bond2 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 29996 at net/core/dev.c:8216 rollback_registered_many.cold+0x171/0x18f net/core/dev.c:8216 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 29996 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:rollback_registered_many.cold+0x171/0x18f net/core/dev.c:8216 Code: fe e8 95 d6 50 f9 48 c7 c7 c0 85 4c 89 e8 f4 07 e2 ff 0f 0b e9 2b fb 65 fe e8 7d d6 50 f9 48 c7 c7 c0 85 4c 89 e8 dc 07 e2 ff <0f> 0b e9 81 f9 65 fe 48 89 c7 48 89 44 24 08 e8 1d b6 86 f9 48 8b RSP: 0018:ffff88804c6cf498 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff88809fb48080 RCX: 0000000000000000 RDX: 00000000000399f0 RSI: ffffffff814dff01 RDI: ffffed10098d9e85 RBP: ffff88804c6cf6a8 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000b539fb01 R14: ffffffff843ffad0 R15: ffff88804c6cf560 unregister_netdevice_many.part.0+0x1a/0x300 net/core/dev.c:9324 unregister_netdevice_many+0x36/0x50 net/core/dev.c:9323 rtnl_delete_link net/core/rtnetlink.c:2760 [inline] rtnl_dellink+0x361/0x920 net/core/rtnetlink.c:2814 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 __sys_sendto+0x21a/0x320 net/socket.c:1899 __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9cfc5105a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9cfae84168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f9cfc631f80 RCX: 00007f9cfc5105a9 RDX: 0000000000010a73 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f9cfc56b580 R08: 0000000000000000 R09: 4b6ae4f95a5de35b R10: 0000000000000800 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf724d64f R14: 00007f9cfae84300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..