I don't see this with my runs, and I run with ASAN every time.  Is there 
some workload that triggers this?  I usually am only running pyNFS.

Daniel

On 05/19/2017 06:48 PM, Frank Filz wrote:
> I need to wrap up this investigation for today, but I just ran the following
> test under valgrind:memcheck:
>
> Start Ganesha using valgrind
> Mount v4 export
> Create 10,000 directory entries in /mnt4/test1/many
> Issue rm -rf /mnt4/test1/many
> Ctrl-c to terminate.
>
> As an aside note: for FSAL_VFS we may have a file descriptor issue
> somewhere, running with the default 1024 file descriptors is not
> sufficient...
>
> Here is one worrying allocation  backtrace:
>
> ==3123== 9,216 bytes in 9 blocks are possibly lost in loss record 410 of 430
> ==3123==    at 0x4C28BF6: malloc (vg_replace_malloc.c:299)
> ==3123==    by 0x4879B9: gsh_malloc__ (abstract_mem.h:78)
> ==3123==    by 0x48CBA6: nfs4_FSALattr_To_Fattr (nfs_proto_tools.c:3593)
> ==3123==    by 0x48C89B: file_To_Fattr (nfs_proto_tools.c:3496)
> ==3123==    by 0x46543C: nfs4_op_getattr (nfs4_op_getattr.c:133)
> ==3123==    by 0x45EEEF: nfs4_Compound (nfs4_Compound.c:743)
> ==3123==    by 0x44B055: nfs_rpc_execute (nfs_worker_thread.c:1291)
> ==3123==    by 0x44B86C: worker_run (nfs_worker_thread.c:1563)
> ==3123==    by 0x505EF4: fridgethr_start_routine (fridgethr.c:550)
> ==3123==    by 0x668B609: start_thread (in /usr/lib64/libpthread-2.22.so)
> ==3123==    by 0x7010A4C: clone (in /usr/lib64/libc-2.22.so)
>
> That should have been cleaned up, and if some number of getattr are leaking
> memory, then that's really bad...
>
> All other losses I see look like just not cleaning up all the exports, and
> perhaps especially not cleaning up the PseudoFS properly.
>
> We may also not clean up all the threads on exit.
>
> I will look into this more next week if someone else hasn't already.
>
> Frank
>
>
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