------------[ cut here ]------------ WARNING: CPU: 0 PID: 5336 at net/packet/af_packet.c:4167 packet_set_ring+0x13f1/0x1940 net/packet/af_packet.c:4167() ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5348 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 ... Tx-ring is not supported. Modules linked in: CPU: 1 PID: 5348 Comm: syz-executor.2 Not tainted 4.4.174+ #4 0000000000000000 a82809fc7ae6c397 ffff880086bc7a68 ffffffff81aad1a1 ffff880086bc7ad8 0000000000000009 ffffffff82ab2b80 0000000000001047 ffffffff826d3941 ffff880086bc7aa8 ffffffff810d3849 ffff8801b18d3870 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_slowpath_common+0xd9/0x120 kernel/panic.c:459 [] 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 ---[ end trace 882f83087fd7d944 ]--- CPU: 0 PID: 5336 Comm: syz-executor.2 Tainted: G W 4.4.174+ #4 0000000000000000 f33fae89486327b5 ffff88009a037988 ffffffff81aad1a1 ffff88009a037ad8 ffffffff82835ee0 ffffffff82ab2b80 0000000000001047 ffffffff826d3941 ffff88009a037a68 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..