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Tony Jones 1738483f68 tools lib traceevent: Fix buffer overflow in arg_eval 
[ Upstream commit 7c5b019e3a638a5a290b0ec020f6ca83d2ec2aaa ]

Fix buffer overflow observed when running perf test.

The overflow is when trying to evaluate "1ULL << (64 - 1)" which is
resulting in -9223372036854775808 which overflows the 20 character
buffer.

If is possible this bug has been reported before but I still don't see
any fix checked in:

See: https://www.spinics.net/lists/linux-perf-users/msg07714.html

Reported-by: Michael Sartain <mikesart@fastmail.com>
Reported-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Tony Jones <tonyj@suse.de>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Fixes: f7d82350e5 ("tools/events: Add files to create libtraceevent.a")
Link: http://lkml.kernel.org/r/20190228015532.8941-1-tonyj@suse.de
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2019-07-27 22:10:03 +02:00
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cgroup
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firewire
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hv
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include/tools
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lguest
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lib tools lib traceevent: Fix buffer overflow in arg_eval 2019-07-27 22:10:03 +02:00
net
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nfsd
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perf perf session: Fix infinite loop on invalid perf.data file 2019-07-27 21:52:40 +02:00
power tools/power turbostat: Use $(CURDIR) instead of $(PWD) and add support for O= option in Makefile 2015-05-06 21:56:26 +02:00
scripts
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testing ktest: Fix child exit code processing 2019-07-27 21:43:09 +02:00
usb
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virtio
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vm tools/vm/slabinfo: fix an unintentional printf 2019-07-27 21:42:47 +02:00
Makefile tools: Add a "make all" rule 2016-03-03 15:06:19 -08:00
dtbTool Import latest Samsung release 2017-04-18 03:43:52 +02:00
mkbootimg Import latest Samsung release 2017-04-18 03:43:52 +02:00