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Brian Behlendorf 4a98780933 Preserve itx alloc size for zio_data_buf_free()

Using zio_data_buf_alloc() to allocate the itx's may be unsafe
because the itx->itx_lr.lrc_reclen field is not constant from
allocation to free.  Using a different itx->itx_lr.lrc_reclen
size in zio_data_buf_free() can result in the allocation being
returned to the wrong kmem cache.

This issue can be avoided entirely by storing the allocation size
in itx->itx_size and using that for zio_data_buf_free().

Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #6912

2017-12-04 17:21:39 -08:00

linux

Linux 4.14 compat: IO acct, global_page_state, etc (#6655 )

2017-09-19 14:24:34 -07:00

sys

Preserve itx alloc size for zio_data_buf_free()

2017-12-04 17:21:39 -08:00

libnvpair.h

Support custom build directories and move includes

2010-09-08 12:38:56 -07:00

libuutil_common.h

Support custom build directories and move includes