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DEVEL15-largefile-avoid-wraparound-write-to-old-server-20071204
author
Derrick Brashear
<shadow@dementia.org>
Tue, 4 Dec 2007 21:09:49 +0000 (21:09 +0000)
committer
Derrick Brashear
<shadow@dementia.org>
Tue, 4 Dec 2007 21:09:49 +0000 (21:09 +0000)
LICENSE IPL10
FIXES 73720
apply analogous check that's in fileserver to clients writing to old servers
(cherry picked from commit
d13cd42cb4e0b2fe3f91565eac37dc3f3e6d3270
)
src/afs/afs_segments.c
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diff --git
a/src/afs/afs_segments.c
b/src/afs/afs_segments.c
index
d9b6e8d
..
dce5ac8
100644
(file)
--- a/
src/afs/afs_segments.c
+++ b/
src/afs/afs_segments.c
@@
-92,6
+92,10
@@
afs_StoreMini(register struct vcache *avc, struct vrequest *areq)
afs_int32 l1, l2;
l1 = avc->m.Length;
l2 = tlen;
+ if ((avc->m.Length > 0x7fffffff) ||
+ (tlen > 0x7fffffff) ||
+ ((0x7fffffff - tlen) < avc->m.Length))
+ return EFBIG;
code =
StartRXAFS_StoreData(tcall,
(struct AFSFid *)&avc->fid.Fid,