Linux kernel stacks. Lookup operation.

Some stacks for ext3 lookup operation. The related kernel source is Quark X1000 Linux kernel

Stack 1:

#0  ext3_lookup (dir=0xcd5df248, dentry=0xcb81df80, flags=1) at fs/ext3/namei.c:1019

#1  lookup_real (dir=dir@entry=0xcd5df248, dentry=0xcb81df80, flags=flags@entry=1) at fs/namei.c:1317

#2  __lookup_hash (name=name@entry=0xcc4e3ebc, base=base@entry=0xcd5dd400, flags=1) at fs/namei.c:1335

#3  lookup_slow (nd=nd@entry=0xcc4e3eb4, name=name@entry=0xcc4e3ebc, path=path@entry=0xcc4e3e74) at fs/namei.c:1447

#4  walk_component (follow=1, type=0, name=0xcc4e3ebc, path=0xcc4e3e74, nd=0xcc4e3eb4) at fs/namei.c:1536

#5  lookup_last (path=0xcc4e3e74, nd=0xcc4e3eb4) at fs/namei.c:1933

#6  path_lookupat (dfd=dfd@entry=-100, name=<optimised out>, flags=flags@entry=65, nd=nd@entry=0xcc4e3eb4) at fs/namei.c:1968

#7  filename_lookup (dfd=dfd@entry=-100, flags=flags@entry=1, nd=nd@entry=0xcc4e3eb4, name=0xcc4c6000) at fs/namei.c:2007

#8  user_path_at_empty (dfd=dfd@entry=-100, name=name@entry=0x9751188 "/work", flags=flags@entry=1, path=path@entry=0xcc4e3f40, empty=empty@entry=0x0) at fs/namei.c:2155

#9  user_path_at (dfd=dfd@entry=-100, name=name@entry=0x9751188 "/work", flags=flags@entry=1, path=path@entry=0xcc4e3f40) at fs/namei.c:2166

#10 vfs_fstatat (dfd=dfd@entry=-100, filename=filename@entry=0x9751188 "/work", stat=stat@entry=0xcc4e3f60, flag=flag@entry=0) at fs/stat.c:88

#11 vfs_stat (stat=0xcc4e3f60, name=0x9751188 "/work") at fs/stat.c:384

#12 sys_stat64 (filename=0x9751188 "/work", statbuf=0xbf9b40f0) at fs/stat.c:386

#13 <signal handler called>

Stack 2:

#0  ext3_lookup (dir=0xcd61ee50, dentry=0xcb83d380, flags=257) at fs/ext3/namei.c:1019
#1  lookup_real (dir=dir@entry=0xcd61ee50, dentry=dentry@entry=0xcb83d380, flags=<optimised out>) at fs/namei.c:1317
#2  lookup_open (opened=0xcc4c9eac, got_write=false, op=0xc135aa6c <open_exec_flags>, file=0xce26f500, path=0xcc4c9eb0, nd=0xcc4c9edc) at fs/namei.c:2641
#3  do_last (nd=nd@entry=0xcc4c9edc, path=path@entry=0xcc4c9eb0, file=file@entry=0xce26f500, op=op@entry=0xc135aa6c <open_exec_flags>, 
    opened=opened@entry=0xcc4c9eac, name=0xcc4c9f50) at fs/namei.c:2771
#4  path_openat (dfd=dfd@entry=-100, nd=nd@entry=0xcc4c9edc, op=0xc135aa6c <open_exec_flags>, flags=flags@entry=65, pathname=0xcc4c9f50) at fs/namei.c:2956
#5  do_filp_open (dfd=dfd@entry=-100, pathname=pathname@entry=0xcc4c9f50, op=op@entry=0xc135aa6c <open_exec_flags>, flags=flags@entry=1) at fs/namei.c:3004
#6  open_exec (name=name@entry=0xcc4b7010 "/bin/login") at fs/exec.c:762
#7  do_execve_common (filename=<optimised out>, argv=..., argv@entry=..., envp=..., envp@entry=...) at fs/exec.c:1499
#8  do_execve (__envp=0xbfb7cba0, __argv=0xbfb7a758, filename=<optimised out>) at fs/exec.c:1585
#9  sys_execve (filename=0x804d172 "/bin/login", argv=0xbfb7a758, envp=0xbfb7cba0) at fs/exec.c:1681
#10 <signal handler called>

Stack 3:

#0  ext3_lookup (dir=0xcb83fae0, dentry=0xcb844480, flags=257) at fs/ext3/namei.c:1019
#1  lookup_real (dir=dir@entry=0xcb83fae0, dentry=dentry@entry=0xcb844480, flags=<optimised out>) at fs/namei.c:1317
#2  0xc10e4e31 in lookup_open (opened=0xce0f5ec8, got_write=false, op=0xce0f5f78, file=0xce87a980, path=0xce0f5ecc, nd=0xce0f5ef8) at fs/namei.c:2641
#3  do_last (nd=nd@entry=0xce0f5ef8, path=path@entry=0xce0f5ecc, file=file@entry=0xce87a980, op=op@entry=0xce0f5f78, opened=opened@entry=0xce0f5ec8, name=0xcc4b7000) at fs/namei.c:2771
#4  path_openat (dfd=dfd@entry=-100, nd=nd@entry=0xce0f5ef8, op=0xce0f5f78, flags=flags@entry=65, pathname=0xcc4b7000) at fs/namei.c:2956
#5  do_filp_open (dfd=dfd@entry=-100, pathname=pathname@entry=0xcc4b7000, op=op@entry=0xce0f5f78, flags=flags@entry=1) at fs/namei.c:3004
#6  do_sys_open (dfd=dfd@entry=-100, filename=filename@entry=0xbf877ef0 "/work/1", flags=flags@entry=32768, mode=mode@entry=0) at fs/open.c:956
#7  0xc10d900b in sys_open (filename=0xbf877ef0 "/work/1", flags=32768, mode=0) at fs/open.c:977
#8  <signal handler called>