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BUG: KASAN: invalid-access in idempotent kernel/module/main.c:3077 [inline]
BUG: KASAN: invalid-access in init_module_from_file+0xd4/0x2b4 kernel/module/main.c:3124
Read at addr f6ff000034607ff8 by task syz-executor.0/32370
Pointer tag: [f6], memory tag: [fe]

CPU: 0 PID: 32370 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #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:364 [inline]
 print_report+0xd8/0x5f4 mm/kasan/report.c:475
 kasan_report+0x7c/0xa0 mm/kasan/report.c:588
 __do_kernel_fault+0x174/0x1c0 arch/arm64/mm/fault.c:334
 do_bad_area arch/arm64/mm/fault.c:493 [inline]
 do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:804
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:880
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:369
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:429
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 idempotent kernel/module/main.c:3077 [inline]
 init_module_from_file+0xd4/0x2b4 kernel/module/main.c:3124
 __do_sys_finit_module kernel/module/main.c:3171 [inline]
 __se_sys_finit_module kernel/module/main.c:3154 [inline]
 __arm64_sys_finit_module+0x64/0xa0 kernel/module/main.c:3154
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0x44/0xe4 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x38/0xa4 arch/arm64/kernel/syscall.c:191
 el0_svc+0x2c/0xb0 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0xc0/0xc4 arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591

The buggy address belongs to the physical page:
page:00000000ca331e43 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x74607
flags: 0x1ffc10000000000(node=0|zone=0|lastcpupid=0x7ff|kasantag=0x4)
page_type: 0xffffffff()
raw: 01ffc10000000000 fffffc0000d18188 fffffc0000cd9488 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff000034607d00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
 ffff000034607e00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
>ffff000034607f00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
                                                                ^
 ffff000034608000: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6
 ffff000034608100: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6
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