BUG: kernel NULL pointer dereference, address: 0000000000000021
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 8000000114241067 P4D 8000000114241067 PUD 0 
Oops: Oops: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:llc_sap_ev_rx_test_c+0xce/0x1b0
Code: 04 38 84 c0 0f 85 c1 00 00 00 41 0f b6 2e 89 ee 83 e6 01 31 ff e8 d2 03 4c f8 83 e5 01 75 59 48 83 c3 02 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 af 00 00 00 0f b6 1b 89 dd 83 e5 03 bf
RSP: 0018:ffffc900001e0b98 EFLAGS: 00010202
RAX: 0000000000000020 RBX: 0000000000000103 RCX: ffff888100688000
RDX: 0000000000000100 RSI: ffffffff8be28c20 RDI: ffff88810a4a5810
RBP: ffffc900001e0c90 R08: ffffffff8fa1d5f7 R09: 1ffffffff1f43abe
R10: dffffc0000000000 R11: ffffffff89742b70 R12: 1ffff9200003c178
R13: ffff88810a4a5810 R14: 0000000000000001 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881a3c26000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000021 CR3: 0000000047cee000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 </TASK>
Modules linked in:
CR2: 0000000000000021
---[ end trace 0000000000000000 ]---
RIP: 0010:llc_sap_ev_rx_test_c+0xce/0x1b0
Code: 04 38 84 c0 0f 85 c1 00 00 00 41 0f b6 2e 89 ee 83 e6 01 31 ff e8 d2 03 4c f8 83 e5 01 75 59 48 83 c3 02 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 af 00 00 00 0f b6 1b 89 dd 83 e5 03 bf
RSP: 0018:ffffc900001e0b98 EFLAGS: 00010202
RAX: 0000000000000020 RBX: 0000000000000103 RCX: ffff888100688000
RDX: 0000000000000100 RSI: ffffffff8be28c20 RDI: ffff88810a4a5810
RBP: ffffc900001e0c90 R08: ffffffff8fa1d5f7 R09: 1ffffffff1f43abe
R10: dffffc0000000000 R11: ffffffff89742b70 R12: 1ffff9200003c178
R13: ffff88810a4a5810 R14: 0000000000000001 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881a3c26000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000021 CR3: 0000000047cee000 CR4: 00000000000006f0
