RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f2b9b4961d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffe2aba4d4f R14: 00007f2b9b496300 R15: 0000000000022000
------------[ cut here ]------------
WARNING: CPU: 1 PID: 19840 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: 19840 Comm: syz-executor.4 Not tainted 4.19.204-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 f2 22 51 f9 48 c7 c7 60 92 4c 89 45 31 e4 e8 79 12 e2 ff e9 b3 82 64 fe e8 d9 22 51 f9 48 c7 c7 c0 80 4c 89 e8 63 12 e2 ff <0f> 0b e9 9a 8a 64 fe e8 c1 22 51 f9 89 d9 4c 89 e2 48 c7 c6 c0 b8
RSP: 0018:ffff8880442ced10 EFLAGS: 00010286
RAX: 0000000000000024 RBX: 00000000fffffff4 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814e0d61 RDI: ffffed1008859d94
RBP: ffff88804b5ce0c0 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff88804b5ce168
R13: ffff88804b5ce670 R14: ffffffff8ae25a00 R15: 000000000000000d
 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:00007f2b9b496188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f2b9b4961d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffe2aba4d4f R14: 00007f2b9b496300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess):
   0:	e8 f2 22 51 f9       	callq  0xf95122f7
   5:	48 c7 c7 60 92 4c 89 	mov    $0xffffffff894c9260,%rdi
   c:	45 31 e4             	xor    %r12d,%r12d
   f:	e8 79 12 e2 ff       	callq  0xffe2128d
  14:	e9 b3 82 64 fe       	jmpq   0xfe6482cc
  19:	e8 d9 22 51 f9       	callq  0xf95122f7
  1e:	48 c7 c7 c0 80 4c 89 	mov    $0xffffffff894c80c0,%rdi
  25:	e8 63 12 e2 ff       	callq  0xffe2128d
  2a:	0f 0b                	ud2     <-- trapping instruction
  2c:	e9 9a 8a 64 fe       	jmpq   0xfe648acb
  31:	e8 c1 22 51 f9       	callq  0xf95122f7
  36:	89 d9                	mov    %ebx,%ecx
  38:	4c 89 e2             	mov    %r12,%rdx
  3b:	48                   	rex.W
  3c:	c7                   	.byte 0xc7
  3d:	c6 c0 b8             	mov    $0xb8,%al