bond55 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 13892 at net/core/dev.c:9304 rollback_registered_many+0xecd/0x1210 net/core/dev.c:9304 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 13892 Comm: syz-executor.5 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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x4a kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:rollback_registered_many+0xecd/0x1210 net/core/dev.c:9304 Code: 0a 1b 00 00 48 c7 c6 40 d7 fe 88 48 c7 c7 80 d7 fe 88 c6 05 b6 e1 71 04 01 e8 71 18 0a fb 0f 0b e9 13 fc ff ff e8 d3 14 39 fb <0f> 0b e9 ea fb ff ff e8 c7 14 39 fb 0f 0b e9 29 fc ff ff e8 3b 25 RSP: 0018:ffffc9000754f290 EFLAGS: 00010216 RAX: 000000000000f967 RBX: 00000000520f1001 RCX: ffffc90014183000 RDX: 0000000000040000 RSI: ffffffff863b37ad RDI: 0000000000000001 RBP: ffff888040815880 R08: 0000000000000000 R09: ffffffff8a7e4067 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88806b8c0000 R14: dffffc0000000000 R15: ffff888040815880 unregister_netdevice_many.part.0+0x1a/0x2f0 net/core/dev.c:10426 unregister_netdevice_many+0x36/0x50 net/core/dev.c:10425 rtnl_delete_link net/core/rtnetlink.c:3055 [inline] rtnl_dellink+0x34a/0xa60 net/core/rtnetlink.c:3107 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d239 Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fea91895c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002c0c0 RCX: 000000000045d239 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 000000000000000a RBP: 000000000118d160 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d12c R13: 00007ffc4ce230cf R14: 00007fea918969c0 R15: 000000000118d12c Kernel Offset: disabled Rebooting in 86400 seconds..