------------[ cut here ]------------ WARNING: CPU: 1 PID: 16859 at net/core/dev.c:9453 dev_change_net_namespace.cold+0x11/0x18 net/core/dev.c:9453 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 16859 Comm: syz-executor.2 Not tainted 4.19.201-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+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:dev_change_net_namespace.cold+0x11/0x18 net/core/dev.c:9453 Code: e8 64 16 51 f9 48 c7 c7 60 8e 4c 89 45 31 e4 e8 7b 12 e2 ff e9 15 86 64 fe e8 4b 16 51 f9 48 c7 c7 c0 7c 4c 89 e8 65 12 e2 ff <0f> 0b e9 fc 8d 64 fe e8 33 16 51 f9 89 d9 4c 89 e2 48 c7 c6 c0 b4 RSP: 0018:ffff888041976d10 EFLAGS: 00010286 RAX: 0000000000000024 RBX: 00000000fffffff4 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dfd61 RDI: ffffed100832ed94 RBP: ffff88803d6d8540 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88803d6d85e8 R13: ffff88803d6d8af0 R14: ffffffff8ae25880 R15: 000000000000006a do_setlink+0x192/0x3540 net/core/rtnetlink.c:2354 rtnl_newlink+0xda9/0x15c0 net/core/rtnetlink.c:3077 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2457 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1911 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225 __sys_sendmsg net/socket.c:2263 [inline] __do_sys_sendmsg net/socket.c:2272 [inline] __se_sys_sendmsg net/socket.c:2270 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f233c460188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00007f233c4601d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd978618bf R14: 00007f233c460300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..