(gdb) bt full

#0  0x00000000057a10d2 in lzo1x_decompress_safe () from /usr/lib64/liblzo2.so.2
No symbol table info available.
#1  0x000000000041e9ee in decompress_lzo (decompress_len=0x7feff9f60, compress_len=417, 
    outbuf=0x63229a0 "ource/core/dom/webcore_dom.StaticNodeList.o", inbuf=0x6280a6d "\017ource/core/dom/webl\001") at cmds-restore.c:129
        ret = <optimized out>
        new_len = 0
        out_len = 32768
        tot_in = 24429
#2  decompress (inbuf=inbuf@entry=0x627ab00 "zU\001", outbuf=outbuf@entry=0x631a9a0 "<X", compress_len=compress_len@entry=24576, 
    decompress_len=decompress_len@entry=0x7feff9f60, compress=compress@entry=2) at cmds-restore.c:155
No locals.
#3  0x000000000041f8a8 in copy_one_extent (pos=4063232, fi=<optimized out>, leaf=0x5fb58d0, fd=4, root=0x61405c0) at cmds-restore.c:386
        device = <optimized out>
        dev_fd = 5
        mirror_num = 1
        num_copies = <optimized out>
        inbuf = 0x627ab00 "zU\001"
        done = <optimized out>
        ram_size = 126976
        multi = 0x67fa250
        outbuf = 0x631a9a0 "<X"
        total = 0
        dev_bytenr = 317671178240
        compress = 2
        length = 24576
        ret = <optimized out>
        bytenr = 390685646848
        size_left = 0
        count = 24576
#4  copy_file (file=0x66a700 <path_name> "/work/chromium/src/out/Release/.ninja_deps", key=0x7feffb080, fd=4, root=0x61405c0)
    at cmds-restore.c:659
        fi = <optimized out>
        ret = <optimized out>
        compression = 2
        found_size = 11632652
        leaf = 0x5fb58d0
        path = <optimized out>
        inode_item = <optimized out>
        extent_type = <optimized out>
        loops = 33
#5  search_dir (root=root@entry=0x61405c0, key=key@entry=0x7feffc2d0, output_rootdir=output_rootdir@entry=0x7fefffdb0 "/work", 
    in_dir=in_dir@entry=0x6602d70 "/chromium/src/out/Release", mreg=mreg@entry=0x7fefffd60) at cmds-restore.c:840
        path = <optimized out>
        leaf = 0x6daaa50
        dir_item = <optimized out>
        location = {objectid = 27472733, type = 108 'l', offset = 0}
        filename = ".ninja_deps", '\000' <repeats 29 times>, "\021\000\000\000\b\000\000\000\b\000\000\000\020\000\000\000\240r\367\005\000\000\000\000\001\000\000\000\000\000\000\000\300\005\024\006\000\000\000\000\360\225\023\006\000\000\000\000\360M\337\006\000\000\000\000\020w\367\005\000\000\000\000A0\314\005\000\000\000\000@-\024\006\000\000\000\000\030\000\000\000\060\000\000\000\340\260\377\376\a\000\000\000\---Type <return> to continue, or q <return> to quit---
020\260\377\376\a", '\000' <repeats 20 times>, "\247f\000\000\000\000\000src/out/Release\000\000T\367\005\000\000\000\000\230\260\377\376\a\000\000\000"...
        name_ptr = <optimized out>
        name_len = <optimized out>
        ret = <optimized out>
        loops = 0
#6  0x000000000041ffe7 in search_dir (root=root@entry=0x61405c0, key=key@entry=0x7feffd520, 
    output_rootdir=output_rootdir@entry=0x7fefffdb0 "/work", in_dir=in_dir@entry=0x6df4d90 "/chromium/src/out", 
    mreg=mreg@entry=0x7fefffd60) at cmds-restore.c:916
        search_root = <optimized out>
        dir = 0x6602d70 "/chromium/src/out/Release"
        path = <optimized out>
        leaf = 0x61395f0
        dir_item = <optimized out>
        location = {objectid = 27470610, type = 96 '`', offset = 0}
        filename = "Release\000\000\267f", '\000' <repeats 29 times>, "\r\000\000\000\004\000\000\000\004\000\000\000\020\000\000\000\240r\367\005\000\000\000\000\001\000\000\000\000\000\000\000\300\005\024\006\000\000\000\000\020\017\a\006\000\000\000\000\200\234e\006\000\000\000\000\020w\367\005\000\000\000\000A0\314\005\000\000\000\000@-\024\006\000\000\000\000\030\000\000\000\060\000\000\000\060\303\377\376\a\000\000\000`\302\377\376\a", '\000' <repeats 20 times>, "\247f\000\000\000\000\000hromium/src/out\000\000T\367\005\000\000\000\000\002\021\000\000\000\000\000\000"...
        name_ptr = <optimized out>
        name_len = <optimized out>
        ret = <optimized out>
        loops = 0
#7  0x000000000041ffe7 in search_dir (root=root@entry=0x61405c0, key=key@entry=0x7feffe770, 
    output_rootdir=output_rootdir@entry=0x7fefffdb0 "/work", in_dir=in_dir@entry=0x65d7080 "/chromium/src", mreg=mreg@entry=0x7fefffd60)
    at cmds-restore.c:916
        search_root = <optimized out>
        dir = 0x6df4d90 "/chromium/src/out"
        path = <optimized out>
        leaf = 0x6070f10
        dir_item = <optimized out>
        location = {objectid = 27469314, type = 96 '`', offset = 0}
        filename = "out\000\000gnore\000settings", '\000' <repeats 21 times>, "\t\000\000\000\004\000\000\000\004\000\000\000\016\000\000\000\240r\367\005\000\000\000\000\001\000\000\000\000\000\000\000\300\005\024\006\000\000\000\000\000\303\027\a\000\000\000\000\300\226:\006\000\000\000\000\020w\367\005\000\000\000\000A0\314\005\000\000\000\000@-\024\006\000\000\000\000\030\000\000\000\060\000\000\000\200\325\377\376\a\000\000\000\260\324\377\376\a", '\000' <repeats 20 times>, "\247f\000\000\000\000\000ium/src\000\000\000\000\000\000\000\000\000\000T\367\005\000\000\000\000\002\021\000\000\000\000\000\000"...
        name_ptr = <optimized out>
        name_len = <optimized out>
        ret = <optimized out>
        loops = 0
#8  0x000000000041ffe7 in search_dir (root=root@entry=0x61405c0, key=key@entry=0x7fefff9c0, 
    output_rootdir=output_rootdir@entry=0x7fefffdb0 "/work", in_dir=in_dir@entry=0x6f35ac0 "/chromium", mreg=mreg@entry=0x7fefffd60)
    at cmds-restore.c:916
        search_root = <optimized out>
        dir = 0x65d7080 "/chromium/src"
        path = <optimized out>
        leaf = 0x717c300
---Type <return> to continue, or q <return> to quit---
        dir_item = <optimized out>
        location = {objectid = 26833838, type = 96 '`', offset = 0}
        filename = "src\000ient\000ls", '\000' <repeats 33 times>, "\t\000\000\000\t\000\000\000\n\000\000\000\240r\367\005\000\000\000\000\001\000\000\000\000\000\000\000\300\005\024\006\000\000\000\000\340ȓ\006\000\000\000\000\240N\024\006\000\000\000\000\020w\367\005\000\000\000\000A0\314\005\000\000\000\000@-\024\006\000\000\000\000\030\000\000\000\060\000\000\000\320\347\377\376\a\000\000\000\000\347\377\376\a", '\000' <repeats 20 times>, "\247f\000\000\000\000\000hromium\000\000\000\000\000\000\000\000\000\000T\367\005\000\000\000\000\260\060\375\005\000\000\000\000@"...
        name_ptr = <optimized out>
        name_len = <optimized out>
        ret = <optimized out>
        loops = 0
#9  0x000000000041ffe7 in search_dir (root=root@entry=0x61405c0, key=key@entry=0x7fefffe30, 
    output_rootdir=output_rootdir@entry=0x7fefffdb0 "/work", in_dir=in_dir@entry=0x45ab43 "", mreg=mreg@entry=0x7fefffd60)
    at cmds-restore.c:916
        search_root = <optimized out>
        dir = 0x6f35ac0 "/chromium"
        path = <optimized out>
        leaf = 0x693c8e0
        dir_item = <optimized out>
        location = {objectid = 26832818, type = 96 '`', offset = 0}
        filename = "chromium\000.6.5\000\000\000r_2012_r2_x64_dvd_2707952.iso\000ER_EVAL_DE-DE-IRM_SSS_X64FREE_DE-DE_DV5.ISO\000\000ISO\000\000\002\000\000\000\002\000\000\000\260E\024\006\000\000\000\000\317\003\000\377\a\000\000\000\317\003\000\377\a", '\000' <repeats 31 times>, "\021\000\000\000\021\000\000\000\021\000\000\000\020\000\000\000\020\000\000\000\020\000\000\000\020\000\000\000\020", '\000' <repeats 15 times>...
        name_ptr = <optimized out>
        name_len = <optimized out>
        ret = <optimized out>
        loops = 0
#10 0x0000000000420c70 in cmd_restore (argc=<optimized out>, argv=<optimized out>) at cmds-restore.c:1319
        root = 0x61405c0
        key = {objectid = 256, type = 96 '`', offset = 0}
        dir_name = "/work", '\000' <repeats 122 times>
        tree_location = <optimized out>
        fs_location = 0
        root_objectid = 0
        len = <optimized out>
        ret = <optimized out>
        opt = <optimized out>
        option_index = 0
        super_mirror = <optimized out>
        find_dir = 0
        list_roots = 0
        match_regstr = 0x7ff0003cf "^/(|temp(|/.*))$"
        match_cflags = 13
        match_reg = {buffer = 0x6142d40 "`.\024\006", allocated = 224, used = 224, syntax = 242620, fastmap = 0x6142c00 "", 
          translate = 0x0, re_nsub = 2, can_be_null = 0, regs_allocated = 0, fastmap_accurate = 1, no_sub = 1, not_bol = 0, not_eol = 0, 
          newline_anchor = 1}
        mreg = 0x7fefffd60
        reg_err = "\377\232f", '\000' <repeats 45 times>, "\370\375\377\376\004\000\000\000H\021\"\004", '\000' <repeats 28 times>, "@\277\0---Type <return> to continue, or q <return> to quit---
05\004\000\000\000\000\377\377\377\377\377\377\377\377\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000H\021\"\004\000\000\000\000\377\377\377\377\a\000\000\000\000\375\377\376\a\000\000\000\314?\f\257\000\000\000\000\000T\367\005", '\000' <repeats 12 times>, "\240\024\"\004\000\000\000\000@\375\377\376\a\000\000\000\060\375\377\376\a\000\000\000L\353:}\000\000\000\000"...
#11 0x00000000004042fd in main (argc=8, argv=0x7feffffa0) at btrfs.c:247
        cmd = 0x6689c8
        bname = <optimized out>