Unable to handle kernel paging request at virtual address dfff800000000000 KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] 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 [dfff800000000000] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6724 Comm: syz-executor.5 Not tainted 6.1.22-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ntfs_security_init+0x464/0x9f8 fs/ntfs3/fsntfs.c:1872 lr : resident_data_ex fs/ntfs3/ntfs.h:461 [inline] lr : ntfs_security_init+0x450/0x9f8 fs/ntfs3/fsntfs.c:1871 sp : ffff8000235176e0 x29: ffff8000235177e0 x28: dfff800000000000 x27: 0000000000000000 x26: ffff7000046a2ee4 x25: 0000000000000020 x24: 0000000000000040 x23: ffff0000d6674240 x22: 0000000000000000 x21: ffff00012a9e6990 x20: ffff00012a9e6740 x19: ffff00012571c000 x18: 1fffe000368b6b76 x17: ffff80001557d000 x16: ffff8000120905b8 x15: 0000000000000000 x14: 0000000000000002 x13: 0000000000000030 x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000217ba000 x9 : ffff800009662234 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000004 x3 : ffff80001252f6a0 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000020 Call trace: ntfs_security_init+0x464/0x9f8 fs/ntfs3/fsntfs.c:1872 ntfs_fill_super+0x35f4/0x3a04 fs/ntfs3/super.c:1238 get_tree_bdev+0x360/0x54c fs/super.c:1346 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1359 vfs_get_tree+0x90/0x274 fs/super.c:1553 do_new_mount+0x25c/0x8c8 fs/namespace.c:3040 path_mount+0x590/0xe58 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568 __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+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Code: 14000003 97ba53a5 8b1902f6 d343fec8 (38fc6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 14000003 b 0xc 4: 97ba53a5 bl 0xfffffffffee94e98 8: 8b1902f6 add x22, x23, x25 c: d343fec8 lsr x8, x22, #3 * 10: 38fc6908 ldrsb w8, [x8, x28] <-- trapping instruction