Kernel panic due to a NULL pointer dereference in kfence_guarded_alloc(), caused by the [secfs2] module

Issue

• Kernel panic occurred at kfence_guarded_alloc() function due to 3rd party module [secfs2]
• Kernel panics with following messages:

[244034.051142] BUG: kernel NULL pointer dereference, address: 000000000000002a <======
[244034.051149] #PF: supervisor read access in kernel mode
[244034.051150] #PF: error_code(0x0000) - not-present page
[244034.051152] PGD 15721e067 P4D 15721e067 PUD 15721f067 PMD 0 
[244034.051156] Oops: 0000 [#1] PREEMPT SMP NOPTI                  <<=========
[244034.051158] CPU: 4 PID: 2957 Comm: ncpa Kdump: loaded Tainted: P           OE     -------  ---  5.14.0-503.35.1.el9_5.x86_64 #1
[244034.051161] Hardware name: Nutanix AHV, BIOS 0.0.0 02/06/2015
[244034.051162] RIP: 0010:kfence_guarded_alloc+0x26a/0x400
[..]
[244034.051186] Call Trace:
[244034.051187]  <TASK>
[244034.051190]  ? show_trace_log_lvl+0x1c4/0x2df
[244034.051198]  ? show_trace_log_lvl+0x1c4/0x2df
[244034.051206]  ? __kfence_alloc+0x160/0x180
[244034.051211]  ? __die_body.cold+0x8/0xd
[244034.051214]  ? page_fault_oops+0x134/0x170
[244034.051222]  ? exc_page_fault+0x62/0x150
[244034.051229]  ? asm_exc_page_fault+0x22/0x30
[244034.051242]  ? kfence_guarded_alloc+0x26a/0x400
[244034.051248]  ? check_access+0x506/0x1ca0 [secfs2]
[244034.051371]  __kfence_alloc+0x160/0x180
[244034.051372]  ? __kfence_alloc+0x92/0x180
[244034.051373]  ? kmem_cache_alloc+0x298/0x340
[244034.051376]  ? check_access+0x506/0x1ca0 [secfs2]
[244034.051457]  ? vmfs_acc_op+0x1a1/0x2b0 [secfs2]
[244034.051536]  ? vmfs_acc_inode+0x18/0x30 [secfs2]
[244034.051613]  ? op_getattr+0x37c/0x8b0 [secfs2]
[244034.051659]  ? vfs_statx+0xb9/0x170
[244034.051661]  ? vfs_fstatat+0x54/0x70
[244034.051663]  ? __do_sys_newstat+0x30/0x70
[244034.051664]  ? do_syscall_64+0x5c/0xf0
[244034.051666]  ? entry_SYSCALL_64_after_hwframe+0x78/0x80
[244034.051668]  ? __kmem_cache_alloc_node+0x18f/0x2e0
[244034.051671]  ? lsys_malloc+0x1f/0x70 [secfs2]
[244034.051751]  ? __kmem_cache_alloc_node+0x18f/0x2e0
[244034.051753]  ? free_unref_page_commit+0x80/0x310
[244034.051761]  ? _raw_spin_unlock+0xa/0x30
[244034.051765]  ? free_unref_page+0xf2/0x130
[244034.051770]  ? sf_dentry_path+0x1a9/0x1c0 [secfs2]
[244034.051816]  ? __kmem_cache_alloc_node+0x18f/0x2e0
[244034.051818]  ? lsys_malloc+0x1f/0x70 [secfs2]
[244034.051881]  ? dput+0x2b/0x1a0
[244034.051886]  kmem_cache_alloc+0x298/0x340
[244034.051891]  check_access+0x506/0x1ca0 [secfs2]
[244034.051971]  ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[244034.051979]  vmfs_acc_op+0x1a1/0x2b0 [secfs2]
[244034.052062]  vmfs_acc_inode+0x18/0x30 [secfs2]
[244034.052143]  op_getattr+0x37c/0x8b0 [secfs2]
[244034.052191]  ? bpf_prog_b2c2c9127e5ee4e2_cf_security_inode_getattr_fentry_1316+0xd8/0xdd
[244034.052204]  vfs_statx+0xb9/0x170
[244034.052209]  vfs_fstatat+0x54/0x70
[244034.052212]  __do_sys_newstat+0x30/0x70
[244034.052220]  do_syscall_64+0x5c/0xf0
[244034.052222]  ? cp_new_stat+0x150/0x180
[244034.052230]  ? __do_sys_newstat+0x3f/0x70
[244034.052237]  ? syscall_exit_work+0x103/0x130
[244034.052241]  ? syscall_exit_to_user_mode+0x19/0x40
[244034.052243]  ? do_syscall_64+0x6b/0xf0
[..]
[244034.052248]  ? clear_bhb_loop+0x25/0x80
[..]
[244034.052259]  entry_SYSCALL_64_after_hwframe+0x78/0x80
[244034.052261] RIP: 0033:0x7ff82b50ed8a