linux-kernel - Re: [linux-next] [[5.19.0-rc4-next-20220627] WARNING during reboot to linux-next kernel

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Date:   Tue, 28 Jun 2022 20:12:18 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Ignat Korchagin <ignat@...udflare.com>
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-crypto@...r.kernel.org, kernel-team@...udflare.com,
        abdhalee@...ux.vnet.ibm.com, sachinp@...ux.vnet.com,
        mputtash@...ux.vnet.com,
        Tasmiya Nalatwad <tasmiya@...ux.vnet.ibm.com>
Subject: Re: [linux-next] [[5.19.0-rc4-next-20220627] WARNING during reboot
 to linux-next kernel

On Tue, Jun 28, 2022 at 02:33:55PM +0530, Tasmiya Nalatwad wrote:
> Greetings,
> 
> [linux-next] [[5.19.0-rc4-next-20220627] WARNING during reboot to linux-next
> kernel
> 
> --- Call Traces ---
> [    1.788574] ------------[ cut here ]------------
> [    1.788577] alg: self-tests for rsa-generic (rsa) failed (rc=-22)
> [    1.788586] WARNING: CPU: 9 PID: 218 at crypto/testmgr.c:5774
> alg_test+0x438/0x880
> [    1.788598] Modules linked in:
> [    1.788603] CPU: 9 PID: 218 Comm: cryptomgr_test Not tainted
> 5.19.0-rc4-next-20220627-autotest #1
> [    1.788609] NIP:  c00000000062e078 LR: c00000000062e074 CTR:
> c00000000075e020
> [    1.788614] REGS: c00000000e733980 TRAP: 0700   Not tainted
> (5.19.0-rc4-next-20220627-autotest)
> [    1.788620] MSR:  8000000000029033 <SF,EE,ME,IR,DR,RI,LE>  CR: 28008822
> XER: 20040005
> [    1.788632] CFAR: c00000000014f244 IRQMASK: 0
> [    1.788632] GPR00: c00000000062e074 c00000000e733c20 c000000002a12000
> 0000000000000035
> [    1.788632] GPR04: 00000000ffff7fff c00000000e7339e0 c00000000e7339d8
> 0000000000000000
> [    1.788632] GPR08: c000000002826b78 0000000000000000 c000000002566a50
> c0000000028e6bb8
> [    1.788632] GPR12: 0000000000008000 c00000000fff3280 c00000000018b6d8
> c00000000d640080
> [    1.788632] GPR16: 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [    1.788632] GPR20: 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [    1.788632] GPR24: c000000000da49e8 0000000000000000 c000000050630480
> 0000000000000400
> [    1.788632] GPR28: c000000050630400 000000000000000d c000000002cd33d8
> ffffffffffffffea
> [    1.788691] NIP [c00000000062e078] alg_test+0x438/0x880
> [    1.788696] LR [c00000000062e074] alg_test+0x434/0x880
> [    1.788701] Call Trace:
> [    1.788704] [c00000000e733c20] [c00000000062e074] alg_test+0x434/0x880
> (unreliable)
> [    1.788712] [c00000000e733d90] [c00000000062c040]
> cryptomgr_test+0x40/0x70
> [    1.788718] [c00000000e733dc0] [c00000000018b7f4] kthread+0x124/0x130
> [    1.788726] [c00000000e733e10] [c00000000000ce54]
> ret_from_kernel_thread+0x5c/0x64
> [    1.788733] Instruction dump:
> [    1.788736] 409e02e4 3d22002c 892913fd 2f890000 409e02d4 3c62fe63
> 7f45d378 7f84e378
> [    1.788746] 7fe6fb78 3863fa90 4bb2116d 60000000 <0fe00000> fa2100f8
> fa410100 fa610108
> [    1.788757] ---[ end trace 0000000000000000 ]---
> -- 

It's caused by:

commit f145d411a67efacc0731fc3f9c7b2d89fb62523a
Author: Ignat Korchagin <ignat@...udflare.com>
Date:   Fri Jun 17 09:42:10 2022 +0100

    crypto: rsa - implement Chinese Remainder Theorem for faster private key operations