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authorBryan Wu <bryan.wu@analog.com>2007-06-05 11:02:01 +0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-07 17:11:13 -0700
commit85f6038f2170e3335dda09c3dfb0f83110e87019 (patch)
treeb756deeb0873f18ad8711db7dba948ca8d698d6f /security
parentc8d8170feb824875baf68f8aaecb181a6500ce81 (diff)
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RAMFS NOMMU: missed POSIX UID/GID inode attribute checking
This bug was caught by LTP testcase fchmod06 on Blackfin platform. In the manpage of fchmod, "EPERM: The effective UID does not match the owner of the file, and the process is not privileged (Linux: it does not have the CAP_FOWNER capability)." But the ramfs nommu code missed the inode_change_ok POSIX UID/GID verification. This patch fixed this. Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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