Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 14166 Comm: syz.0.2586 Not tainted 6.11.0-rc1-syzkaller-00063-g21b136cc63d2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__cpu_map_flush+0x48/0x110 kernel/bpf/cpumap.c:766
Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 d1 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 26 49 8d 6c 24 c0 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 a1 00 00 00 49 8b 04 24 4d 39 e6 48 8d 58 c0 74
RSP: 0018:ffffc900008b0c88 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000360f520 RCX: ffffffff88f94f79
RDX: 0000000000000000 RSI: ffffffff81b052a4 RDI: ffffc9000360f560
RBP: ffffffffffffffc1 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8b4f4160 R12: 0000000000000001
R13: ffff888023630fb0 R14: ffffc9000360f560 R15: ffffc900008b0dd8
FS:  0000000000000000(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000001ea0000000b CR3: 00000000552ea000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 xdp_do_check_flushed+0x308/0x4e0 net/core/filter.c:4311
 __napi_poll.constprop.0+0xd1/0x550 net/core/dev.c:6774
 napi_poll net/core/dev.c:6840 [inline]
 net_rx_action+0xa92/0x1010 net/core/dev.c:6962
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:278
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:zap_pte_range mm/memory.c:1610 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1736 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1765 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1786 [inline]
RIP: 0010:unmap_page_range+0x83f/0x3c10 mm/memory.c:1807
Code: 8b 04 24 48 c1 e8 03 42 80 3c 28 00 0f 85 b7 28 00 00 48 8b 04 24 31 ff 48 8b 28 48 89 eb 48 83 e3 9f 48 89 de e8 31 b9 ba ff <48> 85 db 0f 84 3a 05 00 00 e8 f3 bd ba ff 48 8b 44 24 60 80 38 00
RSP: 0018:ffffc9000360f698 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 80000000307e3005 RCX: ffffffff81cfbd2f
RDX: ffff88802c26a440 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 80000000307e3025 R08: 0000000000000007 R09: 0000000000000000
R10: 80000000307e3005 R11: 0000000000000000 R12: 000000110c2ba000
R13: dffffc0000000000 R14: 000000110c2ba000 R15: ffffc9000360fab8
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1853
 unmap_vmas+0x22f/0x490 mm/memory.c:1897
 exit_mmap+0x1b8/0xb20 mm/mmap.c:3412
 __mmput+0x12a/0x480 kernel/fork.c:1345
 mmput+0x62/0x70 kernel/fork.c:1367
 exit_mm kernel/exit.c:571 [inline]
 do_exit+0x9bf/0x2bb0 kernel/exit.c:869
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031
 get_signal+0x25fd/0x2770 kernel/signal.c:2917
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f08afb773b9
Code: Unable to access opcode bytes at 0x7f08afb7738f.
RSP: 002b:00007f08b0a0c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: 0000000000018fd8 RBX: 00007f08afd05f80 RCX: 00007f08afb773b9
RDX: 0000000000018fd8 RSI: 0000000020032680 RDI: 0000000000000007
RBP: 00007f08afbe48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f08afd05f80 R15: 00007ffd0d743058
 </TASK>
Modules linked in:
vkms_vblank_simulate: vblank timer overrun
---[ end trace 0000000000000000 ]---
RIP: 0010:__cpu_map_flush+0x48/0x110 kernel/bpf/cpumap.c:766
Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 d1 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 26 49 8d 6c 24 c0 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 a1 00 00 00 49 8b 04 24 4d 39 e6 48 8d 58 c0 74
RSP: 0018:ffffc900008b0c88 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000360f520 RCX: ffffffff88f94f79
RDX: 0000000000000000 RSI: ffffffff81b052a4 RDI: ffffc9000360f560
RBP: ffffffffffffffc1 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8b4f4160 R12: 0000000000000001
R13: ffff888023630fb0 R14: ffffc9000360f560 R15: ffffc900008b0dd8
FS:  0000000000000000(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000001ea0000000b CR3: 00000000552ea000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 d1 00 00 00    	jne    0xdf
   e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  15:	fc ff df
  18:	4d 8b 26             	mov    (%r14),%r12
  1b:	49 8d 6c 24 c0       	lea    -0x40(%r12),%rbp
  20:	4c 89 e2             	mov    %r12,%rdx
  23:	48 c1 ea 03          	shr    $0x3,%rdx
* 27:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2b:	0f 85 a1 00 00 00    	jne    0xd2
  31:	49 8b 04 24          	mov    (%r12),%rax
  35:	4d 39 e6             	cmp    %r12,%r14
  38:	48 8d 58 c0          	lea    -0x40(%rax),%rbx
  3c:	74                   	.byte 0x74