------------[ cut here ]------------ kernel BUG at kernel/time/timer.c:958! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 23957 Comm: syz-executor2 Not tainted 4.15.0+ #306 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__mod_timer kernel/time/timer.c:958 [inline] RIP: 0010:mod_timer+0x7d6/0x13c0 kernel/time/timer.c:1102 RSP: 0018:ffff8801b248ed18 EFLAGS: 00010202 RAX: 0000000000010000 RBX: ffff8801cfbcba10 RCX: ffffffff816052c6 RDX: 0000000000000750 RSI: ffffc90001f8e000 RDI: ffff8801cfbcba28 RBP: ffff8801b248efb8 R08: 0000000000000000 R09: 1ffff10036491dd0 R10: ffff8801b248ee48 R11: 0000000000000003 R12: dffffc0000000000 R13: ffff8801b248ef90 R14: 00000001000045b4 R15: ffff8801c24601d0 FS: 00007fc30ef0a700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b9bc22000 CR3: 00000001c52d9003 CR4: 00000000001626f0 Call Trace: led_tg+0x1db/0x2e0 net/netfilter/xt_LED.c:75 ip6t_do_table+0xc2a/0x1a30 net/ipv6/netfilter/ip6_tables.c:365 ip6table_raw_hook+0x65/0x80 net/ipv6/netfilter/ip6table_raw.c:42 nf_hook_entry_hookfn include/linux/netfilter.h:120 [inline] nf_hook_slow+0xba/0x1a0 net/netfilter/core.c:483 nf_hook include/linux/netfilter.h:243 [inline] NF_HOOK include/linux/netfilter.h:286 [inline] ip6_xmit+0x10ec/0x2260 net/ipv6/ip6_output.c:277 inet6_csk_xmit+0x2fc/0x580 net/ipv6/inet6_connection_sock.c:139 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142 dccp_connect+0x369/0x670 net/dccp/output.c:564 dccp_v6_connect+0xe17/0x1bf0 net/dccp/ipv6.c:946 __inet_stream_connect+0x2d4/0xf00 net/ipv4/af_inet.c:620 inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:684 SYSC_connect+0x213/0x4a0 net/socket.c:1639 SyS_connect+0x24/0x30 net/socket.c:1620 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x4537d9 RSP: 002b:00007fc30ef09c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 00000000004537d9 RDX: 000000000000001c RSI: 0000000020419000 RDI: 0000000000000014 RBP: 000000000000005a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ef910 R13: 00000000ffffffff R14: 00007fc30ef0a6d4 R15: 0000000000000000 Code: 85 2a 0b 00 00 4d 8b 3c 24 4d 85 ff 75 9f 4c 8b bd 60 fd ff ff e8 bb 57 10 00 65 ff 0d 94 9a a1 7e e9 d9 fc ff ff e8 aa 57 10 00 <0f> 0b e8 a3 57 10 00 e9 14 fb ff ff e8 99 57 10 00 4c 89 bd 70 RIP: __mod_timer kernel/time/timer.c:958 [inline] RSP: ffff8801b248ed18 RIP: mod_timer+0x7d6/0x13c0 kernel/time/timer.c:1102 RSP: ffff8801b248ed18 ---[ end trace 1b90199ac294f144 ]---