------------[ cut here ]------------ WARNING: CPU: 0 PID: 25437 at net/packet/af_packet.c:4167 packet_set_ring+0x13f1/0x1940 net/packet/af_packet.c:4167() Tx-ring is not supported. Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 25437 Comm: syz-executor.1 Not tainted 4.4.174+ #17 0000000000000000 c6c5b85b5bfaba8e ffff8801d2347908 ffffffff81aad1a1 ffff8801d2347a58 ffffffff82835ee0 ffffffff82ab2b80 0000000000001047 ffffffff826d3941 ffff8801d23479e8 ffffffff813a48c2 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] panic+0x1b9/0x37b kernel/panic.c:112 [] warn_slowpath_common kernel/panic.c:455 [inline] [] warn_slowpath_common.cold+0x20/0x20 kernel/panic.c:435 [] warn_slowpath_fmt+0xbf/0x100 kernel/panic.c:471 [] packet_set_ring+0x13f1/0x1940 net/packet/af_packet.c:4167 [] packet_setsockopt+0x2af/0x26c0 net/packet/af_packet.c:3610