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authorSteve French <sfrench@us.ibm.com>2007-11-13 22:41:37 +0000
committerSteve French <sfrench@us.ibm.com>2007-11-13 22:41:37 +0000
commit133672efbc1085f9af990bdc145e1822ea93bcf3 (patch)
treeb93b5ba3a9559d137fe7fb86f6d1a3d33189ce0b /fs/cifs/cifs_spnego.c
parent9418d5dc9ba40b88737580457bf3b7c63c60ec43 (diff)
downloadvexpress-lsk-133672efbc1085f9af990bdc145e1822ea93bcf3.tar.gz
[CIFS] Fix buffer overflow if server sends corrupt response to small
request In SendReceive() function in transport.c - it memcpy's message payload into a buffer passed via out_buf param. The function assumes that all buffers are of size (CIFSMaxBufSize + MAX_CIFS_HDR_SIZE) , unfortunately it is also called with smaller (MAX_CIFS_SMALL_BUFFER_SIZE) buffers. There are eight callers (SMB worker functions) which are primarily affected by this change: TreeDisconnect, uLogoff, Close, findClose, SetFileSize, SetFileTimes, Lock and PosixLock CC: Dave Kleikamp <shaggy@austin.ibm.com> CC: Przemyslaw Wegrzyn <czajnik@czajsoft.pl> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifs_spnego.c')
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