Greetings!!!
Observing Kernel Warnings while booting to OS at crypto/testmgr.c:5900.
Traces:
[ 0.682613] alg: akcipher: verify test failed. err -129
[ 0.682620] alg: akcipher: test 1 failed for ecdsa-nist-p521-generic, err=-129
[ 0.682626] alg: self-tests for ecdsa-nist-p521 using ecdsa-nist-p521-generic failed (rc=-129)
[ 0.682628] ------------[ cut here ]------------
[ 0.682634] alg: self-tests for ecdsa-nist-p521 using ecdsa-nist-p521-generic failed (rc=-129)
[ 0.682645] WARNING: CPU: 8 PID: 221 at crypto/testmgr.c:5900 alg_test.part.0+0xc88/0xe18
[ 0.682653] Modules linked in:
[ 0.682656] CPU: 8 PID: 221 Comm: cryptomgr_test Not tainted 6.10.0-rc3-next-20240611-auto #1
[ 0.682659] Hardware name: IBM,8375-42A POWER9 (raw) 0x4e0202 0xf000005 of:IBM,FW950.A0 (VL950_144) hv:phyp pSeries
[ 0.682660] NIP: c0000000007bf48c LR: c0000000007bf488 CTR: c00000000103ef20
[ 0.682662] REGS: c00000005dc3fb60 TRAP: 0700 Not tainted (6.10.0-rc3-next-20240611-auto)
[ 0.682664] MSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 28008241 XER: 00000005
[ 0.682672] CFAR: c00000000016361c IRQMASK: 0
GPR00: c0000000007bf488 c00000005dc3fe00 c000000001583800 0000000000000052
GPR04: 0000000000000000 c00000005dc3fc10 c00000005dc3fc08 0000000000000000
GPR08: c000000002797d38 0000000000000000 0000000000000001 0000000000000001
GPR12: c000000002a57e18 c00000000f7c6700 c0000000001a185c c00000000679a180
GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
GPR20: 0000000000000000 0000000000000000 000000000000007d 000000000000007d
GPR24: ffffffffffffff7f c00000000e29d040 0000000000001f40 0000000000000006
GPR28: 0000000000000400 ffffffffffffff7f c00000000e29d080 c00000000e29d000
[ 0.682700] NIP [c0000000007bf48c] alg_test.part.0+0xc88/0xe18
[ 0.682703] LR [c0000000007bf488] alg_test.part.0+0xc84/0xe18
[ 0.682707] Call Trace:
[ 0.682708] [c00000005dc3fe00] [c0000000007bf488] alg_test.part.0+0xc84/0xe18 (unreliable)
[ 0.682713] [c00000005dc3ff60] [c0000000007b7ac4] cryptomgr_test+0x34/0x64
[ 0.682717] [c00000005dc3ff90] [c0000000001a198c] kthread+0x138/0x140
[ 0.682721] [c00000005dc3ffe0] [c00000000000df98] start_kernel_thread+0x14/0x18
[ 0.682724] Code: 60000000 7f7adb78 4bfffe00 60000000 60000000 3c62ffe7 7fe5fb78 7fc4f378 7fa6eb78 3863fd20 4b9a4111 60000000 <0fe00000> 4bfff7ec 60000000 60000000
[ 0.682735] ---[ end trace 0000000000000000 ]---
This issue is being caused by the patch: 2fd2a82ccbfc106aec314db6c4bda5e24fd32a22.
After reverting the above patch, issue is not seen.
Regards,
Venkat.
On 6/12/24 02:46, Venkat Rao Bagalkote wrote:
> Greetings!!!
>
> Observing Kernel Warnings while booting to OS at crypto/testmgr.c:5900.
>
> Traces:
>
> [ 0.682613] alg: akcipher: verify test failed. err -129
> [ 0.682620] alg: akcipher: test 1 failed for ecdsa-nist-p521-generic,
> err=-129
> [ 0.682626] alg: self-tests for ecdsa-nist-p521 using
> ecdsa-nist-p521-generic failed (rc=-129)
> [ 0.682628] ------------[ cut here ]------------
> [ 0.682634] alg: self-tests for ecdsa-nist-p521 using
> ecdsa-nist-p521-generic failed (rc=-129)
> [ 0.682645] WARNING: CPU: 8 PID: 221 at crypto/testmgr.c:5900
> alg_test.part.0+0xc88/0xe18
> [ 0.682653] Modules linked in:
> [ 0.682656] CPU: 8 PID: 221 Comm: cryptomgr_test Not tainted
> 6.10.0-rc3-next-20240611-auto #1
> [ 0.682659] Hardware name: IBM,8375-42A POWER9 (raw) 0x4e0202
> 0xf000005 of:IBM,FW950.A0 (VL950_144) hv:phyp pSeries
> [ 0.682660] NIP: c0000000007bf48c LR: c0000000007bf488 CTR:
> c00000000103ef20
> [ 0.682662] REGS: c00000005dc3fb60 TRAP: 0700 Not tainted
> (6.10.0-rc3-next-20240611-auto)
> [ 0.682664] MSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE>
> CR: 28008241 XER: 00000005
> [ 0.682672] CFAR: c00000000016361c IRQMASK: 0
> GPR00: c0000000007bf488 c00000005dc3fe00
> c000000001583800 0000000000000052
> GPR04: 0000000000000000 c00000005dc3fc10
> c00000005dc3fc08 0000000000000000
> GPR08: c000000002797d38 0000000000000000
> 0000000000000001 0000000000000001
> GPR12: c000000002a57e18 c00000000f7c6700
> c0000000001a185c c00000000679a180
> GPR16: 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> GPR20: 0000000000000000 0000000000000000
> 000000000000007d 000000000000007d
> GPR24: ffffffffffffff7f c00000000e29d040
> 0000000000001f40 0000000000000006
> GPR28: 0000000000000400 ffffffffffffff7f
> c00000000e29d080 c00000000e29d000
> [ 0.682700] NIP [c0000000007bf48c] alg_test.part.0+0xc88/0xe18
> [ 0.682703] LR [c0000000007bf488] alg_test.part.0+0xc84/0xe18
> [ 0.682707] Call Trace:
> [ 0.682708] [c00000005dc3fe00] [c0000000007bf488]
> alg_test.part.0+0xc84/0xe18 (unreliable)
> [ 0.682713] [c00000005dc3ff60] [c0000000007b7ac4]
> cryptomgr_test+0x34/0x64
> [ 0.682717] [c00000005dc3ff90] [c0000000001a198c] kthread+0x138/0x140
> [ 0.682721] [c00000005dc3ffe0] [c00000000000df98]
> start_kernel_thread+0x14/0x18
> [ 0.682724] Code: 60000000 7f7adb78 4bfffe00 60000000 60000000
> 3c62ffe7 7fe5fb78 7fc4f378 7fa6eb78 3863fd20 4b9a4111 60000000
> <0fe00000> 4bfff7ec 60000000 60000000
> [ 0.682735] ---[ end trace 0000000000000000 ]---
>
> This issue is being caused by the patch:
> 2fd2a82ccbfc106aec314db6c4bda5e24fd32a22.
Thanks for the commit. I see the issue also on ppc64 but not on x86_64.
It's an off-by one issue in c6ab5c915da460c not clearing the most
significant digit when insufficient bytes are provided.
>
> After reverting the above patch, issue is not seen.
>
> Regards,
> Venkat.
>