bcachefs: Fix an out of bounds read

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bch2_varint_decode() can read up to 7 bytes past the end of the buffer,
which means we need to allocate slightly larger key cache buffers.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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Kent Overstreet 2021-04-24 00:42:02 -04:00 • committed by Kent Overstreet

parent 65c0601a32

commit bc2e5d5c66

2 changed files with 14 additions and 2 deletions

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10

fs/bcachefs/btree_key_cache.c

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6

fs/bcachefs/btree_update_leaf.c

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