bcachefs: Fix oob write in __bch2_btree_node_write

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Fix a possible out of bounds write in __bch2_btree_node_write when
the data buffer padding is cleared up to the block size. The out of
bounds write is possible if the data buffers size is not a multiple
of the block size.

Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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Dan Robertson 2021-05-07 22:29:02 -04:00 • committed by Kent Overstreet

parent 1784d43a88

commit 5bc38f44fa

1 changed files with 3 additions and 0 deletions

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fs/bcachefs/btree_io.c

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