On Tue, Nov 6, 2018, 5:51 PM Atin Mukherjee <atin.mukherjee83@xxxxxxxxx wrote:
new defects introduced in posix xlator.
The other one in iobuf.c, is mine.
Sent a patch to fix.
Y.
_______________________________________________---------- Forwarded message ---------
From: <scan-admin@xxxxxxxxxxxx>
Date: Tue, Nov 6, 2018 at 8:44 PM
Subject: New Defects reported by Coverity Scan for gluster/glusterfs
Hi,
Please find the latest report on new defect(s) introduced to gluster/glusterfs found with Coverity Scan.
2 new defect(s) introduced to gluster/glusterfs found with Coverity Scan.
1 defect(s), reported by Coverity Scan earlier, were marked fixed in the recent build analyzed by Coverity Scan.
New defect(s) Reported-by: Coverity Scan
Showing 2 of 2 defect(s)
** CID 1396581: Program hangs (LOCK)
/xlators/features/locks/src/posix.c: 2952 in pl_metalk()
________________________________________________________________________________________________________
*** CID 1396581: Program hangs (LOCK)
/xlators/features/locks/src/posix.c: 2952 in pl_metalk()
2946 gf_msg(this->name, GF_LOG_WARNING, EINVAL, 0,
2947 "More than one meta-lock can not be granted on"
2948 "the inode");
2949 ret = -1;
2950 }
2951 }
>>> CID 1396581: Program hangs (LOCK)
>>> "pthread_mutex_lock" locks "pl_inode->mutex" while it is locked.
2952 pthread_mutex_lock(&pl_inode->mutex);
2953
2954 if (ret == -1) {
2955 goto out;
2956 }
2957
** CID 1396580: Program hangs (LOCK)
/libglusterfs/src/iobuf.c: 370 in iobuf_pool_new()
________________________________________________________________________________________________________
*** CID 1396580: Program hangs (LOCK)
/libglusterfs/src/iobuf.c: 370 in iobuf_pool_new()
364 index = gf_iobuf_get_arena_index(page_size);
365 if (index == -1) {
366 gf_msg("iobuf", GF_LOG_ERROR, 0, LG_MSG_PAGE_SIZE_EXCEEDED,
367 "page_size (%zu) of iobufs in arena being added is "
368 "greater than max available",
369 page_size);
>>> CID 1396580: Program hangs (LOCK)
>>> Returning without unlocking "iobuf_pool->mutex".
370 return NULL;
371 }
372
373 __iobuf_pool_add_arena(iobuf_pool, page_size, num_pages, index);
374
375 arena_size += page_size * num_pages;
________________________________________________________________________________________________________
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