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CVS commit: [netbsd-6] src/sys/netsmb



Module Name:    src
Committed By:   snj
Date:           Sat Aug 19 04:44:56 UTC 2017

Modified Files:
        src/sys/netsmb [netbsd-6]: smb_dev.c smb_subr.c smb_subr.h smb_usr.c

Log Message:
Pull up following revision(s) (requested by mrg in ticket #1487):
        sys/netsmb/smb_dev.c: 1.50
        sys/netsmb/smb_subr.c: 1.38
        sys/netsmb/smb_subr.h: 1.22
        sys/netsmb/smb_usr.c: 1.17-1.19
Reject allocations for too-small buffers from userland.
>From Ilja Van Sprundel.
--
Plug another overflow: refuse bogus sa_len from user.
--
Reject negative ioc_setupcnt.
--
Reject negative offset/count for smb read/write.
Not clear that this is actually a problem for the kernel -- might
overwrite user's buffers or return garbage to user, but that's their
own damn fault.  But it's hard to imagine that negative offset/count
ever makes sense, and I haven't ruled out a problem for the kernel.


To generate a diff of this commit:
cvs rdiff -u -r1.39 -r1.39.14.1 src/sys/netsmb/smb_dev.c
cvs rdiff -u -r1.36 -r1.36.8.1 src/sys/netsmb/smb_subr.c
cvs rdiff -u -r1.20 -r1.20.14.1 src/sys/netsmb/smb_subr.h
cvs rdiff -u -r1.16 -r1.16.18.1 src/sys/netsmb/smb_usr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.




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