# https://syzkaller.appspot.com/bug?id=17733c5870b663e9cb1fc2cce3789d87e0e85a88
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"repeat":true,"procs":5,"slowdown":1,"sandbox":"none","sandbox_arg":0,"tun":true,"netdev":true,"resetnet":true,"cgroups":true,"binfmt_misc":true,"close_fds":true,"usb":true,"vhci":true,"wifi":true,"ieee802154":true,"sysctl":true,"swap":true,"tmpdir":true,"segv":true,"callcomments":true}
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r1=>0xffffffffffffffff})
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x4)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
timer_settime(0x0, 0x0, &(0x7f00000002c0)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
write$dsp(0xffffffffffffffff, 0x0, 0x0)
ioctl$NBD_DO_IT(r0, 0xab03)
ioctl$NBD_CLEAR_SOCK(r0, 0xab04)
ioctl$PPPIOCSACTIVE(0xffffffffffffffff, 0x40107446, 0x0)