Re: [PATCH 5.4.y] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die

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[ Sasha's backport helper bot ]

Hi,

The upstream commit SHA1 provided is correct: a3616a3c02722d1edb95acc7fceade242f6553ba

WARNING: Author mismatch between patch and upstream commit:
Backport author: Finn Thain<fthain@xxxxxxxxxxxxxx>
Commit author: Eric W. Biederman<ebiederm@xxxxxxxxxxxx>


Status in newer kernel trees:
6.12.y | Present (exact SHA1)
6.6.y | Present (exact SHA1)
6.1.y | Present (exact SHA1)
5.15.y | Present (exact SHA1)
5.10.y | Not found
5.4.y | Not found

Note: The patch differs from the upstream commit:
---
1:  a3616a3c02722 ! 1:  bf9f85b11138f signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die
    @@ Metadata
      ## Commit message ##
         signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die
     
    +    [ Upstream commit a3616a3c02722d1edb95acc7fceade242f6553ba ]
    +
         In the fpsp040 code when copyin or copyout fails call
         force_sigsegv(SIGSEGV) instead of do_exit(SIGSEGV).
     
    @@ Commit message
         Link: https://lkml.kernel.org/r/87tukghjfs.fsf_-_@disp2133
         Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
         Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
    +    Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxx>
     
      ## arch/m68k/fpsp040/skeleton.S ##
     @@ arch/m68k/fpsp040/skeleton.S: in_ea:
    - 	.section .fixup,#alloc,#execinstr
    + 	.section .fixup,"ax"
      	.even
      1:
     -	jbra	fpsp040_die
     +	jbsr	fpsp040_die
     +	jbra	.Lnotkern
      
    - 	.section __ex_table,#alloc
    + 	.section __ex_table,"a"
      	.align	4
     
      ## arch/m68k/kernel/traps.c ##
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-5.4.y        |  Success    |  Success   |




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