syzbot

Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4240 Comm: syz.0.17 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 : __do_sys_sendfile64 fs/read_write.c:1312 [inline]
pc : __se_sys_sendfile64 fs/read_write.c:1303 [inline]
pc : __arm64_sys_sendfile64+0x2f8/0x3b0 fs/read_write.c:1303
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:239 [inline]
lr : __do_sys_sendfile64 fs/read_write.c:1312 [inline]
lr : __se_sys_sendfile64 fs/read_write.c:1303 [inline]
lr : __arm64_sys_sendfile64+0x2d8/0x3b0 fs/read_write.c:1303
sp : ffff80001fa57ca0
x29: ffff80001fa57d20 x28: 0000000020000000 x27: 1ffff00003f4af98
x26: dfff800000000000 x25: 0000000000000000 x24: ffff80001fa57cc0
x23: 000000000000db37 x22: ffff0000d7699b40 x21: 0000000000000001
x20: fffffffffffffff7 x19: 00000000fffffff2 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000088dc3f0 x15: 0000000020000000
x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000020000000
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 __do_sys_sendfile64 fs/read_write.c:1312 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __arm64_sys_sendfile64+0x2f8/0x3b0 fs/read_write.c:1303
 __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: 2a1f03f3 2a1f03e0 f94023e8 f8000928 (2a1303e1) 
---[ end trace 13555ec55cf0d56c ]---
----------------
Code disassembly (best guess):
   0:	2a1f03f3 	mov	w19, wzr
   4:	2a1f03e0 	mov	w0, wzr
   8:	f94023e8 	ldr	x8, [sp, #64]
   c:	f8000928 	sttr	x8, [x9]
* 10:	2a1303e1 	mov	w1, w19 <-- trapping instruction