jffs2: Fix long-standing bug with symlink garbage collection.

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Ever since jffs2_garbage_collect_metadata() was first half-written in
February 2001, it's been broken on architectures where 'char' is signed.
When garbage collecting a symlink with target length above 127, the payload
length would end up negative, causing interesting and bad things to happen.

Cc: stable@kernel.org
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

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David Woodhouse 2009-12-16 03:27:20 +00:00

parent 0a032a4df6

commit 2e16cfca6e

1 changed files with 2 additions and 1 deletions

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fs/jffs2/gc.c

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