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linux/kernel/trace
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Steven Rostedt 54f7be5b83 ring-buffer: Fix NULL pointer if rb_set_head_page() fails 
The function rb_set_head_page() searches the list of ring buffer
pages for a the page that has the HEAD page flag set. If it does
not find it, it will do a WARN_ON(), disable the ring buffer and
return NULL, as this should never happen.

But if this bug happens to happen, not all callers of this function
can handle a NULL pointer being returned from it. That needs to be
fixed.

Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-11-30 11:09:28 -05:00
..
blktrace.c simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
ftrace.c ftrace: Clear bits properly in reset_iter_read() 2012-11-15 16:10:17 -05:00
Kconfig trace: Stop compiling in trace_clock unconditionally 2012-09-13 22:52:08 -04:00
Makefile trace: Stop compiling in trace_clock unconditionally 2012-09-13 22:52:08 -04:00
power-traces.c perf: Clean up power events by introducing new, more generic ones 2011-01-04 08:16:54 +01:00
ring_buffer.c ring-buffer: Fix NULL pointer if rb_set_head_page() fails 2012-11-30 11:09:28 -05:00
ring_buffer_benchmark.c tracing: Use NUMA allocation for per-cpu ring buffer pages 2011-06-14 22:04:39 -04:00
rpm-traces.c PM / Runtime: Introduce trace points for tracing rpm_* functions 2011-09-27 22:53:27 +02:00
trace.c Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-07 21:04:56 +09:00
trace.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-10-02 11:11:09 -07:00
trace_branch.c tracing: Allow events to share their print functions 2010-05-14 14:20:32 -04:00
trace_clock.c tracing: Add a counter clock for those that do not trust clocks 2011-09-19 11:35:58 -04:00
trace_entries.h Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent 2012-03-24 08:19:09 +01:00
trace_event_perf.c perf/core improvements and fixes: 2012-08-21 11:27:00 +02:00
trace_events.c trace: Move trace event enable from fs_initcall to core_initcall 2012-09-24 14:13:02 -04:00
trace_events_filter.c tracing/filter: Add missing initialization 2012-08-07 09:42:47 -04:00
trace_events_filter_test.h tracing/filter: Add startup tests for events filter 2011-08-19 14:35:59 -04:00
trace_export.c tracing: Do not enable function event with enable 2012-05-10 15:55:43 -04:00
trace_functions.c 1. We no longer ad-hoc to the function tracer "high level" infrastructure 2012-10-07 17:30:50 +09:00
trace_functions_graph.c ftrace: Do not test frame pointers if -mfentry is used 2012-08-23 11:25:29 -04:00
trace_irqsoff.c ftrace: Add default recursion protection for function tracing 2012-07-31 10:29:52 -04:00
trace_kdb.c kdb,ftdump: Remove reference to internal kdb include 2010-10-22 15:34:11 -05:00
trace_kprobe.c perf/trace: Add ability to set a target task for events 2012-07-31 17:02:05 +02:00
trace_mmiotrace.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
trace_nop.c
trace_output.c tracing: Register the ftrace internal events during early boot 2012-06-14 15:22:14 -04:00
trace_output.h tracing: Allow events to share their print functions 2010-05-14 14:20:32 -04:00
trace_printk.c tracing: Add percpu buffers for trace_printk() 2012-04-23 21:15:55 -04:00
trace_probe.c tracing: Provide trace events interface for uprobes 2012-05-07 14:30:17 +02:00
trace_probe.h tracing: Provide trace events interface for uprobes 2012-05-07 14:30:17 +02:00
trace_sched_switch.c tracing: Remove obsolete sched_switch tracer 2011-02-08 17:14:56 -05:00
trace_sched_wakeup.c ftrace: Add default recursion protection for function tracing 2012-07-31 10:29:52 -04:00
trace_selftest.c tracing: Fix wakeup_rt self test on virtual machines 2012-08-07 09:40:51 -04:00
trace_selftest_dynamic.c ftrace: Add self-tests for multiple function trace users 2011-05-18 19:24:51 -04:00
trace_stack.c ftrace: Add default recursion protection for function tracing 2012-07-31 10:29:52 -04:00
trace_stat.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
trace_stat.h
trace_syscalls.c trace: Move trace event enable from fs_initcall to core_initcall 2012-09-24 14:13:02 -04:00
trace_uprobe.c perf/trace: Add ability to set a target task for events 2012-07-31 17:02:05 +02:00