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| author | Sasha Levin <sasha.levin@oracle.com> | 2015-02-03 08:55:58 -0500 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2015-04-22 08:58:47 +0200 |
| commit | b4482b533bfb54232f31d72c8ab70c1400385040 (patch) | |
| tree | 39b812c95579966a3fdbf8782bc5e665c3f703fd /net/rds | |
| parent | 95ed43f190b8894b4681ed78c0272f9d87015a69 (diff) | |
| download | lwn-b4482b533bfb54232f31d72c8ab70c1400385040.tar.gz lwn-b4482b533bfb54232f31d72c8ab70c1400385040.zip | |
net: rds: use correct size for max unacked packets and bytes
commit db27ebb111e9f69efece08e4cb6a34ff980f8896 upstream.
Max unacked packets/bytes is an int while sizeof(long) was used in the
sysctl table.
This means that when they were getting read we'd also leak kernel memory
to userspace along with the timeout values.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'net/rds')
| -rw-r--r-- | net/rds/sysctl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rds/sysctl.c b/net/rds/sysctl.c index b5cb2aa08f33..35773ad6d23d 100644 --- a/net/rds/sysctl.c +++ b/net/rds/sysctl.c @@ -71,14 +71,14 @@ static struct ctl_table rds_sysctl_rds_table[] = { { .procname = "max_unacked_packets", .data = &rds_sysctl_max_unacked_packets, - .maxlen = sizeof(unsigned long), + .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "max_unacked_bytes", .data = &rds_sysctl_max_unacked_bytes, - .maxlen = sizeof(unsigned long), + .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, |