syzbot

Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4245 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_get_robust_list kernel/futex/core.c:3623 [inline]
pc : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline]
pc : __arm64_sys_get_robust_list+0x39c/0x4c8 kernel/futex/core.c:3594
lr : __do_sys_get_robust_list kernel/futex/core.c:3623 [inline]
lr : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline]
lr : __arm64_sys_get_robust_list+0x374/0x4c8 kernel/futex/core.c:3594
sp : ffff80001fda7d20
x29: ffff80001fda7d20 x28: ffff0000d7b88000 x27: 0000000000000000
x26: 1fffe0001af71004 x25: 0000ffff9518b440 x24: 0000000000000000
x23: dfff800000000000 x22: 0000000000000000 x21: 00000000fffffff2
x20: ffff0000d7b88024 x19: ffff0000d7b88000 x18: 0000000000000000
x17: ffff800016d04000 x16: ffff8000083bec2c x15: ffff8000167e4500
x14: ffff0000d7b88a00 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000018 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 __do_sys_get_robust_list kernel/futex/core.c:3623 [inline]
 __se_sys_get_robust_list kernel/futex/core.c:3594 [inline]
 __arm64_sys_get_robust_list+0x39c/0x4c8 kernel/futex/core.c:3594
 __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: 2a1f03f5 2a1f03e0 52800308 f8000948 (2a1503e1) 
---[ end trace 4adcf882807b3455 ]---
----------------
Code disassembly (best guess):
   0:	2a1f03f5 	mov	w21, wzr
   4:	2a1f03e0 	mov	w0, wzr
   8:	52800308 	mov	w8, #0x18                  	// #24
   c:	f8000948 	sttr	x8, [x10]
* 10:	2a1503e1 	mov	w1, w21 <-- trapping instruction