82 lines
3.2 KiB
Diff
82 lines
3.2 KiB
Diff
From f4e6978ca49266448190e8e5bac68a8539795eb7 Mon Sep 17 00:00:00 2001
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From: Yifeng Sun <pkusunyifeng@gmail.com>
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Date: Wed, 11 Sep 2019 14:18:35 -0700
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Subject: db-ctl-base: Free leaked ovsdb_datum
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Valgrind reported:
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2491: database commands -- negative checks
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==19245== 36 (32 direct, 4 indirect) bytes in 1 blocks are definitely lost in loss record 36 of 53
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==19245== at 0x4C2FD5F: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
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==19245== by 0x431AB4: xrealloc (util.c:149)
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==19245== by 0x41656D: ovsdb_datum_reallocate (ovsdb-data.c:1883)
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==19245== by 0x41656D: ovsdb_datum_union (ovsdb-data.c:1961)
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==19245== by 0x4107B2: cmd_add (db-ctl-base.c:1494)
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==19245== by 0x406E2E: do_vsctl (ovs-vsctl.c:2626)
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==19245== by 0x406E2E: main (ovs-vsctl.c:183)
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==19252== 16 bytes in 1 blocks are definitely lost in loss record 9 of 52
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==19252== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
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==19252== by 0x430F74: xmalloc (util.c:138)
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==19252== by 0x414D07: clone_atoms (ovsdb-data.c:990)
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==19252== by 0x4153F6: ovsdb_datum_clone (ovsdb-data.c:1012)
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==19252== by 0x4104D3: cmd_remove (db-ctl-base.c:1564)
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==19252== by 0x406E2E: do_vsctl (ovs-vsctl.c:2626)
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==19252== by 0x406E2E: main (ovs-vsctl.c:183)
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This patch fixes them.
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Acked-by: William Tu <u9012063@gmail.com>
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Signed-off-by: Yifeng Sun <pkusunyifeng@gmail.com>
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Signed-off-by: Ben Pfaff <blp@ovn.org>
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---
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lib/db-ctl-base.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/lib/db-ctl-base.c b/lib/db-ctl-base.c
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index 3bd9f006a..6878d6326 100644
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--- a/lib/db-ctl-base.c
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+++ b/lib/db-ctl-base.c
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@@ -1489,6 +1489,7 @@ cmd_add(struct ctl_context *ctx)
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ctx->error = ovsdb_datum_from_string(&add, &add_type, ctx->argv[i],
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ctx->symtab);
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if (ctx->error) {
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+ ovsdb_datum_destroy(&old, &column->type);
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return;
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}
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ovsdb_datum_union(&old, &add, type, false);
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@@ -1500,6 +1501,7 @@ cmd_add(struct ctl_context *ctx)
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old.n,
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type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
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column->name, table->name, type->n_max);
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+ ovsdb_datum_destroy(&old, &column->type);
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return;
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}
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ovsdb_idl_txn_verify(row, column);
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@@ -1581,10 +1583,12 @@ cmd_remove(struct ctl_context *ctx)
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ctx->argv[i],
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ctx->symtab);
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if (ctx->error) {
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+ ovsdb_datum_destroy(&old, &column->type);
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return;
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}
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} else {
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ctx->error = error;
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+ ovsdb_datum_destroy(&old, &column->type);
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return;
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}
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}
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@@ -1596,6 +1600,7 @@ cmd_remove(struct ctl_context *ctx)
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"table %s but the minimum number is %u", old.n,
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type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
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column->name, table->name, type->n_min);
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+ ovsdb_datum_destroy(&old, &column->type);
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return;
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}
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ovsdb_idl_txn_verify(row, column);
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--
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2.14.1
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