Unable to handle kernel paging request at virtual address fef000000d958000 Mem abort info: ESR = 0x0000000096000047 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x07: level 3 translation fault Data abort info: ISV = 0, ISS = 0x00000047, ISS2 = 0x00000000 CM = 0, WnR = 1, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 52-bit VAs, pgdp=000000004298b000 [fef000000d958000] pgd=18000000bfdff403, p4d=18000000bfdfe403, pud=18000000bfdfd403, pmd=18000000bfda2403, pte=006800004d958406 Internal error: Oops: 0000000096000047 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 4113 Comm: syz-executor.0 Not tainted 6.16.0-syzkaller-g6e64f4580381 #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: 21402009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __stg_post arch/arm64/include/asm/mte-kasan.h:120 [inline] pc : mte_set_mem_tag_range arch/arm64/include/asm/mte-kasan.h:196 [inline] pc : kasan_poison.constprop.0+0x80/0x104 mm/kasan/kasan.h:478 lr : __kasan_poison_pages+0x50/0x80 mm/kasan/common.c:141 sp : ffff80008991bb30 x29: ffff80008991bb30 x28: 0000000000000000 x27: 0000000000000000 x26: ffffc1ffc0365600 x25: 00000000000000f0 x24: 0000000000000000 x23: 0000000040000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffffc1ffc0365600 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000002 x12: 000000000006e9dc x11: ffff8000820a1d28 x10: 0000000000000000 x9 : 00000000000000f0 x8 : 0000000000000038 x7 : 0000000000000000 x6 : fef000000d959000 x5 : fef000000d95803f x4 : 0000000000000040 x3 : fef000000d959000 x2 : 0000000000000000 x1 : 0000000000001000 x0 : fef000000d958000 Call trace: mte_set_mem_tag_range arch/arm64/include/asm/mte-kasan.h:196 [inline] (P) kasan_poison.constprop.0+0x80/0x104 mm/kasan/kasan.h:478 (P) kasan_poison_pages include/linux/kasan.h:117 [inline] free_pages_prepare mm/page_alloc.c:1417 [inline] __free_frozen_pages+0x130/0x66c mm/page_alloc.c:2895 free_frozen_pages+0x14/0x20 mm/page_alloc.c:2933 __folio_put+0xb8/0x12c mm/swap.c:112 folio_put include/linux/mm.h:1360 [inline] secretmem_fault+0x2f0/0x344 mm/secretmem.c:85 __do_fault+0x3c/0x22c mm/memory.c:5152 do_read_fault mm/memory.c:5573 [inline] do_fault mm/memory.c:5707 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault+0xce4/0x1a6c mm/memory.c:6195 handle_mm_fault+0x158/0x308 mm/memory.c:6364 do_page_fault+0x194/0x680 arch/arm64/mm/fault.c:696 do_translation_fault+0x60/0x6c arch/arm64/mm/fault.c:789 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:929 el0_da+0x2c/0x90 arch/arm64/kernel/entry-common.c:697 el0t_64_sync_handler+0xd0/0xe4 arch/arm64/kernel/entry-common.c:901 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596 Code: b5000247 eb04043f 54000203 d503201f (d9201400) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: b5000247 cbnz x7, 0x48 4: eb04043f cmp x1, x4, lsl #1 8: 54000203 b.cc 0x48 // b.lo, b.ul, b.last c: d503201f nop * 10: d9201400 stg x0, [x0], #16 <-- trapping instruction