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Writing to /proc/dasd/statistics while the debug level of the generic dasd debug entry is set to DBF_DEBUG will lead to an use after free when accessing the debug entry later. Since for the format string "%s" in the s390 dbf only a pointer to the string is stored in the debug feature and the buffer used here is freed afterwards. To fix this just remove the debug message. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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