==================================================================
BUG: KASAN: stack-out-of-bounds in bq_xmit_all+0xbd8/0xdd0 kernel/bpf/devmap.c:385
Read of size 8 at addr ffffc9000351fae0 by task syz.3.772/8416

CPU: 1 UID: 0 PID: 8416 Comm: syz.3.772 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
 bq_xmit_all+0xbd8/0xdd0 kernel/bpf/devmap.c:385
 __dev_flush+0x85/0x1e0 kernel/bpf/devmap.c:425
 xdp_do_check_flushed+0x40a/0x4e0 net/core/filter.c:4307
 __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:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xc/0x60 kernel/kcov.c:207
Code: c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 c4 5f 79 7e <65> 8b 05 c5 5f 79 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74
RSP: 0018:ffffc9000351f9d8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88804a575800 RCX: ffffffff8b000aee
RDX: ffff88802af44880 RSI: ffffffff8b000f41 RDI: 0000000000000005
RBP: 0000000000000008 R08: 0000000000000005 R09: 0000000000000003
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88804a575880
R13: 00007f3916601fff R14: ffffc9000351fb40 R15: ffffc9000351fb7d
 mas_next_slot+0x390/0x21d0 lib/maple_tree.c:4686
 mas_find+0x2c6/0x530 lib/maple_tree.c:6065
 vma_next include/linux/mm.h:993 [inline]
 acct_collect+0x671/0x8e0 kernel/acct.c:564
 do_exit+0x1a20/0x2bb0 kernel/exit.c:861
 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: 0033:0x7f39175773b9
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:00007f39183bc0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f3917705f88 RCX: 00007f39175773b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3917705f88
RBP: 00007f3917705f80 R08: 00007f39183bc6c0 R09: 00007f39183bc6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3917705f8c
R13: 000000000000000b R14: 00007ffdd9e19c20 R15: 00007ffdd9e19d08
 </TASK>

The buggy address belongs to stack of task syz.3.772/8416
 and is located at offset 0 in frame:
 acct_collect+0x0/0x8e0 kernel/acct.c:318

This frame has 3 objects:
 [32, 40) 'utime'
 [64, 72) 'stime'
 [96, 160) 'vmi'

The buggy address belongs to the virtual mapping at
 [ffffc90003518000, ffffc90003521000) 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:0xffff888012e838b8 pfn:0x12e83
memcg:ffff888044da1682
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: ffff888012e838b8 0000000000000000 00000001ffffffff ffff888044da1682
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 8415, tgid 8415 (syz.3.772), ts 161352592631, free_ts 161312476348
 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 39 tgid 39 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
 __folio_put+0x31c/0x3e0 mm/swap.c:128
 folio_put include/linux/mm.h:1486 [inline]
 free_page_and_swap_cache+0x249/0x2c0 mm/swap_state.c:308
 __tlb_remove_table arch/x86/include/asm/tlb.h:34 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x89/0xe0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2569 [inline]
 rcu_core+0x828/0x16b0 kernel/rcu/tree.c:2843
 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
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702

Memory state around the buggy address:
 ffffc9000351f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000351fa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9000351fa80: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
                                                       ^
 ffffc9000351fb00: 00 f2 f2 f2 00 f2 f2 f2 00 00 00 00 00 00 00 00
 ffffc9000351fb80: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
   c:	00 00
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	f3 0f 1e fa          	endbr64
  22:	65 48 8b 15 c4 5f 79 	mov    %gs:0x7e795fc4(%rip),%rdx        # 0x7e795fee
  29:	7e
* 2a:	65 8b 05 c5 5f 79 7e 	mov    %gs:0x7e795fc5(%rip),%eax        # 0x7e795ff6 <-- trapping instruction
  31:	a9 00 01 ff 00       	test   $0xff0100,%eax
  36:	48 8b 34 24          	mov    (%rsp),%rsi
  3a:	74 0f                	je     0x4b
  3c:	f6 c4 01             	test   $0x1,%ah
  3f:	74                   	.byte 0x74