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authorTomas Bortoli2019-05-28 17:43:38 +0200
committerSteven Rostedt (VMware)2019-05-28 16:27:58 -0400
commitdfb4a6f2191a80c8b790117d0ff592fd712d3296 (patch)
treeee5899455d1b43d2736e59c88e355ec4f1c08172 /virt
parent0c97bf863efce63d6ab7971dad811601e6171d2f (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 'virt')
0 files changed, 0 insertions, 0 deletions