Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4702 Comm: syz.0.17 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 : get_futex_value_locked kernel/futex/core.c:793 [inline]
pc : futex_lock_pi_atomic+0x170/0xf30 kernel/futex/core.c:1429
lr : get_futex_value_locked kernel/futex/core.c:790 [inline]
lr : futex_lock_pi_atomic+0x148/0xf30 kernel/futex/core.c:1429
sp : ffff80001ff27550
x29: ffff80001ff275c0 x28: dfff800000000000 x27: 0000000000000000
x26: ffff0000c0d3a980 x25: 00000000fffffff2 x24: 0000000000000000
x23: ffff80001ff277b8 x22: ffff0000cb0151c0 x21: ffff80001ff277d0
x20: ffff0000cb016708 x19: 0000000000000000 x18: 0000000000000000
x17: ffff80000805b3d0 x16: ffff8000083d180c x15: ffff80000805b800
x14: ffff700003fe4ea4 x13: 1ffff0000287202b x12: 0000000056c9916c
x11: ff808000083d17e4 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000ffffffffffff x7 : ffff8000082079e8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 get_futex_value_locked kernel/futex/core.c:790 [inline]
 futex_lock_pi_atomic+0x170/0xf30 kernel/futex/core.c:1429
 futex_lock_pi+0x308/0x8bc kernel/futex/core.c:3055
 do_futex+0xb30/0x255c kernel/futex/core.c:-1
 __do_sys_futex kernel/futex/core.c:4060 [inline]
 __se_sys_futex kernel/futex/core.c:4041 [inline]
 __arm64_sys_futex+0x3a0/0x424 kernel/futex/core.c:4041
 __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: ea28031f 9a9f0149 d503229f b8400933 (2a1903e1) 
---[ end trace f34d7491ea6c006a ]---
----------------
Code disassembly (best guess):
   0:	ea28031f 	bics	xzr, x24, x8
   4:	9a9f0149 	csel	x9, x10, xzr, eq	// eq = none
   8:	d503229f 	csdb
   c:	b8400933 	ldtr	w19, [x9]
* 10:	2a1903e1 	mov	w1, w25 <-- trapping instruction