RHEL8/9: kernel panic with "kernel BUG at lib/assoc_array.c:652!"

Issue

• Kernel panic with log:

[13178.021358] ------------[ cut here ]------------
[13178.022538] kernel BUG at lib/assoc_array.c:652!
[13178.023704] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[13178.024827] CPU: 26 PID: 13 Comm: kworker/u64:1 Kdump: loaded Tainted: G          I      --------  ---  5.14.0-284.25.1.el9_2.x86_64 #1
[13178.025992] Hardware name: Dell Inc. PowerEdge MX740c/00Y7XY, BIOS 2.18.1 03/06/2023
[13178.027164] Workqueue: cifs-dfscache refresh_cache_worker [cifs]
[13178.028474] RIP: 0010:assoc_array_insert_into_terminal_node.isra.0+0x459/0x740
[13178.029684] Code: 38 48 83 c4 60 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 4c 8b 2c 24 48 63 c5 83 c5 01 49 8d 44 c5 10 e9 0d ff ff ff 0f 0b <0f> 0b 4c 89 5c 24 30 49 8d 4a 10 49 8d 82 90 00 00 00 be ff ff ff
[13178.030952] RSP: 0018:ffffc366006ef6d8 EFLAGS: 00010282
[13178.032251] RAX: 000000000000000f RBX: 000000000000000f RCX: 0000000000000000
[13178.033560] RDX: 0000000000000011 RSI: 000000000000000e RDI: 000000000000000f
[13178.034860] RBP: 0000000000000006 R08: 00000000000000c0 R09: 0000000000000000
[13178.036116] R10: ffffa05b49309080 R11: ffffa074652bf600 R12: 00000000ffffffff
[13178.037286] R13: ffffa055c6004540 R14: 0000000000000001 R15: 0000000000000090
[13178.038388] FS:  0000000000000000(0000) GS:ffffa065a1140000(0000) knlGS:0000000000000000
[13178.039544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[13178.040766] CR2: 00007faf472bf528 CR3: 000000102091e003 CR4: 00000000007706e0
[13178.041996] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[13178.043278] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[13178.044579] PKRU: 55555554
[13178.045902] Call Trace:
[13178.047172]  <TASK>
[13178.048477]  ? kmem_cache_alloc_trace+0x174/0x2f0
[13178.049746]  ? assoc_array_walk+0x2d/0x170
[13178.050995]  assoc_array_insert+0xeb/0x170
[13178.052212]  ? key_alloc+0x31c/0x590
[13178.053461]  __key_link_begin+0x47/0xa0
[13178.054691]  construct_alloc_key+0xdc/0x290
[13178.055940]  request_key_and_link+0x1f3/0x2f0
[13178.057167]  ? dns_resolver_read+0x20/0x20 [dns_resolver]
[13178.058414]  ? key_default_cmp+0x20/0x20
[13178.059633]  request_key_tag+0x44/0xa0
[13178.060835]  dns_query+0x12d/0x22e [dns_resolver]
[13178.062073]  dns_resolve_server_name_to_ip+0xb3/0x310 [cifs]
[13178.063387]  ? scnprintf+0x52/0x90
[13178.064543]  target_share_equal+0x117/0x240 [cifs]
[13178.065825]  __refresh_tcon.isra.0+0x381/0x650 [cifs]
[13178.067058]  refresh_mounts+0x194/0x2a0 [cifs]
[13178.068366]  refresh_cache_worker+0x14a/0x2e0 [cifs]
[13178.069681]  process_one_work+0x1e2/0x3b0
[13178.070935]  ? rescuer_thread+0x390/0x390
[13178.072147]  worker_thread+0x50/0x3a0
[13178.073345]  ? rescuer_thread+0x390/0x390
[13178.074497]  kthread+0xd6/0x100
[13178.075712]  ? kthread_complete_and_exit+0x20/0x20
[13178.076919]  ret_from_fork+0x1f/0x30
[13178.078154]  </TASK>
[13178.079419] Modules linked in: nfsv3 nfs_acl nfs_layout_nfsv41_files rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache netfs nls_utf8 cifs cifs_arc4 rdma_cm iw_cm ib_cm ib_core cifs_md4 dns_resolver tls veth vxlan ip6_udp_tunnel udp_tunnel nf_conntrack_netlink xt_addrtype xt_statistic xt_nat ipt_REJECT nf_reject_ipv4 ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs xt_MASQUERADE nft_chain_nat nf_nat xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_comment nft_counter xt_mark nft_compat nf_tables nfnetlink sunrpc team_mode_activebackup team rfkill binfmt_misc ext4 mbcache jbd2 ipmi_ssif intel_rapl_msr intel_rapl_common isst_if_common skx_edac nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass rapl mgag200 iTCO_wdt intel_cstate iTCO_vendor_support dcdbas i2c_algo_bit dell_smbios drm_shmem_helper acpi_ipmi intel_uncore drm_kms_helper ipmi_si dell_wmi_descriptor wmi_bmof mei_me pcspkr syscopyarea sysfillrect ipmi_devintf sysimgblt mei i2c_i801
[13178.079493]  fb_sys_fops lpc_ich i2c_smbus intel_pch_thermal ipmi_msghandler acpi_power_meter drm xfs libcrc32c sd_mod t10_pi sg qedf qede libfcoe ahci libahci qed crct10dif_pclmul crc32_pclmul libfc crc32c_intel libata megaraid_sas ghash_clmulni_intel scsi_transport_fc crc8 wmi dm_mirror dm_region_hash dm_log dm_mod fuse br_netfilter bridge stp llc overlay