Public bug reported:

SRU Justification

    Impact:
       The upstream process for stable tree updates is quite similar
       in scope to the Ubuntu SRU process, e.g., each patch has to
       demonstrably fix a bug, and each patch is vetted by upstream
       by originating either directly from a mainline/stable Linux tree or
       a minimally backported form of that patch. The 4.4.111 upstream stable
       patch set is now available. It should be included in the Ubuntu
       kernel as well.

       git://git.kernel.org/

    TEST CASE: TBD

       The following patches from the 4.4.111 stable release shall be applied:
* x86/kasan: Write protect kasan zero shadow
* kernel/acct.c: fix the acct->needcheck check in check_free_space()
* crypto: n2 - cure use after free
* crypto: chacha20poly1305 - validate the digest size
* crypto: pcrypt - fix freeing pcrypt instances
* sunxi-rsb: Include OF based modalias in device uevent
* fscache: Fix the default for fscache_maybe_release_page()
* kernel: make groups_sort calling a responsibility group_info allocators
* kernel/signal.c: protect the traced SIGNAL_UNKILLABLE tasks from SIGKILL
* kernel/signal.c: protect the SIGNAL_UNKILLABLE tasks from !sig_kernel_only() 
signals
* kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in 
complete_signal()
* ARC: uaccess: dont use "l" gcc inline asm constraint modifier
* Input: elantech - add new icbody type 15
* x86/microcode/AMD: Add support for fam17h microcode loading
* parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel
* x86/tlb: Drop the _GPL from the cpu_tlbstate export
* genksyms: Handle string literals with spaces in reference files
* module: keep percpu symbols in module's symtab
* module: Issue warnings when tainting kernel
* proc: much faster /proc/vmstat
* Map the vsyscall page with _PAGE_USER
* Fix build error in vma.c
* Linux 4.4.111

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: kernel-stable-tracking-bug

** Tags added: kernel-stable-tracking-bug

** Description changed:

+ SRU Justification
  
-     SRU Justification
+     Impact:
+        The upstream process for stable tree updates is quite similar
+        in scope to the Ubuntu SRU process, e.g., each patch has to
+        demonstrably fix a bug, and each patch is vetted by upstream
+        by originating either directly from a mainline/stable Linux tree or
+        a minimally backported form of that patch. The 4.4.111 upstream stable
+        patch set is now available. It should be included in the Ubuntu
+        kernel as well.
  
-     Impact:
-        The upstream process for stable tree updates is quite similar
-        in scope to the Ubuntu SRU process, e.g., each patch has to
-        demonstrably fix a bug, and each patch is vetted by upstream
-        by originating either directly from a mainline/stable Linux tree or
-        a minimally backported form of that patch. The 4.4.111 upstream stable
-        patch set is now available. It should be included in the Ubuntu
-        kernel as well.
+        git://git.kernel.org/
  
-        git://git.kernel.org/
+     TEST CASE: TBD
  
-     TEST CASE: TBD
- 
-        The following patches from the 4.4.111 stable release shall be
- applied:
+        The following patches from the 4.4.111 stable release shall be applied:
+ * x86/kasan: Write protect kasan zero shadow
+ * kernel/acct.c: fix the acct->needcheck check in check_free_space()
+ * crypto: n2 - cure use after free
+ * crypto: chacha20poly1305 - validate the digest size
+ * crypto: pcrypt - fix freeing pcrypt instances
+ * sunxi-rsb: Include OF based modalias in device uevent
+ * fscache: Fix the default for fscache_maybe_release_page()
+ * kernel: make groups_sort calling a responsibility group_info allocators
+ * kernel/signal.c: protect the traced SIGNAL_UNKILLABLE tasks from SIGKILL
+ * kernel/signal.c: protect the SIGNAL_UNKILLABLE tasks from 
!sig_kernel_only() signals
+ * kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in 
complete_signal()
+ * ARC: uaccess: dont use "l" gcc inline asm constraint modifier
+ * Input: elantech - add new icbody type 15
+ * x86/microcode/AMD: Add support for fam17h microcode loading
+ * parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel
+ * x86/tlb: Drop the _GPL from the cpu_tlbstate export
+ * genksyms: Handle string literals with spaces in reference files
+ * module: keep percpu symbols in module's symtab
+ * module: Issue warnings when tainting kernel
+ * proc: much faster /proc/vmstat
+ * Map the vsyscall page with _PAGE_USER
+ * Fix build error in vma.c
+ * Linux 4.4.111

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https://bugs.launchpad.net/bugs/1745263

Title:
  Xenial update to 4.4.111 stable release

Status in linux package in Ubuntu:
  New

Bug description:
  SRU Justification

      Impact:
         The upstream process for stable tree updates is quite similar
         in scope to the Ubuntu SRU process, e.g., each patch has to
         demonstrably fix a bug, and each patch is vetted by upstream
         by originating either directly from a mainline/stable Linux tree or
         a minimally backported form of that patch. The 4.4.111 upstream stable
         patch set is now available. It should be included in the Ubuntu
         kernel as well.

         git://git.kernel.org/

      TEST CASE: TBD

         The following patches from the 4.4.111 stable release shall be applied:
  * x86/kasan: Write protect kasan zero shadow
  * kernel/acct.c: fix the acct->needcheck check in check_free_space()
  * crypto: n2 - cure use after free
  * crypto: chacha20poly1305 - validate the digest size
  * crypto: pcrypt - fix freeing pcrypt instances
  * sunxi-rsb: Include OF based modalias in device uevent
  * fscache: Fix the default for fscache_maybe_release_page()
  * kernel: make groups_sort calling a responsibility group_info allocators
  * kernel/signal.c: protect the traced SIGNAL_UNKILLABLE tasks from SIGKILL
  * kernel/signal.c: protect the SIGNAL_UNKILLABLE tasks from 
!sig_kernel_only() signals
  * kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in 
complete_signal()
  * ARC: uaccess: dont use "l" gcc inline asm constraint modifier
  * Input: elantech - add new icbody type 15
  * x86/microcode/AMD: Add support for fam17h microcode loading
  * parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel
  * x86/tlb: Drop the _GPL from the cpu_tlbstate export
  * genksyms: Handle string literals with spaces in reference files
  * module: keep percpu symbols in module's symtab
  * module: Issue warnings when tainting kernel
  * proc: much faster /proc/vmstat
  * Map the vsyscall page with _PAGE_USER
  * Fix build error in vma.c
  * Linux 4.4.111

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