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BUG: KASAN: invalid-access in __packet_get_status+0xb0/0x12c net/packet/af_packet.c:439
Read at addr faff00001d470000 by task syz-executor.0/31429
Pointer tag: [fa], memory tag: [f0]

CPU: 1 PID: 31429 Comm: syz-executor.0 Not tainted 6.7.0-syzkaller-10085-g1b1934dbbdcf #0
Hardware name: linux,dummy-virt (DT)
Call trace:
 dump_backtrace+0x94/0xec arch/arm64/kernel/stacktrace.c:291
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:298
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x48/0x60 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x108/0x618 mm/kasan/report.c:488
 kasan_report+0x88/0xac mm/kasan/report.c:601
 report_tag_fault arch/arm64/mm/fault.c:334 [inline]
 do_tag_recovery arch/arm64/mm/fault.c:346 [inline]
 __do_kernel_fault+0x17c/0x1e8 arch/arm64/mm/fault.c:393
 do_bad_area arch/arm64/mm/fault.c:493 [inline]
 do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:772
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:848
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:398
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:458
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:590
 __packet_get_status+0xb0/0x12c net/packet/af_packet.c:439
 packet_lookup_frame net/packet/af_packet.c:528 [inline]
 __tpacket_has_room net/packet/af_packet.c:1259 [inline]
 __packet_rcv_has_room+0xf8/0x188 net/packet/af_packet.c:1300
 tpacket_rcv+0x158/0xbcc net/packet/af_packet.c:2286
 dev_queue_xmit_nit+0x27c/0x2c0 net/core/dev.c:2312
 xmit_one net/core/dev.c:3543 [inline]
 dev_hard_start_xmit+0x74/0x110 net/core/dev.c:3563
 __dev_queue_xmit+0x1c0/0xe5c net/core/dev.c:4351
 dev_queue_xmit include/linux/netdevice.h:3171 [inline]
 hsr_xmit net/hsr/hsr_forward.c:380 [inline]
 hsr_forward_do net/hsr/hsr_forward.c:471 [inline]
 hsr_forward_skb+0x398/0x724 net/hsr/hsr_forward.c:619
 send_hsr_supervision_frame+0x120/0x1f0 net/hsr/hsr_device.c:343
 hsr_announce+0x50/0xac net/hsr/hsr_device.c:399
 call_timer_fn.constprop.0+0x24/0x80 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x22c/0x268 kernel/time/timer.c:2038
 run_timer_softirq+0x20/0x40 kernel/time/timer.c:2051
 __do_softirq+0x10c/0x26c kernel/softirq.c:553
 ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:81
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:886
 do_softirq_own_stack+0x1c/0x28 arch/arm64/kernel/irq.c:86
 invoke_softirq kernel/softirq.c:434 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xc0/0xdc kernel/softirq.c:644
 __el1_irq arch/arm64/kernel/entry-common.c:503 [inline]
 el1_interrupt+0x38/0x64 arch/arm64/kernel/entry-common.c:517
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:591
 __ll_sc_atomic_add arch/arm64/include/asm/atomic_ll_sc.h:95 [inline]
 arch_atomic_add arch/arm64/include/asm/atomic.h:28 [inline]
 raw_atomic_add include/linux/atomic/atomic-arch-fallback.h:546 [inline]
 raw_atomic_inc include/linux/atomic/atomic-arch-fallback.h:994 [inline]
 atomic_inc include/linux/atomic/atomic-instrumented.h:436 [inline]
 page_ref_inc include/linux/page_ref.h:158 [inline]
 folio_ref_inc include/linux/page_ref.h:165 [inline]
 folio_get include/linux/mm.h:1461 [inline]
 folio_activate mm/swap.c:358 [inline]
 folio_mark_accessed+0x0/0x190 mm/swap.c:352
 unmap_single_vma.constprop.0+0x4c/0x84 mm/memory.c:1714
 unmap_vmas+0x7c/0x170 mm/memory.c:1758
 unmap_region+0xd4/0x154 mm/mmap.c:2304
 mmap_region+0x320/0x94c mm/mmap.c:2956
 do_mmap+0x364/0x4a8 mm/mmap.c:1379
 vm_mmap_pgoff+0xf0/0x134 mm/util.c:556
 ksys_mmap_pgoff+0x184/0x204 mm/mmap.c:1425
 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline]
 __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline]
 __arm64_sys_mmap+0x30/0x44 arch/arm64/kernel/sys.c:21
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:51
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:155
 el0_svc+0x34/0xd8 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:595

The buggy address belongs to the physical page:
page:00000000921a86a0 refcount:9 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5d470
head:00000000921a86a0 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x1ffc14006000040(head|arch_2|arch_3|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x5)
page_type: 0xffffffff()
raw: 01ffc14006000040 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000009ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff00001d46fe00: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 ffff00001d46ff00: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
>ffff00001d470000: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
                   ^
 ffff00001d470100: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 ffff00001d470200: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
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