CIFS VFS: Malformed UNC in devname.
CIFS VFS: Malformed UNC in devname.
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
CIFS VFS: Malformed UNC in devname.
BUG: unable to handle kernel NULL pointer dereference at           (null)
IP:           (null)
PGD 84488067 P4D 84488067 PUD a008b067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7413 Comm: kworker/1:3 Not tainted 4.14.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt padata_serial_worker
task: ffff88808f7206c0 task.stack: ffff888067138000
RIP: 0010:          (null)
RSP: 0000:ffff88806713fcd0 EFLAGS: 00010296
RAX: 0000000000000000 RBX: ffff88808f64d210 RCX: 1ffff1100ce27fa2
RDX: 1ffff11011ec9a3a RSI: 0000000000000000 RDI: ffff88808f64d1c0
RBP: dffffc0000000000 R08: ffffe8ffffd25360 R09: 0000000000000002
R10: 0000000000000000 R11: ffff88808f7206c0 R12: 0000000000000001
audit: type=1804 audit(1600158898.779:246): pid=32154 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir557211318/syzkaller.uJsHAU/930/bus" dev="sda1" ino=17236 res=1
R13: ffff88806713fd10 R14: ffff888219190900 R15: ffff88808f64d218
FS:  0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000055fbd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 padata_serial_worker+0x232/0x3e0 kernel/padata.c:307
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
CIFS VFS: Malformed UNC in devname.
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code:  Bad RIP value.
RIP:           (null) RSP: ffff88806713fcd0
CR2: 0000000000000000
---[ end trace de821da09c39f4af ]---