------------[ cut here ]------------ WARNING: CPU: 0 PID: 17717 at drivers/net/ipvlan/ipvlan_l3s.c:148 ipvlan_unregister_nf_hook drivers/net/ipvlan/ipvlan_l3s.c:148 [inline] WARNING: CPU: 0 PID: 17717 at drivers/net/ipvlan/ipvlan_l3s.c:148 ipvlan_l3s_unregister+0x145/0x1d0 drivers/net/ipvlan/ipvlan_l3s.c:221 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 17717 Comm: syz-executor.3 Not tainted 5.8.0-rc3-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:235 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563 RIP: 0010:ipvlan_unregister_nf_hook drivers/net/ipvlan/ipvlan_l3s.c:148 [inline] RIP: 0010:ipvlan_l3s_unregister+0x145/0x1d0 drivers/net/ipvlan/ipvlan_l3s.c:221 Code: 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 92 94 dc fc 49 c7 06 00 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 0b 95 9d fc <0f> 0b eb c8 e8 02 95 9d fc c6 05 79 32 92 04 01 48 c7 c7 6c c6 e9 RSP: 0018:ffffc90019d57330 EFLAGS: 00010287 RAX: ffffffff84d6e705 RBX: 1ffff11013b08b98 RCX: 0000000000040000 RDX: ffffc9000f539000 RSI: 00000000000006d7 RDI: 00000000000006d8 RBP: 0000000000000000 R08: ffffffff84d6e68e R09: fffffbfff12da576 R10: fffffbfff12da576 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88809d845cc0 R14: ffff88804bd08000 R15: ffff888055fd6100 ipvlan_set_port_mode+0x33e/0x420 drivers/net/ipvlan/ipvlan_main.c:37 ipvlan_nl_changelink+0x18a/0x340 drivers/net/ipvlan/ipvlan_main.c:435 __rtnl_newlink net/core/rtnetlink.c:3255 [inline] rtnl_newlink+0x15e3/0x1bf0 net/core/rtnetlink.c:3397 rtnetlink_rcv_msg+0x889/0xd40 net/core/rtnetlink.c:5460 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2469 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1329 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x519/0x800 net/socket.c:2352 ___sys_sendmsg net/socket.c:2406 [inline] __sys_sendmsg+0x2b1/0x360 net/socket.c:2439 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cb29 Code: Bad RIP value. RSP: 002b:00007f7160e6cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000502760 RCX: 000000000045cb29 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a43 R14: 00000000004cd2a1 R15: 00007f7160e6d6d4 Kernel Offset: disabled Rebooting in 86400 seconds..