loop4: detected capacity change from 0 to 4096 Unable to handle kernel paging request at virtual address dfff800000000002 KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 27462 Comm: syz-executor.4 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ntfs_iget5+0x12c/0x2c18 fs/ntfs3/inode.c:519 lr : ntfs_iget5+0xf0/0x2c18 fs/ntfs3/inode.c:517 sp : ffff80002c697560 x29: ffff80002c6977a0 x28: ffff000138812000 x27: ffff8000127d2de0 x26: dfff800000000000 x25: ffff80002c6979b0 x24: ffff7000058d2ee0 x23: ffff000139d244b0 x22: 0000000000000002 x21: ffff000139e30830 x20: 0000000000000010 x19: ffff80002c697700 x18: ffff80002c697000 x17: ffff800015d6d000 x16: ffff800008301638 x15: 0000000000030fcc x14: 00000000ffffffff x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000002 x8 : 0000000000000002 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008aa6580 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ntfs_iget5+0x12c/0x2c18 fs/ntfs3/inode.c:519 ntfs_fill_super+0x1f54/0x3b9c fs/ntfs3/super.c:1044 get_tree_bdev+0x360/0x54c fs/super.c:1303 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1408 vfs_get_tree+0x90/0x274 fs/super.c:1510 do_new_mount+0x25c/0x8c8 fs/namespace.c:3042 path_mount+0x590/0xe04 fs/namespace.c:3372 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount fs/namespace.c:3571 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3571 __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/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: 97cabf7c f9400288 91004114 d343fe88 (38fa6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 97cabf7c bl 0xffffffffff2afdf0 4: f9400288 ldr x8, [x20] 8: 91004114 add x20, x8, #0x10 c: d343fe88 lsr x8, x20, #3 * 10: 38fa6908 ldrsb w8, [x8, x26] <-- trapping instruction