------------[ cut here ]------------ WARNING: CPU: 1 PID: 12775 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: 1 PID: 12775 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 b973b9627cf30a66 ffff8801d3847988 ffffffff81aad1a1 ffff8801d3847ad8 ffffffff82835ee0 ffffffff82ab2b80 0000000000001047 ffffffff826d3941 ffff8801d3847a68 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 [] SYSC_setsockopt net/socket.c:1780 [inline] [] SyS_setsockopt+0x159/0x240 net/socket.c:1759 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Kernel Offset: disabled Rebooting in 86400 seconds..