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re PR other/22268 (libiberty demanger crashes on (invalid) mangled name)

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PR other/22268
	* cp-demangle.c (d_expr_primary): Don't run off the end of the
	string while looking for the end of a literal value.
	* testsuite/demangle-expected: Add test case.

From-SVN: r101506
This commit is contained in:
Ian Lance Taylor 2005-07-01 16:39:36 +00:00 committed by Ian Lance Taylor
parent 200bbdcecb
commit 8c7262afc3
3 changed files with 18 additions and 1 deletions
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7
libiberty/ChangeLog
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@ -1,3 +1,10 @@
2005-07-01 Ian Lance Taylor <ian@airs.com>
PR other/22268
* cp-demangle.c (d_expr_primary): Don't run off the end of the
string while looking for the end of a literal value.
* testsuite/demangle-expected: Add test case.
2005-06-30 Daniel Berlin <dberlin@dberlin.org>
* hashtab.c (EMPTY_ENTRY): Moved and renamed.

6
libiberty/cp-demangle.c
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@ -2337,7 +2337,11 @@ d_expr_primary (struct d_info *di)
}
s = d_str (di);
while (d_peek_char (di) != 'E')
d_advance (di, 1);
{
if (d_peek_char (di) == '\0')
return NULL;
d_advance (di, 1);
}
ret = d_make_comp (di, t, type, d_make_name (di, s, d_str (di) - s));
}
if (d_next_char (di) != 'E')

6
libiberty/testsuite/demangle-expected
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@ -3704,6 +3704,12 @@ foo<int (*) [3]>
_ZN13PatternDriver23StringScalarDeleteValueC1ERKNS_25ConflateStringScalarValueERKNS_25AbstractStringScalarValueERKNS_12TemplateEnumINS_12pdcomplementELZNS_16complement_namesEELZNS_14COMPLEMENTENUMEEEE
_ZN13PatternDriver23StringScalarDeleteValueC1ERKNS_25ConflateStringScalarValueERKNS_25AbstractStringScalarValueERKNS_12TemplateEnumINS_12pdcomplementELZNS_16complement_namesEELZNS_14COMPLEMENTENUMEEEE
PatternDriver::StringScalarDeleteValue::StringScalarDeleteValue
#
# This used to cause the demangler to walk into undefined memory--PR 22268
--format=gnu-v3 --no-params
ALsetchannels
ALsetchannels
ALsetchannels
# Test GNU V3 constructor and destructor identification.
# 0 means it is not a constructor/destructor.
# Other integers correspond to enum gnu_v3_{c,d}tor_kinds in demangle.h.