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authorJ. Bruce Fields <bfields@citi.umich.edu>2008-08-29 19:18:45 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-09-01 14:24:24 -0400
commit91b80969ba466ba4b915a4a1d03add8c297add3f (patch)
tree2e35e071d4faa5a57ab6ed4d74cd3ef686e1ba91 /fs/nfsd
parent27df6f25ff218072e0e879a96beeb398a79cdbc8 (diff)
nfsd: fix buffer overrun decoding NFSv4 acl
The array we kmalloc() here is not large enough. Thanks to Johann Dahm and David Richter for bug report and testing. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: David Richter <richterd@citi.umich.edu> Tested-by: Johann Dahm <jdahm@umich.edu>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4acl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c
index b6ed38380ab..54b8b4140c8 100644
--- a/fs/nfsd/nfs4acl.c
+++ b/fs/nfsd/nfs4acl.c
@@ -443,7 +443,7 @@ init_state(struct posix_acl_state *state, int cnt)
* enough space for either:
*/
alloc = sizeof(struct posix_ace_state_array)
- + cnt*sizeof(struct posix_ace_state);
+ + cnt*sizeof(struct posix_user_ace_state);
state->users = kzalloc(alloc, GFP_KERNEL);
if (!state->users)
return -ENOMEM;