Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts.
executing program
[   40.073325][ T7022] IPVS: ftp: loaded support on port[0] = 21
[   40.104518][ T7022] netlink: 16 bytes leftover after parsing attributes in process `syz-executor061'.
[   40.147269][ T7022] ------------[ cut here ]------------
[   40.152788][ T7022] refcount_t: underflow; use-after-free.
[   40.159254][ T7022] WARNING: CPU: 0 PID: 7022 at lib/refcount.c:28 refcount_warn_saturate+0x15b/0x1a0
[   40.168647][ T7022] Kernel panic - not syncing: panic_on_warn set ...
[   40.175212][ T7022] CPU: 0 PID: 7022 Comm: syz-executor061 Not tainted 5.6.0-rc7-syzkaller #0
[   40.183851][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.193877][ T7022] Call Trace:
[   40.197144][ T7022]  dump_stack+0x1e9/0x30e
[   40.201451][ T7022]  panic+0x264/0x7a0
[   40.205319][ T7022]  ? __warn+0x102/0x210
[   40.209450][ T7022]  ? refcount_warn_saturate+0x15b/0x1a0
[   40.214970][ T7022]  __warn+0x209/0x210
[   40.218937][ T7022]  ? refcount_warn_saturate+0x15b/0x1a0
[   40.224564][ T7022]  report_bug+0x1ac/0x2d0
[   40.228875][ T7022]  do_error_trap+0xca/0x1c0
[   40.233365][ T7022]  do_invalid_op+0x32/0x40
[   40.237760][ T7022]  ? refcount_warn_saturate+0x15b/0x1a0
[   40.243280][ T7022]  invalid_op+0x23/0x30
[   40.247796][ T7022] RIP: 0010:refcount_warn_saturate+0x15b/0x1a0
[   40.253960][ T7022] Code: c7 24 02 d1 88 31 c0 e8 d3 e3 b2 fd 0f 0b eb 85 e8 5a 05 e0 fd c6 05 f0 41 b1 05 01 48 c7 c7 50 02 d1 88 31 c0 e8 b5 e3 b2 fd <0f> 0b e9 64 ff ff ff e8 39 05 e0 fd c6 05 d0 41 b1 05 01 48 c7 c7
[   40.273548][ T7022] RSP: 0018:ffffc90000ef7d98 EFLAGS: 00010246
[   40.279609][ T7022] RAX: 222b519431a56100 RBX: 0000000000000003 RCX: ffff888096966580
[   40.287553][ T7022] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[   40.295495][ T7022] RBP: 0000000000000003 R08: ffffffff815e07a6 R09: ffffed1015d06618
[   40.303441][ T7022] R10: ffffed1015d06618 R11: 0000000000000000 R12: ffff8880936ea040
[   40.311390][ T7022] R13: 0000000000000100 R14: ffff8880a9a7ddd0 R15: ffff8880936ea044
[   40.319362][ T7022]  ? vprintk_emit+0x2e6/0x3b0
[   40.324030][ T7022]  ? refcount_warn_saturate+0x15b/0x1a0
[   40.329557][ T7022]  free_nsproxy+0x343/0x3b0
[   40.334035][ T7022]  do_exit+0x5ea/0x1f80
[   40.338216][ T7022]  ? __up_read+0x1f1/0x6e0
[   40.342618][ T7022]  do_group_exit+0x15e/0x2c0
[   40.347184][ T7022]  ? trace_irq_disable_rcuidle+0x1f/0x1d0
[   40.352882][ T7022]  __do_sys_exit_group+0x13/0x20
[   40.357793][ T7022]  __se_sys_exit_group+0x10/0x10
[   40.362703][ T7022]  __x64_sys_exit_group+0x37/0x40
[   40.367700][ T7022]  do_syscall_64+0xf3/0x1b0
[   40.372179][ T7022]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   40.378042][ T7022] RIP: 0033:0x43f998
[   40.381914][ T7022] Code: Bad RIP value.
[   40.385951][ T7022] RSP: 002b:00007ffcbf313ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   40.394351][ T7022] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000043f998
[   40.402294][ T7022] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[   40.410238][ T7022] RBP: 00000000004bfa10 R08: 00000000000000e7 R09: ffffffffffffffd0
[   40.418179][ T7022] R10: 0000000120080522 R11: 0000000000000246 R12: 0000000000000001
[   40.426129][ T7022] R13: 00000000006d11c0 R14: 0000000000000000 R15: 0000000000000000
[   40.435561][ T7022] Kernel Offset: disabled
[   40.439940][ T7022] Rebooting in 86400 seconds..