RHEL9: Kernal panic at __slab_free from reconnect_dfs_server

Issue

• Kernel panic with logs:

[601225.199490] ------------[ cut here ]------------
[601225.199496] kernel BUG at mm/slub.c:435!
[601225.200077] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[601225.200081] CPU: 3 PID: 3762320 Comm: cifsd Kdump: loaded Tainted: G        W         -------  ---  5.14.0-503.19.1.el9_5.x86_64 #1
[601225.200085] Hardware name: VMware, Inc. VMware7,1/440BX Desktop Reference Platform, BIOS VMW71.00V.21100432.B64.2301110304 01/11/2023
[601225.200087] RIP: 0010:__slab_free+0x223/0x3c0
[601225.200096] Code: 5e 41 5f c3 cc cc cc cc 4c 89 de 4c 89 cf 44 89 44 24 08 4c 89 1c 24 e8 fb cf 8e 00 44 8b 44 24 08 4c 8b 1c 24 e9 5f fe ff ff <0f> 0b 41 f7 45 08 00 0d 21 00 0f 85 2d ff ff ff e9 1f ff ff ff 80
[601225.200098] RSP: 0018:ffffb26180dbfd08 EFLAGS: 00010246
[601225.200101] RAX: ffff8ea34728e510 RBX: ffff8ea34728e500 RCX: 0000000000800068
[601225.200102] RDX: 0000000000800068 RSI: 0000000000000000 RDI: ffff8ea340042400
[601225.200104] RBP: ffffe112041ca380 R08: 0000000000000001 R09: 0000000000000000
[601225.200105] R10: 6170732e31303000 R11: 70726f632e786563 R12: ffff8ea34728e500
[601225.200106] R13: ffff8ea340042400 R14: ffff8ea34728e500 R15: 0000000000800068
[601225.200108] FS:  0000000000000000(0000) GS:ffff8ea66fd80000(0000) knlGS:0000000000000000
[601225.200109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[601225.200111] CR2: 00007ffc25376080 CR3: 000000012a2ba001 CR4: 00000000007706f0
[601225.200137] PKRU: 55555554
[601225.200138] Call Trace:
[601225.200141]  <TASK>
[601225.200143]  ? show_trace_log_lvl+0x1c4/0x2df
[601225.200150]  ? show_trace_log_lvl+0x1c4/0x2df
[601225.200157]  ? __reconnect_target_unlocked+0x3e/0x160 [cifs]
[601225.200348]  ? __die_body.cold+0x8/0xd
[601225.200352]  ? die+0x2b/0x50
[601225.200356]  ? do_trap+0xce/0x120
[601225.200359]  ? __slab_free+0x223/0x3c0
[601225.200362]  ? do_error_trap+0x65/0x80
[601225.200364]  ? __slab_free+0x223/0x3c0
[601225.200366]  ? exc_invalid_op+0x4e/0x70
[601225.200371]  ? __slab_free+0x223/0x3c0
[601225.200373]  ? asm_exc_invalid_op+0x16/0x20
[601225.200379]  ? __slab_free+0x223/0x3c0
[601225.200382]  ? extract_hostname+0x5c/0xa0 [cifs]
[601225.200490]  ? extract_hostname+0x5c/0xa0 [cifs]
[601225.200605]  ? __kmalloc+0x4b/0x140
[601225.200610]  __reconnect_target_unlocked+0x3e/0x160 [cifs]
[601225.200731]  reconnect_dfs_server+0x145/0x430 [cifs]
[601225.200806]  cifs_handle_standard+0x1ad/0x1d0 [cifs]
[601225.200903]  cifs_demultiplex_thread+0x592/0x730 [cifs]
[601225.200992]  ? __pfx_cifs_demultiplex_thread+0x10/0x10 [cifs]
[601225.201069]  kthread+0xdd/0x100
[601225.201074]  ? __pfx_kthread+0x10/0x10
[601225.201077]  ret_from_fork+0x29/0x50
[601225.201081]  </TASK>
[601225.201082] Modules linked in: tls nls_utf8 cifs cifs_arc4 rdma_cm iw_cm ib_cm ib_core cifs_md4 dns_resolver nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set rfkill nf_tables nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vfat fat intel_rapl_msr intel_rapl_common intel_uncore_frequency_common isst_if_mbox_msr isst_if_common vmw_balloon nfit libnvdimm vmw_vmci rapl pcspkr i2c_piix4 joydev xfs libcrc32c vmwgfx sr_mod cdrom drm_ttm_helper ttm drm_kms_helper sd_mod crct10dif_pclmul t10_pi crc32_pclmul ahci crc32c_intel ata_generic drm sg libahci ata_piix ghash_clmulni_intel libata vmxnet3 vmw_pvscsi serio_raw dm_mirror dm_region_hash dm_log dm_mod fuse