syz-executor228[6082]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS sector size (4096) and media sector size (512). Unable to handle kernel paging request at virtual address dfff800000000004 KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] 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 [dfff800000000004] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6082 Comm: syz-executor228 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : attr_data_read_resident+0xb0/0x6a8 fs/ntfs3/attrib.c:1232 lr : attr_data_read_resident+0x8c/0x6a8 fs/ntfs3/attrib.c:1229 sp : ffff800096c57620 x29: ffff800096c57620 x28: 1ffff00012d8aee8 x27: ffff800096c57740 x26: dfff800000000000 x25: ffff800096c57730 x24: dfff800000000000 x23: ffff0000dc627600 x22: 1ffff00012d8aee6 x21: 0000000000000020 x20: ffff0000d591c108 x19: 0000000000000000 x18: ffff800096c57180 x17: 0000000000000001 x16: ffff80008026e1cc x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000004 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000080 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: attr_data_read_resident+0xb0/0x6a8 fs/ntfs3/attrib.c:1232 ntfs_get_block_vbo+0x2b0/0xc14 fs/ntfs3/inode.c:574 ntfs_get_block_bmap+0xa0/0xe0 fs/ntfs3/inode.c:688 generic_block_bmap+0x11c/0x1bc fs/buffer.c:2768 ntfs_bmap+0x30/0x40 fs/ntfs3/inode.c:695 bmap+0xa8/0xe8 fs/inode.c:1826 ioctl_fibmap fs/ioctl.c:77 [inline] file_ioctl fs/ioctl.c:328 [inline] do_vfs_ioctl+0x1ebc/0x2704 fs/ioctl.c:850 __do_sys_ioctl fs/ioctl.c:869 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:857 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: 128002a0 1400011e 91008275 d343fea8 (38786908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 128002a0 mov w0, #0xffffffea // #-22 4: 1400011e b 0x47c 8: 91008275 add x21, x19, #0x20 c: d343fea8 lsr x8, x21, #3 * 10: 38786908 ldrb w8, [x8, x24] <-- trapping instruction