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From 4fb594e8d54bad70ddd1e195af422bbd0b9fd4a8 Mon Sep 17 00:00:00 2001
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From: Sanju Rakonde <srakonde@redhat.com>
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Date: Wed, 4 Jul 2018 14:45:51 +0530
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Subject: [PATCH 308/325] glusterd: Fix glusterd crash
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Problem: gluster get-state command is crashing glusterd process, when
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geo-replication session is configured.
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Cause: Crash is happening due to the double free of memory. In
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glusterd_print_gsync_status_by_vol we are calling dict_unref(), which
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will free all the keys and values in the dictionary. Before calling
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dict_unref(), glusterd_print_gsync_status_by_vol is calling
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glusterd_print_gsync_status(). glusterd_print_gsync_status is freeing
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up values in the dictionary and again when dict_unref() is called, it
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tries to free up the values which are already freed.
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Solution: Remove the code which will free the memory in
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glusterd_print_gsync_status function.
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>Fixes: bz#1598345
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>Change-Id: Id3d8aae109f377b462bbbdb96a8e3c5f6b0be752
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>Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
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upstream patch: https://review.gluster.org/#/c/20461/
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Change-Id: Id3d8aae109f377b462bbbdb96a8e3c5f6b0be752
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BUG: 1578716
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Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/143323
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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xlators/mgmt/glusterd/src/glusterd-handler.c | 9 ---------
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1 file changed, 9 deletions(-)
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diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
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index c0c3e25..395b342 100644
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--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
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+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
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@@ -5155,15 +5155,6 @@ glusterd_print_gsync_status (FILE *fp, dict_t *gsync_dict)
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volcount, i+1, get_struct_variable(15, status_vals[i]));
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}
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out:
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- for (i = 0; i < gsync_count; i++) {
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- if (status_vals[i]) {
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- GF_FREE (status_vals[i]);
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- }
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- }
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-
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- if (status_vals)
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- GF_FREE (status_vals);
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-
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return ret;
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}
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--
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1.8.3.1
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