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| author | Nick Clifton <nickc@redhat.com> | 2017-02-14 14:17:09 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2017-02-14 14:17:09 +0000 |
| commit | 92134dc19b4bf6407a88a306b771c9c6c88658d6 (patch) | |
| tree | 77bbea6298d25c3d2b19f00d96ccf68ee7d2cbfa | |
| parent | a2dea0b20bc66a4c287c3c50002b8c3b3e9d953a (diff) | |
| download | gdb-92134dc19b4bf6407a88a306b771c9c6c88658d6.zip gdb-92134dc19b4bf6407a88a306b771c9c6c88658d6.tar.gz gdb-92134dc19b4bf6407a88a306b771c9c6c88658d6.tar.bz2 | |
Fix an illegal memory access parsing corrupt STABD debug information.
PR binutils/21158
* rddbg.c (read_symbol_stabs_debugging_info): Check for a null or
empty symbol name.
| -rw-r--r-- | binutils/ChangeLog | 6 | ||||
| -rw-r--r-- | binutils/rddbg.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 99774b6..4f9bdfa 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,5 +1,11 @@ 2017-02-14 Nick Clifton <nickc@redhat.com> + PR binutils/21158 + * rddbg.c (read_symbol_stabs_debugging_info): Check for a null or + empty symbol name. + +2017-02-14 Nick Clifton <nickc@redhat.com> + PR binutils/21157 * stabs.c (parse_stab_enum_type): Check for corrupt NAME:VALUE pairs. diff --git a/binutils/rddbg.c b/binutils/rddbg.c index ae25dec..1d8c447 100644 --- a/binutils/rddbg.c +++ b/binutils/rddbg.c @@ -299,7 +299,10 @@ read_symbol_stabs_debugging_info (bfd *abfd, asymbol **syms, long symcount, *pfound = TRUE; s = i.name; + if (s == NULL || strlen (s) < 1) + return FALSE; f = NULL; + while (s[strlen (s) - 1] == '\\' && ps + 1 < symend) { |