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| author | Eric Dumazet <edumazet@google.com> | 2022-03-25 09:50:21 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-03-26 14:17:01 -0700 |
| commit | 5ae6acf1d00be462d7b08b4a8748798ef595ae5a (patch) | |
| tree | c4ba33377997d857c7db9be424800178fcbfdff2 /net/smc | |
| parent | 5c7e49be96ea24776a5b5a07c732c477294add00 (diff) | |
| download | linux-5ae6acf1d00be462d7b08b4a8748798ef595ae5a.tar.gz linux-5ae6acf1d00be462d7b08b4a8748798ef595ae5a.tar.bz2 linux-5ae6acf1d00be462d7b08b4a8748798ef595ae5a.zip | |
net/smc: fix a memory leak in smc_sysctl_net_exit()
Recently added smc_sysctl_net_exit() forgot to free
the memory allocated from smc_sysctl_net_init()
for non initial network namespace.
Fixes: 462791bbfa35 ("net/smc: add sysctl interface for SMC")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Tony Lu <tonylu@linux.alibaba.com>
Cc: Dust Li <dust.li@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc')
| -rw-r--r-- | net/smc/smc_sysctl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/smc/smc_sysctl.c b/net/smc/smc_sysctl.c index bae19419e755..cf3ab1334c00 100644 --- a/net/smc/smc_sysctl.c +++ b/net/smc/smc_sysctl.c @@ -61,5 +61,10 @@ err_alloc: void __net_exit smc_sysctl_net_exit(struct net *net) { + struct ctl_table *table; + + table = net->smc.smc_hdr->ctl_table_arg; unregister_net_sysctl_table(net->smc.smc_hdr); + if (!net_eq(net, &init_net)) + kfree(table); } |