Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4205 Comm: syz.0.13 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:3625 [inline]
pc : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline]
pc : __arm64_sys_get_robust_list+0x47c/0x4c8 kernel/futex/core.c:3594
lr : sign_extend64 include/linux/bitops.h:183 [inline]
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : __do_sys_get_robust_list kernel/futex/core.c:3625 [inline]
lr : __se_sys_get_robust_list kernel/futex/core.c:3594 [inline]
lr : __arm64_sys_get_robust_list+0x460/0x4c8 kernel/futex/core.c:3594
sp : ffff80001fcb7d20
x29: ffff80001fcb7d20 x28: ffff0000d6df51c0 x27: 000000200004c000
x26: 1fffe0001adbea3c x25: 0000ffffa37f0440 x24: 00000000200004c0
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000400040
x20: 0000000000000000 x19: 0000000000000001 x18: 1fffe00034218b96
x17: 1fffe00034218b96 x16: ffff8000083bed0c x15: ffff80001420eda0
x14: ffff0001a10c5cc0 x13: 1ffff0000282e06b x12: 0000000000080000
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000000000000000
x8 : 00000000fffffff2 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:3625 [inline]
 __se_sys_get_robust_list kernel/futex/core.c:3594 [inline]
 __arm64_sys_get_robust_list+0x47c/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: 9a9f02cb d503229f 2a1f03e8 f8000979 (93407d13) 
---[ end trace 9eccaa2c931809a0 ]---
----------------
Code disassembly (best guess):
   0:	9a9f02cb 	csel	x11, x22, xzr, eq	// eq = none
   4:	d503229f 	csdb
   8:	2a1f03e8 	mov	w8, wzr
   c:	f8000979 	sttr	x25, [x11]
* 10:	93407d13 	sxtw	x19, w8 <-- trapping instruction