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BUG: KASAN: invalid-access in __packet_get_status+0xb8/0x138 net/packet/af_packet.c:439
Read at addr f4ff0000167c0000 by task syz-executor.0/18222
Pointer tag: [f4], memory tag: [f0]

CPU: 1 PID: 18222 Comm: syz-executor.0 Not tainted 6.9.0-rc1-syzkaller-00009-g7033999ecd7b #0
Hardware name: linux,dummy-virt (DT)
Call trace:
 dump_backtrace+0x94/0xec arch/arm64/kernel/stacktrace.c:317
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x78/0x90 lib/dump_stack.c:114
 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+0x1a0/0x1dc 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:764
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:840
 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_frame net/packet/af_packet.c:538 [inline]
 packet_poll+0xbc/0x18c net/packet/af_packet.c:4281
 sock_poll+0x58/0xe0 net/socket.c:1409
 vfs_poll include/linux/poll.h:84 [inline]
 do_pollfd fs/select.c:873 [inline]
 do_poll fs/select.c:921 [inline]
 do_sys_poll+0x2ac/0x5ac fs/select.c:1016
 __do_sys_ppoll fs/select.c:1122 [inline]
 __se_sys_ppoll fs/select.c:1102 [inline]
 __arm64_sys_ppoll+0xa8/0x130 fs/select.c:1102
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:152
 el0_svc+0x34/0xf8 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x567c0
head: order:4 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x1ffe16006000044(referenced|head|arch_2|arch_3|node=0|zone=0|lastcpupid=0xfff|kasantag=0xb)
page_type: 0xffffffff()
raw: 01ffe16006000044 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
head: 01ffe16006000044 0000000000000000 dead000000000122 0000000000000000
head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
head: 01ffe16006000004 fffffdffc059f001 dead000000000122 00000000ffffffff
head: 0000001000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000167bfe00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
 ffff0000167bff00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
>ffff0000167c0000: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
                   ^
 ffff0000167c0100: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 ffff0000167c0200: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
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