tests/test-parseindex.t
author Yuya Nishihara <yuya@tcha.org>
Sun, 19 Jul 2015 15:27:28 +0900
branchstable
changeset 25859 1619563959b3
parent 25810 82d6a35cf432
child 26016 c8d41c9c23c7
permissions -rw-r--r--
tests: disable test of buffer overflow in parsers.c if --pure It fails with AttributeError and there's no benefit to make it runnable with pure Python code.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
12476
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     1
revlog.parseindex must be able to parse the index file even if
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     2
an index entry is split between two 64k blocks.  The ideal test
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     3
would be to create an index file with inline data where
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     4
64k < size < 64k + 64 (64k is the size of the read buffer, 64 is
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     5
the size of an index entry) and with an index entry starting right
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     6
before the 64k block boundary, and try to read it.
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     7
We approximate that by reducing the read buffer to 1 byte.
2290
6563438219e3 add test for revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
     8
12476
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
     9
  $ hg init a
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    10
  $ cd a
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    11
  $ echo abc > foo
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    12
  $ hg add foo
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    13
  $ hg commit -m 'add foo'
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    14
  $ echo >> foo
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    15
  $ hg commit -m 'change foo'
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    16
  $ hg log -r 0:
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    17
  changeset:   0:7c31755bf9b5
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    18
  user:        test
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    19
  date:        Thu Jan 01 00:00:00 1970 +0000
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    20
  summary:     add foo
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    21
  
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    22
  changeset:   1:26333235a41c
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    23
  tag:         tip
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    24
  user:        test
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    25
  date:        Thu Jan 01 00:00:00 1970 +0000
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    26
  summary:     change foo
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    27
  
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    28
  $ cat >> test.py << EOF
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 12476
diff changeset
    29
  > from mercurial import changelog, scmutil
12476
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    30
  > from mercurial.node import *
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    31
  > 
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    32
  > class singlebyteread(object):
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    33
  >     def __init__(self, real):
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    34
  >         self.real = real
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    35
  > 
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    36
  >     def read(self, size=-1):
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    37
  >         if size == 65536:
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    38
  >             size = 1
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    39
  >         return self.real.read(size)
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    40
  > 
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    41
  >     def __getattr__(self, key):
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    42
  >         return getattr(self.real, key)
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    43
  > 
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    44
  > def opener(*args):
13970
d13913355390 move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents: 12476
diff changeset
    45
  >     o = scmutil.opener(*args)
12476
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    46
  >     def wrapper(*a):
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    47
  >         f = o(*a)
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    48
  >         return singlebyteread(f)
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    49
  >     return wrapper
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    50
  > 
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    51
  > cl = changelog.changelog(opener('.hg/store'))
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    52
  > print len(cl), 'revisions:'
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    53
  > for r in cl:
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    54
  >     print short(cl.node(r))
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    55
  > EOF
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    56
  $ python test.py
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    57
  2 revisions:
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    58
  7c31755bf9b5
4cce5194c307 tests: unify test-parseindex
Matt Mackall <mpm@selenic.com>
parents: 12156
diff changeset
    59
  26333235a41c
16913
f2719b387380 tests: add missing trailing 'cd ..'
Mads Kiilerich <mads@kiilerich.com>
parents: 13970
diff changeset
    60
f2719b387380 tests: add missing trailing 'cd ..'
Mads Kiilerich <mads@kiilerich.com>
parents: 13970
diff changeset
    61
  $ cd ..
25810
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    62
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    63
Test corrupted p1/p2 fields that could cause SEGV at parsers.c:
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    64
25859
1619563959b3 tests: disable test of buffer overflow in parsers.c if --pure
Yuya Nishihara <yuya@tcha.org>
parents: 25810
diff changeset
    65
#if no-pure
1619563959b3 tests: disable test of buffer overflow in parsers.c if --pure
Yuya Nishihara <yuya@tcha.org>
parents: 25810
diff changeset
    66
25810
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    67
  $ mkdir invalidparent
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    68
  $ cd invalidparent
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    69
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    70
  $ hg clone --pull -q --config phases.publish=False ../a limit
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    71
  $ hg clone --pull -q --config phases.publish=False ../a segv
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    72
  $ rm -R limit/.hg/cache segv/.hg/cache
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    73
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    74
  $ python <<EOF
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    75
  > data = open("limit/.hg/store/00changelog.i", "rb").read()
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    76
  > for n, p in [('limit', '\0\0\0\x02'), ('segv', '\0\x01\0\0')]:
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    77
  >     # corrupt p1 at rev0 and p2 at rev1
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    78
  >     d = data[:24] + p + data[28:127 + 28] + p + data[127 + 32:]
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    79
  >     open(n + "/.hg/store/00changelog.i", "wb").write(d)
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    80
  > EOF
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    81
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    82
  $ hg debugindex -f1 limit/.hg/store/00changelog.i
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    83
     rev flag   offset   length     size   base   link     p1     p2       nodeid
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    84
       0 0000        0       63       62      0      0      2     -1 7c31755bf9b5
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    85
       1 0000       63       66       65      1      1      0      2 26333235a41c
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    86
  $ hg debugindex -f1 segv/.hg/store/00changelog.i
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    87
     rev flag   offset   length     size   base   link     p1     p2       nodeid
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    88
       0 0000        0       63       62      0      0  65536     -1 7c31755bf9b5
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    89
       1 0000       63       66       65      1      1      0  65536 26333235a41c
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    90
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    91
  $ cat <<EOF > test.py
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    92
  > import sys
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    93
  > from mercurial import changelog, scmutil
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    94
  > cl = changelog.changelog(scmutil.vfs(sys.argv[1]))
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    95
  > n0, n1 = cl.node(0), cl.node(1)
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    96
  > ops = [
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    97
  >     ('compute_phases_map_sets', lambda: cl.computephases([[0], []])),
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    98
  >     ('index_headrevs', lambda: cl.headrevs()),
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
    99
  >     ('find_gca_candidates', lambda: cl.commonancestorsheads(n0, n1)),
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   100
  >     ('find_deepest', lambda: cl.ancestor(n0, n1)),
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   101
  >     ]
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   102
  > for l, f in ops:
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   103
  >     print l + ':',
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   104
  >     try:
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   105
  >         f()
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   106
  >         print 'uncaught buffer overflow?'
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   107
  >     except ValueError, inst:
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   108
  >         print inst
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   109
  > EOF
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   110
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   111
  $ python test.py limit/.hg/store
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   112
  compute_phases_map_sets: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   113
  index_headrevs: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   114
  find_gca_candidates: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   115
  find_deepest: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   116
  $ python test.py segv/.hg/store
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   117
  compute_phases_map_sets: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   118
  index_headrevs: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   119
  find_gca_candidates: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   120
  find_deepest: parent out of range
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   121
82d6a35cf432 parsers: fix buffer overflow by invalid parent revision read from revlog
Yuya Nishihara <yuya@tcha.org>
parents: 16913
diff changeset
   122
  $ cd ..
25859
1619563959b3 tests: disable test of buffer overflow in parsers.c if --pure
Yuya Nishihara <yuya@tcha.org>
parents: 25810
diff changeset
   123
1619563959b3 tests: disable test of buffer overflow in parsers.c if --pure
Yuya Nishihara <yuya@tcha.org>
parents: 25810
diff changeset
   124
#endif