Re: [f2fs-dev] [PATCH] f2fs: use the mount idmap for the owner check in f2fs_xattr_advise_set()
| Newsgroups | org.kernel.vger.linux-fsdevel,net.sourceforge.lists.linux-f2fs-devel,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
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| Message-ID | <178596484188.530543.11645876783488345046.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim <[email protected]>: On Tue, 28 Jul 2026 21:16:56 -0700 you wrote: > f2fs_xattr_advise_set() calls inode_owner_or_capable() with > &nop_mnt_idmap before allowing the advise xattr to be set, instead of > the idmap that was passed into the handler. > > Since f2fs supports idmapped mounts, this compares the caller's fsuid > against the unmapped on-disk owner rather than the mapped owner; resulting > in the actual owner to be wrongly denied with -EPERM. Use the idmap > argument that was already passed to the xattr handler instead. > > [...] Here is the summary with links: - [f2fs-dev] f2fs: use the mount idmap for the owner check in f2fs_xattr_advise_set() https://git.kernel.org/jaegeuk/f2fs/c/a54ffce4637a You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html