Unable to handle kernel paging request at virtual address dfff800000000011 KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [dfff800000000011] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 16005 Comm: syz-executor.1 Not tainted 6.4.0-rc4-syzkaller-g7579d8f9bf90 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __lock_acquire+0x104/0x7604 kernel/locking/lockdep.c:4956 lr : lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5705 sp : ffff80009c0e7560 x29: ffff80009c0e7800 x28: dfff800000000000 x27: ffff800087a82678 x26: 1ffff00011bd80ad x25: ffff70001381ced0 x24: 0000000000000001 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: 0000000000000088 x18: ffff0001b425ff98 x17: ffff80008debd000 x16: ffff80008a4340a0 x15: 0000000000000000 x14: 1ffff00011bd80ae x13: ffff80009c0e7680 x12: dfff800000000000 x11: ffff800080313fbc x10: ffff80008dec056c x9 : 00000000000000f3 x8 : 0000000000000011 x7 : ffff800087a82678 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000088 Call trace: __lock_acquire+0x104/0x7604 kernel/locking/lockdep.c:4956 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5705 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 hidraw_release+0xcc/0x574 drivers/hid/hidraw.c:352 __fput+0x30c/0x7bc fs/file_table.c:321 ____fput+0x20/0x30 fs/file_table.c:349 task_work_run+0x230/0x2e0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x63c/0x1f58 kernel/exit.c:871 do_group_exit+0x194/0x22c kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1030 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: 9006e268 b9430108 34000208 d343fe68 (386c6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 9006e268 adrp x8, 0xdc4c000 4: b9430108 ldr w8, [x8, #768] 8: 34000208 cbz w8, 0x48 c: d343fe68 lsr x8, x19, #3 * 10: 386c6908 ldrb w8, [x8, x12] <-- trapping instruction