[Bug 15276] New: cut: transforms 0x00 to 0x0a

bugzilla at busybox.net bugzilla at busybox.net
Sun Jan 22 20:50:47 UTC 2023


https://bugs.busybox.net/show_bug.cgi?id=15276

            Bug ID: 15276
           Summary: cut: transforms 0x00 to 0x0a
           Product: Busybox
           Version: 1.35.x
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned at busybox.net
          Reporter: iam at valdikss.org.ru
                CC: busybox-cvs at busybox.net
  Target Milestone: ---

Cut utility incorrectly replaces null-byte (0x00) with \n (0x0a).

Tested with Busybox 1.36.0 and Busybox 1.20.0 ("Busybox in VM" link on the
website).

Busybox:
$ echo -ne "\x00\x01\x02\x03\x04\x05\x06" | ./busybox cut -b 1-3 | hexdump -C
00000000  0a 01 02 03 0a                                    |.....|
00000005

GNU coreutils:
$ echo -ne "\x00\x01\x02\x03\x04\x05\x06" | cut -b 1-3 | hexdump -C
00000000  00 01 02 0a                                       |....|
00000004

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