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(parent: 1242a87) | patch
NFSD: Protect against send buffer overflow in NFSv2 READDIR
authorChuck Lever <chuck.lever@oracle.com>
Thu, 1 Sep 2022 19:10:05 +0000 (15:10 -0400)
committerChuck Lever <chuck.lever@oracle.com>
Mon, 26 Sep 2022 18:02:26 +0000 (14:02 -0400)
commit00b4492686e0497fdb924a9d4c8f6f99377e176c
tree9eca05370c89e05c5616625dd2de3e31d26e634dtree | snapshot
parent1242a87da0d8cd2a428e96ca68e7ea899b0f4624commit | diff
NFSD: Protect against send buffer overflow in NFSv2 READDIR

Restore the previous limit on the @count argument to prevent a
buffer overflow attack.

Fixes: 53b1119a6e50 ("NFSD: Fix READDIR buffer overflow")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
fs/nfsd/nfsproc.c diff | blob | history
Domain: System / Kernel;