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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-03-30 19:34:23 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-03-31 14:34:08 -0400
commit522cd7f18bf1e4a024d6771186a0149c5ca8109c (patch)
tree488e36ebe074c5b1caceb2dcdcfe472e2dbfb692 /.dir-locals.el
parent4cd5f79d0bf9fb62636485dd36ee961774361c14 (diff)
bootchart: fix a potential buffer overrun
If the configured number of samples was close to MAXSAMPLES, the samples buffer could be overrun: - by 1, because of off-by-one in the condition (samples > arg_samples_len), and - by many in case of an overrun, because the number of samples to capture was increased, instead of being decreased. Simplify things by converting to a normal for-loop. In store.c: change buffer size from 4095 to 4096. 4095 is a strange number.
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