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author | Li Zefan <lizf@cn.fujitsu.com> | 2009-04-11 15:52:18 +0800 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-12 11:59:27 +0200 |
commit | 8433a40eb7f2c4883ad57f9900f63e4d59240eb7 (patch) | |
tree | 7fab36945d0266ca00a9a13c2061cc2a0a2ae5dc /kernel/ksysfs.c | |
parent | 0462b5664b2bda5a18fef7efb5bb32ce36590c1a (diff) | |
download | linux-8433a40eb7f2c4883ad57f9900f63e4d59240eb7.tar.gz |
tracing/filters: NIL-terminate user input filter
Make sure messages from user space are NIL-terminated strings, otherwise we could dump random memory while reading filter file. Try this: # echo 'parent_comm ==' > events/sched/sched_process_fork/filter # cat events/sched/sched_process_fork/filter parent_comm == � Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Tom Zanussi <tzanussi@gmail.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <49E04C32.6060508@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/ksysfs.c')
0 files changed, 0 insertions, 0 deletions