Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4159 Comm: syz.4.106 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 : setup_rt_frame arch/arm64/kernel/signal.c:-1 [inline]
pc : handle_signal arch/arm64/kernel/signal.c:833 [inline]
pc : do_signal arch/arm64/kernel/signal.c:908 [inline]
pc : do_notify_resume+0xad4/0x30a8 arch/arm64/kernel/signal.c:946
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : setup_rt_frame arch/arm64/kernel/signal.c:788 [inline]
lr : handle_signal arch/arm64/kernel/signal.c:833 [inline]
lr : do_signal arch/arm64/kernel/signal.c:908 [inline]
lr : do_notify_resume+0xab8/0x30a8 arch/arm64/kernel/signal.c:946
sp : ffff80001f3d7be0
x29: ffff80001f3d7e00 x28: ffff0000c85e8000 x27: dfff800000000000
x26: ffff80001f3d7eb0 x25: 0000000000000000 x24: ffff0000c85e8024
x23: ffff0000c85e8024 x22: 0000000000000001 x21: 0000000000000001
x20: 000000001fffee20 x19: 0000001fffee2000 x18: 0000000000000200
x17: 0000000000000000 x16: ffff800008041f30 x15: 0000000000000002
x14: 0000000000000009 x13: 1ffff0000287202b x12: 0000000097863b1e
x11: 00000000fffffff2 x10: 0000ffffffffffff x9 : 000000001fffee20
x8 : 000000001fffee20 x7 : ffff800008762580 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 setup_rt_frame arch/arm64/kernel/signal.c:788 [inline]
 handle_signal arch/arm64/kernel/signal.c:833 [inline]
 do_signal arch/arm64/kernel/signal.c:908 [inline]
 do_notify_resume+0xad4/0x30a8 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_da+0x10c/0x1ec arch/arm64/kernel/entry-common.c:495
 el0t_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:629
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 9a9f0289 d503229f 2a1f03eb f8000939 (b90067eb) 
---[ end trace 7b61e9e80f1d6944 ]---
----------------
Code disassembly (best guess):
   0:	9a9f0289 	csel	x9, x20, xzr, eq	// eq = none
   4:	d503229f 	csdb
   8:	2a1f03eb 	mov	w11, wzr
   c:	f8000939 	sttr	x25, [x9]
* 10:	b90067eb 	str	w11, [sp, #100] <-- trapping instruction