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 PID: 7606 Comm: syz.1.551 Not tainted 6.10.0-syzkaller-08280-g68b59730459e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__dev_flush+0x5b/0x160
Code: 48 89 ef e8 67 7c 3a 00 48 8b 5d 00 48 39 eb 0f 84 ff 00 00 00 48 89 2c 24 49 89 dd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 48 89 df e8 35 7c 3a 00 48 8b 03 48 89 44
RSP: 0018:ffffc90000a18af0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8880266a8000
RDX: 0000000080000101 RSI: 0000000000000010 RDI: ffffc900032cf810
RBP: ffffc900032cf810 R08: ffffffff895eeb1a R09: 1ffffffff1f5b375
R10: dffffc0000000000 R11: fffffbfff1f5b376 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000010 R15: ffffc900032cf810
FS:  00007fcca64136c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000287ca000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 xdp_do_check_flushed+0x129/0x240 net/core/filter.c:4300
 __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:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5757
Code: 2b 00 74 08 4c 89 f7 e8 ba bc 86 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc900032cf100 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000659e2c RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcadb20 RDI: ffffffff8c1f8760
RBP: ffffc900032cf248 R08: ffffffff92fae5c7 R09: 1ffffffff25f5cb8
R10: dffffc0000000000 R11: fffffbfff25f5cb9 R12: 1ffff92000659e28
R13: dffffc0000000000 R14: ffffc900032cf160 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
 rcu_read_lock include/linux/rcupdate.h:839 [inline]
 page_ref_add_unless include/linux/page_ref.h:235 [inline]
 folio_ref_add_unless include/linux/page_ref.h:248 [inline]
 folio_try_get+0x3b/0x350 include/linux/page_ref.h:264
 next_uptodate_folio+0x164/0xa40 mm/filemap.c:3476
 filemap_map_pages+0x1338/0x1e70 mm/filemap.c:3653
 do_fault_around mm/memory.c:4879 [inline]
 do_read_fault mm/memory.c:4912 [inline]
 do_fault mm/memory.c:5051 [inline]
 do_pte_missing mm/memory.c:3897 [inline]
 handle_pte_fault+0x3b9b/0x7090 mm/memory.c:5381
 __handle_mm_fault mm/memory.c:5524 [inline]
 handle_mm_fault+0xfb0/0x19d0 mm/memory.c:5689
 faultin_page mm/gup.c:1305 [inline]
 __get_user_pages+0x6ec/0x16a0 mm/gup.c:1604
 populate_vma_page_range+0x264/0x330 mm/gup.c:2043
 __mm_populate+0x27a/0x460 mm/gup.c:2146
 mm_populate include/linux/mm.h:3469 [inline]
 vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:583
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcca5575b59
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:00007fcca6413048 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fcca5705f60 RCX: 00007fcca5575b59
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007fcca55e4e5d R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcca5705f60 R15: 00007ffced193c28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__dev_flush+0x5b/0x160
Code: 48 89 ef e8 67 7c 3a 00 48 8b 5d 00 48 39 eb 0f 84 ff 00 00 00 48 89 2c 24 49 89 dd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 48 89 df e8 35 7c 3a 00 48 8b 03 48 89 44
RSP: 0018:ffffc90000a18af0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8880266a8000
RDX: 0000000080000101 RSI: 0000000000000010 RDI: ffffc900032cf810
RBP: ffffc900032cf810 R08: ffffffff895eeb1a R09: 1ffffffff1f5b375
R10: dffffc0000000000 R11: fffffbfff1f5b376 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000010 R15: ffffc900032cf810
FS:  00007fcca64136c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000287ca000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
   0:	48 89 ef             	mov    %rbp,%rdi
   3:	e8 67 7c 3a 00       	call   0x3a7c6f
   8:	48 8b 5d 00          	mov    0x0(%rbp),%rbx
   c:	48 39 eb             	cmp    %rbp,%rbx
   f:	0f 84 ff 00 00 00    	je     0x114
  15:	48 89 2c 24          	mov    %rbp,(%rsp)
  19:	49 89 dd             	mov    %rbx,%r13
  1c:	49 c1 ed 03          	shr    $0x3,%r13
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	41 80 7c 05 00 00    	cmpb   $0x0,0x0(%r13,%rax,1) <-- trapping instruction
  30:	74 08                	je     0x3a
  32:	48 89 df             	mov    %rbx,%rdi
  35:	e8 35 7c 3a 00       	call   0x3a7c6f
  3a:	48 8b 03             	mov    (%rbx),%rax
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	44                   	rex.R