bcachefs: Add safe versions of varint encode/decode

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This adds safe versions of bch2_varint_(encode|decode) that don't read
or write past the end of the buffer, or varint being encoded.

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

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Kent Overstreet 2021-07-13 16:03:51 -04:00 • committed by Kent Overstreet

parent 2e655e6de2

commit 8d34458781

4 changed files with 80 additions and 6 deletions

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4

fs/bcachefs/alloc_background.c

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6

fs/bcachefs/inode.c

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73

fs/bcachefs/varint.c

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3

fs/bcachefs/varint.h

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