Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.994470][ T6796] IPVS: ftp: loaded support on port[0] = 21 [ 42.031399][ T6796] netlink: 24 bytes leftover after parsing attributes in process `syz-executor113'. [ 42.085169][ T6796] device veth1 entered promiscuous mode [ 42.125528][ T6796] ------------[ cut here ]------------ [ 42.131762][ T6796] WARNING: CPU: 1 PID: 6796 at net/core/dev.c:8992 rollback_registered_many+0x1146/0x14a0 [ 42.142330][ T6796] Kernel panic - not syncing: panic_on_warn set ... [ 42.149253][ T6796] CPU: 1 PID: 6796 Comm: syz-executor113 Not tainted 5.8.0-rc3-syzkaller #0 [ 42.158380][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.169485][ T6796] Call Trace: [ 42.172928][ T6796] dump_stack+0x1f0/0x31e [ 42.177353][ T6796] panic+0x264/0x7a0 [ 42.181563][ T6796] ? __warn+0x102/0x250 [ 42.185940][ T6796] ? rollback_registered_many+0x1146/0x14a0 [ 42.192749][ T6796] ? rollback_registered_many+0x1146/0x14a0 [ 42.198982][ T6796] __warn+0x227/0x250 [ 42.203674][ T6796] ? rollback_registered_many+0x1146/0x14a0 [ 42.209886][ T6796] report_bug+0x1b1/0x2e0 [ 42.214361][ T6796] handle_bug+0x42/0x80 [ 42.218657][ T6796] exc_invalid_op+0x16/0x40 [ 42.223633][ T6796] asm_exc_invalid_op+0x12/0x20 [ 42.229093][ T6796] RIP: 0010:rollback_registered_many+0x1146/0x14a0 [ 42.235897][ T6796] Code: 4c 8d bc 24 90 00 00 00 e9 97 f6 ff ff e8 42 cd 07 fb 0f 0b e9 e9 f6 ff ff e8 36 cd 07 fb 0f 0b e9 1c ff ff ff e8 2a cd 07 fb <0f> 0b e9 70 ff ff ff e8 1e cd 07 fb 0f 0b e9 fc f7 ff ff e8 12 cd [ 42.257184][ T6796] RSP: 0018:ffffc90000eb71d8 EFLAGS: 00010293 [ 42.264874][ T6796] RAX: ffffffff866cae26 RBX: ffff888093efe0b8 RCX: ffff8880937a8000 [ 42.274011][ T6796] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 42.282640][ T6796] RBP: ffff888093efe010 R08: ffffffff866cad4d R09: fffffbfff12b74c1 [ 42.291713][ T6796] R10: fffffbfff12b74c1 R11: 0000000000000000 R12: dead000000000122 [ 42.300600][ T6796] R13: dffffc0000000000 R14: ffff888093efe068 R15: ffffc90000eb72d0 [ 42.309316][ T6796] ? rollback_registered_many+0x106d/0x14a0 [ 42.315553][ T6796] ? rollback_registered_many+0x1146/0x14a0 [ 42.321699][ T6796] ? rollback_registered_many+0x1146/0x14a0 [ 42.328556][ T6796] unregister_netdevice_queue+0x2f3/0x4b0 [ 42.334638][ T6796] hsr_dev_finalize+0x4d4/0x6d0 [ 42.340268][ T6796] hsr_newlink+0x410/0x4c0 [ 42.344932][ T6796] rtnl_newlink+0x143e/0x1bf0 [ 42.349599][ T6796] ? __lock_acquire+0x116c/0x2c30 [ 42.354631][ T6796] ? __mutex_lock_common+0x582/0x2fc0 [ 42.360132][ T6796] ? trace_lock_release+0x137/0x1a0 [ 42.365676][ T6796] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 42.372362][ T6796] ? lock_is_held_type+0x87/0xe0 [ 42.378662][ T6796] ? rtnl_setlink+0x490/0x490 [ 42.384282][ T6796] rtnetlink_rcv_msg+0x889/0xd40 [ 42.389549][ T6796] ? lock_acquire+0x160/0x720 [ 42.394517][ T6796] ? rcu_lock_acquire+0x5/0x30 [ 42.400514][ T6796] netlink_rcv_skb+0x190/0x3a0 [ 42.405295][ T6796] ? rtnetlink_bind+0x80/0x80 [ 42.410313][ T6796] netlink_unicast+0x786/0x940 [ 42.415887][ T6796] netlink_sendmsg+0xa57/0xd70 [ 42.421046][ T6796] ? netlink_getsockopt+0x9e0/0x9e0 [ 42.426860][ T6796] ____sys_sendmsg+0x519/0x800 [ 42.431947][ T6796] ? import_iovec+0x12a/0x2c0 [ 42.437075][ T6796] __sys_sendmsg+0x2b1/0x360 [ 42.442386][ T6796] ? _copy_to_user+0x100/0x140 [ 42.447887][ T6796] ? move_addr_to_user+0x17e/0x1e0 [ 42.453332][ T6796] ? __sys_getsockname+0x1e2/0x220 [ 42.458702][ T6796] ? check_preemption_disabled+0x51/0x140 [ 42.465037][ T6796] ? lock_is_held_type+0x87/0xe0 [ 42.470382][ T6796] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.476754][ T6796] do_syscall_64+0x73/0xe0 [ 42.482124][ T6796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.488796][ T6796] RIP: 0033:0x440e29 [ 42.493881][ T6796] Code: Bad RIP value. [ 42.499096][ T6796] RSP: 002b:00007ffcbc6ca2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.507884][ T6796] RAX: ffffffffffffffda RBX: 00000000004a25f0 RCX: 0000000000440e29 [ 42.518961][ T6796] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 42.527654][ T6796] RBP: 00007ffcbc6ca2f0 R08: 0000000120080522 R09: 0000000120080522 [ 42.536420][ T6796] R10: 0000000120080522 R11: 0000000000000246 R12: 00000000004a25f0 [ 42.545143][ T6796] R13: 00000000004023c0 R14: 0000000000000000 R15: 0000000000000000 [ 42.557099][ T6796] Kernel Offset: disabled [ 42.562257][ T6796] Rebooting in 86400 seconds..