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dmu_send: redacted: fix memory leak on invalid redaction/from bookmark

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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Signed-off-by: Christian Schwarz <me@cschwarz.com>
Closes #9867
This commit is contained in:
Christian Schwarz 2020-01-18 21:40:30 +01:00 committed by Brian Behlendorf
parent f658f61c72
commit 0ea03c7c82
2 changed files with 10 additions and 6 deletions
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12
module/zfs/dmu_send.c
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@ -2342,12 +2342,6 @@ dmu_send_impl(struct dmu_send_params *dspp)
return (err);
}
from_arg = kmem_zalloc(sizeof (*from_arg), KM_SLEEP);
to_arg = kmem_zalloc(sizeof (*to_arg), KM_SLEEP);
rlt_arg = kmem_zalloc(sizeof (*rlt_arg), KM_SLEEP);
smt_arg = kmem_zalloc(sizeof (*smt_arg), KM_SLEEP);
spt_arg = kmem_zalloc(sizeof (*spt_arg), KM_SLEEP);
/*
* If we're doing a redacted send, hold the bookmark's redaction list.
*/
@ -2382,6 +2376,12 @@ dmu_send_impl(struct dmu_send_params *dspp)
dsl_dataset_long_hold(to_ds, FTAG);
from_arg = kmem_zalloc(sizeof (*from_arg), KM_SLEEP);
to_arg = kmem_zalloc(sizeof (*to_arg), KM_SLEEP);
rlt_arg = kmem_zalloc(sizeof (*rlt_arg), KM_SLEEP);
smt_arg = kmem_zalloc(sizeof (*smt_arg), KM_SLEEP);
spt_arg = kmem_zalloc(sizeof (*spt_arg), KM_SLEEP);
drr = create_begin_record(dspp, os, featureflags);
dssp = setup_send_progress(dspp);

4
tests/zfs-tests/tests/functional/redacted_send/redacted_negative.ksh
View File

@ -77,6 +77,10 @@ log_mustnot zfs redact $recvfs@snap book5 $clone3@snap
# Nor may a redacted dataset appear in the redaction list.
log_mustnot zfs redact testpool2/recvfs@snap2 book7 testpool2/recvfs@snap
# Non-redaction bookmark cannot be sent and produces invalid argument error
log_must zfs bookmark "$sendfs@snap1" "$sendfs#book8"
log_must eval "zfs send --redact book8 -i $sendfs@snap1 $sendfs@snap2 2>&1 | head -n 100 | grep 'internal error: Invalid argument'"
# Error messages for common usage errors
log_mustnot_expect "not contain '#'" zfs redact $sendfs@snap1 \#book $sendfs@snap2
log_mustnot_expect "not contain '#'" zfs redact $sendfs@snap1 $sendfs#book $sendfs@snap2