syzbot

Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4212 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 : groups_from_user kernel/groups.c:64 [inline]
pc : __do_sys_setgroups kernel/groups.c:198 [inline]
pc : __se_sys_setgroups kernel/groups.c:185 [inline]
pc : __arm64_sys_setgroups+0x294/0x568 kernel/groups.c:185
lr : groups_from_user kernel/groups.c:64 [inline]
lr : __do_sys_setgroups kernel/groups.c:198 [inline]
lr : __se_sys_setgroups kernel/groups.c:185 [inline]
lr : __arm64_sys_setgroups+0x270/0x568 kernel/groups.c:185
sp : ffff80001fe47ce0
x29: ffff80001fe47d20 x28: dfff800000000000 x27: 00000000fffffff2
x26: 0000000000000000 x25: 0000000020000200 x24: ffff0000d7fa0024
x23: 0000000000000000 x22: 0000002000020000 x21: 1fffe0001aff4004
x20: ffff0000d7fa0000 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800008222204 x15: 0000000000000000
x14: 00000000111b85b8 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000000020000200
x8 : 0000000020000200 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 groups_from_user kernel/groups.c:64 [inline]
 __do_sys_setgroups kernel/groups.c:198 [inline]
 __se_sys_setgroups kernel/groups.c:185 [inline]
 __arm64_sys_setgroups+0x294/0x568 kernel/groups.c:185
 __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: d503229f 2a1703fb 2a1703e0 b840093a (2a1b03e1) 
---[ end trace 3add36e2114d2a17 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1703fb 	mov	w27, w23
   8:	2a1703e0 	mov	w0, w23
   c:	b840093a 	ldtr	w26, [x9]
* 10:	2a1b03e1 	mov	w1, w27 <-- trapping instruction