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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-05 11:52:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-05 11:52:03 -0800 |
| commit | 5ee8dbf54602dc340d6235b1d6aa17c0f283f48c (patch) | |
| tree | 6edd1e11fbe3c4366d45e503d6a1fdb4ba822820 | |
| parent | 6a42ff33f38d171a6bf8304f6323c43e8a0ed9b6 (diff) | |
| parent | a300000233a9ff842e2fb450fb9a79f7827a586d (diff) | |
Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linuxHEADtorvalds/mastertorvalds/HEADmaster
Pull fsverity fix from Eric Biggers:
"Prevent CONFIG_FS_VERITY from being enabled when the page size is
256K, since it doesn't work in that case"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux:
fsverity: add dependency on 64K or smaller pages
| -rw-r--r-- | fs/verity/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/verity/Kconfig b/fs/verity/Kconfig index 76d1c5971b82..b20882963ffb 100644 --- a/fs/verity/Kconfig +++ b/fs/verity/Kconfig @@ -2,6 +2,9 @@ config FS_VERITY bool "FS Verity (read-only file-based authenticity protection)" + # Filesystems cache the Merkle tree at a 64K aligned offset in the + # pagecache. That approach assumes the page size is at most 64K. + depends on PAGE_SHIFT <= 16 select CRYPTO_HASH_INFO select CRYPTO_LIB_SHA256 select CRYPTO_LIB_SHA512 |