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tipc: Abort excessive send requests as early as possible

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Adds checks to TIPC's socket send routines to promptly detect and
abort attempts to send more than 66,000 bytes in a single TIPC
message or more than 2**31-1 bytes in a single TIPC byte stream request.
In addition, this ensures that the number of iovecs in a send request
does not exceed the limits of a standard integer variable.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Allan Stephens 2010-04-20 17:58:24 -04:00 • committed by Paul Gortmaker
parent 66e019a6af
commit c29c3f70c9
2 changed files with 14 additions and 1 deletions
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2
include/linux/tipc.h
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@ -101,7 +101,7 @@ static inline unsigned int tipc_node(__u32 addr)
* Limiting values for messages
*/
#define TIPC_MAX_USER_MSG_SIZE 66000
#define TIPC_MAX_USER_MSG_SIZE 66000U
/*
* Message importance levels