memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5926 'syz-executor411' loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) ntfs3: loop0: Mark volume as dirty due to NTFS errors 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: 1 PID: 5926 Comm: syz-executor411 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ntfs_security_init+0x464/0x9f8 fs/ntfs3/fsntfs.c:1898 lr : resident_data_ex fs/ntfs3/ntfs.h:460 [inline] lr : ntfs_security_init+0x450/0x9f8 fs/ntfs3/fsntfs.c:1897 sp : ffff80001e5476a0 x29: ffff80001e5477a0 x28: dfff800000000000 x27: 0000000000000000 x26: ffff700003ca8edc x25: 0000000000000020 x24: 0000000000000040 x23: ffff0000c1f4d238 x22: 0000000000000000 x21: ffff0000def444b0 x20: ffff0000def44260 x19: ffff0000dbfa0000 x18: ffff80001e546c60 x17: ffff800015d6d000 x16: ffff800012324890 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000013 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000004 x3 : ffff8000127d31a0 x2 : 0000000000000008 x1 : 0000000000000007 x0 : 0000000000000020 Call trace: ntfs_security_init+0x464/0x9f8 fs/ntfs3/fsntfs.c:1898 ntfs_fill_super+0x37b0/0x3b9c fs/ntfs3/super.c:1287 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: 14000003 97b9e8eb 8b1902f6 d343fec8 (38fc6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 14000003 b 0xc 4: 97b9e8eb bl 0xfffffffffee7a3b0 8: 8b1902f6 add x22, x23, x25 c: d343fec8 lsr x8, x22, #3 * 10: 38fc6908 ldrsb w8, [x8, x28] <-- trapping instruction