==================================================================
BUG: KASAN: invalid-access in __packet_get_status+0xb8/0x138 net/packet/af_packet.c:439
Read at addr fcf0000014480000 by task kworker/0:0/8
Pointer tag: [fc], memory tag: [f0]

CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc7-syzkaller-g77f587896757 #0
Hardware name: linux,dummy-virt (DT)
Workqueue: mld mld_ifc_work
Call trace:
 dump_backtrace+0x94/0xec arch/arm64/kernel/stacktrace.c:319
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:326
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x78/0x90 lib/dump_stack.c:119
 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:331 [inline]
 do_tag_recovery arch/arm64/mm/fault.c:343 [inline]
 __do_kernel_fault+0x170/0x1c8 arch/arm64/mm/fault.c:385
 do_bad_area arch/arm64/mm/fault.c:485 [inline]
 do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:750
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:826
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:432
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:492
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:593
 __packet_get_status+0xb8/0x138 net/packet/af_packet.c:439
 packet_lookup_frame net/packet/af_packet.c:528 [inline]
 packet_current_rx_frame net/packet/af_packet.c:1182 [inline]
 tpacket_rcv+0x2b8/0xc58 net/packet/af_packet.c:2416
 dev_queue_xmit_nit+0x284/0x2cc net/core/dev.c:2345
 xmit_one net/core/dev.c:3576 [inline]
 dev_hard_start_xmit+0x78/0x114 net/core/dev.c:3596
 __dev_queue_xmit+0x1b4/0xf48 net/core/dev.c:4423
 dev_queue_xmit include/linux/netdevice.h:3105 [inline]
 neigh_hh_output include/net/neighbour.h:526 [inline]
 neigh_output include/net/neighbour.h:540 [inline]
 ip6_finish_output2+0x3b4/0x904 net/ipv6/ip6_output.c:141
 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline]
 ip6_finish_output+0x22c/0x34c net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:303 [inline]
 ip6_output+0x78/0x1cc net/ipv6/ip6_output.c:247
 dst_output include/net/dst.h:450 [inline]
 NF_HOOK.constprop.0+0x50/0xe0 include/linux/netfilter.h:314
 mld_sendpack+0x204/0x40c net/ipv6/mcast.c:1818
 mld_send_cr net/ipv6/mcast.c:2119 [inline]
 mld_ifc_work+0x1d4/0x47c net/ipv6/mcast.c:2650
 process_one_work+0x15c/0x29c kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x248/0x350 kernel/workqueue.c:3389
 kthread+0x114/0x118 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860

The buggy address belongs to the physical page:
page: refcount:9 mapcount:1 mapping:0000000000000000 index:0x0 pfn:0x54480
head: order:3 mapcount:8 entire_mapcount:0 nr_pages_mapped:8 pincount:0
flags: 0x1ffc0c003000040(head|arch_2|arch_3|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x3)
raw: 01ffc0c003000040 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 0000000900000000 0000000000000000
head: 01ffc0c003000040 0000000000000000 dead000000000122 0000000000000000
head: 0000000000000000 0000000000000000 0000000900000000 0000000000000000
head: 01ffc0c003000003 ffffc1ffc0512001 ffffffff00000007 0000000000000008
head: 0000000000000008 0000000000000000 0000000000000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 fff000001447fe00: f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1 f1
 fff000001447ff00: f1 f1 fe fe fe fe fe fe fe fe fe fe fe fe fe fe
>fff0000014480000: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
                   ^
 fff0000014480100: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 fff0000014480200: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
==================================================================