[Bug 99107] BUG NULL pointer deref in gen6_ppgtt_insert_entries+0x154/0x1e0
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Dec 16 17:19:08 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=99107
Chris Wilson <chris at chris-wilson.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Screen+Keyboard hangup |BUG NULL pointer deref in
|after playing a certain |gen6_ppgtt_insert_entries+0
|file on VLC |x154/0x1e0
--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
[ 2510.847137] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 2510.847176] IP: [<ffffffffc00fb9d4>] gen6_ppgtt_insert_entries+0x154/0x1e0
[i915]
[ 2510.847231] PGD 1baa0b067 PUD 193f37067 PMD 0
[ 2510.847251] Oops: 0000 [#1] SMP
[ 2510.847264] Modules linked in: fuse ipt_IFWLOG ipt_psd xt_set ip_set_hash_ip
ip_set xt_recent iptable_nat nf_nat_ipv4 xt_comment ipt_REJECT nf_reject_ipv4
xt_addrtype bridge stp llc xt_mark iptable_mangle xt_tcpudp xt_CT iptable_raw
xt_multiport nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack xt_NFLOG
nfnetlink_log xt_LOG nf_log_ipv4 nf_log_common nf_nat_tftp nf_nat_snmp_basic
nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc
nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_nat
nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_udplite
nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre
nf_conntrack_netlink nfnetlink nf_conntrack_netbios_ns nf_conntrack_broadcast
nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack iptable_filter
[ 2510.847547] ip_tables x_tables af_packet msr vboxnetadp(O) vboxnetflt(O)
vboxdrv(O) intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel
kvm uvcvideo snd_usb_audio irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel
snd_usbmidi_lib ghash_clmulni_intel videobuf2_vmalloc videobuf2_memops
videobuf2_v4l2 videobuf2_core videodev snd_rawmidi cryptd media snd_seq_device
intel_cstate intel_uncore intel_rapl_perf snd_hda_codec_hdmi
snd_hda_codec_realtek input_leds joydev snd_hda_codec_generic snd_hda_intel
snd_hda_codec snd_hda_core ppdev gpio_ich iTCO_wdt iTCO_vendor_support
snd_hwdep psmouse snd_pcm snd_timer mei_me i2c_i801 i2c_smbus evdev fjes mei
lpc_ich nuvoton_cir rc_core snd soundcore shpchp parport_pc parport e1000e ptp
pps_core tpm_tis tpm_tis_core tpm sch_fq_codel ipv6 crc_ccitt
[ 2510.847843] autofs4 hid_generic usbhid hid xhci_pci xhci_hcd ehci_pci
ehci_hcd serio_raw usbcore usb_common i915 video button i2c_algo_bit
drm_kms_helper drm ata_piix
[ 2510.847910] CPU: 1 PID: 7449 Comm: vlc Tainted: G O
4.8.14-desktop-2.mga6 #1
[ 2510.847935] Hardware name: /DH67BL, BIOS
BLH6710H.86A.0105.2011.0301.1654 03/01/2011
[ 2510.847962] task: ffff92408597b900 task.stack: ffff924051614000
[ 2510.847981] RIP: 0010:[<ffffffffc00fb9d4>] [<ffffffffc00fb9d4>]
gen6_ppgtt_insert_entries+0x154/0x1e0 [i915]
[ 2510.848025] RSP: 0018:ffff9240516179e8 EFLAGS: 00010246
[ 2510.848042] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
00000000d37b6000
[ 2510.848063] RDX: ffff9240d352c000 RSI: 0000000000001000 RDI:
00000000d37b6000
[ 2510.848084] RBP: ffff924051617a38 R08: 0000000000000000 R09:
ffff9240d352c000
[ 2510.848106] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff924090555c20
[ 2510.848127] R13: 0000000000000000 R14: ffff9240d360cffc R15:
0000000000000000
[ 2510.848149] FS: 00007fffb2eee700(0000) GS:ffff9240dfa80000(0000)
knlGS:0000000000000000
[ 2510.848172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2510.848190] CR2: 00007fffb52e68ce CR3: 00000002143bd000 CR4:
00000000000406e0
[ 2510.848211] Stack:
[ 2510.848219] ffff92408597b900 0000000000000200 ffff9240d352c000
0000100000000001
[ 2510.848247] 00000000d37b6000 0000000000000000 ffff92403f410e00
0000000000000002
[ 2510.848275] 0000000000000001 ffff9240b20ec480 ffff924051617a70
ffffffffc00fd230
[ 2510.848301] Call Trace:
[ 2510.848325] [<ffffffffc00fd230>] aliasing_gtt_bind_vma+0x90/0xe0 [i915]
[ 2510.848359] [<ffffffffc010228e>] i915_vma_bind+0xce/0x180 [i915]
[ 2510.848391] [<ffffffffc01086fb>] i915_gem_object_do_pin+0x7eb/0xa20 [i915]
[ 2510.848424] [<ffffffffc010895d>] i915_gem_object_pin+0x2d/0x30 [i915]
[ 2510.848457] [<ffffffffc00f72b9>]
i915_gem_execbuffer_reserve_vma.isra.20+0x99/0x160 [i915]
[ 2510.848494] [<ffffffffc00f76e7>]
i915_gem_execbuffer_reserve.isra.21+0x367/0x390 [i915]
[ 2510.848530] [<ffffffffc00f89d5>]
i915_gem_do_execbuffer.isra.24+0x735/0x1250 [i915]
[ 2510.848556] [<ffffffffbd173439>] ? __alloc_pages_nodemask+0x169/0xd70
[ 2510.848577] [<ffffffffbd187390>] ? shmem_getpage_gfp+0x4f0/0x9e0
[ 2510.850036] [<ffffffffc00fa0b6>] i915_gem_execbuffer2+0x106/0x260 [i915]
[ 2510.851500] [<ffffffffc0018f37>] drm_ioctl+0x1d7/0x4a0 [drm]
[ 2510.852953] [<ffffffffc00f9fb0>] ? i915_gem_execbuffer+0x320/0x320 [i915]
[ 2510.854395] [<ffffffffbd1f9042>] do_vfs_ioctl+0x92/0x5a0
[ 2510.855843] [<ffffffffbd3b9179>] ? tomoyo_file_ioctl+0x19/0x20
[ 2510.857295] [<ffffffffbd1f95c9>] SyS_ioctl+0x79/0x90
[ 2510.858743] [<ffffffffbd003ade>] do_syscall_64+0x5e/0xc0
[ 2510.860192] [<ffffffffbd73d2e5>] entry_SYSCALL64_slow_path+0x25/0x25
[ 2510.861636] Code: 5f 5d c3 c7 45 cc 00 00 00 00 31 db 48 c7 45 d0 00 00 00
00 45 31 e4 e9 26 ff ff ff 8b 45 b8 48 8b 55 c0 48 8b 84 c2 c8 01 00 00 <4c> 8b
38 48 8b 45 b0 83 80 00 18 00 00 01 48 b8 00 00 00 00 00
[ 2510.863266] RIP [<ffffffffc00fb9d4>] gen6_ppgtt_insert_entries+0x154/0x1e0
[i915]
[ 2510.864859] RSP <ffff9240516179e8>
[ 2510.866435] CR2: 0000000000000000
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