The kernel crashes due to NULL pointer dereference in audit_filter_syscall()

Issue

• The kernel crash was triggered by a NULL pointer dereference in audit_filter_syscall().

[437523.537957] BUG: unable to handle kernel NULL pointer dereference at 000000000000003c
[437523.538000] PGD 21da16067 P4D 21da16067 PUD 40d3f7067 PMD 0 
[437523.538023] Oops: 0000 [#1] SMP NOPTI
[437523.538037] CPU: 15 PID: 650579 Comm: oracle Kdump: loaded Tainted: G           OE     --------r-  - 4.18.0-553.54.1.el8_10.x86_64 #1
[437523.538068] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
[437523.538092] RIP: 0010:audit_filter_syscall+0x82/0xf0
[437523.538115] Code: ff ff ff 49 89 ed 49 c1 ed 05 44 89 e8 4d 63 cd c1 e0 05 4d 8d 79 04 29 c1 41 d3 e2 45 89 d6 4c 39 e5 77 2a 49 83 fd 3f 77 24 <46> 85 74 bb 20 74 1d 48 8b 14 24 48 8b 7c 24 08 31 c9 48 8d 73 20
[437523.538157] RSP: 0018:ffffb7950653fea0 EFLAGS: 00010293
[437523.538174] RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000000000000003
[437523.538193] RDX: ffff89187f39fc40 RSI: ffff8913e363b000 RDI: ffff8914b068d000
[437523.538244] RBP: 0000000000000023 R08: ffffb79503233e38 R09: 0000000000000001
[437523.538264] R10: 0000000000000008 R11: 00000000000000ba R12: 00000000ffffffff
[437523.538283] R13: 0000000000000001 R14: 0000000000000008 R15: 0000000000000005
[437523.538302] FS:  00007f1fcce83740(0000) GS:ffff891a9fdc0000(0000) knlGS:0000000000000000
[437523.538324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[437523.538339] CR2: 000000000000003c CR3: 000000048a084000 CR4: 00000000003506e0
[437523.538379] Call Trace:
[437523.538455]  ? __die_body+0x1a/0x60
[437523.538474]  ? no_context+0x1ba/0x3f0
[437523.538492]  ? __bad_area_nosemaphore+0x157/0x180
[437523.538509]  ? do_page_fault+0x37/0x12d
[437523.538524]  ? page_fault+0x1e/0x30
[437523.538542]  ? audit_filter_syscall+0x82/0xf0
[437523.538561]  __audit_syscall_exit+0x86/0xf0
[437523.538577]  syscall_slow_exit_work+0x109/0x130
[437523.538596]  do_syscall_64+0x16d/0x1a0
[437523.538611]  entry_SYSCALL_64_after_hwframe+0x66/0xcb
[437523.538630] RIP: 0033:0x7f1fca5fcdf5
[437523.538645] Code: 64 89 02 b8 ff ff ff ff eb bc 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 8b 05 56 d6 20 00 85 c0 75 12 b8 23 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 43 c3 66 90 55 48 89 f5 53 48 89 fb 48 83 ec
[437523.538687] RSP: 002b:00007ffe5d7c07e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
[437523.538709] RAX: 0000000000000000 RBX: 00000000000f4240 RCX: 00007f1fca5fcdf5
[437523.538727] RDX: 0000000000000000 RSI: 00007ffe5d7c0800 RDI: 00007ffe5d7c07f0
[437523.538746] RBP: 00007ffe5d7c0840 R08: 00000000000f4240 R09: 0000000000000000
[437523.538765] R10: 0000000001c9c380 R11: 0000000000000246 R12: 00007ffe5d7c0a38
[437523.538784] R13: 00000000000003e8 R14: 0000000000000000 R15: 0000000000000000
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