$ sudo chroot /public/destdir /bin/sh
Uninitialized bytes in ioctl_common_pre at offset 0 inside [0x7f7fffffe6dc, 4)
==2344==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x7f7ff603d6c9 in _tcsetpgrp /public/src.git/lib/libc/termios/tcsetpgrp.c:62:10
    #1 0x24bda2 in setjobctl /public/src.git/bin/sh/jobs.c:219:7
    #2 0x257a57 in main /public/src.git/bin/sh/main.c:188:2
    #3 0x221eb1 in ___start (/bin/sh+0x21eb1)

SUMMARY: MemorySanitizer: use-of-uninitialized-value /public/src.git/lib/libc/termios/tcsetpgrp.c:62:10 in _tcsetpgrp
Exiting