abrt version: 2.0.1
architecture:   x86_64
cmdline:        ro root=/dev/mapper/vg_fc1564-lv_root rd_LVM_LV=vg_fc1564/lv_root rd_LVM_LV=vg_fc1564/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
comment:        Trying to mount a vbox share
component:      kernel
kernel:         2.6.38.6-27.fc15.x86_64
kernel_tainted: 512
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         WARNING: at fs/inode.c:1395 iput+0xc4/0x1b2()
reported_to:    kerneloops: URL=http://submit.kerneloops.org/submitoops.php
time:           Mon Jun  6 15:44:24 2011

backtrace:
:WARNING: at fs/inode.c:1395 iput+0xc4/0x1b2()
:Hardware name: VirtualBox
:Modules linked in: md4 nls_utf8 cifs fscache tcp_lp fuse vboxvideo drm vboxsf 8021q garp stp llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm snd_timer snd vboxguest ppdev soundcore parport_pc parport snd_page_alloc e1000 i2c_piix4 i2c_core joydev microcode ipv6 [last unloaded: speedstep_lib]
:Pid: 15706, comm: mount.vboxsf Tainted: G        W   2.6.38.6-27.fc15.x86_64 #1
:Call Trace:
: [<ffffffff8105510e>] warn_slowpath_common+0x83/0x9b
: [<ffffffff81055140>] warn_slowpath_null+0x1a/0x1c
: [<ffffffff811351f2>] iput+0xc4/0x1b2
: [<ffffffffa01a4542>] sf_read_super_26+0x4c9/0x528 [vboxsf]
: [<ffffffff81122e4b>] ? set_anon_super+0x0/0xe2
: [<ffffffffa01a4079>] ? sf_read_super_26+0x0/0x528 [vboxsf]
: [<ffffffff81123b6a>] mount_nodev+0x4b/0x7e
: [<ffffffff81123bb3>] get_sb_nodev+0x16/0x32
: [<ffffffffa01a4028>] sf_get_sb+0x18/0x1a [vboxsf]
: [<ffffffff8112358b>] vfs_kern_mount+0xd5/0x1f6
: [<ffffffff81123714>] do_kern_mount+0x4d/0xdf
: [<ffffffff81139d9a>] do_mount+0x6a2/0x6f6
: [<ffffffff8113a070>] sys_mount+0x88/0xc2
: [<ffffffff81009bc2>] system_call_fastpath+0x16/0x1b

event_log:
:2011-06-08-15:34:28> Submitting oops report to http://submit.kerneloops.org/submitoops.php
:2011-06-08-15:35:14  Kernel oops report was uploaded