Bug#1092806: linux-image-6.1.0-29-arm64: Oops: Unable to handle kernel paging request at virtual address ffff0000e1fb238c

[Salvatore Bonaccorso <carnil@debian.org>]

Hi,

On Sat, Jan 11, 2025 at 09:46:36PM +0100, Peter Gerber wrote:
> Package: src:linux
> Version: 6.1.123-1
> Severity: critical
> Justification: breaks the whole system
> X-Debbugs-Cc: peter@arbitrary.ch
> 
> Dear Maintainer,
> 
> Ever since updating to linux-image-6.1.0-29-arm64 I've been seeing this oops:
> 
> Jan 11 20:17:16 violet kernel: Unable to handle kernel paging request at virtual address ffff0000e1fb238c
> Jan 11 20:17:16 violet kernel: Mem abort info:
> Jan 11 20:17:16 violet kernel:   ESR = 0x0000000096000021
> Jan 11 20:17:16 violet kernel:   EC = 0x25: DABT (current EL), IL = 32 bits
> Jan 11 20:17:16 violet kernel:   SET = 0, FnV = 0
> Jan 11 20:17:16 violet kernel:   EA = 0, S1PTW = 0
> Jan 11 20:17:16 violet kernel:   FSC = 0x21: alignment fault
> Jan 11 20:17:16 violet kernel: Data abort info:
> Jan 11 20:17:16 violet kernel:   ISV = 0, ISS = 0x00000021
> Jan 11 20:17:16 violet kernel:   CM = 0, WnR = 0
> Jan 11 20:17:16 violet kernel: swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000be7fa000
> Jan 11 20:17:16 violet kernel: [ffff0000e1fb238c] pgd=1800000139ff8003, p4d=1800000139ff8003, pud=18000001399ff003, pmd=18000001398ef003, pte=0068000121fb2f07
> Jan 11 20:17:37 violet kernel: Internal error: Oops: 0000000096000021 [#1] SMP
> 
> So far, only one machine used as Wireguard-based VPN is affected. There is other, identical,
> machines not used as VPN which have as of yet been unaffected.

This has already been reported in #1092772. 

Merging the two reports.

Regards,
Salvatore