[[0;32m OK [0m] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.101' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.184847][ T6819] IPVS: ftp: loaded support on port[0] = 21 [ 59.221094][ T6819] netlink: 24 bytes leftover after parsing attributes in process `syz-executor677'. [ 59.271621][ T6819] device veth1 entered promiscuous mode [ 59.312864][ C1] ------------[ cut here ]------------ [ 59.312869][ C1] WARNING: CPU: 1 PID: 6819 at net/core/dev.c:8992 rollback_registered_many+0xbdb/0xf60 [ 59.312872][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 59.312875][ C1] CPU: 1 PID: 6819 Comm: syz-executor677 Not tainted 5.8.0-rc2-syzkaller #0 [ 59.312882][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.312884][ C1] Call Trace: [ 59.312886][ C1] dump_stack+0x18f/0x20d [ 59.312888][ C1] panic+0x2e3/0x75c [ 59.312889][ C1] ? __warn_printk+0xf3/0xf3 [ 59.312891][ C1] ? printk+0xba/0xed [ 59.312893][ C1] ? log_store.cold+0x16/0x16 [ 59.312895][ C1] ? __warn.cold+0x5/0x45 [ 59.312897][ C1] ? __warn+0xd6/0x1f2 [ 59.312899][ C1] ? rollback_registered_many+0xbdb/0xf60 [ 59.312901][ C1] __warn.cold+0x20/0x45 [ 59.312903][ C1] ? rollback_registered_many+0xbdb/0xf60 [ 59.312905][ C1] report_bug+0x1bd/0x210 [ 59.312907][ C1] exc_invalid_op+0x24d/0x400 [ 59.312909][ C1] ? exc_overflow+0x40/0x40 [ 59.312911][ C1] ? mark_lock+0xbc/0x1710 [ 59.312913][ C1] asm_exc_invalid_op+0x12/0x20 [ 59.312916][ C1] RIP: 0010:rollback_registered_many+0xbdb/0xf60 [ 59.312923][ C1] Code: 00 00 31 f6 4c 89 f7 e8 f3 d9 fc ff e9 4f fe ff ff 4c 89 e7 e9 48 fd ff ff e8 e1 56 3e fb 0f 0b e9 da fd ff ff e8 d5 56 3e fb <0f> 0b e9 18 fe ff ff e8 c9 56 3e fb 0f b6 2d 2e 58 74 04 31 ff 89 [ 59.312926][ C1] RSP: 0018:ffffc900017c6f48 EFLAGS: 00010293 [ 59.312930][ C1] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff8634f805 [ 59.312934][ C1] RDX: ffff88809887c240 RSI: ffffffff8634fa1b RDI: 0000000000000005 [ 59.312937][ C1] RBP: ffff8880969240b8 R08: 0000000000000000 R09: ffffffff8a7b0407 [ 59.312940][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888096170780 [ 59.312943][ C1] R13: 0000000000034960 R14: ffff888096924000 R15: 0000000000000000 [ 59.312946][ C1] ? rollback_registered_many+0x9c5/0xf60 [ 59.312948][ C1] ? rollback_registered_many+0xbdb/0xf60 [ 59.312950][ C1] ? rollback_registered_many+0xbdb/0xf60 [ 59.312952][ C1] ? dev_xdp_uninstall+0x3f0/0x3f0 [ 59.312955][ C1] ? dev_set_mtu_ext+0x590/0x590 [ 59.312957][ C1] unregister_netdevice_queue+0x2dd/0x570 [ 59.312959][ C1] ? unregister_netdevice_many+0x50/0x50 [ 59.312961][ C1] ? hsr_add_port+0x4f3/0x790 [ 59.312963][ C1] hsr_dev_finalize+0x5ce/0x746 [ 59.312965][ C1] hsr_newlink+0x27c/0x520 [ 59.312967][ C1] ? hsr_dellink+0x70/0x70 [ 59.312972][ C1] ? rtnl_create_link+0x184/0xad0 [ 59.312974][ C1] ? hsr_dellink+0x70/0x70 [ 59.312976][ C1] __rtnl_newlink+0x1090/0x1730 [ 59.312978][ C1] ? rtnl_setlink+0x3c0/0x3c0 [ 59.312980][ C1] ? lock_downgrade+0x820/0x820 [ 59.312982][ C1] ? check_preemption_disabled+0x38/0x220 [ 59.312984][ C1] ? is_bpf_text_address+0xcb/0x160 [ 59.312987][ C1] ? kernel_text_address+0xbd/0xf0 [ 59.312989][ C1] ? __kernel_text_address+0x9/0x30 [ 59.312991][ C1] ? unwind_get_return_address+0x51/0x90 [ 59.312993][ C1] ? profile_setup.cold+0xc1/0xc1 [ 59.312995][ C1] ? arch_stack_walk+0x97/0xf0 [ 59.312997][ C1] ? stack_trace_save+0x8c/0xc0 [ 59.313000][ C1] ? stack_trace_consume_entry+0x160/0x160 [ 59.313001][ C1] ? mark_lock+0xbc/0x1710 [ 59.313003][ C1] ? trace_kmalloc+0xfd/0x130 [ 59.313006][ C1] ? kmem_cache_alloc_trace+0x168/0x2d0 [ 59.313008][ C1] rtnl_newlink+0x64/0xa0 [ 59.313010][ C1] ? __rtnl_newlink+0x1730/0x1730 [ 59.313012][ C1] rtnetlink_rcv_msg+0x44e/0xad0 [ 59.313014][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 59.313016][ C1] ? lock_acquire+0x1f1/0xad0 [ 59.313021][ C1] ? netlink_deliver_tap+0x146/0xb70 [ 59.313023][ C1] netlink_rcv_skb+0x15a/0x430 [ 59.313025][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 59.313027][ C1] ? netlink_ack+0xa10/0xa10 [ 59.313029][ C1] netlink_unicast+0x533/0x7d0 [ 59.313031][ C1] ? netlink_attachskb+0x810/0x810 [ 59.313033][ C1] ? _copy_from_iter_full+0x247/0x890 [ 59.313035][ C1] ? __phys_addr+0x9a/0x110 [ 59.313037][ C1] ? __phys_addr_symbol+0x2c/0x70 [ 59.313040][ C1] ? __check_object_size+0x171/0x3e4 [ 59.313042][ C1] netlink_sendmsg+0x856/0xd90 [ 59.313044][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 59.313046][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 59.313048][ C1] sock_sendmsg+0xcf/0x120 [ 59.313050][ C1] ____sys_sendmsg+0x6e8/0x810 [ 59.313051][ C1] ? kernel_sendmsg+0x50/0x50 [ 59.313053][ C1] ? do_recvmmsg+0x6d0/0x6d0 [ 59.313056][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.313058][ C1] ? find_held_lock+0x2d/0x110 [ 59.313060][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.313062][ C1] ? __wake_up_common_lock+0xde/0x130 [ 59.313064][ C1] ___sys_sendmsg+0xf3/0x170 [ 59.313067][ C1] ? sendmsg_copy_msghdr+0x160/0x160 [ 59.313069][ C1] ? lock_downgrade+0x820/0x820 [ 59.313071][ C1] ? __might_fault+0x190/0x1d0 [ 59.313073][ C1] ? _copy_to_user+0x126/0x160 [ 59.313075][ C1] ? move_addr_to_user+0xb5/0x200 [ 59.313077][ C1] ? __fget_light+0x215/0x280 [ 59.313078][ C1] __sys_sendmsg+0xe5/0x1b0 [ 59.313081][ C1] ? __sys_sendmsg_sock+0xb0/0xb0 [ 59.313083][ C1] ? do_fast_syscall_32+0x40/0x120 [ 59.313085][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.313087][ C1] do_syscall_32_irqs_on+0x3f/0x60 [ 59.313090][ C1] do_fast_syscall_32+0x7f/0x120 [ 59.313092][ C1] entry_SYSENTER_compat+0x6d/0x7c [ 59.313093][ C1] RIP: 0023:0xf7f88569 [ 59.313095][ C1] Code: Bad RIP value. [ 59.313098][ C1] RSP: 002b:00000000ff88c44c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 59.313103][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 59.313109][ C1] RDX: 0000000000000000 RSI: 00000000080d6fe0 RDI: 00000000080ecfc4 [ 59.313112][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.313115][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 59.313118][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 59.314649][ C1] Kernel Offset: disabled