| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2018 Oracle, Inc. All Rights Reserved. |
| # |
| # FS QA Test No. 499 |
| # |
| # Test a specific sequence of fsx operations that causes an mmap read past |
| # eof to return nonzero contents. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick rw collapse zero prealloc |
| |
| # Import common functions. |
| . ./common/punch |
| |
| _require_scratch |
| _require_xfs_io_command "falloc" "-k" |
| _require_xfs_io_command "fcollapse" |
| _require_xfs_io_command "fzero" |
| |
| _scratch_mkfs >>$seqres.full 2>&1 |
| _scratch_mount |
| |
| cat >> $tmp.fsxops << ENDL |
| fallocate 0x77e2 0x5f06 0x269a2 keep_size |
| mapwrite 0x2e7fc 0x42ba 0x3f989 |
| write 0x67a9 0x714e 0x3f989 |
| write 0x39f96 0x185a 0x3f989 |
| collapse_range 0x36000 0x8000 0x3f989 |
| mapread 0x74c0 0x1bb3 0x3e2d0 |
| truncate 0x0 0x8aa2 0x3e2d0 |
| zero_range 0x1265 0x783d 0x8aa2 |
| mapread 0x7bd8 0xeca 0x8aa2 |
| ENDL |
| |
| victim=$SCRATCH_MNT/a |
| touch $victim |
| $here/ltp/fsx --replay-ops $tmp.fsxops $victim > $tmp.output 2>&1 || cat $tmp.output |
| |
| echo "Silence is golden" |
| status=0 |
| exit |
