| Summary: | gluster FUSE client crashes on irregularity | ||
|---|---|---|---|
| Product: | [Community] GlusterFS | Reporter: | Csaba Henk <csaba> |
| Component: | fuse | Assignee: | Amar Tumballi <amarts> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | mainline | CC: | gluster-bugs, vijay, vraman |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
PATCH: http://patches.gluster.com/patch/5417 in master (fuse_loc_fill(): handle a case of NULL dereference) |
Apply the following patch: -------- --- a/xlators/mgmt/glusterd/src/glusterd-volgen.c +++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c @@ -828,7 +828,7 @@ server_graph_builder (glusterfs_graph_t *graph, glusterd_volinfo_t *volinfo, if (ret) return -1; - xl = volgen_graph_add_as (graph, "debug/io-stats", path); + xl = volgen_graph_add_as (graph, "debug/io-stats", "over-the-rainbow"); if (!xl) return -1; -------- Set up glusterd and a volume, and then mount the vol with a client in debug mode: # glusterfs --debug -s localhost --volfile-id=pop /mnt/gluster0/ Then in another shell try to cd into the fs: # cd /mnt/gluster0 This gives: ... [2010-10-10 01:41:14.407861] E [client-handshake.c:492:client_setvolume_cbk] pop-client-0: SETVOLUME on remote-host failed: remote-subvolume "/tmp/ex0" is not found [2010-10-10 01:41:14.408454] I [fuse-bridge.c:2863:fuse_init] glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.13 kernel 7.15 pending frames: patchset: git://git.sv.gnu.org/gluster.git signal received: 11 time of crash: 2010-10-10 01:41:19 configuration details: argp 1 backtrace 1 dlfcn 1 fdatasync 1 libpthread 1 llistxattr 1 setfsid 1 spinlock 1 epoll.h 1 xattr.h 1 st_atim.tv_nsec 1 package-string: glusterfs 3.1.0git /host/lib/libc.so.6(+0x325e0)[0x7f70461ac5e0] /meta/progs/glusterfs-git/usr/lib/glusterfs/3.1.0git/xlator/mount/fuse.so(fuse_loc_fill+0x212)[0x7f7045280f5c] /meta/progs/glusterfs-git/usr/lib/glusterfs/3.1.0git/xlator/mount/fuse.so(+0x95b0)[0x7f70452855b0] /meta/progs/glusterfs-git/usr/lib/glusterfs/3.1.0git/xlator/mount/fuse.so(+0x18beb)[0x7f7045294beb] /host/lib/libpthread.so.0(+0x6cb0)[0x7f70464dccb0] /host/lib/libc.so.6(clone+0x6d)[0x7f70462487ad] --------- Segmentation fault (core dumped) [root@quartz ~]# gdb glusterfs core GNU gdb (GDB) 7.2 ... Core was generated by `glusterfs --debug -s localhost --volfile-id=pop /mnt/gluster0/'. Program terminated with signal 11, Segmentation fault. #0 fuse_loc_fill (loc=0x1a9afb0, state=0x1a9af98, ino=1, par=0, name=0x0) at fuse-helpers.c:243 243 gf_log ("glusterfs-fuse", GF_LOG_DEBUG, (gdb) bt #0 fuse_loc_fill (loc=0x1a9afb0, state=0x1a9af98, ino=1, par=0, name=0x0) at fuse-helpers.c:243 #1 0x00007f70452855b0 in fuse_getattr (this=0x1a84938, finh=0x1a9ad28, msg=0x1a9ad50) at fuse-bridge.c:463 #2 0x00007f7045294beb in fuse_thread_proc (data=0x1a84938) at fuse-bridge.c:3166 #3 0x00007f70464dccb0 in start_thread () from /host/lib/libpthread.so.0 #4 0x00007f70462487ad in clone () from /host/lib/libc.so.6 #5 0x0000000000000000 in ?? () (gdb) l 238 loc->parent = parent; 239 } 240 241 ret = inode_path (inode, NULL, &path); 242 if (ret <= 0) { 243 gf_log ("glusterfs-fuse", GF_LOG_DEBUG, 244 "inode_path failed for %"PRId64, 245 inode->ino); 246 goto fail; 247 } (gdb) p inode $1 = (inode_t *) 0x0