Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4217 Comm: syz.2.14 Not tainted 5.15.189-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_writeable+0x254/0x324 mm/gup.c:1721 lr : fault_in_writeable+0x234/0x324 mm/gup.c:1721 sp : ffff80001fdd79b0 x29: ffff80001fdd79c0 x28: 0000002100000000 x27: 0000000021002000 x26: 0000000021000000 x25: 0000000021000000 x24: 00000000fffffff2 x23: 1fffe0001aee5a38 x22: ffff0000d772d1c0 x21: 0000000000000000 x20: 0000000021000000 x19: dfff800000000000 x18: 0000000000000000 x17: 0000000000000002 x16: ffff800008733858 x15: 00000000ffffffef x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000002 x9 : 0000ffffffffffff x8 : 0000000021000000 x7 : ffff800008750ed4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: fault_in_writeable+0x254/0x324 mm/gup.c:1721 search_ioctl+0x348/0x4d8 fs/btrfs/ioctl.c:2278 btrfs_ioctl_tree_search_v2+0x244/0x4f8 fs/btrfs/ioctl.c:2362 btrfs_ioctl+0x2c4/0xb38 fs/btrfs/ioctl.c:4975 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __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: d503229f 2a1503f8 2a1503e0 38000915 (2a1803e1) ---[ end trace dcc0288010c46f9d ]--- ---------------- Code disassembly (best guess): 0: d503229f csdb 4: 2a1503f8 mov w24, w21 8: 2a1503e0 mov w0, w21 c: 38000915 sttrb w21, [x8] * 10: 2a1803e1 mov w1, w24 <-- trapping instruction