net_ratelimit: 29 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2733 Comm: syz-executor.1 Not tainted 5.0.0-rc7+ #80 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1726 Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f RSP: 0018:ffff888089f27168 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880a17f1898 RCX: ffffc90008460000 RDX: 0000000000000016 RSI: ffffffff86215234 RDI: 00000000000000b0 RBP: ffff888089f27180 R08: 1ffff110142fe313 R09: ffff8880a17f1898 R10: ffffed10142fe31d R11: ffff8880a17f18ef R12: 0000000000000000 R13: ffff8880a077c5c0 R14: ffffffff86224150 R15: ffff8880a17f1898 FS: 00007fa5a398c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cdd10 CR3: 000000004c4af000 CR4: 00000000001426f0 Call Trace: ip6erspan_newlink+0x66/0x7b0 net/ipv6/ip6_gre.c:2210 __rtnl_newlink+0x107b/0x16c0 net/core/rtnetlink.c:3182 rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3240 rtnetlink_rcv_msg+0x465/0xb00 net/core/rtnetlink.c:5130 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 audit: type=1804 audit(1550628543.022:2154): pid=2720 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir887307920/syzkaller.9IQKBK/1040/memory.events" dev="sda1" ino=16992 res=1 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1917 audit: type=1800 audit(1550628543.022:2155): pid=2720 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="memory.events" dev="sda1" ino=16992 res=0 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2114 __sys_sendmsg+0x105/0x1d0 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e29 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa5a398bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 RDX: 0000000000000000 RSI: 0000000020001340 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5a398c6d4 R13: 00000000004c5469 R14: 00000000004d92b0 R15: 00000000ffffffff Modules linked in: protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ---[ end trace 44c02294538e673e ]--- RIP: 0010:ip6erspan_set_version+0x5c/0x350 net/ipv6/ip6_gre.c:1726 Code: 07 38 d0 7f 08 84 c0 0f 85 9f 02 00 00 49 8d bc 24 b0 00 00 00 c6 43 54 01 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9a 02 00 00 4d 8b ac 24 b0 00 00 00 4d 85 ed 0f IPVS: ftp: loaded support on port[0] = 21 RSP: 0018:ffff888089f27168 EFLAGS: 00010202 audit: type=1804 audit(1550628543.902:2156): pid=2758 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir887307920/syzkaller.9IQKBK/1041/memory.events" dev="sda1" ino=17635 res=1 kobject: 'loop5' (000000008f444fee): kobject_uevent_env kobject: 'loop5' (000000008f444fee): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1800 audit(1550628543.902:2157): pid=2758 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="memory.events" dev="sda1" ino=17635 res=0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 RAX: dffffc0000000000 RBX: ffff8880a17f1898 RCX: ffffc90008460000 RDX: 0000000000000016 RSI: ffffffff86215234 RDI: 00000000000000b0 RBP: ffff888089f27180 R08: 1ffff110142fe313 R09: ffff8880a17f1898 R10: ffffed10142fe31d R11: ffff8880a17f18ef R12: 0000000000000000 R13: ffff8880a077c5c0 R14: ffffffff86224150 R15: ffff8880a17f1898 FS: 00007fa5a398c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d33c000 CR3: 000000004c4af000 CR4: 00000000001426f0