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authorOleg Nesterov <oleg@redhat.com>2013-07-03 15:08:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 16:08:02 -0700
commit923bed030ff6e20b5176e10da151fade83097891 (patch)
tree80de412a4f62fda39eea66fe2c2d0c7f09a30e89 /Kconfig
parent5fe9d8ca21cc1517258fe448639392d5d542eec6 (diff)
downloadlinux-923bed030ff6e20b5176e10da151fade83097891.tar.bz2
coredump: kill cn_escape(), introduce cn_esc_printf()
The usage of cn_escape() looks really annoying, imho this sequence needs a wrapper. And it is buggy. If cn_printf() does expand_corename() cn_escape() writes to the freed memory. Introduce cn_esc_printf() which hopefully does this all right. It records the index before cn_vprintf(), not "char *" which is no longer valid (in general) after krealloc(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Colin Walters <walters@verbum.org> Cc: Denys Vlasenko <vda.linux@googlemail.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Lennart Poettering <mzxreary@0pointer.de> Cc: Lucas De Marchi <lucas.de.marchi@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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