==================================================================
BUG: KASAN: stack-out-of-bounds in bpf_net_ctx_get_all_used_flush_lists include/linux/filter.h:837 [inline]
BUG: KASAN: stack-out-of-bounds in xdp_do_check_flushed+0x41c/0x4e0 net/core/filter.c:4305
Read of size 4 at addr ffffc9000404fa50 by task syz.2.8259/30421

CPU: 1 UID: 0 PID: 30421 Comm: syz.2.8259 Not tainted 6.11.0-rc1-syzkaller-00062-ge4fc196f5ba3 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 bpf_net_ctx_get_all_used_flush_lists include/linux/filter.h:837 [inline]
 xdp_do_check_flushed+0x41c/0x4e0 net/core/filter.c:4305
 __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:lock_acquire+0x1f2/0x560 kernel/locking/lockdep.c:5727
Code: c1 05 5a 14 9a 7e 83 f8 01 0f 85 ea 02 00 00 9c 58 f6 c4 02 0f 85 d5 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000404f060 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000809e0e RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff8b4cc880 RDI: ffffffff8bb08480
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff28c50d8
R10: ffffffff946286c7 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8ddb53a0 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
 rcu_read_lock include/linux/rcupdate.h:838 [inline]
 page_ext_get+0x3a/0x310 mm/page_ext.c:535
 __reset_page_owner+0x32/0x400 mm/page_owner.c:290
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1094 [inline]
 free_unref_folios+0x9e9/0x1390 mm/page_alloc.c:2660
 folios_put_refs+0x560/0x760 mm/swap.c:1039
 free_pages_and_swap_cache+0x36d/0x510 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages+0xf9/0x290 mm/mmu_gather.c:136
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0xe9/0x590 mm/mmu_gather.c:373
 zap_pte_range mm/memory.c:1697 [inline]
 zap_pmd_range mm/memory.c:1736 [inline]
 zap_pud_range mm/memory.c:1765 [inline]
 zap_p4d_range mm/memory.c:1786 [inline]
 unmap_page_range+0x1c88/0x3c10 mm/memory.c:1807
 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: 0033:0x7f8cd31773b9
Code: Unable to access opcode bytes at 0x7f8cd317738f.
RSP: 002b:00007f8cd3f270f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f8cd3306138 RCX: 00007f8cd31773b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8cd3306138
RBP: 00007f8cd3306130 R08: 00007f8cd3f276c0 R09: 00007f8cd3f276c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8cd330613c
R13: 000000000000006e R14: 00007ffc45c1c5d0 R15: 00007ffc45c1c6b8
 </TASK>

The buggy address belongs to stack of task syz.2.8259/30421
 and is located at offset 24 in frame:
 exit_mmap+0x0/0xb20 mm/mmap.c:3232

This frame has 2 objects:
 [32, 96) 'vmi'
 [128, 256) 'tlb'

The buggy address belongs to the virtual mapping at
 [ffffc90004048000, ffffc90004051000) created by:
 kernel_clone+0xfd/0x980 kernel/fork.c:2781

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88804d724000 pfn:0x3a8f1
memcg:ffff8880204ed802
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: ffff88804d724000 0000000000000000 00000001ffffffff ffff8880204ed802
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 30161, tgid 30161 (syz.3.8179), ts 1248372464573, free_ts 1246041129070
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1493
 prep_new_page mm/page_alloc.c:1501 [inline]
 get_page_from_freelist+0x1351/0x2e50 mm/page_alloc.c:3442
 __alloc_pages_noprof+0x22b/0x2460 mm/page_alloc.c:4700
 alloc_pages_mpol_noprof+0x275/0x610 mm/mempolicy.c:2263
 vm_area_alloc_pages mm/vmalloc.c:3584 [inline]
 __vmalloc_area_node mm/vmalloc.c:3660 [inline]
 __vmalloc_node_range_noprof+0xa6a/0x1520 mm/vmalloc.c:3841
 alloc_thread_stack_node kernel/fork.c:313 [inline]
 dup_task_struct kernel/fork.c:1113 [inline]
 copy_process+0x2f3b/0x8de0 kernel/fork.c:2204
 kernel_clone+0xfd/0x980 kernel/fork.c:2781
 __do_sys_clone3+0x1f5/0x270 kernel/fork.c:3085
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 30098 tgid 30097 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1094 [inline]
 free_unref_page+0x64a/0xe40 mm/page_alloc.c:2612
 kvm_mmu_free_memory_cache+0x189/0x2d0 virt/kvm/kvm_main.c:460
 mmu_free_memory_caches arch/x86/kvm/mmu/mmu.c:708 [inline]
 kvm_mmu_destroy+0x45/0x60 arch/x86/kvm/mmu/mmu.c:7247
 kvm_arch_vcpu_destroy+0x179/0x2a0 arch/x86/kvm/x86.c:12349
 kvm_vcpu_destroy virt/kvm/kvm_main.c:508 [inline]
 kvm_destroy_vcpus+0x114/0x2a0 virt/kvm/kvm_main.c:528
 kvm_arch_destroy_vm+0x2ec/0x490 arch/x86/kvm/x86.c:12835
 kvm_destroy_vm virt/kvm/kvm_main.c:1350 [inline]
 kvm_put_kvm+0x510/0xb80 virt/kvm/kvm_main.c:1386
 kvm_vcpu_release+0x51/0x70 virt/kvm/kvm_main.c:4153
 __fput+0x408/0xbb0 fs/file_table.c:422
 task_work_run+0x14e/0x250 kernel/task_work.c:228
 get_signal+0x1ca/0x2770 kernel/signal.c:2689
 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

Memory state around the buggy address:
 ffffc9000404f900: 00 f2 f2 f2 00 f2 f2 f2 00 00 f2 f2 00 00 00 00
 ffffc9000404f980: 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
>ffffc9000404fa00: 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00
                                                 ^
 ffffc9000404fa80: 00 00 00 f2 f2 f2 f2 00 00 00 00 00 00 00 00 00
 ffffc9000404fb00: 00 00 00 00 00 00 00 f3 f3 f3 f3 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
   0:	c1 05 5a 14 9a 7e 83 	roll   $0x83,0x7e9a145a(%rip)        # 0x7e9a1461
   7:	f8                   	clc
   8:	01 0f                	add    %ecx,(%rdi)
   a:	85 ea                	test   %ebp,%edx
   c:	02 00                	add    (%rax),%al
   e:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  15:	85 d5                	test   %edx,%ebp
  17:	02 00                	add    (%rax),%al
  19:	00 48 85             	add    %cl,-0x7b(%rax)
  1c:	ed                   	in     (%dx),%eax
  1d:	74 01                	je     0x20
  1f:	fb                   	sti
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	48 01 c3             	add    %rax,%rbx <-- trapping instruction
  2d:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  34:	48 c7 43 08 00 00 00 	movq   $0x0,0x8(%rbx)
  3b:	00
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	84                   	.byte 0x84
  3f:	24                   	.byte 0x24