From: Christian Brauner Date: Sat, 4 Jan 2025 09:15:58 +0000 (+0100) Subject: Merge patch series "Improve simple directory offset wrap behavior" X-Git-Tag: io_uring-6.14-20240131~34^2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=a0634b457eca16b21a4525bc40cd2db80f52dadc;p=linux-block.git Merge patch series "Improve simple directory offset wrap behavior" Chuck Lever says: The purpose of this series is to construct a set of upstream fixes that can be backported to v6.6 to address CVE-2024-46701. In response to a reported failure of libhugetlbfs-test.32bit.gethugepagesizes: https://lore.kernel.org/linux-fsdevel/f996eec0-30e1-4fbf-a936-49f3bedc09e9@oracle.com/T/#t I've narrowed the range of directory offset values returned by simple_offset_add() to 3 .. (S32_MAX - 1) on all platforms. This means the allocation behavior is identical on 32-bit systems, 64-bit systems, and 32-bit user space on 64-bit kernels. The new range still permits over 2 billion concurrent entries per directory. * patches from https://lore.kernel.org/r/20241228175522.1854234-1-cel@kernel.org: libfs: Use d_children list to iterate simple_offset directories libfs: Replace simple_offset end-of-directory detection Revert "libfs: fix infinite directory reads for offset dir" Revert "libfs: Add simple_offset_empty()" libfs: Return ENOSPC when the directory offset range is exhausted Link: https://lore.kernel.org/r/20241228175522.1854234-1-cel@kernel.org Signed-off-by: Christian Brauner --- a0634b457eca16b21a4525bc40cd2db80f52dadc