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BUG: KASAN: invalid-access in __packet_get_status+0x70/0xe0 net/packet/af_packet.c:438
Read at addr fdff000022d00000 by task syz-executor.1/20264
Pointer tag: [fd], memory tag: [f0]

CPU: 1 PID: 20264 Comm: syz-executor.1 Not tainted 6.4.0-rc3-syzkaller-00278-g49572d536129 #0
Hardware name: linux,dummy-virt (DT)
Call trace:
 dump_backtrace+0x94/0xec arch/arm64/kernel/stacktrace.c:233
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:240
 __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:351 [inline]
 print_report+0xd8/0x5f4 mm/kasan/report.c:462
 kasan_report+0x7c/0x9c mm/kasan/report.c:572
 __do_kernel_fault+0x174/0x1c0 arch/arm64/mm/fault.c:320
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:791
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:867
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 __packet_get_status+0x70/0xe0 net/packet/af_packet.c:438
 packet_lookup_frame net/packet/af_packet.c:524 [inline]
 packet_current_rx_frame net/packet/af_packet.c:1117 [inline]
 tpacket_rcv+0x29c/0xbbc net/packet/af_packet.c:2355
 dev_queue_xmit_nit+0x284/0x2c8 net/core/dev.c:2281
 xmit_one net/core/dev.c:3574 [inline]
 dev_hard_start_xmit+0x78/0x148 net/core/dev.c:3594
 __dev_queue_xmit+0xaa0/0xd40 net/core/dev.c:4244
 dev_queue_xmit include/linux/netdevice.h:3085 [inline]
 hsr_xmit net/hsr/hsr_forward.c:382 [inline]
 hsr_forward_do net/hsr/hsr_forward.c:473 [inline]
 hsr_forward_skb+0x3a0/0x734 net/hsr/hsr_forward.c:620
 send_hsr_supervision_frame+0x114/0x1e4 net/hsr/hsr_device.c:326
 hsr_announce+0x4c/0xa8 net/hsr/hsr_device.c:382
 call_timer_fn.constprop.0+0x24/0x80 kernel/time/timer.c:1700
 expire_timers+0x9c/0xd4 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0xf4/0x254 kernel/time/timer.c:2035
 _stext+0x124/0x290
 ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899
 do_softirq_own_stack+0x1c/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xe4/0x100 kernel/softirq.c:650
 irq_exit_rcu+0x10/0x1c kernel/softirq.c:662
 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
 el1_interrupt+0x38/0x64 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:33 [inline]
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:55 [inline]
 __raw_write_unlock_irq include/linux/rwlock_api_smp.h:273 [inline]
 _raw_write_unlock_irq+0x8/0x44 kernel/locking/spinlock.c:358
 exit_notify kernel/exit.c:762 [inline]
 do_exit+0x4f8/0x984 kernel/exit.c:891
 do_group_exit+0x34/0x90 kernel/exit.c:1021
 copy_siginfo_to_user+0x0/0xec kernel/signal.c:2874
 do_signal arch/arm64/kernel/signal.c:1248 [inline]
 do_notify_resume+0x174/0x144c arch/arm64/kernel/signal.c:1301
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591

The buggy address belongs to the physical page:
page:0000000058ec1768 refcount:9 mapcount:1 mapping:0000000000000000 index:0x0 pfn:0x62d00
head:0000000058ec1768 order:3 entire_mapcount:0 nr_pages_mapped:8 pincount:0
flags: 0x1ffc08006010000(head|arch_2|arch_3|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x2)
page_type: 0x0()
raw: 01ffc08006010000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 0000000900000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff000022cffe00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
 ffff000022cfff00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
>ffff000022d00000: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
                   ^
 ffff000022d00100: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 ffff000022d00200: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
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