[Gluster-devel] corrupted hash table

[Emmanuel Dreyfus]

This is master branch, client side:

Program terminated with signal 11, Segmentation fault.
#0  uuid_unpack (in=0xffffffc0 <Address 0xffffffc0 out of bounds>,
    uu=0xbf7fd7b0) at ../../contrib/uuid/unpack.c:43

warning: Source file is more recent than executable.
43              tmp = *ptr++;
(gdb) print tmp
Cannot access memory at address 0xffffffc0
(gdb) bt
#0  uuid_unpack (in=0xffffffc0 <Address 0xffffffc0 out of bounds>,
    uu=0xbf7fd7b0) at ../../contrib/uuid/unpack.c:43
#1  0xbb788f63 in uuid_compare (
    uu1=0xffffffc0 <Address 0xffffffc0 out of bounds>,
    uu2=0xb811f938 "k\350_6") at ../../contrib/uuid/compare.c:46
#2  0xbb769993 in __inode_find (table=0xbb213368, gfid=0xb811f938 "k\350_6")
    at inode.c:763
#3  0xbb769cdc in __inode_link (inode=0x5a70b768, parent=<optimized out>,
    name=0x5a7e3148 "conf24746.file", iatt=0xb811f930) at inode.c:831
#4  0xbb769f3f in inode_link (inode=0x5a70b768, parent=0x5af47728,
    name=0x5a7e3148 "conf24746.file", iatt=0xb811f930) at inode.c:892
#5  0xbb36bdaa in fuse_create_cbk (frame=0xba417c44, cookie=0xbb28cb98,
    this=0xb9cbe018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
    buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
    at fuse-bridge.c:1888
#6  0xb92a30a0 in io_stats_create_cbk (frame=0xbb28cb98, cookie=0xbb287418,
    this=0xb9df2018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
    buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
    at io-stats.c:1260
#7  0xb92afd80 in mdc_create_cbk (frame=0xbb287418, cookie=0xbb28d7d8,
    this=0xb9df1018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
    buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
    at md-cache.c:1404
#8  0xb92c790f in ioc_create_cbk (frame=0xbb28d7d8, cookie=0xbb28b008,
    this=0xb9dee018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
    buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
    at io-cache.c:701
#9  0xbb3079ba in ra_create_cbk (frame=0xbb28b008, cookie=0xbb287f08,
    this=0xb9dec018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
    buf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00, xdata=0x0)
    at read-ahead.c:173
#10 0xb92f66b9 in dht_create_cbk (frame=0xbb287f08, cookie=0xbb28f988,
    this=0xb9cff018, op_ret=0, op_errno=0, fd=0xb799e808, inode=0x5a70b768,
    stbuf=0xb811f930, preparent=0xb811f998, postparent=0xb811fa00,
    xdata=0x5c491028) at dht-common.c:3942
#11 0xb932fa22 in afr_create_unwind (frame=0xba40439c, this=0xb9cfd018)
    at afr-dir-write.c:397
#12 0xb9330a02 in __afr_dir_write_cbk (frame=0xba40439c, cookie=0x2,
    this=0xb9cfd018, op_ret=0, op_errno=0, buf=0xbf7fdfe4,
    preparent=0xbf7fdf7c, postparent=0xbf7fdf14, preparent2=0x0,
    postparent2=0x0, xdata=0x5cb61ea8) at afr-dir-write.c:244
#13 0xb939a401 in client3_3_create_cbk (req=0xb805f028, iov=0xb805f048,
    count=1, myframe=0xbb28e4f8) at client-rpc-fops.c:2211
#14 0xbb7daecf in rpc_clnt_handle_reply (clnt=0xb9cd93b8, pollin=0x5a7dbe38)
    at rpc-clnt.c:767
#15 0xbb7db7a4 in rpc_clnt_notify (trans=0xb80a7018, mydata=0xb9cd93d8,
---Type <return> to continue, or q <return> to quit---
    event=RPC_TRANSPORT_MSG_RECEIVED, data=0x5a7dbe38) at rpc-clnt.c:895
#16 0xbb7d7d9c in rpc_transport_notify (this=0xb80a7018,
    event=RPC_TRANSPORT_MSG_RECEIVED, data=0x5a7dbe38) at rpc-transport.c:512
#17 0xbb3214ab in socket_event_poll_in (this=0xb80a7018) at socket.c:2120
#18 0xbb3246fc in socket_event_handler (fd=16, idx=4, data=0xb80a7018,
    poll_in=1, poll_out=0, poll_err=0) at socket.c:2233
#19 0xbb7a4c9a in event_dispatch_poll_handler (i=4, ufds=0xbb285118,
    event_pool=0xbb242098) at event-poll.c:357
#20 event_dispatch_poll (event_pool=0xbb242098) at event-poll.c:436
#21 0xbb77a160 in event_dispatch (event_pool=0xbb242098) at event.c:113
#22 0x08050567 in main (argc=4, argv=0xbf7fe880) at glusterfsd.c:2023
(gdb) frame 2      
#2  0xbb769993 in __inode_find (table=0xbb213368, gfid=0xb811f938 "k\350_6")
    at inode.c:763
763                     if (uuid_compare (tmp->gfid, gfid) == 0) {
(gdb) list 
758                     return table->root;
759     
760             hash = hash_gfid (gfid, 65536);
761     
762             list_for_each_entry (tmp, &table->inode_hash[hash], hash) {
763                     if (uuid_compare (tmp->gfid, gfid) == 0) {
764                             inode = tmp;
765                             break;
766                     }
767             }
-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu at netbsd.org