diff options
| author | Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> | 2017-10-19 11:27:24 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-10-20 09:43:21 +0200 |
| commit | b703798386fb7288d5a995bd2284a984a5e24f3c (patch) | |
| tree | a51030fa33b9ecdeabb603ea0975bd7c355687ec /tools/objtool/check.c | |
| parent | ce43f4fd6f103681c7485c2b1967179647e73555 (diff) | |
| download | linux-b703798386fb7288d5a995bd2284a984a5e24f3c.tar.bz2 | |
objtool: Fix memory leak in decode_instructions()
When an error occurs before adding an allocated insn to the list, free
it before returning.
Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/336da800bf6070eae11f4e0a3b9ca64c27658114.1508430423.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/objtool/check.c')
| -rw-r--r-- | tools/objtool/check.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index a0c518ecf085..c0e26ad1fa7e 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -267,12 +267,13 @@ static int decode_instructions(struct objtool_file *file) &insn->immediate, &insn->stack_op); if (ret) - return ret; + goto err; if (!insn->type || insn->type > INSN_LAST) { WARN_FUNC("invalid instruction type %d", insn->sec, insn->offset, insn->type); - return -1; + ret = -1; + goto err; } hash_add(file->insn_hash, &insn->hash, insn->offset); @@ -296,6 +297,10 @@ static int decode_instructions(struct objtool_file *file) } return 0; + +err: + free(insn); + return ret; } /* |