==================================================================
BUG: KASAN: stack-out-of-bounds in list_empty include/linux/list.h:373 [inline]
BUG: KASAN: stack-out-of-bounds in bpf_net_ctx_get_all_used_flush_lists include/linux/filter.h:855 [inline]
BUG: KASAN: stack-out-of-bounds in xdp_do_check_flushed+0x47c/0x4e0 net/core/filter.c:4298
Read of size 8 at addr ffffc900042dfa68 by task syz.0.1150/9056

CPU: 0 UID: 0 PID: 9056 Comm: syz.0.1150 Not tainted 6.10.0-syzkaller-11926-g539fbb912321 #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
 list_empty include/linux/list.h:373 [inline]
 bpf_net_ctx_get_all_used_flush_lists include/linux/filter.h:855 [inline]
 xdp_do_check_flushed+0x47c/0x4e0 net/core/filter.c:4298
 __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
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x3e5/0x6f0 kernel/locking/lockdep.c:5767
Code: 7e 83 f8 01 0f 85 fd 01 00 00 9c 58 f6 c4 02 0f 85 e8 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 48 8b 84 24 88
RSP: 0018:ffffc900042eed88 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200085ddb3 RCX: ffffc900042eedd8
RDX: 1ffff11004b6415a RSI: ffffffff8b2cd360 RDI: ffffffff8b908120
RBP: 94dc7234791a6449 R08: 0000000000000000 R09: fffffbfff1fcb413
R10: ffffffff8fe5a09f R11: 0000000000000000 R12: 0000000000000006
R13: 0000000000000007 R14: ffff888025b20ad8 R15: ffff888025b20000
 rcu_lock_release include/linux/rcupdate.h:336 [inline]
 rcu_read_unlock include/linux/rcupdate.h:869 [inline]
 page_ext_put+0x43/0xd0 mm/page_ext.c:560
 page_table_check_set mm/page_table_check.c:134 [inline]
 page_table_check_set+0x8fd/0x9d0 mm/page_table_check.c:102
 __page_table_check_ptes_set+0x2d0/0x3e0 mm/page_table_check.c:225
 page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
 set_ptes include/linux/pgtable.h:267 [inline]
 set_pte_range+0x30e/0x520 mm/memory.c:4806
 filemap_map_order0_folio mm/filemap.c:3594 [inline]
 filemap_map_pages+0x50e/0x1440 mm/filemap.c:3644
 do_fault_around mm/memory.c:5019 [inline]
 do_read_fault mm/memory.c:5052 [inline]
 do_fault mm/memory.c:5191 [inline]
 do_pte_missing mm/memory.c:3947 [inline]
 handle_pte_fault mm/memory.c:5522 [inline]
 __handle_mm_fault+0x3896/0x5360 mm/memory.c:5665
 handle_mm_fault+0x435/0x770 mm/memory.c:5830
 faultin_page mm/gup.c:1194 [inline]
 __get_user_pages+0x475/0x15c0 mm/gup.c:1493
 __get_user_pages_locked mm/gup.c:1760 [inline]
 get_dump_page+0xfb/0x220 mm/gup.c:2278
 dump_user_range+0x135/0x8a0 fs/coredump.c:952
 elf_core_dump+0x2b4c/0x3d80 fs/binfmt_elf.c:2116
 do_coredump+0x29f9/0x3dd0 fs/coredump.c:767
 get_signal+0x237e/0x26e0 kernel/signal.c:2902
 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]
 irqentry_exit_to_user_mode+0x13f/0x280 kernel/entry/common.c:231
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0023:0xf741e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:000000000000fd60 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000fd60
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000e80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc900042d8000, ffffc900042e1000) 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:0x0 pfn:0x6c03f
memcg:ffff888020cddc02
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff ffff888020cddc02
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 9054, tgid 9054 (syz.0.1150), ts 234627976098, free_ts 234147126846
 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:3438
 __alloc_pages_noprof+0x22b/0x2460 mm/page_alloc.c:4696
 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+0x29f5/0x6f50 kernel/fork.c:2204
 kernel_clone+0xfd/0x980 kernel/fork.c:2781
 __do_sys_clone3+0x1f5/0x270 kernel/fork.c:3085
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 do_int80_emulation+0x104/0x200 arch/x86/entry/common.c:253
 asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:626
page last free pid 5155 tgid 5155 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:2608
 skb_free_frag include/linux/skbuff.h:3383 [inline]
 skb_free_head+0xa0/0x1d0 net/core/skbuff.c:1094
 skb_release_data+0x75c/0x980 net/core/skbuff.c:1123
 skb_release_all net/core/skbuff.c:1188 [inline]
 __kfree_skb+0x4f/0x70 net/core/skbuff.c:1202
 tcp_rcv_established+0xd71/0x21c0 net/ipv4/tcp_input.c:6135
 tcp_v4_do_rcv+0x5ca/0xa90 net/ipv4/tcp_ipv4.c:1909
 sk_backlog_rcv include/net/sock.h:1111 [inline]
 __release_sock+0x31b/0x400 net/core/sock.c:3004
 release_sock+0x5a/0x220 net/core/sock.c:3558
 tcp_sendmsg+0x38/0x50 net/ipv4/tcp.c:1355
 inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:853
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 sock_write_iter+0x4b8/0x5c0 net/socket.c:1160
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x6b6/0x1140 fs/read_write.c:590
 ksys_write+0x1f8/0x260 fs/read_write.c:643
 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:
 ffffc900042df900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900042df980: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
>ffffc900042dfa00: f1 f1 04 f2 00 00 f2 f2 00 00 00 f3 f3 f3 f3 f3
                                                          ^
 ffffc900042dfa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900042dfb00: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2
==================================================================
----------------
Code disassembly (best guess):
   0:	7e 83                	jle    0xffffff85
   2:	f8                   	clc
   3:	01 0f                	add    %ecx,(%rdi)
   5:	85 fd                	test   %edi,%ebp
   7:	01 00                	add    %eax,(%rax)
   9:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  10:	85 e8                	test   %ebp,%eax
  12:	01 00                	add    %eax,(%rax)
  14:	00 48 f7             	add    %cl,-0x9(%rax)
  17:	04 24                	add    $0x24,%al
  19:	00 02                	add    %al,(%rdx)
  1b:	00 00                	add    %al,(%rax)
  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:	c7 43 08 00 00 00 00 	movl   $0x0,0x8(%rbx)
  3b:	48                   	rex.W
  3c:	8b                   	.byte 0x8b
  3d:	84 24 88             	test   %ah,(%rax,%rcx,4)