# https://syzkaller.appspot.com/bug?id=af3a0728c8cbf6903ec2b0836441287cced00c1c
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"collide":true,"procs":1,"sandbox":"none","fault_call":-1,"tun":true,"netdev":true,"segv":true}
r0 = creat(&(0x7f0000000000)='./file0\x00', 0xa)
setsockopt$inet_tcp_buf(r0, 0x6, 0x1e, &(0x7f0000000040), 0x0)
getsockopt$bt_hci(r0, 0x0, 0x3, &(0x7f0000001040)=""/30, &(0x7f0000001080)=0x1e)
getsockopt$bt_hci(r0, 0x0, 0x0, &(0x7f00000010c0)=""/100, &(0x7f0000001140)=0x64)
ioctl$TIOCNXCL(r0, 0x540d)
ioctl$PIO_FONT(r0, 0x4b61, &(0x7f0000001180))
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f00000011c0)={0x6, {{0xa, 0x4e24, 0x2, @empty, 0x9}}}, 0x88)
linkat(r0, &(0x7f0000001280)='./file0\x00', r0, &(0x7f00000012c0)='./file0/file0\x00', 0x400)
ioctl$TIOCLINUX4(r0, 0x541c, &(0x7f0000001300)=0x4)
sendmsg(r1, &(0x7f0000001a40)={&(0x7f0000001340)=@pppol2tp={0x18, 0x1, {0x0, r0, {0x2, 0x4e21, @multicast2=0xe0000002}, 0x0, 0x3, 0x2, 0x2}}, 0x80, &(0x7f00000018c0)=[{&(0x7f00000013c0)}, {&(0x7f0000001400)}, {&(0x7f0000001440)}, {&(0x7f0000001480)}, {&(0x7f0000001580)}, {&(0x7f00000015c0)}, {&(0x7f0000001640)}, {&(0x7f0000001700)}, {&(0x7f0000001800)}], 0x9, &(0x7f0000001980)=[{0x10, 0x19d}, {0x10, 0x111, 0xffffffffffffff01}], 0x20, 0x20000000}, 0x80)
ioctl$RNDZAPENTCNT(r0, 0x5204, &(0x7f0000001a80)=0x20)
getsockopt$ARPT_SO_GET_REVISION_TARGET(r0, 0x0, 0x63, &(0x7f0000001ac0)={'NETMAP\x00'}, &(0x7f0000001b00)=0x1e)
r2 = socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$TIOCGLCKTRMIOS(r0, 0x5456, &(0x7f0000001b40)={0x4, 0x4515, 0x0, 0xffffffff, 0xfffffffffffffff9, 0xd64, 0x8, 0x1, 0x2, 0x3, 0x6, 0x1})
ioctl$sock_inet_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f0000001b80))
ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f0000001bc0)={0x7, 0x1f, 0x80000000})
r3 = gettid()
ioctl$sock_FIOSETOWN(r0, 0x8901, &(0x7f0000001c00)=r3)
r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000001c40)='/dev/ptmx\x00', 0xa0180, 0x0)
readv(r4, &(0x7f0000001f40)=[{&(0x7f0000001c80)=""/248, 0xf8}, {&(0x7f0000001d80)=""/160, 0xa0}, {&(0x7f0000001e40)=""/115, 0x73}, {&(0x7f0000001ec0)=""/127, 0x7f}], 0x4)