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tipc: fix link name length check

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In commit 4f07b80c97 ("tipc: check msg->req data len in
tipc_nl_compat_bearer_disable") the same patch code was copied into
routines: tipc_nl_compat_bearer_disable(),
tipc_nl_compat_link_stat_dump() and tipc_nl_compat_link_reset_stats().
The two link routine occurrences should have been modified to check
the maximum link name length and not bearer name length.

Fixes: 4f07b80c97 ("tipc: check msg->reg data len in tipc_nl_compat_bearer_disable")
Signed-off-by: John Rutherford <john.rutherford@dektech.com.au>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Rutherford 2019-11-26 13:52:55 +11:00 committed by David S. Miller
parent be2eca94d1
commit fd567ac20c
1 changed files with 2 additions and 2 deletions
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4
net/tipc/netlink_compat.c
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@ -570,7 +570,7 @@ static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg,
if (len <= 0)
return -EINVAL;
len = min_t(int, len, TIPC_MAX_BEARER_NAME);
len = min_t(int, len, TIPC_MAX_LINK_NAME);
if (!string_is_valid(name, len))
return -EINVAL;
@ -842,7 +842,7 @@ static int tipc_nl_compat_link_reset_stats(struct tipc_nl_compat_cmd_doit *cmd,
if (len <= 0)
return -EINVAL;
len = min_t(int, len, TIPC_MAX_BEARER_NAME);
len = min_t(int, len, TIPC_MAX_LINK_NAME);
if (!string_is_valid(name, len))
return -EINVAL;