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It's currently possible to bypass xattr namespace access rules by prefixing valid xattr names with "os2.", since the os2 namespace stores extended attributes in a legacy format with no prefix. This patch adds checking to deny access to any valid namespace prefix following "os2.". Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Reported-by: Sergey Vlasov <vsu@altlinux.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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.. | ||
acl.c | ||
endian24.h | ||
file.c | ||
inode.c | ||
ioctl.c | ||
jfs_acl.h | ||
jfs_btree.h | ||
jfs_debug.c | ||
jfs_debug.h | ||
jfs_dinode.h | ||
jfs_dmap.c | ||
jfs_dmap.h | ||
jfs_dtree.c | ||
jfs_dtree.h | ||
jfs_extent.c | ||
jfs_extent.h | ||
jfs_filsys.h | ||
jfs_imap.c | ||
jfs_imap.h | ||
jfs_incore.h | ||
jfs_inode.c | ||
jfs_inode.h | ||
jfs_lock.h | ||
jfs_logmgr.c | ||
jfs_logmgr.h | ||
jfs_metapage.c | ||
jfs_metapage.h | ||
jfs_mount.c | ||
jfs_superblock.h | ||
jfs_txnmgr.c | ||
jfs_txnmgr.h | ||
jfs_types.h | ||
jfs_umount.c | ||
jfs_unicode.c | ||
jfs_unicode.h | ||
jfs_uniupr.c | ||
jfs_xattr.h | ||
jfs_xtree.c | ||
jfs_xtree.h | ||
Kconfig | ||
Makefile | ||
namei.c | ||
resize.c | ||
super.c | ||
symlink.c | ||
xattr.c |