Unable to handle kernel paging request at virtual address 00700000077b9b78 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [00700000077b9b78] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3186 Comm: syz-executor162 Not tainted 6.10.0-rc1-syzkaller-00027-g4a4be1ad3a6e #0 Hardware name: linux,dummy-virt (DT) pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : ma_data_end lib/maple_tree.c:1419 [inline] pc : mtree_range_walk lib/maple_tree.c:2771 [inline] pc : mas_state_walk lib/maple_tree.c:3678 [inline] pc : mas_walk+0x194/0x328 lib/maple_tree.c:4909 lr : lock_vma_under_rcu+0x58/0x134 mm/memory.c:5840 sp : ffff800088cabd50 x29: ffff800088cabd50 x28: f2f0000005e50000 x27: 0000000000000000 x26: 0000000000000004 x25: f7f0000005c03900 x24: 0000000082000007 x23: 0000ffff82687800 x22: 0000000000000354 x21: 0000ffff82687800 x20: 0000ffff82687800 x19: ffff800088cabeb0 x18: ff7ffffffffffbff x17: 0000aaaadab2dc00 x16: 1e4e000000ef7371 x15: 0000000000000001 x14: ffffffffffffffff x13: 0000000000000000 x12: ffff800081e3d1e8 x11: 0000000000000001 x10: f2700000077b9b8c x9 : f2700000077b9b00 x8 : 0000ffff82687800 x7 : 0000000000000001 x6 : 000000000000000e x5 : 0000000000000001 x4 : ffff800088cabd78 x3 : 0000aaaadab2dc00 x2 : 000000000000000e x1 : 000000000000000f x0 : f2700000077b9b08 Call trace: ma_data_end lib/maple_tree.c:1418 [inline] mtree_range_walk lib/maple_tree.c:2771 [inline] mas_state_walk lib/maple_tree.c:3678 [inline] mas_walk+0x194/0x328 lib/maple_tree.c:4909 do_page_fault+0xd4/0x480 arch/arm64/mm/fault.c:567 do_translation_fault+0xac/0xbc arch/arm64/mm/fault.c:690 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:826 el0_ia+0xa4/0x118 arch/arm64/kernel/entry-common.c:598 el0t_64_sync_handler+0xd0/0x12c arch/arm64/kernel/entry-common.c:736 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 Code: 91002120 51000426 92401cc2 12001cc6 (f8627802) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 91002120 add x0, x9, #0x8 4: 51000426 sub w6, w1, #0x1 8: 92401cc2 and x2, x6, #0xff c: 12001cc6 and w6, w6, #0xff * 10: f8627802 ldr x2, [x0, x2, lsl #3] <-- trapping instruction