Peter Zijlstra 451d24d1e5 perf/core: Fix crash in perf_event_read() ... Alexei had his box explode because doing read() on a package (rapl/uncore) event that isn't currently scheduled in ends up doing an out-of-bounds load. Rework the code to more explicitly deal with event->oncpu being -1. Reported-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Tested-by: Alexei Starovoitov <ast@kernel.org> Tested-by: David Carrillo-Cisneros <davidcc@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: eranian@google.com Fixes: d6a2f9035b ("perf/core: Introduce PMU_EV_CAP_READ_ACTIVE_PKG") Link: http://lkml.kernel.org/r/20170131102710.GL6515@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>		2017-02-10 09:04:50 +01:00
..
callchain.c	perf core: Per event callchain limit	2016-05-30 12:41:44 -03:00
core.c	perf/core: Fix crash in perf_event_read()	2017-02-10 09:04:50 +01:00
hw_breakpoint.c	perf: Collapse and fix event_function_call() users	2016-01-21 18:54:24 +01:00
internal.h	bpf, events: fix offset in skb copy handler	2016-07-25 10:34:11 -07:00
Makefile	ftrace: allow architectures to specify ftrace compile options	2015-01-29 09:19:19 +01:00
ring_buffer.c	perf/core: Fix aux_mmap_count vs aux_refcount order	2016-09-10 11:15:36 +02:00
uprobes.c	Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2016-12-23 16:49:12 -08:00