Description of problem: was playing on codecombat.com in firefox Additional info: reporter: libreport-2.1.11 BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 IP: [<ffffffffa01b6c9b>] submit_one_bio+0x3b/0xa0 [btrfs] PGD 16ef43067 PUD 16ef52067 PMD 0 Oops: 0000 [#1] SMP Modules linked in: fuse ip6t_rpfilter ip6t_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw bnep x86_pkg_temp_thermal arc4 snd_hda_codec_hdmi coretemp snd_hda_codec_realtek kvm_intel iwldvm snd_hda_intel kvm uvcvideo snd_hda_codec videobuf2_vmalloc mac80211 snd_hwdep videobuf2_memops crct10dif_pclmul snd_seq videobuf2_core crc32_pclmul snd_seq_device crc32c_intel videodev snd_pcm iTCO_wdt ghash_clmulni_intel iTCO_vendor_support media iwlwifi microcode joydev r8169 snd_page_alloc btusb snd_timer snd bluetooth cfg80211 soundcore serio_raw i2c_i801 mii lpc_ich mei_me shpchp mfd_core mei wmi ideapad_laptop sparse_keymap rfkill nfsd auth_rpcgss nfs_acl lockd sunrpc binfmt_misc btrfs libcrc32c xor raid6_pq i915 i2c_algo_bit drm_kms_helper drm i2c_core video CPU: 3 PID: 3043 Comm: plugin-containe Not tainted 3.12.8-300.fc20.x86_64 #1 Hardware name: LENOVO IdeaPad Z470 /KL6 , BIOS 4ACN35WW 08/29/2011 task: ffff880223a30840 ti: ffff8801fd3e2000 task.ti: ffff8801fd3e2000 RIP: 0010:[<ffffffffa01b6c9b>] [<ffffffffa01b6c9b>] submit_one_bio+0x3b/0xa0 [btrfs] RSP: 0000:ffff8801fd3e38f8 EFLAGS: 00010202 RAX: ffff880015b3f1f0 RBX: ffff8801e7471468 RCX: 0000000000020001 RDX: 0000000000000000 RSI: 000000000000039f RDI: 0000000000000000 RBP: ffff8801fd3e3908 R08: 0000000000000000 R09: ffffea0006a83140 R10: 0000000000000000 R11: ffffea0002e4db40 R12: 0000000000001000 R13: 000000000685fd90 R14: ffff8801e7471468 R15: ffff8801a8d53e20 FS: 00007faecd0b7a40(0000) GS:ffff88022f580000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000038 CR3: 000000016ef40000 CR4: 00000000000407e0 Stack: ffff8801fd3e3b40 0000000000001000 ffff8801fd3e3958 ffffffffa01b9f1b 0000000000000001 0000000000000000 ffffea00056cfd40 000000000685fd90 0000000d0bfb2000 ffff8801fd3e3b50 0000000000001000 00000000003a1000 Call Trace: [<ffffffffa01b9f1b>] submit_extent_page.isra.39+0x9b/0x1d0 [btrfs] [<ffffffffa01ba295>] __do_readpage+0x245/0x770 [btrfs] [<ffffffffa01bb9d0>] ? repair_eb_io_failure+0xb0/0xb0 [btrfs] [<ffffffffa01a26e0>] ? btrfs_submit_direct+0x690/0x690 [btrfs] [<ffffffffa01b5f87>] ? btrfs_lookup_ordered_range+0x27/0x320 [btrfs] [<ffffffffa01bab42>] __extent_readpages.constprop.44+0x2a2/0x2c0 [btrfs] [<ffffffffa01a26e0>] ? btrfs_submit_direct+0x690/0x690 [btrfs] [<ffffffffa01bca39>] extent_readpages+0x169/0x1b0 [btrfs] [<ffffffffa01a26e0>] ? btrfs_submit_direct+0x690/0x690 [btrfs] [<ffffffffa019fe5f>] btrfs_readpages+0x1f/0x30 [btrfs] [<ffffffff8114e45e>] __do_page_cache_readahead+0x1ae/0x240 [<ffffffff8114eb51>] ra_submit+0x21/0x30 [<ffffffff8114484c>] filemap_fault+0x33c/0x400 [<ffffffff81168341>] __do_fault+0x71/0x520 [<ffffffff8116c3b2>] handle_mm_fault+0x3c2/0x1110 [<ffffffff81672098>] __do_page_fault+0x158/0x540 [<ffffffff81011611>] ? __switch_to+0x181/0x4b0 [<ffffffff81019d09>] ? read_tsc+0x9/0x20 [<ffffffff810c2b18>] ? ktime_get_ts+0x48/0xe0 [<ffffffff8167248e>] do_page_fault+0xe/0x10 [<ffffffff8166ebd8>] page_fault+0x28/0x30 Code: 48 89 f3 4c 8b 4e 70 4c 8b 56 48 48 c1 e0 04 49 8d 44 01 f0 4c 8b 08 44 8b 40 0c 49 8b 71 10 48 c7 43 48 00 00 00 00 f0 ff 43 6c <49> 8b 42 38 48 85 c0 74 4c 48 8b 40 18 48 85 c0 74 43 4d 8b 51 RIP [<ffffffffa01b6c9b>] submit_one_bio+0x3b/0xa0 [btrfs] RSP <ffff8801fd3e38f8> CR2: 0000000000000038
Created attachment 856359 [details] File: dmesg
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs. Fedora 20 has now been rebased to 3.13.4-200.fc20. Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel. If you experience different issues, please open a new bug report for those.
*********** MASS BUG UPDATE ************** This bug has been in a needinfo state for several weeks and is being closed with insufficient data due to inactivity. If this is still an issue with Fedora 20, please feel free to reopen the bug and provide the additional information requested.