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Hi,
We seen one crash with below stack trace. And core dump was not not enabled
so i couldn't pin point the issue. But crash may be because of below reason
and it is my hunch. Is this seen before in any fsal (Ganesha version is
2.5) ?
<https://cvs.commvault.com/source/xref/11.0-unix/cxunix/source/MediaAgent/3dfs2/nfs3/fsal/export.c#>fsal_status_t
<https://cvs.commvault.com/source/s?defs=fsal_status_t&project=11.0-unix>
create_handle
<https://cvs.commvault.com/source/s?refs=create_handle&project=11.0-unix>(*struct*
fsal_export
<https://cvs.commvault.com/source/s?defs=fsal_export&project=11.0-unix>
*export_pub
<https://cvs.commvault.com/source/s?refs=export_pub&project=11.0-unix>,
*struct* gsh_buffdesc
<https://cvs.commvault.com/source/s?defs=gsh_buffdesc&project=11.0-unix>
**fh_desc <https://cvs.commvault.com/source/s?refs=fh_desc&project=11.0-unix>*,
*struct* fsal_obj_handle
<https://cvs.commvault.com/source/s?defs=fsal_obj_handle&project=11.0-unix>
**pub_handle
<https://cvs.commvault.com/source/s?refs=pub_handle&project=11.0-unix>,
*struct* attrlist
<https://cvs.commvault.com/source/s?defs=attrlist&project=11.0-unix>
*attrs_out
<https://cvs.commvault.com/source/s?refs=attrs_out&project=11.0-unix>)
*looks like fh->desc->addr is NULL here,* while copying fsal file handle it
crashed.
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (1)
/lib64/libc.so.6(+0x35250) [0x7f8a35890250]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (2)
/usr/lib64/ganesha/libfsaltdfs.so(copy_ganesha_fh+0) [0x7f8a32d432e4]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (3)
/usr/lib64/ganesha/libfsaltdfs.so(+0x97f9)
[0x7f8a32d437f9] --> create_handle frame.
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (4)
/usr/bin/ganesha.nfsd(mdcache_locate_host+0x233) [0x543fab]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (5)
/usr/bin/ganesha.nfsd(mdc_lookup+0x206) [0x54483e]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (6)
/usr/bin/ganesha.nfsd() [0x53770d]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (7)
/usr/bin/ganesha.nfsd(fsal_lookupp+0xed) [0x4319bd]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (8)
/usr/bin/ganesha.nfsd(nfs3_readdirplus+0x5ec) [0x494650]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (9)
/usr/bin/ganesha.nfsd(nfs_rpc_execute+0x1d53) [0x44c20d]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (10)
/usr/bin/ganesha.nfsd() [0x44ca17]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (11)
/usr/bin/ganesha.nfsd() [0x508a7a]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (12)
/lib64/libpthread.so.0(+0x7dc5) [0x7f8a36290dc5]
16609 4217 08/19 11:34:15 2497585 CvBacktracer() - [bt]: (13)
/lib64/libc.so.6(clone+0x6d) [0x7f8a3595273d]
Thanks,
Sagar.
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