[Bugs] [Bug 1677555] Glusterfs brick is crashed due to segfault caused by broken gfid symlink

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1677555

Amar Tumballi <atumball at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|unspecified                 |medium
                 CC|                            |atumball at redhat.com



--- Comment #1 from Amar Tumballi <atumball at redhat.com> ---
tested by injecting broken symlink on release-6.0 branch, not happening.

>From the log:

---
[2019-02-21 13:33:34.841279] E [posix-handle.c:325:posix_is_malformed_link]
(--> /usr/local/lib/libglusterfs.so.0(_gf_log_callingfn+0x11a)[0x7f2fa4d718ea]
(-->
/usr/local/lib/glusterfs/7dev/xlator/storage/posix.so(+0xe315)[0x7f2f9264d315]
(-->
/usr/local/lib/glusterfs/7dev/xlator/storage/posix.so(+0xe3fd)[0x7f2f9264d3fd]
(-->
/usr/local/lib/glusterfs/7dev/xlator/storage/posix.so(+0xe702)[0x7f2f9264d702]
(-->
/usr/local/lib/glusterfs/7dev/xlator/storage/posix.so(+0x34054)[0x7f2f92673054]
))))) 0-demo-posix: malformed internal link .. for
/home/testdir/bricks/abcd.0/.glusterfs/91/e4/91e48e9c-8474-45db-9f7c-90fbeceeca6a
[2019-02-21 13:33:34.841315] W [MSGID: 113077]
[posix-inode-fd-ops.c:5354:posix_readdirp_fill] 0-demo-posix: Failed to create
handle path, fd=0x7f2f680078a8, gfid=91e48e9c-8474-45db-9f7c-90fbeceeca6a
---

So, the broken gfid issue is handled in latest release. Will get to test more
possibilities in backend changes later. As we don't support touch gluster
backend directly, not taking it as priority.

Would be good to know how you reached to this situation.

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