WARNING: CPU: 0 PID: 7699 at fs/proc/generic.c:371 proc_register+0x40b/0x580 fs/proc/generic.c:371 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7699 Comm: syz-executor.0 Not tainted 5.7.0-rc6-next-20200522-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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x2f/0x3a kernel/panic.c:600 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:105 [inline] fixup_bug arch/x86/kernel/traps.c:100 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1026 RIP: 0010:proc_register+0x40b/0x580 fs/proc/generic.c:371 Code: ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 5c 01 00 00 48 8b 04 24 48 c7 c7 20 c1 59 88 48 8b b0 d8 00 00 00 e8 57 4b 5f ff <0f> 0b 48 c7 c7 00 fa cc 89 e8 57 45 fc 05 48 8b 4c 24 28 48 b8 00 RSP: 0018:ffffc900030a7670 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880926ad978 RCX: 0000000000000000 RDX: 0000000000011661 RSI: ffffffff815d3c57 RDI: fffff52000614ec0 RBP: ffff88804357a680 R08: ffff88803635e400 R09: ffffed1015cc671d R10: ffff8880ae6338e7 R11: ffffed1015cc671c R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8880939d4c80 R15: 0000000000000009 proc_create_data+0x130/0x190 fs/proc/generic.c:560 clusterip_config_init net/ipv4/netfilter/ipt_CLUSTERIP.c:281 [inline] clusterip_tg_check+0x116a/0x16f1 net/ipv4/netfilter/ipt_CLUSTERIP.c:502 xt_check_target+0x267/0x650 net/netfilter/x_tables.c:1019 check_target net/ipv4/netfilter/ip_tables.c:511 [inline] find_check_entry.isra.0+0x6ed/0x8d0 net/ipv4/netfilter/ip_tables.c:553 translate_table+0xbec/0x1580 net/ipv4/netfilter/ip_tables.c:717 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x2af/0x451 net/ipv4/netfilter/ip_tables.c:1672 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x6f/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1272 [inline] ip_setsockopt+0xd8/0xf0 net/ipv4/ip_sockglue.c:1252 udp_setsockopt+0x5d/0xa0 net/ipv4/udp.c:2656 __sys_setsockopt+0x248/0x480 net/socket.c:2127 __do_sys_setsockopt net/socket.c:2143 [inline] __se_sys_setsockopt net/socket.c:2140 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca29 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f820fbe2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000501e00 RCX: 000000000045ca29 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 000000000078bfa0 R08: 0000000000000260 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a3f R14: 00000000004cd086 R15: 00007f820fbe36d4 Kernel Offset: disabled Rebooting in 86400 seconds..