BUG: unable to handle page fault for address: crypto_aead_decrypt

[EvgeniiMekhanik]

tempesta login: [17163.018229] BUG: unable to handle page fault for address: ffff9f9ca67b1418
[17163.019445] #PF: supervisor read access in kernel mode
[17163.020314] #PF: error_code(0x0000) - not-present page
[17163.021183] PGD 3d0a01067 P4D 3d0a01067 PUD 120d87063 PMD 1242c3063 PTE 0
[17163.022267] Oops: 0000 [#1] SMP PTI
[17163.022891] CPU: 17 PID: 0 Comm: swapper/17 Tainted: G        W  OE     5.10.35+ #4
[17163.024089] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014
[17163.025373] RIP: 0010:crypto_aead_decrypt+0x1b/0x80
[17163.026184] Code: 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 41 56 41 55 41 54 49 89 fc 53 48 8b 5f 20 44 8b 6f 34 <4c> 8b 73 10 4c 89 f7 e8 49 e4 ff ff f6 03 01 75 37 8b 43 f8 41 39
[17163.029154] RSP: 0018:ffffbc62c04c0920 EFLAGS: 00010282
[17163.030028] RAX: ffff9f9ca67b1408 RBX: ffff9f9ca67b1408 RCX: 0000000000000000
[17163.031200] RDX: 0000000000002055 RSI: 0000000000000060 RDI: ffff9f9cbd171850
[17163.032358] RBP: ffffbc62c04c0940 R08: 0000000000000001 R09: 0000000000000000
[17163.033513] R10: ffffe7c004f00402 R11: 000000000000248c R12: ffff9f9cbd171850
[17163.034754] R13: 0000000000000266 R14: ffff9f9d30ab5c48 R15: ffff9f9cbd171908
[17163.035925] FS:  0000000000000000(0000) GS:ffff9f9fefa40000(0000) knlGS:0000000000000000
[17163.037233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[17163.038163] CR2: ffff9f9ca67b1418 CR3: 0000000126170002 CR4: 0000000000770ee0
[17163.039220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[17163.040277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[17163.041474] PKRU: 55555554
[17163.041976] Call Trace:
[17163.042432]  <IRQ>
[17163.042867]  simd_aead_decrypt+0xa8/0xc0 [crypto_simd]
[17163.043772]  crypto_aead_decrypt+0x46/0x80
[17163.044525]  ttls_decrypt+0x26e/0x770 [tempesta_tls]
[17163.045385]  ttls_recv+0xc0/0xbf0 [tempesta_tls]
[17163.046214]  ss_skb_process+0xf5/0x140 [tempesta_fw]
[17163.047039]  ? ttls_handle_alert+0x40/0x40 [tempesta_tls]
[17163.047949]  tfw_tls_connection_recv+0xd4/0x430 [tempesta_fw]
[17163.048917]  ss_tcp_process_data+0x20a/0x4b0 [tempesta_fw]
[17163.049832]  ss_tcp_data_ready+0x57/0x140 [tempesta_fw]
[17163.050697]  tcp_data_ready+0x2b/0xd0
[17163.051315]  tcp_data_queue+0x805/0xe50
[17163.051958]  tcp_rcv_established+0x254/0x910
[17163.052762]  tcp_v4_do_rcv+0x140/0x200
[17163.053473]  tcp_v4_rcv+0xcd0/0xe20
[17163.054097]  ? tdb_htrie_lookup+0x5a/0xb0 [tempesta_db]
[17163.054943]  ip_protocol_deliver_rcu+0x44/0x230
[17163.055694]  ip_local_deliver_finish+0x48/0x60
[17163.056427]  ip_local_deliver+0x70/0x110
[17163.057175]  ? ip_rcv_finish_core.constprop.0+0x172/0x470
[17163.058234]  ip_rcv_finish+0x87/0xa0
[17163.058900]  ip_rcv+0xce/0xe0
[17163.060402]  ? ip_rcv_finish_core.constprop.0+0x470/0x470

[EvgeniiMekhanik]

The problem was in memory corruption in hpack, which corrupt memory in random place.