Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 7159 Comm: syz.1.545 Not tainted 6.11.0-rc1-syzkaller-00063-g21b136cc63d2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:bq_flush_to_queue+0x44/0x610 kernel/bpf/cpumap.c:675
Code: df e8 30 d8 d6 ff 49 8d 5e 50 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 e6 eb 3a 00 48 8b 2b 48 89 e8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 1d 05 00 00 44 8b 65 00 4d 8d 6e 58 4c
RSP: 0000:ffffc90000a18a80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88807b60d590 RCX: ffff88801a393c00
RDX: 0000000080000100 RSI: 0000000000000010 RDI: ffff88807b60d540
RBP: 0000000000000000 R08: ffffffff8985913a R09: 1ffffffff1fecf15
R10: dffffc0000000000 R11: fffffbfff1fecf16 R12: 0000000000000001
R13: ffffc90009cff820 R14: ffff88807b60d540 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc456fe3458 CR3: 000000006472c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __cpu_map_flush+0x5d/0xd0 kernel/bpf/cpumap.c:767
 xdp_do_check_flushed+0x136/0x240 net/core/filter.c:4311
 __napi_poll+0xe4/0x490 net/core/dev.c:6774
 napi_poll net/core/dev.c:6840 [inline]
 net_rx_action+0x89b/0x1240 net/core/dev.c:6962
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 common_interrupt+0xaa/0xd0 arch/x86/kernel/irq.c:278
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:stack_trace_consume_entry+0x2f/0x280 kernel/stacktrace.c:86
Code: 41 57 41 56 41 55 41 54 53 48 83 ec 18 48 89 fb 48 ba 00 00 00 00 00 fc ff df 4c 8d 4f 10 4d 89 cf 49 c1 ef 03 41 0f b6 04 17 <84> c0 0f 85 06 01 00 00 44 8b 43 10 48 8d 6b 08 49 89 ec 49 c1 ec
RSP: 0000:ffffc90009cfeff0 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffffc90009cff120 RCX: ffff88801a393c00
RDX: dffffc0000000000 RSI: ffffffff8156aee7 RDI: ffffc90009cff120
RBP: ffffc90009cff0d0 R08: ffffffff81376b92 R09: ffffc90009cff130
R10: 0000000000000003 R11: ffffffff817f0c20 R12: ffff88801a393c00
R13: ffffffff817f0c20 R14: ffffc90009cff120 R15: 1ffff9200139fe26
 arch_stack_walk+0x143/0x1b0 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2252 [inline]
 slab_free mm/slub.c:4473 [inline]
 kmem_cache_free+0x145/0x350 mm/slub.c:4548
 pagetable_pte_dtor include/linux/mm.h:2967 [inline]
 ___pte_free_tlb+0x2d/0x130 arch/x86/mm/pgtable.c:55
 __pte_free_tlb arch/x86/include/asm/pgalloc.h:61 [inline]
 free_pte_range mm/memory.c:194 [inline]
 free_pmd_range mm/memory.c:212 [inline]
 free_pud_range mm/memory.c:246 [inline]
 free_p4d_range mm/memory.c:280 [inline]
 free_pgd_range+0x727/0xdd0 mm/memory.c:360
 free_pgtables+0x719/0x840
 exit_mmap+0x447/0xc80 mm/mmap.c:3423
 __mmput+0x115/0x380 kernel/fork.c:1345
 exit_mm+0x220/0x310 kernel/exit.c:571
 do_exit+0x9b2/0x27f0 kernel/exit.c:869
 do_group_exit+0x207/0x2c0 kernel/exit.c:1031
 get_signal+0x1695/0x1730 kernel/signal.c:2917
 arch_do_signal_or_restart+0x96/0x860 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+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f80e29773b9
Code: Unable to access opcode bytes at 0x7f80e297738f.
RSP: 002b:00007f80e37f10f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f80e2b05f88 RCX: 00007f80e29773b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f80e2b05f88
RBP: 00007f80e2b05f80 R08: 00007f80e37f16c0 R09: 00007f80e37f16c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f80e2b05f8c
R13: 000000000000000b R14: 00007ffcf3483500 R15: 00007ffcf34835e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bq_flush_to_queue+0x44/0x610 kernel/bpf/cpumap.c:675
Code: df e8 30 d8 d6 ff 49 8d 5e 50 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 e6 eb 3a 00 48 8b 2b 48 89 e8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 1d 05 00 00 44 8b 65 00 4d 8d 6e 58 4c
RSP: 0000:ffffc90000a18a80 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88807b60d590 RCX: ffff88801a393c00
RDX: 0000000080000100 RSI: 0000000000000010 RDI: ffff88807b60d540
RBP: 0000000000000000 R08: ffffffff8985913a R09: 1ffffffff1fecf15
R10: dffffc0000000000 R11: fffffbfff1fecf16 R12: 0000000000000001
R13: ffffc90009cff820 R14: ffff88807b60d540 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc456fe3458 CR3: 000000006472c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e8 30 d8 d6 ff       	call   0xffd6d835
   5:	49 8d 5e 50          	lea    0x50(%r14),%rbx
   9:	48 89 d8             	mov    %rbx,%rax
   c:	48 c1 e8 03          	shr    $0x3,%rax
  10:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  15:	74 08                	je     0x1f
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 e6 eb 3a 00       	call   0x3aec05
  1f:	48 8b 2b             	mov    (%rbx),%rbp
  22:	48 89 e8             	mov    %rbp,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 1d 05 00 00    	jne    0x553
  36:	44 8b 65 00          	mov    0x0(%rbp),%r12d
  3a:	4d 8d 6e 58          	lea    0x58(%r14),%r13
  3e:	4c                   	rex.WR