BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 1d2ea2067 P4D 1d2ea2067 PUD 1e94bb067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1607 Comm: syz-executor.3 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff8881f6e09d18 EFLAGS: 00010202
RAX: ffffffff8154d7aa RBX: 0000000000000101 RCX: ffff8881e5fb6e40
RDX: 0000000000000101 RSI: 0000000000000000 RDI: ffff8881ec3a71c0
RBP: ffff8881f6e09ec8 R08: ffffffff8154d3ee R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffff9ae0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881ec3a71c0
FS:  00007ff2140ec6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001d393d000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x35/0x50 kernel/kcov.c:193
Code: 7e 65 8b 15 59 51 9e 7e f7 c2 00 01 1f 00 74 01 c3 8b 91 00 0a 00 00 83 fa 02 75 f4 48 8b 91 08 0a 00 00 48 8b 32 48 8d 7e 01 <8b> 89 04 0a 00 00 48 39 cf 73 db 48 89 44 f2 08 48 89 3a c3 0f 1f
RSP: 0018:ffff8881e2277598 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffffffff82316caf RBX: 0000000000000000 RCX: ffff8881e5fb6e40
RDX: ffffc90001146000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8881e2277648 R08: ffffffff82316ca1 R09: ffff8881e2277688
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff84fa4620
R13: 1ffff1103c44eeb8 R14: 0000000000000001 R15: ffffffff84fa4660
 check_preemption_disabled+0x9f/0x320 lib/smp_processor_id.c:16
 ____bpf_get_smp_processor_id kernel/bpf/helpers.c:123 [inline]
 bpf_get_smp_processor_id+0xa/0x10 kernel/bpf/helpers.c:121
 bpf_prog_12a2f3889f7a4f34+0xc8b/0x1000
 bpf_call_func include/linux/filter.h:627 [inline]
 bpf_test_run+0x2ae/0x6c0 net/bpf/test_run.c:44
 bpf_prog_test_run_skb+0x73c/0xf00 net/bpf/test_run.c:311
 bpf_prog_test_run kernel/bpf/syscall.c:2124 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:2909 [inline]
 __se_sys_bpf+0x2e37/0xbcb0 kernel/bpf/syscall.c:2849
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7ff214d71ea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff2140ec0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ff214ea8f80 RCX: 00007ff214d71ea9
RDX: 0000000000000050 RSI: 0000000020000000 RDI: 000000000000000a
RBP: 00007ff214de0ff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff214ea8f80 R15: 00007ffced559ae8
Modules linked in:
CR2: 0000000000000000
---[ end trace 88f1fbebb3d1d322 ]---
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff8881f6e09d18 EFLAGS: 00010202
RAX: ffffffff8154d7aa RBX: 0000000000000101 RCX: ffff8881e5fb6e40
RDX: 0000000000000101 RSI: 0000000000000000 RDI: ffff8881ec3a71c0
RBP: ffff8881f6e09ec8 R08: ffffffff8154d3ee R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffff9ae0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881ec3a71c0
FS:  00007ff2140ec6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001d393d000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	7e 65                	jle    0x67
   2:	8b 15 59 51 9e 7e    	mov    0x7e9e5159(%rip),%edx        # 0x7e9e5161
   8:	f7 c2 00 01 1f 00    	test   $0x1f0100,%edx
   e:	74 01                	je     0x11
  10:	c3                   	ret
  11:	8b 91 00 0a 00 00    	mov    0xa00(%rcx),%edx
  17:	83 fa 02             	cmp    $0x2,%edx
  1a:	75 f4                	jne    0x10
  1c:	48 8b 91 08 0a 00 00 	mov    0xa08(%rcx),%rdx
  23:	48 8b 32             	mov    (%rdx),%rsi
  26:	48 8d 7e 01          	lea    0x1(%rsi),%rdi
* 2a:	8b 89 04 0a 00 00    	mov    0xa04(%rcx),%ecx <-- trapping instruction
  30:	48 39 cf             	cmp    %rcx,%rdi
  33:	73 db                	jae    0x10
  35:	48 89 44 f2 08       	mov    %rax,0x8(%rdx,%rsi,8)
  3a:	48 89 3a             	mov    %rdi,(%rdx)
  3d:	c3                   	ret
  3e:	0f                   	.byte 0xf
  3f:	1f                   	(bad)