-Depends: ${misc:Depends}, ${shlibs:Depends}, linux-modules-6.5.0-18-generic-64k, wireless-regdb
+Depends: ${misc:Depends}, ${shlibs:Depends}, linux-modules-6.5.0-21-generic-64k, wireless-regdb
 Description: Linux kernel extra modules for version 6.5.0 on 64 bit x86 SMP
  This package contains the Linux kernel extra modules for version 6.5.0 on
  64 bit x86 SMP.
@@ -428,21 +428,21 @@
  the linux-generic-64k meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-headers-6.5.0-18-generic-64k
+Package: linux-headers-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-headers-6.5.0-18, ${shlibs:Depends}
+Depends: ${misc:Depends}, linux-hwe-6.5-headers-6.5.0-21, ${shlibs:Depends}
 Provides: linux-headers, linux-headers-3.0
 Description: Linux kernel headers for version 6.5.0 on 64 bit x86 SMP
  This package provides kernel header files for version 6.5.0 on
  64 bit x86 SMP.
  .
  This is for sites that want the latest kernel headers.  Please read
- /usr/share/doc/linux-headers-6.5.0-18/debian.README.gz for details.
+ /usr/share/doc/linux-headers-6.5.0-21/debian.README.gz for details.
 
-Package: linux-hwe-6.5-lib-rust-6.5.0-18-generic-64k
+Package: linux-hwe-6.5-lib-rust-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: amd64
 Multi-Arch: foreign
@@ -453,7 +453,7 @@
  This package provides kernel library files for version 6.5.0, that allow to
  compile out-of-tree kernel modules written in Rust.
 
-Package: linux-image-unsigned-6.5.0-18-generic-64k-dbgsym
+Package: linux-image-unsigned-6.5.0-21-generic-64k-dbgsym
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: devel
@@ -470,31 +470,31 @@
  is uncompressed, and unstripped. This package also includes the
  unstripped modules.
 
-Package: linux-tools-6.5.0-18-generic-64k
+Package: linux-tools-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-tools-6.5.0-18
-Description: Linux kernel version specific tools for version 6.5.0-18
+Depends: ${misc:Depends}, linux-hwe-6.5-tools-6.5.0-21
+Description: Linux kernel version specific tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
  version locked tools (such as perf and x86_energy_perf_policy) for
- version 6.5.0-18 on
+ version 6.5.0-21 on
  64 bit x86.
 
-Package: linux-cloud-tools-6.5.0-18-generic-64k
+Package: linux-cloud-tools-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-cloud-tools-6.5.0-18
-Description: Linux kernel version specific cloud tools for version 6.5.0-18
+Depends: ${misc:Depends}, linux-hwe-6.5-cloud-tools-6.5.0-21
+Description: Linux kernel version specific cloud tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
- version locked tools for cloud for version 6.5.0-18 on
+ version locked tools for cloud for version 6.5.0-21 on
  64 bit x86.
 
 
-Package: linux-buildinfo-6.5.0-18-generic-64k
+Package: linux-buildinfo-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: kernel
@@ -508,18 +508,18 @@
  You likely do not want to install this package.
 
 
-Package: linux-modules-ipu6-6.5.0-18-generic-64k
+Package: linux-modules-ipu6-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic-64k | linux-image-unsigned-6.5.0-18-generic-64k,
+ linux-image-6.5.0-21-generic-64k | linux-image-unsigned-6.5.0-21-generic-64k,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel ipu6 modules for version 6.5.0-18
+Description: Linux kernel ipu6 modules for version 6.5.0-21
  This package provides the Linux kernel ipu6 modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-ipu6-generic-64k* meta-packages,
@@ -527,18 +527,18 @@
  also installed.
 
 
-Package: linux-modules-ivsc-6.5.0-18-generic-64k
+Package: linux-modules-ivsc-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic-64k | linux-image-unsigned-6.5.0-18-generic-64k,
+ linux-image-6.5.0-21-generic-64k | linux-image-unsigned-6.5.0-21-generic-64k,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel ivsc modules for version 6.5.0-18
+Description: Linux kernel ivsc modules for version 6.5.0-21
  This package provides the Linux kernel ivsc modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-ivsc-generic-64k* meta-packages,
@@ -546,18 +546,18 @@
  also installed.
 
 
-Package: linux-modules-iwlwifi-6.5.0-18-generic-64k
+Package: linux-modules-iwlwifi-6.5.0-21-generic-64k
 Build-Profiles: <!stage1>
 Architecture: arm64
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic-64k | linux-image-unsigned-6.5.0-18-generic-64k,
+ linux-image-6.5.0-21-generic-64k | linux-image-unsigned-6.5.0-21-generic-64k,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel iwlwifi modules for version 6.5.0-18
+Description: Linux kernel iwlwifi modules for version 6.5.0-21
  This package provides the Linux kernel iwlwifi modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-iwlwifi-generic-64k* meta-packages,
@@ -565,17 +565,17 @@
  also installed.
 
 
-Package: linux-image-unsigned-6.5.0-18-generic-lpae
+Package: linux-image-unsigned-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: kernel
 Priority: optional
 Provides: linux-image, fuse-module, kvm-api-4, redhat-cluster-modules, ivtv-modules, ${linux:rprovides}
-Depends: ${misc:Depends}, ${shlibs:Depends}, kmod, linux-base (>= 4.5ubuntu1~16.04.1), linux-modules-6.5.0-18-generic-lpae
+Depends: ${misc:Depends}, ${shlibs:Depends}, kmod, linux-base (>= 4.5ubuntu1~16.04.1), linux-modules-6.5.0-21-generic-lpae
 Recommends: flash-kernel [armhf] | grub-efi-arm [armhf], initramfs-tools | linux-initramfs-tool
 Breaks: flash-kernel (<< 3.90ubuntu2) [arm64 armhf], s390-tools (<< 2.3.0-0ubuntu3) [s390x]
-Conflicts: linux-image-6.5.0-18-generic-lpae
-Suggests: fdutils, linux-doc | linux-hwe-6.5-source-6.5.0, linux-hwe-6.5-tools, linux-headers-6.5.0-18-generic-lpae, linux-modules-extra-6.5.0-18-generic-lpae
+Conflicts: linux-image-6.5.0-21-generic-lpae
+Suggests: fdutils, linux-doc | linux-hwe-6.5-source-6.5.0, linux-hwe-6.5-tools, linux-headers-6.5.0-21-generic-lpae, linux-modules-extra-6.5.0-21-generic-lpae
 Description: Linux kernel image for version 6.5.0 on 64 bit x86 SMP
  This package contains the unsigned Linux kernel image for version 6.5.0 on
  64 bit x86 SMP.
@@ -588,7 +588,7 @@
  the linux-generic-lpae meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-modules-6.5.0-18-generic-lpae
+Package: linux-modules-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: kernel
@@ -608,12 +608,12 @@
  the linux-generic-lpae meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-modules-extra-6.5.0-18-generic-lpae
+Package: linux-modules-extra-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: kernel
 Priority: optional
-Depends: ${misc:Depends}, ${shlibs:Depends}, linux-modules-6.5.0-18-generic-lpae, wireless-regdb
+Depends: ${misc:Depends}, ${shlibs:Depends}, linux-modules-6.5.0-21-generic-lpae, wireless-regdb
 Description: Linux kernel extra modules for version 6.5.0 on 64 bit x86 SMP
  This package contains the Linux kernel extra modules for version 6.5.0 on
  64 bit x86 SMP.
@@ -630,21 +630,21 @@
  the linux-generic-lpae meta-package, which will ensure that upgrades work
  correctly, and that supporting packages are also installed.
 
-Package: linux-headers-6.5.0-18-generic-lpae
+Package: linux-headers-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-headers-6.5.0-18, ${shlibs:Depends}
+Depends: ${misc:Depends}, linux-hwe-6.5-headers-6.5.0-21, ${shlibs:Depends}
 Provides: linux-headers, linux-headers-3.0
 Description: Linux kernel headers for version 6.5.0 on 64 bit x86 SMP
  This package provides kernel header files for version 6.5.0 on
  64 bit x86 SMP.
  .
  This is for sites that want the latest kernel headers.  Please read
- /usr/share/doc/linux-headers-6.5.0-18/debian.README.gz for details.
+ /usr/share/doc/linux-headers-6.5.0-21/debian.README.gz for details.
 
-Package: linux-hwe-6.5-lib-rust-6.5.0-18-generic-lpae
+Package: linux-hwe-6.5-lib-rust-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: amd64
 Multi-Arch: foreign
@@ -655,7 +655,7 @@
  This package provides kernel library files for version 6.5.0, that allow to
  compile out-of-tree kernel modules written in Rust.
 
-Package: linux-image-unsigned-6.5.0-18-generic-lpae-dbgsym
+Package: linux-image-unsigned-6.5.0-21-generic-lpae-dbgsym
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: devel
@@ -672,31 +672,31 @@
  is uncompressed, and unstripped. This package also includes the
  unstripped modules.
 
-Package: linux-tools-6.5.0-18-generic-lpae
+Package: linux-tools-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-tools-6.5.0-18
-Description: Linux kernel version specific tools for version 6.5.0-18
+Depends: ${misc:Depends}, linux-hwe-6.5-tools-6.5.0-21
+Description: Linux kernel version specific tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
  version locked tools (such as perf and x86_energy_perf_policy) for
- version 6.5.0-18 on
+ version 6.5.0-21 on
  64 bit x86.
 
-Package: linux-cloud-tools-6.5.0-18-generic-lpae
+Package: linux-cloud-tools-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: devel
 Priority: optional
-Depends: ${misc:Depends}, linux-hwe-6.5-cloud-tools-6.5.0-18
-Description: Linux kernel version specific cloud tools for version 6.5.0-18
+Depends: ${misc:Depends}, linux-hwe-6.5-cloud-tools-6.5.0-21
+Description: Linux kernel version specific cloud tools for version 6.5.0-21
  This package provides the architecture dependant parts for kernel
- version locked tools for cloud for version 6.5.0-18 on
+ version locked tools for cloud for version 6.5.0-21 on
  64 bit x86.
 
 
-Package: linux-buildinfo-6.5.0-18-generic-lpae
+Package: linux-buildinfo-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: kernel
@@ -710,18 +710,18 @@
  You likely do not want to install this package.
 
 
-Package: linux-modules-ipu6-6.5.0-18-generic-lpae
+Package: linux-modules-ipu6-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic-lpae | linux-image-unsigned-6.5.0-18-generic-lpae,
+ linux-image-6.5.0-21-generic-lpae | linux-image-unsigned-6.5.0-21-generic-lpae,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel ipu6 modules for version 6.5.0-18
+Description: Linux kernel ipu6 modules for version 6.5.0-21
  This package provides the Linux kernel ipu6 modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-ipu6-generic-lpae* meta-packages,
@@ -729,18 +729,18 @@
  also installed.
 
 
-Package: linux-modules-ivsc-6.5.0-18-generic-lpae
+Package: linux-modules-ivsc-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic-lpae | linux-image-unsigned-6.5.0-18-generic-lpae,
+ linux-image-6.5.0-21-generic-lpae | linux-image-unsigned-6.5.0-21-generic-lpae,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel ivsc modules for version 6.5.0-18
+Description: Linux kernel ivsc modules for version 6.5.0-21
  This package provides the Linux kernel ivsc modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-ivsc-generic-lpae* meta-packages,
@@ -748,18 +748,18 @@
  also installed.
 
 
-Package: linux-modules-iwlwifi-6.5.0-18-generic-lpae
+Package: linux-modules-iwlwifi-6.5.0-21-generic-lpae
 Build-Profiles: <!stage1>
 Architecture: armhf
 Section: kernel
 Priority: optional
 Depends:
  ${misc:Depends},
- linux-image-6.5.0-18-generic-lpae | linux-image-unsigned-6.5.0-18-generic-lpae,
+ linux-image-6.5.0-21-generic-lpae | linux-image-unsigned-6.5.0-21-generic-lpae,
 Built-Using: ${linux:BuiltUsing}
-Description: Linux kernel iwlwifi modules for version 6.5.0-18
+Description: Linux kernel iwlwifi modules for version 6.5.0-21
  This package provides the Linux kernel iwlwifi modules for version
- 6.5.0-18.
+ 6.5.0-21.
  .
  You likely do not want to install this package directly. Instead, install the
  one of the linux-modules-iwlwifi-generic-lpae* meta-packages,
diff -u linux-hwe-6.5-6.5.0/fs/smb/client/smb2ops.c linux-hwe-6.5-6.5.0/fs/smb/client/smb2ops.c
--- linux-hwe-6.5-6.5.0/fs/smb/client/smb2ops.c
+++ linux-hwe-6.5-6.5.0/fs/smb/client/smb2ops.c
@@ -5045,6 +5045,7 @@
 	struct smb2_hdr *shdr;
 	unsigned int pdu_length = server->pdu_size;
 	unsigned int buf_size;
+	unsigned int next_cmd;
 	struct mid_q_entry *mid_entry;
 	int next_is_large;
 	char *next_buffer = NULL;
@@ -5073,14 +5074,15 @@
 	next_is_large = server->large_buf;
 one_more:
 	shdr = (struct smb2_hdr *)buf;
-	if (shdr->NextCommand) {
+	next_cmd = le32_to_cpu(shdr->NextCommand);
+	if (next_cmd) {
+		if (WARN_ON_ONCE(next_cmd > pdu_length))
+			return -1;
 		if (next_is_large)
 			next_buffer = (char *)cifs_buf_get();
 		else
 			next_buffer = (char *)cifs_small_buf_get();
-		memcpy(next_buffer,
-		       buf + le32_to_cpu(shdr->NextCommand),
-		       pdu_length - le32_to_cpu(shdr->NextCommand));
+		memcpy(next_buffer, buf + next_cmd, pdu_length - next_cmd);
 	}
 
 	mid_entry = smb2_find_mid(server, buf);
@@ -5104,8 +5106,8 @@
 	else
 		ret = cifs_handle_standard(server, mid_entry);
 
-	if (ret == 0 && shdr->NextCommand) {
-		pdu_length -= le32_to_cpu(shdr->NextCommand);
+	if (ret == 0 && next_cmd) {
+		pdu_length -= next_cmd;
 		server->large_buf = next_is_large;
 		if (next_is_large)
 			server->bigbuf = buf = next_buffer;
diff -u linux-hwe-6.5-6.5.0/include/linux/io_uring_types.h linux-hwe-6.5-6.5.0/include/linux/io_uring_types.h
--- linux-hwe-6.5-6.5.0/include/linux/io_uring_types.h
+++ linux-hwe-6.5-6.5.0/include/linux/io_uring_types.h
@@ -327,6 +327,9 @@
 
 	struct list_head	io_buffers_cache;
 
+	/* deferred free list, protected by ->uring_lock */
+	struct hlist_head	io_buf_list;
+
 	/* Keep this last, we don't need it for the fast path */
 	struct wait_queue_head		poll_wq;
 	struct io_restriction		restrictions;
diff -u linux-hwe-6.5-6.5.0/io_uring/io_uring.c linux-hwe-6.5-6.5.0/io_uring/io_uring.c
--- linux-hwe-6.5-6.5.0/io_uring/io_uring.c
+++ linux-hwe-6.5-6.5.0/io_uring/io_uring.c
@@ -323,6 +323,7 @@
 	INIT_LIST_HEAD(&ctx->sqd_list);
 	INIT_LIST_HEAD(&ctx->cq_overflow_list);
 	INIT_LIST_HEAD(&ctx->io_buffers_cache);
+	INIT_HLIST_HEAD(&ctx->io_buf_list);
 	io_alloc_cache_init(&ctx->rsrc_node_cache, IO_NODE_ALLOC_CACHE_MAX,
 			    sizeof(struct io_rsrc_node));
 	io_alloc_cache_init(&ctx->apoll_cache, IO_ALLOC_CACHE_MAX,
@@ -2659,7 +2660,7 @@
 	return READ_ONCE(rings->cq.head) == READ_ONCE(rings->cq.tail) ? ret : 0;
 }
 
-static void io_mem_free(void *ptr)
+void io_mem_free(void *ptr)
 {
 	if (!ptr)
 		return;
@@ -2768,7 +2769,7 @@
 	}
 }
 
-static void *io_mem_alloc(size_t size)
+void *io_mem_alloc(size_t size)
 {
 	gfp_t gfp = GFP_KERNEL_ACCOUNT | __GFP_ZERO | __GFP_NOWARN | __GFP_COMP;
 	void *ret;
@@ -2939,6 +2940,7 @@
 		ctx->mm_account = NULL;
 	}
 	io_rings_free(ctx);
+	io_kbuf_mmap_list_free(ctx);
 
 	percpu_ref_exit(&ctx->refs);
 	free_uid(ctx->user);
diff -u linux-hwe-6.5-6.5.0/io_uring/io_uring.h linux-hwe-6.5-6.5.0/io_uring/io_uring.h
--- linux-hwe-6.5-6.5.0/io_uring/io_uring.h
+++ linux-hwe-6.5-6.5.0/io_uring/io_uring.h
@@ -86,6 +86,9 @@
 bool io_match_task_safe(struct io_kiocb *head, struct task_struct *task,
 			bool cancel_all);
 
+void *io_mem_alloc(size_t size);
+void io_mem_free(void *ptr);
+
 #if defined(CONFIG_PROVE_LOCKING)
 static inline void io_lockdep_assert_cq_locked(struct io_ring_ctx *ctx)
 {
diff -u linux-hwe-6.5-6.5.0/io_uring/kbuf.c linux-hwe-6.5-6.5.0/io_uring/kbuf.c
--- linux-hwe-6.5-6.5.0/io_uring/kbuf.c
+++ linux-hwe-6.5-6.5.0/io_uring/kbuf.c
@@ -28,6 +28,11 @@
 	__u16				bid;
 };
 
+struct io_buf_free {
+	struct hlist_node		list;
+	void				*mem;
+};
+
 static inline struct io_buffer_list *io_buffer_get_list(struct io_ring_ctx *ctx,
 							unsigned int bgid)
 {
@@ -218,7 +223,10 @@
 	if (bl->is_mapped) {
 		i = bl->buf_ring->tail - bl->head;
 		if (bl->is_mmap) {
-			folio_put(virt_to_folio(bl->buf_ring));
+			/*
+			 * io_kbuf_list_free() will free the page(s) at
+			 * ->release() time.
+			 */
 			bl->buf_ring = NULL;
 			bl->is_mmap = 0;
 		} else if (bl->buf_nr_pages) {
@@ -523,18 +531,28 @@
 	return -EINVAL;
 }
 
-static int io_alloc_pbuf_ring(struct io_uring_buf_reg *reg,
+static int io_alloc_pbuf_ring(struct io_ring_ctx *ctx,
+			      struct io_uring_buf_reg *reg,
 			      struct io_buffer_list *bl)
 {
-	gfp_t gfp = GFP_KERNEL_ACCOUNT | __GFP_ZERO | __GFP_NOWARN | __GFP_COMP;
+	struct io_buf_free *ibf;
 	size_t ring_size;
 	void *ptr;
 
 	ring_size = reg->ring_entries * sizeof(struct io_uring_buf_ring);
-	ptr = (void *) __get_free_pages(gfp, get_order(ring_size));
+	ptr = io_mem_alloc(ring_size);
 	if (!ptr)
 		return -ENOMEM;
 
+	/* Allocate and store deferred free entry */
+	ibf = kmalloc(sizeof(*ibf), GFP_KERNEL_ACCOUNT);
+	if (!ibf) {
+		io_mem_free(ptr);
+		return -ENOMEM;
+	}
+	ibf->mem = ptr;
+	hlist_add_head(&ibf->list, &ctx->io_buf_list);
+
 	bl->buf_ring = ptr;
 	bl->is_mapped = 1;
 	bl->is_mmap = 1;
@@ -591,7 +609,7 @@
 	if (!(reg.flags & IOU_PBUF_RING_MMAP))
 		ret = io_pin_pbuf_ring(&reg, bl);
 	else
-		ret = io_alloc_pbuf_ring(&reg, bl);
+		ret = io_alloc_pbuf_ring(ctx, &reg, bl);
 
 	if (!ret) {
 		bl->nr_entries = reg.ring_entries;
@@ -643,0 +662,16 @@
+
+/*
+ * Called at or after ->release(), free the mmap'ed buffers that we used
+ * for memory mapped provided buffer rings.
+ */
+void io_kbuf_mmap_list_free(struct io_ring_ctx *ctx)
+{
+	struct io_buf_free *ibf;
+	struct hlist_node *tmp;
+
+	hlist_for_each_entry_safe(ibf, tmp, &ctx->io_buf_list, list) {
+		hlist_del(&ibf->list);
+		io_mem_free(ibf->mem);
+		kfree(ibf);
+	}
+}
diff -u linux-hwe-6.5-6.5.0/lib/idr.c linux-hwe-6.5-6.5.0/lib/idr.c
--- linux-hwe-6.5-6.5.0/lib/idr.c
+++ linux-hwe-6.5-6.5.0/lib/idr.c
@@ -508,7 +508,7 @@
 			goto delete;
 		xas_store(&xas, xa_mk_value(v));
 	} else {
-		if (!test_bit(bit, bitmap->bitmap))
+		if (!bitmap || !test_bit(bit, bitmap->bitmap))
 			goto err;
 		__clear_bit(bit, bitmap->bitmap);
 		xas_set_mark(&xas, XA_FREE_MARK);
diff -u linux-hwe-6.5-6.5.0/net/tls/tls_sw.c linux-hwe-6.5-6.5.0/net/tls/tls_sw.c
--- linux-hwe-6.5-6.5.0/net/tls/tls_sw.c
+++ linux-hwe-6.5-6.5.0/net/tls/tls_sw.c
@@ -952,6 +952,8 @@
 		}
 
 		sk_msg_page_add(msg_pl, page, part, off);
+		msg_pl->sg.copybreak = 0;
+		msg_pl->sg.curr = msg_pl->sg.end;
 		sk_mem_charge(sk, part);
 		*copied += part;
 		try_to_copy -= part;
only in patch2:
unchanged:
--- linux-hwe-6.5-6.5.0.orig/block/partitions/core.c
+++ linux-hwe-6.5-6.5.0/block/partitions/core.c
@@ -461,6 +461,11 @@
 		goto out;
 	}
 
+	if (disk->flags & GENHD_FL_NO_PART) {
+		ret = -EINVAL;
+		goto out;
+	}
+
 	if (partition_overlaps(disk, start, length, -1)) {
 		ret = -EBUSY;
 		goto out;
only in patch2:
unchanged:
--- linux-hwe-6.5-6.5.0.orig/drivers/gpu/drm/i915/display/intel_dmc.c
+++ linux-hwe-6.5-6.5.0/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -389,7 +389,7 @@
 	enum intel_dmc_id dmc_id;
 
 	/* TODO: check if the following applies to all D13+ platforms. */
-	if (!IS_DG2(i915) && !IS_TIGERLAKE(i915))
+	if (!IS_TIGERLAKE(i915))
 		return;
 
 	for_each_dmc_id(dmc_id) {
@@ -493,6 +493,45 @@
 		intel_de_rmw(i915, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0);
 }
 
+static bool is_dmc_evt_ctl_reg(struct drm_i915_private *i915,
+			       enum intel_dmc_id dmc_id, i915_reg_t reg)
+{
+	u32 offset = i915_mmio_reg_offset(reg);
+	u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, 0));
+	u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
+
+	return offset >= start && offset < end;
+}
+
+static bool disable_dmc_evt(struct drm_i915_private *i915,
+			    enum intel_dmc_id dmc_id,
+			    i915_reg_t reg, u32 data)
+{
+	if (!is_dmc_evt_ctl_reg(i915, dmc_id, reg))
+		return false;
+
+	/* keep all pipe DMC events disabled by default */
+	if (dmc_id != DMC_FW_MAIN)
+		return true;
+
+	return false;
+}
+
+static u32 dmc_mmiodata(struct drm_i915_private *i915,
+			struct intel_dmc *dmc,
+			enum intel_dmc_id dmc_id, int i)
+{
+	if (disable_dmc_evt(i915, dmc_id,
+			    dmc->dmc_info[dmc_id].mmioaddr[i],
+			    dmc->dmc_info[dmc_id].mmiodata[i]))
+		return REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
+				      DMC_EVT_CTL_TYPE_EDGE_0_1) |
+			REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK,
+				       DMC_EVT_CTL_EVENT_ID_FALSE);
+	else
+		return dmc->dmc_info[dmc_id].mmiodata[i];
+}
+
 /**
  * intel_dmc_load_program() - write the firmware from memory to register.
  * @i915: i915 drm device.
@@ -532,7 +571,7 @@
 	for_each_dmc_id(dmc_id) {
 		for (i = 0; i < dmc->dmc_info[dmc_id].mmio_count; i++) {
 			intel_de_write(i915, dmc->dmc_info[dmc_id].mmioaddr[i],
-				       dmc->dmc_info[dmc_id].mmiodata[i]);
+				       dmc_mmiodata(i915, dmc, dmc_id, i));
 		}
 	}
 
only in patch2:
unchanged:
--- linux-hwe-6.5-6.5.0.orig/io_uring/kbuf.h
+++ linux-hwe-6.5-6.5.0/io_uring/kbuf.h
@@ -51,6 +51,8 @@
 int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg);
 int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg);
 
+void io_kbuf_mmap_list_free(struct io_ring_ctx *ctx);
+
 unsigned int __io_put_kbuf(struct io_kiocb *req, unsigned issue_flags);
 
 void io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags);
only in patch2:
unchanged:
--- linux-hwe-6.5-6.5.0.orig/lib/test_ida.c
+++ linux-hwe-6.5-6.5.0/lib/test_ida.c
@@ -150,6 +150,45 @@
 	IDA_BUG_ON(ida, !ida_is_empty(ida));
 }
 
+/*
+ * Check various situations where we attempt to free an ID we don't own.
+ */
+static void ida_check_bad_free(struct ida *ida)
+{
+	unsigned long i;
+
+	printk("vvv Ignore \"not allocated\" warnings\n");
+	/* IDA is empty; all of these will fail */
+	ida_free(ida, 0);
+	for (i = 0; i < 31; i++)
+		ida_free(ida, 1 << i);
+
+	/* IDA contains a single value entry */
+	IDA_BUG_ON(ida, ida_alloc_min(ida, 3, GFP_KERNEL) != 3);
+	ida_free(ida, 0);
+	for (i = 0; i < 31; i++)
+		ida_free(ida, 1 << i);
+
+	/* IDA contains a single bitmap */
+	IDA_BUG_ON(ida, ida_alloc_min(ida, 1023, GFP_KERNEL) != 1023);
+	ida_free(ida, 0);
+	for (i = 0; i < 31; i++)
+		ida_free(ida, 1 << i);
+
+	/* IDA contains a tree */
+	IDA_BUG_ON(ida, ida_alloc_min(ida, (1 << 20) - 1, GFP_KERNEL) != (1 << 20) - 1);
+	ida_free(ida, 0);
+	for (i = 0; i < 31; i++)
+		ida_free(ida, 1 << i);
+	printk("^^^ \"not allocated\" warnings over\n");
+
+	ida_free(ida, 3);
+	ida_free(ida, 1023);
+	ida_free(ida, (1 << 20) - 1);
+
+	IDA_BUG_ON(ida, !ida_is_empty(ida));
+}
+
 static DEFINE_IDA(ida);
 
 static int ida_checks(void)
@@ -162,6 +201,7 @@
 	ida_check_leaf(&ida, 1024 * 64);
 	ida_check_max(&ida);
 	ida_check_conv(&ida);
+	ida_check_bad_free(&ida);
 
 	printk("IDA: %u of %u tests passed\n", tests_passed, tests_run);
 	return (tests_run != tests_passed) ? 0 : -EINVAL;
only in patch2:
unchanged:
--- linux-hwe-6.5-6.5.0.orig/net/appletalk/ddp.c
+++ linux-hwe-6.5-6.5.0/net/appletalk/ddp.c
@@ -1811,15 +1811,14 @@
 		break;
 	}
 	case TIOCINQ: {
-		/*
-		 * These two are safe on a single CPU system as only
-		 * user tasks fiddle here
-		 */
-		struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
+		struct sk_buff *skb;
 		long amount = 0;
 
+		spin_lock_irq(&sk->sk_receive_queue.lock);
+		skb = skb_peek(&sk->sk_receive_queue);
 		if (skb)
 			amount = skb->len - sizeof(struct ddpehdr);
+		spin_unlock_irq(&sk->sk_receive_queue.lock);
 		rc = put_user(amount, (int __user *)argp);
 		break;
 	}
only in patch2:
unchanged:
--- linux-hwe-6.5-6.5.0.orig/net/atm/ioctl.c
+++ linux-hwe-6.5-6.5.0/net/atm/ioctl.c
@@ -73,14 +73,17 @@
 	case SIOCINQ:
 	{
 		struct sk_buff *skb;
+		int amount;
 
 		if (sock->state != SS_CONNECTED) {
 			error = -EINVAL;
 			goto done;
 		}
+		spin_lock_irq(&sk->sk_receive_queue.lock);
 		skb = skb_peek(&sk->sk_receive_queue);
-		error = put_user(skb ? skb->len : 0,
-				 (int __user *)argp) ? -EFAULT : 0;
+		amount = skb ? skb->len : 0;
+		spin_unlock_irq(&sk->sk_receive_queue.lock);
+		error = put_user(amount, (int __user *)argp) ? -EFAULT : 0;
 		goto done;
 	}
 	case ATM_SETSC: