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BUG: KASAN: invalid-access in __packet_get_status+0xb0/0x12c net/packet/af_packet.c:439
Read at addr f6ff00000d780a80 by task kworker/0:0/8
Pointer tag: [f6], memory tag: [f0]

CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.7.0-syzkaller-g0dd3ee311255 #0
Hardware name: linux,dummy-virt (DT)
Workqueue: ipv6_addrconf addrconf_dad_work
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:364 [inline]
 print_report+0x108/0x618 mm/kasan/report.c:475
 kasan_report+0x88/0xac mm/kasan/report.c:588
 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+0x144/0xc04 net/packet/af_packet.c:2289
 dev_queue_xmit_nit+0x27c/0x2c0 net/core/dev.c:2313
 xmit_one net/core/dev.c:3544 [inline]
 dev_hard_start_xmit+0x74/0x110 net/core/dev.c:3564
 __dev_queue_xmit+0x1c0/0xe54 net/core/dev.c:4349
 dev_queue_xmit include/linux/netdevice.h:3134 [inline]
 neigh_hh_output include/net/neighbour.h:526 [inline]
 neigh_output include/net/neighbour.h:540 [inline]
 ip6_finish_output2+0x3a8/0x904 net/ipv6/ip6_output.c:137
 __ip6_finish_output net/ipv6/ip6_output.c:211 [inline]
 ip6_finish_output+0x228/0x344 net/ipv6/ip6_output.c:222
 NF_HOOK_COND include/linux/netfilter.h:303 [inline]
 ip6_output+0x74/0x1cc net/ipv6/ip6_output.c:243
 dst_output include/net/dst.h:451 [inline]
 NF_HOOK.constprop.0+0x50/0xe0 include/linux/netfilter.h:314
 mld_sendpack+0x204/0x408 net/ipv6/mcast.c:1818
 mld_send_initial_cr.part.0.isra.0+0x5c/0x70 net/ipv6/mcast.c:2236
 mld_send_initial_cr net/ipv6/mcast.c:2224 [inline]
 ipv6_mc_dad_complete+0x5c/0x10c net/ipv6/mcast.c:2244
 addrconf_dad_completed+0x338/0x3a4 net/ipv6/addrconf.c:4275
 addrconf_dad_work+0x280/0x590 net/ipv6/addrconf.c:4203
 process_one_work+0x148/0x258 kernel/workqueue.c:2627
 process_scheduled_works kernel/workqueue.c:2700 [inline]
 worker_thread+0x2b4/0x3cc kernel/workqueue.c:2781
 kthread+0x114/0x118 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857

The buggy address belongs to the physical page:
page:000000009337d281 refcount:9 mapcount:1 mapping:0000000000000000 index:0x0 pfn:0x4d780
head:000000009337d281 order:3 entire_mapcount:0 nr_pages_mapped:8 pincount:0
flags: 0x1ffc24006000040(head|arch_2|arch_3|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x9)
page_type: 0x0()
raw: 01ffc24006000040 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 0000000900000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff00000d780800: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 ffff00000d780900: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
>ffff00000d780a00: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
                                           ^
 ffff00000d780b00: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 ffff00000d780c00: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
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