[6.0.0] RIP: 0010:clmul_polyval_update+0x3e9/0x5d0 [polyval_clmulni]

[Bruno Goncalves]

Hello,

recently we are hitting the following issue when booting using kernel
with debug options enabled:

[  126.821761] CPU: 1 PID: 296 Comm: cryptomgr_test Not tainted 6.0.0 #1
[  126.824021] Hardware name: Red Hat KVM, BIOS 1.15.0-1.el9 04/01/2014
[  126.825721] RIP: 0010:clmul_polyval_update+0x3e9/0x5d0 [polyval_clmulni]
[  126.827045] Code: df 11 c4 41 31 ef fb 48 83 c2 08 0f 84 eb 01 00
00 48 89 d0 48 c1 e0 04 48 81 c7 80 00 00 00 48 29 c7 0f 10 06 66 41
0f ef c7 <0f> 28 0f c4 63 71 44 f0 01 c4 e3 71 44 d0 10 c4 63 71 44 e0
00 c4
[  126.831535] RSP: 0018:ffff88810ed779d8 EFLAGS: 00010282
[  126.832957] RAX: 0000000000000030 RBX: 0000000000000030 RCX: ffff88810ede19e8
[  126.834907] RDX: 0000000000000003 RSI: ffff8881094b8000 RDI: ffff88811483c408
[  126.836554] RBP: ffff8881094b8000 R08: ffffffffc0300835 R09: ffff88810ede19e8
[  126.838529] R10: ffffed1021dbc33f R11: 0000000000000000 R12: 0000000000000030
[  126.840526] R13: 0000000000000003 R14: ffff88810ede19e8 R15: ffff88810ede19e0
[  126.842702] FS:  0000000000000000(0000) GS:ffff888193d00000(0000)
knlGS:0000000000000000
[  126.844574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  126.846796] CR2: 0000564f48e04178 CR3: 000000010be88002 CR4: 0000000000370ee0
[  126.848934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  126.850913] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  126.852879] Call Trace:
[  126.853703]  <TASK>
[  126.854436]  polyval_x86_update+0x102/0x1e0 [polyval_clmulni]
[  126.856092]  test_shash_vec_cfg+0x523/0x9d0
[  126.857360]  ? alg_test_aead+0x170/0x170
[  126.858682]  ? pointer+0x6a0/0x6a0
[  126.859752]  ? ___slab_alloc+0x910/0xf70
[  126.860950]  ? __alg_test_hash.constprop.0+0x200/0x430
[  126.862140]  ? __kmalloc+0x64/0x380
[  126.863233]  ? sprintf+0xb3/0xe0
[  126.864159]  ? rcu_read_lock_sched_held+0x3f/0x80
[  126.865560]  ? trace_kmalloc+0x33/0xf0
[  126.866716]  __alg_test_hash.constprop.0+0x2e7/0x430
[  126.867995]  ? test_ahash_vec_cfg+0xca0/0xca0
[  126.869389]  ? lockdep_hardirqs_on_prepare+0x230/0x230
[  126.870906]  ? lockdep_hardirqs_on+0x7d/0x100
[  126.872221]  ? alg_test_hash+0x8e/0x130
[  126.873398]  alg_test+0x60d/0x7d0
[  126.874463]  ? alloc_cipher_test_sglists+0xb0/0xb0
[  126.875867]  ? lock_release+0x233/0x470
[  126.876726]  ? __kthread_parkme+0x65/0xf0
[  126.877654]  ? reacquire_held_locks+0x270/0x270
[  126.878984]  ? mark_held_locks+0x24/0x90
[  126.879985]  ? preempt_count_sub+0xb7/0x100
[  126.881260]  ? crypto_acomp_scomp_free_ctx+0x70/0x70
[  126.882649]  cryptomgr_test+0x36/0x60
[  126.883786]  kthread+0x17e/0x1b0
[  126.884564]  ? kthread_complete_and_exit+0x20/0x20
[  126.885975]  ret_from_fork+0x22/0x30
[  126.887086]  </TASK>
[  126.887858] Modules linked in: polyval_clmulni(+) polyval_generic
virtio_blk(+) ghash_clmulni_intel floppy virtio_console serio_raw
ata_generic pata_acpi qemu_fw_cfg


full console log:
https://s3.us-east-1.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/10/02/redhat:656405029/build_x86_64_redhat:656405029_x86_64_debug/tests/4/results_0001/console.log/console.log

test logs: https://datawarehouse.cki-project.org/kcidb/tests/5344697
cki issue tracker: https://datawarehouse.cki-project.org/issue/1626

kernel config: https://s3.amazonaws.com/arr-cki-prod-trusted-artifacts/trusted-artifacts/656405029/build%20x86_64%20debug/3116060967/artifacts/kernel-mainline.kernel.org-redhat_656405029_x86_64_debug.config
kernel tarball:
https://s3.amazonaws.com/arr-cki-prod-trusted-artifacts/trusted-artifacts/656405029/publish%20x86_64%20debug/3116060972/artifacts/kernel-mainline.kernel.org-redhat_656405029_x86_64_debug.tar.gz

We didn't bisect, but the first commit we tested that we hit the
problem is https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=46452d3786a82bd732ba73fb308ae5cbe4e1e591

The last commit we tested and didn't hit the problem is
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a1375562c0a87f0fa2eaf3e8ce15824696d4170a

Thanks,
Bruno Goncalves