Tomas Bortoli dfb4a6f219 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: 80765597bc ("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>

2019-05-28 16:27:58 -04:00

..

blktrace.c

blkcg: annotate implicit fall through

2019-03-13 14:31:12 -06:00

bpf_trace.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2019-05-07 22:03:58 -07:00

fgraph.c

tracing: Fix ftrace_graph_get_ret_stack() to use task and not current

2018-12-22 08:21:03 -05:00

ftrace_internal.h

ftrace: Create new ftrace_internal.h header

2018-12-08 20:54:06 -05:00

ftrace.c

Merge tag 'trace-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2019-05-15 16:05:47 -07:00

Kconfig

tracing: stop making gpio tracing configurable

2019-04-08 15:11:48 +02:00

Makefile

tracing: Add unified dynamic event framework

2018-12-08 20:54:09 -05:00

power-traces.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

preemptirq_delay_test.c

tracing: Use trace_clock_local() for looping in preemptirq_delay_test.c

2018-10-17 15:35:33 -04:00

ring_buffer_benchmark.c

ring-buffer: Fix mispelling of Calculate

2019-05-08 12:15:12 -04:00

ring_buffer.c

Merge tag 'trace-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2019-05-15 16:05:47 -07:00

rpm-traces.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

trace_benchmark.c

rcu: Rename cond_resched_rcu_qs() to cond_resched_tasks_rcu_qs()

2018-05-15 10:27:29 -07:00

trace_benchmark.h

tracing: Fix SPDX format headers to use C++ style comments

2018-08-16 19:08:06 -04:00

trace_branch.c

x86/uaccess, ftrace: Fix ftrace_likely_update() vs. SMAP

2019-04-03 11:02:24 +02:00

trace_clock.c

tracing: Add SPDX License format tags to tracing files

2018-08-16 19:08:06 -04:00

trace_dynevent.c

tracing: initialize variable in create_dyn_event()

2019-03-26 08:35:36 -04:00

trace_dynevent.h

tracing: Add unified dynamic event framework

2018-12-08 20:54:09 -05:00

trace_entries.h

tracing: Change the function format to display function names by perf

2019-02-11 14:53:43 -05:00

trace_event_perf.c

tracing/perf: Use strndup_user() instead of buggy open-coded version

2019-02-21 10:35:10 -05:00

trace_events_filter_test.h

tracing: Fix SPDX format headers to use C++ style comments

2018-08-16 19:08:06 -04:00

trace_events_filter.c

tracing: Avoid memory leak in predicate_parse()

2019-05-28 16:27:58 -04:00

trace_events_hist.c

tracing: Add a check_val() check before updating cond_snapshot() track_val

2019-05-21 12:48:07 -04:00

trace_events_trigger.c

tracing: Add trace_array parameter to create_event_filter()

2019-04-08 09:22:28 -04:00

trace_events.c

tracing: Fix partial reading of trace event's id file

2019-05-08 12:15:12 -04:00

trace_export.c

tracing: Add trigger file for trace_markers tracefs/ftrace/print

2018-05-29 08:28:53 -04:00

trace_functions_graph.c

tracing: Put a margin between flags and duration for wakeup tracers

2019-02-06 11:56:19 -05:00

trace_functions.c

tracing: Update stack trace skipping for ORC unwinder

2018-01-23 15:57:00 -05:00

trace_hwlat.c

tracing: Add SPDX License format tags to tracing files

2018-08-16 19:08:06 -04:00

trace_irqsoff.c

Merge tag 'trace-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2019-03-11 17:01:32 -07:00

trace_kdb.c

tracing: Silence GCC 9 array bounds warning

2019-05-25 23:04:30 -04:00

trace_kprobe_selftest.c

selftest/ftrace: Move kprobe selftest function to separate compile unit

2018-07-30 18:41:04 -04:00

trace_kprobe_selftest.h

tracing: Fix SPDX format headers to use C++ style comments

2018-08-16 19:08:06 -04:00

trace_kprobe.c

tracing: Use tracing error_log with probe events

2019-04-02 18:24:07 -04:00

trace_mmiotrace.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

trace_nop.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

trace_output.c

tracing: Simplify printf'ing in seq_print_sym

2018-12-22 08:21:06 -05:00

trace_output.h

tracing: Fix SPDX format headers to use C++ style comments

2018-08-16 19:08:06 -04:00

trace_preemptirq.c

kprobes: Prohibit probing on hardirq tracers

2019-02-13 08:16:40 +01:00

trace_printk.c

tracing: Trivia spelling fix containerof() -> container_of()

2018-09-26 12:21:00 +03:00

trace_probe_tmpl.h

tracing: probeevent: Do not accumulate on ret variable

2019-05-08 12:15:11 -04:00

trace_probe.c

tracing: Replace kzalloc with kcalloc

2019-05-08 12:15:12 -04:00

trace_probe.h

tracing: uprobes: Re-enable $comm support for uprobe events

2019-05-08 12:15:11 -04:00

trace_sched_switch.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

trace_sched_wakeup.c

tracing: Add conditional snapshot

2019-02-20 13:51:06 -05:00

trace_selftest_dynamic.c

ftrace: Mark function tracer test functions noinline/noclone

2018-01-23 15:57:29 -05:00

trace_selftest.c

function_graph: Have selftest also emulate tr->reset() as it did with tr->init()

2019-04-21 19:46:56 -04:00

trace_seq.c

tracing: Add SPDX License format tags to tracing files

2018-08-16 19:08:06 -04:00

trace_stack.c

tracing: Remove the last struct stack_trace usage

2019-04-29 12:37:56 +02:00

trace_stat.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

trace_stat.h

tracing: Fix SPDX format headers to use C++ style comments

2018-08-16 19:08:06 -04:00

trace_syscalls.c

syscalls: Remove start and number from syscall_get_arguments() args

2019-04-05 09:26:43 -04:00

trace_uprobe.c

tracing: uprobes: Re-enable $comm support for uprobe events

2019-05-08 12:15:11 -04:00

trace.c

tracing: Silence GCC 9 array bounds warning

2019-05-25 23:04:30 -04:00

trace.h

tracing: Silence GCC 9 array bounds warning

2019-05-25 23:04:30 -04:00

tracing_map.c

tracing: Add SPDX License format tags to tracing files

2018-08-16 19:08:06 -04:00

tracing_map.h

tracing: Fix SPDX format headers to use C++ style comments

2018-08-16 19:08:06 -04:00