BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 1e6767067 P4D 1e6767067 PUD 1f3aef067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1395 Comm: syz.3.309 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:ffff8881f6f09d18 EFLAGS: 00010202
RAX: ffffffff8154d7aa RBX: 0000000000000101 RCX: ffff8881dbc3af40
RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffff8881c9c871c0
RBP: ffff8881f6f09ec8 R08: ffffffff8154d3ee R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffff9d30
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881c9c871c0
FS:  00007fdb044206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001dca9e000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:bpf_test_run+0x305/0x6c0 net/bpf/test_run.c:46
Code: 00 00 00 e8 5d c3 fa fd 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8 e7 ef fa fd 4c 8b 33 4c 89 f6 48 83 e6 04 31 ff <e8> 26 0e cb fd 49 83 e6 04 0f 85 50 02 00 00 48 89 df be 08 00 00
RSP: 0018:ffff8881ed6776a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8881ed677801 RBX: ffff8881dbc3af40 RCX: ffffffff83993133
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881ed6777d0 R08: dffffc0000000000 R09: ffffed103b7875e9
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffed01af
R13: fffffff4951262c9 R14: 0000000010004000 R15: 1ffff1103b7875e8
 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: 0033:0x7fdb0519eae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdb04420048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fdb0532cfa0 RCX: 00007fdb0519eae9
RDX: 0000000000000050 RSI: 0000000020000000 RDI: 000000000000000a
RBP: 00007fdb0521f746 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fdb0532cfa0 R15: 00007ffe5bafbbc8
Modules linked in:
CR2: 0000000000000000
---[ end trace e323e4c6351d1016 ]---
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff8881f6f09d18 EFLAGS: 00010202
RAX: ffffffff8154d7aa RBX: 0000000000000101 RCX: ffff8881dbc3af40
RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffff8881c9c871c0
RBP: ffff8881f6f09ec8 R08: ffffffff8154d3ee R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffff9d30
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881c9c871c0
FS:  00007fdb044206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001dca9e000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 e8                	add    %ch,%al
   4:	5d                   	pop    %rbp
   5:	c3                   	ret
   6:	fa                   	cli
   7:	fd                   	std
   8:	49 89 df             	mov    %rbx,%r15
   b:	49 c1 ef 03          	shr    $0x3,%r15
   f:	43 80 3c 37 00       	cmpb   $0x0,(%r15,%r14,1)
  14:	74 08                	je     0x1e
  16:	48 89 df             	mov    %rbx,%rdi
  19:	e8 e7 ef fa fd       	call   0xfdfaf005
  1e:	4c 8b 33             	mov    (%rbx),%r14
  21:	4c 89 f6             	mov    %r14,%rsi
  24:	48 83 e6 04          	and    $0x4,%rsi
  28:	31 ff                	xor    %edi,%edi
* 2a:	e8 26 0e cb fd       	call   0xfdcb0e55 <-- trapping instruction
  2f:	49 83 e6 04          	and    $0x4,%r14
  33:	0f 85 50 02 00 00    	jne    0x289
  39:	48 89 df             	mov    %rbx,%rdi
  3c:	be                   	.byte 0xbe
  3d:	08 00                	or     %al,(%rax)