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(parent: d8ca15a) | patch
profile: fix stats and data leakage
authorHugh Dickins <hughd@google.com>
Sat, 15 May 2010 02:44:10 +0000 (19:44 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 26 May 2010 21:29:18 +0000 (14:29 -0700)
commit7ff4b9ccdac041b6745b9c43ac2cc5639ffc8c1b
tree8ec694010cc77e0c74ba9859073d00881a4b57f8tree | snapshot
parentd8ca15afb835aff91c0a1dedb1b4e47171180312commit | diff
profile: fix stats and data leakage

commit 16a2164bb03612efe79a76c73da6da44445b9287 upstream.

If the kernel is large or the profiling step small, /proc/profile
leaks data and readprofile shows silly stats, until readprofile -r
has reset the buffer: clear the prof_buffer when it is vmalloc()ed.

Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
kernel/profile.c diff | blob | history
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