Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   72.488087][ T8489] IPVS: ftp: loaded support on port[0] = 21
[   72.530212][ T8511] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor368/8511
[   72.539805][ T8511] caller is lockdep_hardirqs_on_prepare+0x5e/0x410
[   72.546712][ T8511] CPU: 0 PID: 8511 Comm: syz-executor368 Not tainted 5.9.0-syzkaller #0
[   72.555029][ T8511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   72.565077][ T8511] Call Trace:
[   72.568351][ T8511]  dump_stack+0x107/0x163
[   72.572688][ T8511]  check_preemption_disabled+0x123/0x130
[   72.578324][ T8511]  lockdep_hardirqs_on_prepare+0x5e/0x410
[   72.584028][ T8511]  trace_hardirqs_on+0x5b/0x1c0
[   72.588862][ T8511]  __bad_area_nosemaphore+0xc6/0x400
[   72.594161][ T8511]  do_user_addr_fault+0x7d7/0xb40
[   72.599195][ T8511]  exc_page_fault+0x9e/0x180
[   72.603787][ T8511]  ? asm_exc_page_fault+0x8/0x30
[   72.608705][ T8511]  asm_exc_page_fault+0x1e/0x30
[   72.613554][ T8511] RIP: 0033:0x401248
[   72.617453][ T8511] Code: 03 0f 85 63 0a 00 00 64 f0 83 04 25 d0 ff ff ff 01 64 48 8b 3c 25 00 00 00 00 48 81 c7 08 ff ff ff e8 9c 34 01 00 85 c0 75 08 <c6> 04 25 80 00 00 20 aa 64 f0 83 2c 25 d0 ff ff ff 01 64 f0 83 04
[   72.637061][ T8511] RSP: 002b:00007f7233fedcc0 EFLAGS: 00010246
[   72.643217][ T8511] RAX: 0000000000000000 RBX: 00000000006dcc38 RCX: 0000000000446d29
[   72.651178][ T8511] RDX: 7f0dca98518ab730 RSI: 0000000000000000 RDI: 00007f7233fee608
[   72.659133][ T8511] RBP: 00000000006dcc30 R08: 0000000000000000 R09: 0000000000000000
[   72.667089][ T8511] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc3c
[   72.675139][ T8511] R13: 00007fff0249348f R14: 00007f7233fee9c0 R15: 00000000006dcc3c
[   72.683598][ T8511] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor368/8511
[   72.692974][ T8511] caller is lockdep_hardirqs_on+0x38/0x110
[   72.698870][ T8511] CPU: 0 PID: 8511 Comm: syz-executor368 Not tainted 5.9.0-syzkaller #0
[   72.707195][ T8511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   72.717234][ T8511] Call Trace:
[   72.720528][ T8511]  dump_stack+0x107/0x163
[   72.724855][ T8511]  check_preemption_disabled+0x123/0x130
[   72.730471][ T8511]  ? __bad_area_nosemaphore+0xc6/0x400
[   72.735930][ T8511]  lockdep_hardirqs_on+0x38/0x110
[   72.740943][ T8511]  __bad_area_nosemaphore+0xc6/0x400
[   72.746243][ T8511]  do_user_addr_fault+0x7d7/0xb40
[   72.751258][ T8511]  exc_page_fault+0x9e/0x180
[   72.755841][ T8511]  ? asm_exc_page_fault+0x8/0x30
[   72.760774][ T8511]  asm_exc_page_fault+0x1e/0x30
[   72.765605][ T8511] RIP: 0033:0x401248
[   72.769481][ T8511] Code: 03 0f 85 63 0a 00 00 64 f0 83 04 25 d0 ff ff ff 01 64 48 8b 3c 25 00 00 00 00 48 81 c7 08 ff ff ff e8 9c 34 01 00 85 c0 75 08 <c6> 04 25 80 00 00 20 aa 64 f0 83 2c 25 d0 ff ff ff 01 64 f0 83 04
[   72.789072][ T8511] RSP: 002b:00007f7233fedcc0 EFLAGS: 00010246
[   72.795130][ T8511] RAX: 0000000000000000 RBX: 00000000006dcc38 RCX: 0000000000446d29
[   72.803096][ T8511] RDX: 7f0dca98518ab730 RSI: 0000000000000000 RDI: 00007f7233fee608
[   72.811089][ T8511] RBP: 00000000006dcc30 R08: 0000000000000000 R09: 0000000000000000
[   72.819066][ T8511] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc3c
[   72.827034][ T8511] R13: 00007fff0249348f R14: 000