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Change History

In the Linux kernel, the following vulnerability has been resolved:

f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock

It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
to avoid racing with checkpoint, otherwise, filesystem metadata including
blkaddr in dnode, inode fields and .total_valid_block_count may be
corrupted after SPO case.

kernel.org https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019 [No types assigned]

kernel.org https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b [No types assigned]

kernel.org https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f [No types assigned]

kernel.org https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4 [No types assigned]

kernel.org https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b [No types assigned]

kernel.org https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182 [No types assigned]