forked from luck/tmp_suning_uos_patched
8d08dab786
The buffers allocated while encrypting and decrypting long filenames can sometimes straddle two pages. In this situation, virt_to_scatterlist() will return -ENOMEM, causing the operation to fail and the user will get scary error messages in their logs: kernel: ecryptfs_write_tag_70_packet: Internal error whilst attempting to convert filename memory to scatterlist; expected rc = 1; got rc = [-12]. block_aligned_filename_size = [272] kernel: ecryptfs_encrypt_filename: Error attempting to generate tag 70 packet; rc = [-12] kernel: ecryptfs_encrypt_and_encode_filename: Error attempting to encrypt filename; rc = [-12] kernel: ecryptfs_lookup: Error attempting to encrypt and encode filename; rc = [-12] The solution is to allow up to 2 scatterlist entries to be used. Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Cc: <stable@kernel.org> |
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.. | ||
crypto.c | ||
debug.c | ||
dentry.c | ||
ecryptfs_kernel.h | ||
file.c | ||
inode.c | ||
Kconfig | ||
keystore.c | ||
kthread.c | ||
main.c | ||
Makefile | ||
messaging.c | ||
miscdev.c | ||
mmap.c | ||
read_write.c | ||
super.c |