diff options
| author | Tomas Bortoli | 2019-05-28 17:43:38 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) | 2019-05-28 16:27:58 -0400 |
| commit | dfb4a6f2191a80c8b790117d0ff592fd712d3296 (patch) | |
| tree | ee5899455d1b43d2736e59c88e355ec4f1c08172 /scripts/link-vmlinux.sh | |
| parent | 0c97bf863efce63d6ab7971dad811601e6171d2f (diff) | |
tracing: Avoid memory leak in predicate_parse()
In case of errors, predicate_parse() goes to the out_free label
to free memory and to return an error code.
However, predicate_parse() does not free the predicates of the
temporary prog_stack array, thence leaking them.
Link: http://lkml.kernel.org/r/20190528154338.29976-1-tomasbortoli@gmail.com
Cc: stable@vger.kernel.org
Fixes: 80765597bc587 ("tracing: Rewrite filter logic to be simpler and faster")
Reported-by: syzbot+6b8e0fb820e570c59e19@syzkaller.appspotmail.com
Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com>
[ Added protection around freeing prog_stack[i].pred ]
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'scripts/link-vmlinux.sh')
0 files changed, 0 insertions, 0 deletions