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From 099fcac6fecef6fc367d8fcae8442195f3f174db Mon Sep 17 00:00:00 2001
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From: nik-redhat <nladha@redhat.com>
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Date: Fri, 25 Sep 2020 18:19:39 +0530
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Subject: [PATCH 596/610] locks: null dereference
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Added a null check before executing the strtok_r()
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to avoid null dereference in case of strdup() failure.
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CID: 1407938
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>Updates: #1060
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>Change-Id: Iec6e72ae8cb54f6d0a287615c43756325b2026ec
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>Signed-off-by: nik-redhat <nladha@redhat.com>
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Upstream link: https://review.gluster.org/c/glusterfs/+/25045
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BUG: 1997447
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Change-Id: I47e6e2402badaf4103607b4164f19142a99a2f71
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Signed-off-by: nik-redhat <nladha@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/c/rhs-glusterfs/+/280065
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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/features/locks/src/posix.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c
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index d5effef..03c4907 100644
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--- a/xlators/features/locks/src/posix.c
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+++ b/xlators/features/locks/src/posix.c
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@@ -494,6 +494,9 @@ pl_inodelk_xattr_fill_multiple(dict_t *this, char *key, data_t *value,
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char *save_ptr = NULL;
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tmp_key = gf_strdup(key);
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+ if (!tmp_key)
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+ return -1;
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+
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strtok_r(tmp_key, ":", &save_ptr);
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if (!*save_ptr) {
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gf_msg(THIS->name, GF_LOG_ERROR, 0, EINVAL,
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--
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1.8.3.1
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