------------[ cut here ]------------
Dropping previously announced user features
WARNING: CPU: 0 PID: 10164 at net/openvswitch/datapath.c:1573 ovs_dp_reset_user_features net/openvswitch/datapath.c:1573 [inline]
WARNING: CPU: 0 PID: 10164 at net/openvswitch/datapath.c:1573 ovs_dp_cmd_new+0x49e/0x4b0 net/openvswitch/datapath.c:1701
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 10164 Comm: syz-executor.2 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+0x78/0xa0 lib/dump_stack.c:118
 panic+0x13c/0x30f kernel/panic.c:231
 __warn.cold.13+0x20/0x20 kernel/panic.c:600
 report_bug+0xc0/0xf0 lib/bug.c:198
 handle_bug+0x3f/0x70 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x13/0x60 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563
RIP: 0010:ovs_dp_reset_user_features net/openvswitch/datapath.c:1573 [inline]
RIP: 0010:ovs_dp_cmd_new+0x49e/0x4b0 net/openvswitch/datapath.c:1701
Code: 2d 00 00 00 48 c7 c7 2a 71 44 84 c6 05 17 7b b3 01 01 e8 1b d6 d7 fd e9 5f fe ff ff 0f 0b 48 c7 c7 b8 62 76 84 e8 0d 5b d0 fd <0f> 0b e9 7c ff ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5
RSP: 0018:ffffc9000254fa80 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88811db59400 RCX: 0000000000000001
RDX: 0000000080000001 RSI: ffffffff846ae556 RDI: 00000000ffffffff
RBP: ffffc9000254fb00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888130567a00
R13: 00000000ffffffef R14: ffffc9000254fb20 R15: ffff88811db59000
 genl_family_rcv_msg_doit net/netlink/genetlink.c:691 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:736 [inline]
 genl_rcv_msg+0x1cb/0x300 net/netlink/genetlink.c:753
 netlink_rcv_skb+0x41/0x110 net/netlink/af_netlink.c:2469
 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:764
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x19a/0x270 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x248/0x480 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0x2b/0x40 net/socket.c:672
 ____sys_sendmsg+0x1ed/0x230 net/socket.c:2352
 ___sys_sendmsg+0x77/0xb0 net/socket.c:2406
 __sys_sendmsg+0x52/0xa0 net/socket.c:2439
 do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45de49
Code: Bad RIP value.
RSP: 002b:00007f627ba5ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002c040 RCX: 000000000045de49
RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffd7686f58f R14: 00007f627ba5b9c0 R15: 000000000118bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..