syzbot

cgroup: Unknown subsys name 'net'
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4031 Comm: syz-executor Not tainted 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 : copy_mount_options fs/namespace.c:3246 [inline]
pc : __do_sys_mount fs/namespace.c:3571 [inline]
pc : __se_sys_mount fs/namespace.c:3553 [inline]
pc : __arm64_sys_mount+0x2f8/0x5e4 fs/namespace.c:3553
lr : copy_mount_options fs/namespace.c:3246 [inline]
lr : __do_sys_mount fs/namespace.c:3571 [inline]
lr : __se_sys_mount fs/namespace.c:3553 [inline]
lr : __arm64_sys_mount+0x2d4/0x5e4 fs/namespace.c:3553
sp : ffff80001f467c80
x29: ffff80001f467d20 x28: 00000000fffffff2 x27: 0000ffffe6742000
x26: ffff0000d9c41b40 x25: 0000000000000000 x24: 0000ffffe67411b1
x23: ffff0000da674000 x22: 0000000000000e4f x21: dfff800000000000
x20: 00000000fffffe4f x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000089653d8 x15: 0000ffffe67411b1
x14: 0000000000000000 x13: 1ffff0000283006b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000ffffe6742000
x8 : 0000ffffe6742000 x7 : ffff800008750ff8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 copy_mount_options fs/namespace.c:3246 [inline]
 __do_sys_mount fs/namespace.c:3571 [inline]
 __se_sys_mount fs/namespace.c:3553 [inline]
 __arm64_sys_mount+0x2f8/0x5e4 fs/namespace.c:3553
 __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 2a1903fc 2a1903e0 38400933 (2a1c03e1) 
---[ end trace 6ed905e14d77c65b ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1903fc 	mov	w28, w25
   8:	2a1903e0 	mov	w0, w25
   c:	38400933 	ldtrb	w19, [x9]
* 10:	2a1c03e1 	mov	w1, w28 <-- trapping instruction