unexpand: unexpand /dev/zero panic

[mattsu2020]

/bin/bash: line 1: 111638 Aborted (core dumped) unexpand /dev/zero 2> full.err > /dev/full
memory allocation of 16777216 bytes failed
stack backtrace:
note: Some details are omitted, run with RUST_BACKTRACE=full for a verbose backtrace.
unexpand /dev/zero: failed to exit
diff -u /dev/null pipe.err
--- /dev/null 1970-01-01
+++ pipe.err 1970-01-01
+memory allocation of 16777216 bytes failed
+stack backtrace:
+note: Some details are omitted, run with RUST_BACKTRACE=full for a verbose backtrace.
memory allocation of 16777216 bytes failed
stack backtrace:
note: Some details are omitted, run with RUST_BACKTRACE=full for a verbose backtrace.
unexpand /dev/zero: failed to write to closed pipe