loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) ntfs3: loop0: Mark volume as dirty due to NTFS errors Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4750 Comm: syz.0.15 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) pc : fault_in_readable+0x270/0x358 mm/gup.c:1801 lr : fault_in_readable+0x24c/0x358 mm/gup.c:1801 sp : ffff80001f9b77f0 x29: ffff80001f9b7810 x28: dfff800000000000 x27: 0000002000100000 x26: 0000000020002000 x25: 0000000020001000 x24: 0000000020001000 x23: 00000000fffffff2 x22: ffff80001152be00 x21: 0000000000000000 x20: 0000000000000000 x19: 0000000020001000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000087451cc x15: 000000000004ffff x14: 0000000000000001 x13: 1ffff0000287202b x12: 000000003a7906a8 x11: ff808000087451a8 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000020001000 x7 : ffff800008762580 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: fault_in_readable+0x270/0x358 mm/gup.c:1801 fault_in_iov_iter_readable+0x128/0x258 lib/iov_iter.c:460 generic_perform_write+0x14c/0x490 mm/filemap.c:3775 __generic_file_write_iter+0x23c/0x44c mm/filemap.c:3912 ntfs_file_write_iter+0x418/0x4a8 fs/ntfs3/file.c:1151 call_write_iter include/linux/fs.h:2173 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x590/0xa64 fs/read_write.c:594 ksys_write+0x12c/0x228 fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x28c arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 381f43b5 2a1503f7 2a1503e0 38400909 (381f43a9) ---[ end trace cae7df08e9f891ae ]--- ---------------- Code disassembly (best guess): 0: 381f43b5 sturb w21, [x29, #-12] 4: 2a1503f7 mov w23, w21 8: 2a1503e0 mov w0, w21 c: 38400909 ldtrb w9, [x8] * 10: 381f43a9 sturb w9, [x29, #-12] <-- trapping instruction