Re: [PATCH 5.15 000/917] 5.15.3-rc1 review

[Naresh Kamboju]

On Tue, 16 Nov 2021 at 12:06, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
>
> On Tue, 16 Nov 2021 at 00:03, Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > This is the start of the stable review cycle for the 5.15.3 release.
> > There are 917 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Wed, 17 Nov 2021 16:52:23 +0000.
> > Anything received after that time might be too late.
> >
> > The whole patch series can be found in one patch at:
> >         https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.3-rc1.gz
> > or in the git tree and branch at:
> >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>
>

Regression found on arm64 juno-r2 / qemu.
Following kernel crash reported on stable-rc 5.15.

Anders bisected this kernel crash and found the first bad commit,

Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
   crypto: api - Fix built-in testing dependency failures


>
> metadata:
>   git branch: linux-5.15.y
>   git repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
>   git commit: ff5232812521d01d1ddfd8f36559a9cf83fea928
>   git describe: v5.15.2-918-gff5232812521
>   make_kernelversion: 5.15.3-rc1
>   kernel-config: https://builds.tuxbuild.com/20yUV5tYmCSzjklEffg3Dhkbdzi/config
>
> Kernel crash log:
> -----------------
> [    1.178361] kvm [1]: Hyp mode initialized successfully
> [    1.184780] Unable to handle kernel NULL pointer dereference at
> virtual address 000000000000019b
> [    1.193599] Mem abort info:
> [    1.196394]   ESR = 0x96000044
> [    1.199458]   EC = 0x25: DABT (current EL), IL = 32 bits
> [    1.204786]   SET = 0, FnV = 0
> [    1.207848]   EA = 0, S1PTW = 0
> [    1.210998]   FSC = 0x04: level 0 translation fault
> [    1.215889] Data abort info:
> [    1.218777]   ISV = 0, ISS = 0x00000044
> [    1.222623]   CM = 0, WnR = 1
> [    1.225605] [000000000000019b] user address but active_mm is swapper
> [    1.231979] Internal error: Oops: 96000044 [#1] PREEMPT SMP
> [    1.237559] Modules linked in:
> [    1.240617] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.15.3-rc1 #1
> [    1.246894] Hardware name: ARM Juno development board (r2) (DT)
> [    1.252820] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [    1.259793] pc : crypto_register_alg+0x88/0xe4
> [    1.264246] lr : crypto_register_alg+0x78/0xe4
> [    1.268694] sp : ffff800012b9bce0
> [    1.272008] x29: ffff800012b9bce0 x28: 0000000000000000 x27: ffff800012644c80
> [    1.279162] x26: ffff000820d95480 x25: ffff000820d96000 x24: ffff800012644d3a
> [    1.286313] x23: ffff800012644cba x22: 0000000000000000 x21: ffff800012742518
> [    1.293463] x20: 0000000000000000 x19: ffffffffffffffef x18: ffffffffffffffff
> [    1.300614] x17: 000000000000003f x16: 0000000000000010 x15: ffff000800844a1c
> [    1.307765] x14: 0000000000000001 x13: 293635326168732c x12: 2973656128636263
> [    1.314916] x11: 0000000000000010 x10: 0101010101010101 x9 : ffff80001054b5a8
> [    1.322066] x8 : 7f7f7f7f7f7f7f7f x7 : fefefefefeff6462 x6 : 0000808080808080
> [    1.329217] x5 : 0000000000000000 x4 : 8080808080800000 x3 : 0000000000000000
> [    1.336367] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff800012742518
> [    1.343517] Call trace:
> [    1.345962]  crypto_register_alg+0x88/0xe4
> [    1.350062]  crypto_register_skcipher+0x80/0x9c
> [    1.354600]  simd_skcipher_create_compat+0x19c/0x1d0
> [    1.359572]  cpu_feature_match_AES_init+0x9c/0xdc
> [    1.364284]  do_one_initcall+0x50/0x2b0
> [    1.368125]  kernel_init_freeable+0x250/0x2d8
> [    1.372488]  kernel_init+0x30/0x140
> [    1.375981]  ret_from_fork+0x10/0x20
> [    1.379562] Code: 2a0003f6 710002df aa1503e0 1a9fd7e1 (3906b261)
> [    1.385667] ---[ end trace a032e96fc9ec202d ]---
> [    1.390350] Kernel panic - not syncing: Attempted to kill init!
> exitcode=0x0000000b
> [    1.398018] SMP: stopping secondary CPUs
> [    1.401947] Kernel Offset: disabled
> [    1.405434] CPU features: 0x10001871,00000846
> [    1.409794] Memory Limit: none
> [    1.412849] ---[ end Kernel panic - not syncing: Attempted to kill
> init! exitcode=0x0000000b ]---
>
>
> Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
>
> build link:
> -----------
> https://builds.tuxbuild.com/20yUV5tYmCSzjklEffg3Dhkbdzi/build.log
>
> build config:
> -------------
> https://builds.tuxbuild.com/20yUV5tYmCSzjklEffg3Dhkbdzi/config

- Naresh