# https://syzkaller.appspot.com/bug?id=e6d1ed219bd92dd9b3e653eda032852996a9b457
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"collide":true,"procs":1,"sandbox":"","fault_call":-1}
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x200, 0x0)
readv(r0, &(0x7f0000000080), 0x0)
munmap(&(0x7f0000000000/0x2000)=nil, 0x2000)