Unable to handle kernel paging request at virtual address dfff80000000000d KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f] 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 [dfff80000000000d] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 6459 Comm: syz-executor225 Not tainted 6.14.0-rc4-syzkaller-ge056da87c780 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : efivarfs_pm_notify+0xcc/0x350 fs/efivarfs/super.c:480 lr : efivarfs_pm_notify+0x8c/0x350 fs/efivarfs/super.c:477 sp : ffff80009ce07840 x29: ffff80009ce078e0 x28: 0000000000000000 x27: 1fffe00018a18a41 x26: dfff800000000000 x25: ffff7000139c0f08 x24: 0000000000000068 x23: ffff80009ce07868 x22: 0000000000000002 x21: ffff80009ce07860 x20: ffff80009ce07840 x19: ffff0000c50c5208 x18: ffff80009ce07280 x17: 000000000000ddcd x16: ffff8000832b5180 x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000002 x12: ffff0000c6908000 x11: ffff800082da5b60 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 000000000000000d x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000002 x0 : ffff0000c50c5228 Call trace: efivarfs_pm_notify+0xcc/0x350 fs/efivarfs/super.c:480 (P) notifier_call_chain+0x1c4/0x550 kernel/notifier.c:85 blocking_notifier_call_chain+0x70/0xa0 kernel/notifier.c:380 pm_notifier_call_chain+0x2c/0x3c kernel/power/main.c:109 snapshot_release+0x128/0x1b8 kernel/power/user.c:125 __fput+0x340/0x760 fs/file_table.c:464 ____fput+0x20/0x30 fs/file_table.c:492 task_work_run+0x230/0x2e0 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x4e8/0x1acc kernel/exit.c:938 do_group_exit+0x194/0x22c kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] pid_child_should_wake+0x0/0x1dc kernel/exit.c:1096 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: f940027c 9100a297 9101a398 d343ff08 (387a6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f940027c ldr x28, [x19] 4: 9100a297 add x23, x20, #0x28 8: 9101a398 add x24, x28, #0x68 c: d343ff08 lsr x8, x24, #3 * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction