option from the mount to silence this warning. ======================================================= XFS (loop0): Mounting V5 Filesystem XFS (loop0): Ending clean mount Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5073 Comm: syz.0.15 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) pc : fault_in_readable+0x26c/0x354 mm/gup.c:1801 lr : fault_in_readable+0x248/0x354 mm/gup.c:1801 sp : ffff80001fec7650 x29: ffff80001fec7670 x28: 000000207ad00000 x27: 00000000207ae000 x26: 00000000207ad000 x25: 00000000207ad000 x24: 00000000fffffff2 x23: 1fffe00019bed368 x22: ffff0000cdf69b40 x21: 0000000000000000 x20: 00000000207ad000 x19: dfff800000000000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000087340cc x15: 00000000207ac000 x14: 0000000000000000 x13: 1ffff0000283006b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : 00000000207ad000 x7 : ffff80000875120c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: fault_in_readable+0x26c/0x354 mm/gup.c:1801 fault_in_iov_iter_readable+0x120/0x248 lib/iov_iter.c:460 iomap_write_iter fs/iomap/buffered-io.c:761 [inline] iomap_file_buffered_write+0x1fc/0x4f0 fs/iomap/buffered-io.c:815 xfs_file_buffered_write+0x320/0x99c fs/xfs/xfs_file.c:753 xfs_file_write_iter+0x2b0/0x5fc fs/xfs/xfs_file.c:833 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x7c8/0xa2c fs/read_write.c:594 ksys_write+0x120/0x210 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 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 2a1503f8 2a1503e0 38400909 (381f43a9) ---[ end trace 55b56e1b57dd287d ]--- ---------------- Code disassembly (best guess): 0: 381f43b5 sturb w21, [x29, #-12] 4: 2a1503f8 mov w24, w21 8: 2a1503e0 mov w0, w21 c: 38400909 ldtrb w9, [x8] * 10: 381f43a9 sturb w9, [x29, #-12] <-- trapping instruction