FAT-fs (loop4): Unrecognized mount option "pcr=00000000000000000003" or missing value
*** Guest State ***
CR0: actual=0x0000000000000020, shadow=0x0000000000000000, gh_mask=fffffffffffffff7
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kernel BUG at net/ipv4/ip_output.c:776!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7317 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #122
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871
RIP: 0010:ip_do_fragment+0x2447/0x2ad0 net/ipv4/ip_output.c:776
Code: ff 48 89 cf e8 2a 36 23 fb e9 dc ea ff ff 48 89 df e8 5d 36 23 fb e9 02 e7 ff ff e8 b3 36 23 fb e9 97 e6 ff ff e8 29 e7 df fa <0f> 0b 4c 89 f7 e8 ff 35 23 fb e9 2f e6 ff ff 4c 89 e7 e8 f2 35 23
RSP: 0018:ffff8881bf73e7b8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff8881bbb406c0 RCX: ffffc90005b2a000
RDX: 0000000000006f94 RSI: ffffffff869fa3c7 RDI: 0000000000000005
CR3 = 0x0000000000000000
RBP: ffff8881bf73e990 R08: ffff8881828b4300 R09: ffffed103b1c2442
R10: ffffed103b1c2444 R11: ffff8881d8e12223 R12: ffff8881bbb40784
R13: 00000000fffffff2 R14: ffff8881bbb40790 R15: dffffc0000000000
FS:  00007fb31b619700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RSP = 0x0000000000000000  RIP = 0x000000000000fff0
CR2: 00000000004d88f0 CR3: 00000001ba0bc000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
RFLAGS=0x00010002         DR7 = 0x0000000000000400
Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000
 ip_fragment.constprop.50+0x179/0x240 net/ipv4/ip_output.c:549
CS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 ip_finish_output+0x6b4/0xfa0 net/ipv4/ip_output.c:315
DS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_output+0x21d/0x8d0 net/ipv4/ip_output.c:405
SS:   sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
 dst_output include/net/dst.h:444 [inline]
 ip_local_out+0xc5/0x1b0 net/ipv4/ip_output.c:124
 iptunnel_xmit+0x63b/0x9c0 net/ipv4/ip_tunnel_core.c:91
 ip_tunnel_xmit+0x15b8/0x3c04 net/ipv4/ip_tunnel.c:787
kobject: 'loop0' (00000000fa38dac6): kobject_uevent_env
kobject: 'loop0' (00000000fa38dac6): fill_kobj_path: path = '/devices/virtual/block/loop0'
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downgrading a read lock
WARNING: CPU: 0 PID: 27481 at kernel/locking/lockdep.c:3556 __lock_downgrade kernel/locking/lockdep.c:3556 [inline]
WARNING: CPU: 0 PID: 27481 at kernel/locking/lockdep.c:3556 lock_downgrade+0x4d7/0x900 kernel/locking/lockdep.c:3819