check_forechannel_attrs have get drc memory, nfsd must put it when check_backchannel_attrs failed. After many requests with bad back channel attrs, nfsd will deny any client's CREATE_SESSION forever. A new test case named CSESS29 for pynfs will send in another mail. Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx> --- fs/nfsd/nfs4state.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 105d6fa..4e2c9ba 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1913,7 +1913,7 @@ nfsd4_create_session(struct svc_rqst *rqstp, return status; status = check_backchannel_attrs(&cr_ses->back_channel); if (status) - return status; + goto out_release_drc_mem; status = nfserr_jukebox; new = alloc_session(&cr_ses->fore_channel); if (!new) -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html