Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 UID: 0 PID: 16901 Comm: syz.3.3208 Not tainted 6.10.0-next-20240718-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__cpu_map_flush+0x42/0xd0
Code: e8 13 8c d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ad f9 3d 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 8f f9 3d 00 4c 8b 23 48 8d 7b c0
RSP: 0018:ffffc90000007b10 EFLAGS: 00010203
RAX: 0000000000000008 RBX: 0000000000000046 RCX: ffff888020780000
RDX: 0000000080000102 RSI: 0000000000000000 RDI: ffffc9000384f1a0
RBP: dffffc0000000000 R08: ffffffff896d3a3a R09: 1ffffffff1f5f995
R10: dffffc0000000000 R11: fffffbfff1f5f996 R12: ffffc9000384f1a0
R13: ffffc9000384f160 R14: ffffc9000384f1a0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f329edffed8 CR3: 000000007170a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 xdp_do_check_flushed+0x136/0x240 net/core/filter.c:4304
 __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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ce cf 5c f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> c3 69 c4 f5 65 8b 05 04 5f 65 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000384f9c0 EFLAGS: 00000206
RAX: a1c08e7522236200 RBX: 1ffff92000709f3c RCX: ffffffff94807903
RDX: dffffc0000000000 RSI: ffffffff8bcad5c0 RDI: 0000000000000001
RBP: ffffc9000384fa60 R08: ffffffff8fafccaf R09: 1ffffffff1f5f995
R10: dffffc0000000000 R11: fffffbfff1f5f996 R12: dffffc0000000000
R13: 1ffff92000709f38 R14: ffffc9000384f9e0 R15: 0000000000000246
 exit_tasks_rcu_start+0x1d6/0x280 kernel/rcu/tasks.h:1215
 do_exit+0xa54/0x27f0 kernel/exit.c:901
 do_group_exit+0x207/0x2c0 kernel/exit.c:1031
 get_signal+0x16a1/0x1740 kernel/signal.c:2917
 arch_do_signal_or_restart+0x96/0x830 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: 0033:0x7f13a4575b59
Code: Unable to access opcode bytes at 0x7f13a4575b2f.
RSP: 002b:00007f13a53300f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f13a4705f68 RCX: 00007f13a4575b59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f13a4705f68
RBP: 00007f13a4705f60 R08: 00007f13a53306c0 R09: 00007f13a53306c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13a4705f6c
R13: 000000000000000b R14: 00007fff8daaf000 R15: 00007fff8daaf0e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__cpu_map_flush+0x42/0xd0
Code: e8 13 8c d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ad f9 3d 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 8f f9 3d 00 4c 8b 23 48 8d 7b c0
RSP: 0018:ffffc90000007b10 EFLAGS: 00010203
RAX: 0000000000000008 RBX: 0000000000000046 RCX: ffff888020780000
RDX: 0000000080000102 RSI: 0000000000000000 RDI: ffffc9000384f1a0
RBP: dffffc0000000000 R08: ffffffff896d3a3a R09: 1ffffffff1f5f995
R10: dffffc0000000000 R11: fffffbfff1f5f996 R12: ffffc9000384f1a0
R13: ffffc9000384f160 R14: ffffc9000384f1a0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f329edffed8 CR3: 000000000e134000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	e8 13 8c d6 ff       	call   0xffd68c18
   5:	4c 89 f0             	mov    %r14,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  11:	74 08                	je     0x1b
  13:	4c 89 f7             	mov    %r14,%rdi
  16:	e8 ad f9 3d 00       	call   0x3df9c8
  1b:	49 8b 1e             	mov    (%r14),%rbx
  1e:	4c 39 f3             	cmp    %r14,%rbx
  21:	74 77                	je     0x9a
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 8f f9 3d 00       	call   0x3df9c8
  39:	4c 8b 23             	mov    (%rbx),%r12
  3c:	48 8d 7b c0          	lea    -0x40(%rbx),%rdi