1 #!/bin/sh 2 # 3 # Check mmap/mmap2, madvise, mlockall, mprotect, mremap, msync, and munmap 4 # syscalls decoding. 5 # 6 # Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at] altlinux.org> 7 # All rights reserved. 8 # 9 # Redistribution and use in source and binary forms, with or without 10 # modification, are permitted provided that the following conditions 11 # are met: 12 # 1. Redistributions of source code must retain the above copyright 13 # notice, this list of conditions and the following disclaimer. 14 # 2. Redistributions in binary form must reproduce the above copyright 15 # notice, this list of conditions and the following disclaimer in the 16 # documentation and/or other materials provided with the distribution. 17 # 3. The name of the author may not be used to endorse or promote products 18 # derived from this software without specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 . "${srcdir=.}/init.sh" 32 33 check_prog grep 34 check_prog sed 35 run_prog > /dev/null 36 37 syscall= 38 for n in mmap mmap2; do 39 $STRACE -e$n -h > /dev/null && syscall=$syscall,$n 40 done 41 run_strace -e$syscall $args > /dev/null 42 43 if grep '^mmap(NULL, 0, PROT_NONE,' < "$LOG" > /dev/null; then 44 mmap=mmap 45 elif grep '^mmap2(NULL, 0, PROT_NONE,' < "$LOG" > /dev/null; then 46 mmap=mmap2 47 else 48 dump_log_and_fail_with "mmap/mmap2 not found in $STRACE $args output" 49 fi 50 51 syscall=$mmap,madvise,mlockall,mprotect,mremap,msync,munmap 52 53 run_prog "./$NAME" $mmap > /dev/null 54 run_strace -a20 -e$syscall $args > "$EXP" 55 sed -n "/^$mmap(NULL, 0, PROT_NONE,/,\$p" < "$LOG" > "$OUT" 56 match_diff "$OUT" "$EXP" 57 58 rm -f "$EXP" "$OUT" 59