System crashed at `strlen` which was called from `mfe_aac_get_match_data`

Issue

• System crashed with RIP: 0010:strlen+0xc/0x20 .
• System was crashed with the below log:

...
[479425.192649] FileAccess module was removed successfully. Version is - 10.7.10.239
[1746066.332052] BUG: unable to handle kernel paging request at ffff9f6a4d256000
[1746066.332084] PGD 4ca03067 P4D 4ca03067 PUD 4d49b063 PMD 18224063 PTE 800000008d256063
[1746066.332122] Oops: 0000 [#1] SMP PTI
[1746066.332140] CPU: 3 PID: 697053 Comm: kworker/u256:0 Tainted: G           OE    --------- -  - 4.18.0-372.26.1.el8_6.x86_64 #1
[1746066.332170] Hardware name: VMware, Inc. VMware7,1/440BX Desktop Reference Platform, BIOS VMW71.00V.18227214.B64.2106252220 06/25/2021
[1746066.332200] RIP: 0010:strlen+0xc/0x20
[1746066.332234] Code: 75 f7 31 d2 44 0f b6 04 16 44 88 04 11 48 83 c2 01 45 84 c0 75 ee c3 0f 1f 80 00 00 00 00 80 3f 00 74 10 48 89 f8 48 83 c0 01 <80> 38 00 75 f7 48 29 f8 c3 31 c0 c3 0f 1f 84 00 00 00 00 00 48 89
[1746066.332302] RSP: 0018:ffffae2182c0b7f8 EFLAGS: 00010296
[1746066.332317] RAX: ffff9f6a4d256000 RBX: ffff9f6a4d24d140 RCX: 0000000000000000
[1746066.332335] RDX: 0000000000000001 RSI: ffffae2182c0b818 RDI: ffff9f6a4d24d140
[1746066.332354] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[1746066.332371] R10: ffff9f6ac0000200 R11: ffffed23868d3cc8 R12: ffff9f6a0d770c00
[1746066.332389] R13: 0000000000000001 R14: 0000000000000000 R15: ffff9f6a0d770c00
[1746066.332407] FS:  0000000000000000(0000) GS:ffff9f6bf42c0000(0000) knlGS:0000000000000000
[1746066.332428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1746066.332443] CR2: ffff9f6a4d256000 CR3: 000000004b010003 CR4: 00000000007706e0
[1746066.332482] PKRU: 55555554
[1746066.332490] Call Trace:
[1746066.332533]  mfe_aac_get_match_data+0x37f/0x7c0 [mfe_aac_100710239]
[1746066.332557]  mfe_aac_evaluate_match+0xce/0x3c0 [mfe_aac_100710239]
[1746066.333239]  ? select_idle_sibling+0x23/0x6f0
[1746066.333895]  ? deactivate_slab+0x5fa/0x650
[1746066.334525]  ? _cond_resched+0x15/0x30
[1746066.335141]  ? down_read+0xe/0xa0
[1746066.335803]  ? mfe_aac_get_pp_state+0xd5/0x110 [mfe_aac_100710239]
[1746066.336407]  ? mfe_aac_is_pp_state_available+0x23/0x30 [mfe_aac_100710239]
[1746066.337012]  ? mfe_aac_evaluate_rule_list+0x11c/0x2e0 [mfe_aac_100710239]
[1746066.337614]  mfe_aac_evaluate_match_object+0x74/0xf0 [mfe_aac_100710239]
[1746066.338205]  mfe_aac_evaluate_rule+0x93/0x120 [mfe_aac_100710239]
[1746066.338798]  mfe_aac_evaluate_rule_list+0xab/0x2e0 [mfe_aac_100710239]
[1746066.339391]  ? mfe_aac_evaluate_rule+0x120/0x120 [mfe_aac_100710239]
[1746066.339993]  mfe_aac_find_match+0xbf/0x450 [mfe_aac_100710239]
[1746066.340583]  ? mfe_aac_handle_auth_events+0xac/0x330 [mfe_aac_100710239]
[1746066.341174]  ? kmem_cache_alloc_trace+0x142/0x280
[1746066.341757]  mfe_aac_handle_auth_events+0xfa/0x330 [mfe_aac_100710239]
[1746066.342346]  mfe_aac_process_pre_events+0xf6/0x180 [mfe_aac_100710239]
[1746066.342948]  mfe_aac_fa_process_load_binary+0x84/0xb0 [mfe_aac_100710239]
[1746066.343531]  search_binary_handler+0x119/0x3a0
[1746066.344112]  do_execveat_common.isra.36+0x549/0x910
[1746066.344679]  do_execve+0x1f/0x30
[1746066.345248]  call_usermodehelper_exec_async+0xf0/0x150
[1746066.345813]  ? recalc_sigpending+0x17/0x50
[1746066.346360]  ? call_usermodehelper+0xa0/0xa0
[1746066.346884]  ret_from_fork+0x1f/0x40
[1746066.347411] Modules linked in: mfe_aac_100710239(OE) mptcp_diag xsk_diag vsock_diag raw_diag unix_diag af_packet_diag netlink_diag tcp_diag udp_diag inet_diag binfmt_misc vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vfat fat intel_rapl_msr intel_rapl_common isst_if_mbox_msr isst_if_common nfit libnvdimm crc32_pclmul rapl vmw_balloon joydev pcspkr vmw_vmci i2c_piix4 xfs libcrc32c ext4 mbcache jbd2 sr_mod cdrom ata_generic vmwgfx sd_mod t10_pi ttm sg drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ata_piix ahci libahci serio_raw libata vmxnet3 vmw_pvscsi dm_mirror dm_region_hash dm_log dm_mod crypto_user ansi_cprng cmac ccm xts ecdh_generic dh_generic des3_ede_x86_64 des_generic ghash_clmulni_intel crct10dif_pclmul crc32c_intel sha3_generic sha512_mb sha256_mb sha1_mb mcryptd fuse ipmi_devintf ipmi_msghandler [last unloaded: mfe_fileaccess_100710239]
[1746066.351934] CR2: ffff9f6a4d256000
[1746066.352583] ---[ end trace 12009d2c5c3dceca ]---
[1746066.353131] RIP: 0010:strlen+0xc/0x20
[1746066.353711] Code: 75 f7 31 d2 44 0f b6 04 16 44 88 04 11 48 83 c2 01 45 84 c0 75 ee c3 0f 1f 80 00 00 00 00 80 3f 00 74 10 48 89 f8 48 83 c0 01 <80> 38 00 75 f7 48 29 f8 c3 31 c0 c3 0f 1f 84 00 00 00 00 00 48 89
[1746066.354823] RSP: 0018:ffffae2182c0b7f8 EFLAGS: 00010296
[1746066.355382] RAX: ffff9f6a4d256000 RBX: ffff9f6a4d24d140 RCX: 0000000000000000
[1746066.355955] RDX: 0000000000000001 RSI: ffffae2182c0b818 RDI: ffff9f6a4d24d140
[1746066.356525] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[1746066.357090] R10: ffff9f6ac0000200 R11: ffffed23868d3cc8 R12: ffff9f6a0d770c00
[1746066.357657] R13: 0000000000000001 R14: 0000000000000000 R15: ffff9f6a0d770c00
[1746066.358216] FS:  0000000000000000(0000) GS:ffff9f6bf42c0000(0000) knlGS:0000000000000000
[1746066.358784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1746066.359349] CR2: ffff9f6a4d256000 CR3: 000000004b010003 CR4: 00000000007706e0
[1746066.359950] PKRU: 55555554
[1746066.360522] Kernel panic - not syncing: Fatal exception
[1746066.361168] Kernel Offset: 0x36a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[1746066.361793] ---[ end Kernel panic - not syncing: Fatal exception ]---