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| author | Alan Modra <amodra@gmail.com> | 2020-03-25 08:50:21 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2020-03-25 08:54:18 +1030 |
| commit | a18cd0cab43f45b05e9f8bcbf8fed1d67834442d (patch) | |
| tree | b8464b95e02f76bd28141b06ad4d16dd837c7ca8 | |
| parent | 5ab2fbf185935f387fd5c1f8b14ba9fe04b41b39 (diff) | |
| download | binutils-gdb-a18cd0cab43f45b05e9f8bcbf8fed1d67834442d.tar.gz | |
Uninitialised memory read in z80-dis.c
objdump -d -m ez80-adl testcase:
.byte 0x40,0xfd
* z80-dis.c (suffix): Init mybuf.
| -rw-r--r-- | opcodes/ChangeLog | 4 | ||||
| -rw-r--r-- | opcodes/z80-dis.c | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 4c05e849daf..bdfccbac78c 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,7 @@ +2020-03-25 Alan Modra <amodra@gmail.com> + + * z80-dis.c (suffix): Init mybuf. + 2020-03-22 Alan Modra <amodra@gmail.com> * h8300-dis.c (bfd_h8_disassemble): Limit data[] access to that diff --git a/opcodes/z80-dis.c b/opcodes/z80-dis.c index b23e8e99fd8..cd840444511 100644 --- a/opcodes/z80-dis.c +++ b/opcodes/z80-dis.c @@ -804,6 +804,7 @@ suffix (struct buffer *buf, disassemble_info *info, const char *txt) old_stream = info->stream; info->fprintf_func = (fprintf_ftype) &sprintf; info->stream = mybuf; + mybuf[0] = 0; buf->base++; if (print_insn_z80_buf (buf, info) >= 0) buf->n_used++; |