Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   61.486769][ T8478] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor921/8478
[   61.496206][ T8478] caller is lockdep_hardirqs_on_prepare+0x5e/0x410
[   61.502739][ T8478] CPU: 1 PID: 8478 Comm: syz-executor921 Not tainted 5.9.0-syzkaller #0
[   61.511140][ T8478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   61.521169][ T8478] Call Trace:
[   61.524443][ T8478]  dump_stack+0x107/0x163
[   61.528752][ T8478]  check_preemption_disabled+0x123/0x130
[   61.534369][ T8478]  lockdep_hardirqs_on_prepare+0x5e/0x410
[   61.540079][ T8478]  trace_hardirqs_on+0x5b/0x1c0
[   61.544930][ T8478]  __bad_area_nosemaphore+0xc6/0x400
[   61.550247][ T8478]  do_user_addr_fault+0x7d7/0xb40
[   61.555267][ T8478]  exc_page_fault+0x9e/0x180
[   61.559883][ T8478]  ? asm_exc_page_fault+0x8/0x30
[   61.564794][ T8478]  asm_exc_page_fault+0x1e/0x30
[   61.569629][ T8478] RIP: 0033:0x4241f0
[   61.573499][ T8478] Code: 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 89 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 74 48 83 e0 f0 <66> 0f 74 00 66 0f 74 48 10 66 0f 74 50 20 66 0f 74 58 30 66 0f d7
[   61.593084][ T8478] RSP: 002b:00007ffc0f3f3668 EFLAGS: 00010246
[   61.599131][ T8478] RAX: 0000000000000000 RBX: 00007ffc0f3f3690 RCX: 0000000000000000
[   61.607082][ T8478] RDX: 0000000000000010 RSI: 000000000000000f RDI: 0000000000000000
[   61.615047][ T8478] RBP: 0000000000000003 R08: 00000000ffffffff R09: 0000000000000000
[   61.622997][ T8478] R10: 0000000000000000 R11: 000000000000000f R12: 0000000000401d70
[   61.630948][ T8478] R13: 0000000000401e00 R14: 0000000000000000 R15: 0000000000000000
[   61.639614][ T8478] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor921/8478
[   61.649017][ T8478] caller is lockdep_hardirqs_on+0x38/0x110
[   61.654881][ T8478] CPU: 1 PID: 8478 Comm: syz-executor921 Not tainted 5.9.0-syzkaller #0
[   61.663217][ T8478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   61.673255][ T8478] Call Trace:
[   61.676540][ T8478]  dump_stack+0x107/0x163
[   61.680873][ T8478]  check_preemption_disabled+0x123/0x130
[   61.686492][ T8478]  ? __bad_area_nosemaphore+0xc6/0x400
[   61.691929][ T8478]  lockdep_hardirqs_on+0x38/0x110
[   61.696931][ T8478]  __bad_area_nosemaphore+0xc6/0x400
[   61.702203][ T8478]  do_user_addr_fault+0x7d7/0xb40
[   61.707218][ T8478]  exc_page_fault+0x9e/0x180
[   61.711800][ T8478]  ? asm_exc_page_fault+0x8/0x30
[   61.716715][ T8478]  asm_exc_page_fault+0x1e/0x30
[   61.721542][ T8478] RIP: 0033:0x4241f0
[   61.725422][ T8478] Code: 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 89 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 74 48 83 e0 f0 <66> 0f 74 00 66 0f 74 48 10 66 0f 74 50 20 66 0f 74 58 30 66 0f d7
[   61.745014][ T8478] RSP: 002b:00007ffc0f3f3668 EFLAGS: 00010246
[   61.751108][ T8478] RAX: 0000000000000000 RBX: 00007ffc0f3f3690 RCX: 0000000000000000
[   61.759055][ T8478] RDX: 0000000000000010 RSI: 000000000000000f RDI: 0000000000000000
[   61.767049][ T8478] RBP: 0000000000000003 R08: 00000000ffffffff R09: 0000000000000000
[   61.775000][ T8478] R10: 0000000000000000 R11: 000000000000000f R12: 0000000000401d70
[   61.782949][ T8478] R13: 0000000000401e00 R14: 00000000000