bond1 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9217 at net/core/dev.c:9304 rollback_registered_many+0x1102/0x1380 net/core/dev.c:9304 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9217 Comm: syz-executor387 Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1f0/0x31e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:234 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:rollback_registered_many+0x1102/0x1380 net/core/dev.c:9304 Code: 80 3c 28 00 74 08 4c 89 e7 e8 fa 4b 40 fb 4d 8b 24 24 4d 39 fc 0f 84 09 01 00 00 e8 98 77 00 fb e9 83 f6 ff ff e8 8e 77 00 fb <0f> 0b e9 35 ff ff ff e8 82 77 00 fb 0f 0b eb 88 e8 79 77 00 fb c6 RSP: 0018:ffffc9000bfc74c0 EFLAGS: 00010293 RAX: ffffffff867482d2 RBX: ffff8880936e40a8 RCX: ffff8880961cc380 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff8880a798b890 R08: ffffffff867481c5 R09: fffffbfff12faa07 R10: fffffbfff12faa07 R11: 0000000000000000 R12: ffff8880936e4068 R13: dffffc0000000000 R14: ffff8880936e4000 R15: ffffc9000bfc77b0 unregister_netdevice_many+0x46/0x260 net/core/dev.c:10426 rtnl_delete_link net/core/rtnetlink.c:3055 [inline] rtnl_dellink+0x3f2/0x9f0 net/core/rtnetlink.c:3107 rtnetlink_rcv_msg+0x889/0xd40 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1330 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg net/socket.c:671 [inline] ____sys_sendmsg+0x519/0x800 net/socket.c:2353 ___sys_sendmsg net/socket.c:2407 [inline] __sys_sendmsg+0x2b1/0x360 net/socket.c:2440 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x449f09 Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f886d66dd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006dfc88 RCX: 0000000000449f09 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000009 RBP: 00000000006dfc80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dfc8c R13: 0000000000000000 R14: 0000000000000000 R15: 068500100000003c Kernel Offset: disabled Rebooting in 86400 seconds..