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CVS commit: src/sys/kern
Module Name: src
Committed By: riastradh
Date: Thu Feb 14 01:00:08 UTC 2013
src/sys/kern: uipc_syscalls.c uipc_usrreq.c
Fix some screw cases in cmsg file descriptor passing.
- Don't leave garbage in the control buffer if allocating file
descriptors fails in unp_externalize.
- Scrub the space between CMSG_LEN and CMSG_SPACE to avoid kernel
memory disclosure in unp_externalize.
- Don't read past cmsg_len when closing file descriptors that
couldn't get delivered, in free_rights.
To generate a diff of this commit:
cvs rdiff -u -r1.158 -r1.159 src/sys/kern/uipc_syscalls.c
cvs rdiff -u -r1.140 -r1.141 src/sys/kern/uipc_usrreq.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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