Steven Rostedt (Red Hat) 0d75118c75 tracing: Move mutex to protect against resetting of seq data ...

commit 1245800c0f upstream.

The iter->seq can be reset outside the protection of the mutex. So can
reading of user data. Move the mutex up to the beginning of the function.

Fixes: d7350c3f45 ("tracing/core: make the read callbacks reentrants")
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>

2017-02-10 11:03:58 +01:00

..

blktrace.c

blktrace: fix accounting of partially completed requests

2014-05-30 21:52:11 -07:00

ftrace.c

tracing: Fix graph tracer with stack tracer on other archs

2014-07-28 08:00:03 -07:00

Kconfig

ring-buffer: Select IRQ_WORK

2013-05-03 19:24:17 -04:00

Makefile

trace: Stop compiling in trace_clock unconditionally

2012-09-13 22:52:08 -04:00

power-traces.c

PM / tracing: remove deprecated power trace API

2013-01-26 00:39:12 +01:00

ring_buffer_benchmark.c

ring-buffer-benchmark: Fix the wrong sched_priority of producer

2015-06-22 16:55:53 -07:00

ring_buffer.c

ring-buffer: Prevent overflow of size in ring_buffer_resize()

2016-06-07 10:42:55 +02:00

rpm-traces.c

PM / Runtime: Introduce trace points for tracing rpm_* functions

2011-09-27 22:53:27 +02:00

trace_branch.c

tracing: Have branch tracer use recursive field of task struct

2015-08-03 09:29:45 -07:00

trace_clock.c

tracing: Fix wraparound problems in "uptime" trace clock

2014-07-31 12:53:49 -07:00

trace_entries.h

tracing: Add trace_puts() for even faster trace_printk() tracing

2013-03-15 00:35:55 -04:00

trace_event_perf.c

perf/ftrace: Fix paranoid level for enabling function tracer

2013-11-29 11:11:43 -08:00

trace_events_filter_test.h

tracing/filter: Add startup tests for events filter

2011-08-19 14:35:59 -04:00

trace_events_filter.c

tracing/filter: Do not allow infix to exceed end of string

2015-08-03 09:29:45 -07:00

trace_events.c

tracing: Fix showing function event in available_events

2016-03-03 15:06:24 -08:00

trace_export.c

tracing: Fix array size mismatch in format string

2014-03-31 09:58:12 -07:00

trace_functions_graph.c

tracing: Consolidate max_tr into main trace_array structure

2013-03-15 00:35:40 -04:00

trace_functions.c

tracing: Add function probe to trigger stack traces

2013-03-15 00:36:05 -04:00

trace_irqsoff.c

tracing: Have preempt(irqs)off trace preempt disabled functions

2016-06-07 10:42:47 +02:00

trace_kdb.c

tracing: Consolidate max_tr into main trace_array structure

2013-03-15 00:35:40 -04:00

trace_kprobe.c

tracing/kprobes: Fail to unregister if probe event files are in use

2013-08-29 09:47:34 -07:00

trace_mmiotrace.c

tracing: Consolidate max_tr into main trace_array structure

2013-03-15 00:35:40 -04:00

trace_nop.c

tracing/ftrace: make nop-tracer use polling wait for events on pipe

2009-03-23 09:22:15 +01:00

trace_output.c

Merge tag 'trace-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2013-04-29 13:55:38 -07:00

trace_output.h

tracing: Rename trace_event_mutex to trace_event_sem

2013-03-15 13:22:10 -04:00

trace_printk.c

tracing: Handle NULL formats in hold_module_trace_bprintk_format()

2016-08-27 11:40:24 +02:00

trace_probe.c

tracing: Replace strict_strto* with kstrto*

2012-10-31 16:45:23 -04:00

trace_probe.h

uprobes/tracing: Introduce is_trace_uprobe_enabled()

2013-02-08 18:24:30 +01:00

trace_sched_switch.c

tracing: Consolidate max_tr into main trace_array structure

2013-03-15 00:35:40 -04:00

trace_sched_wakeup.c

tracing: Add function-trace option to disable function tracing of latency tracers

2013-03-15 00:36:08 -04:00

trace_selftest_dynamic.c

ftrace: Add self-tests for multiple function trace users

2011-05-18 19:24:51 -04:00

trace_selftest.c

tracing: Fix bad parameter passed in branch selftest

2013-05-29 16:00:03 -04:00

trace_stack.c

Merge tag 'trace-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2013-04-29 13:55:38 -07:00

trace_stat.c

tracing: Check return value of tracing_init_dentry()

2013-04-12 23:02:32 -04:00

trace_stat.h

tracing/stat: Add stat_release() callback

2009-07-10 12:14:05 +02:00

trace_syscalls.c

tracing/syscalls: Ignore numbers outside NR_syscalls' range

2014-11-14 08:47:53 -08:00

trace_uprobe.c

tracing/uprobes: Fail to unregister if probe event files are in use

2013-08-29 09:47:34 -07:00

trace.c

tracing: Move mutex to protect against resetting of seq data

2017-02-10 11:03:58 +01:00

trace.h

tracing: Have branch tracer use recursive field of task struct

2015-08-03 09:29:45 -07:00