==================================================================
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 ffffc90004237a50 by task syz.1.633/7527

CPU: 1 UID: 0 PID: 7527 Comm: syz.1.633 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
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:folios_put_refs+0x292/0x760 mm/swap.c:1011
Code: 97 fe ff ff e8 2f aa c9 ff 48 8d 7b 34 be 04 00 00 00 e8 11 d9 26 00 f0 44 29 7b 34 41 0f 94 c7 31 ff 44 89 fe e8 ae a4 c9 ff <45> 84 ff 0f 84 d6 fe ff ff e8 00 aa c9 ff 48 8d 7b 30 48 89 f8 48
RSP: 0018:ffffc90004237288 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffea0000bd7ac0 RCX: ffffffff81c0d122
RDX: ffff888048618000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900042373c8
R13: dffffc0000000000 R14: ffffc90004237458 R15: 0000000000000000
 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: 0033:0x7fd5c65773b9
Code: Unable to access opcode bytes at 0x7fd5c657738f.
RSP: 002b:00007fd5c72790f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd5c6706060 RCX: 00007fd5c65773b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd5c6706060
RBP: 00007fd5c6706058 R08: 00007fd5c72796c0 R09: 00007fd5c72796c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5c6706064
R13: 000000000000006e R14: 00007ffc6bd1f600 R15: 00007ffc6bd1f6e8
 </TASK>

The buggy address belongs to stack of task syz.1.633/7527
 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
 [ffffc90004230000, ffffc90004239000) 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:0xffff88802c043e00 pfn:0x2c042
memcg:ffff888020ac3002
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: ffff88802c043e00 0000000000000000 00000001ffffffff ffff888020ac3002
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 7522, tgid 7522 (syz.1.632), ts 180643357049, free_ts 180448577587
 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 5339 tgid 5339 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
 __put_partials+0x14c/0x170 mm/slub.c:3051
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:322
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3988 [inline]
 slab_alloc_node mm/slub.c:4037 [inline]
 kmem_cache_alloc_noprof+0x121/0x2f0 mm/slub.c:4044
 getname_flags.part.0+0x4c/0x550 fs/namei.c:139
 getname_flags+0x93/0xf0 include/linux/audit.h:322
 user_path_at+0x24/0x60 fs/namei.c:3001
 ksys_umount fs/namespace.c:2033 [inline]
 __do_sys_umount fs/namespace.c:2041 [inline]
 __se_sys_umount fs/namespace.c:2039 [inline]
 __x64_sys_umount+0x10b/0x1a0 fs/namespace.c:2039
 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

Memory state around the buggy address:
 ffffc90004237900: 00 f2 f2 f2 00 f2 f2 f2 00 00 f2 f2 00 00 00 00
 ffffc90004237980: 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
>ffffc90004237a00: 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00
                                                 ^
 ffffc90004237a80: 00 00 00 f2 f2 f2 f2 00 00 00 00 00 00 00 00 00
 ffffc90004237b00: 00 00 00 00 00 00 00 f3 f3 f3 f3 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	e8 2f aa c9 ff       	call   0xffc9aa34
   5:	48 8d 7b 34          	lea    0x34(%rbx),%rdi
   9:	be 04 00 00 00       	mov    $0x4,%esi
   e:	e8 11 d9 26 00       	call   0x26d924
  13:	f0 44 29 7b 34       	lock sub %r15d,0x34(%rbx)
  18:	41 0f 94 c7          	sete   %r15b
  1c:	31 ff                	xor    %edi,%edi
  1e:	44 89 fe             	mov    %r15d,%esi
  21:	e8 ae a4 c9 ff       	call   0xffc9a4d4
* 26:	45 84 ff             	test   %r15b,%r15b <-- trapping instruction
  29:	0f 84 d6 fe ff ff    	je     0xffffff05
  2f:	e8 00 aa c9 ff       	call   0xffc9aa34
  34:	48 8d 7b 30          	lea    0x30(%rbx),%rdi
  38:	48 89 f8             	mov    %rdi,%rax
  3b:	48                   	rex.W