| What | Removed | Added |
|---|---|---|
| Summary | 4.17.0 BUG: unable to handle kernel paging request at 00000000bfbfbf08 sysfs_kf_seq_show | 4.17.1 BUG: unable to handle kernel paging request at 00000000bfbfbf08 sysfs_kf_seq_show |
Comment # 1
on bug 106820
from Sverd Johnsen
4.17.1 still affected. load+unload should be sufficient [ 854.947999] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [ 854.948013] PGD 0 P4D 0 [ 854.948022] Oops: 0000 [#1] PREEMPT SMP PTI [ 854.948026] Modules linked in: amdgpu twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common serpent_avx2 serpent_avx_x86_64 serpent_generic chash gpu_sched ttm msr af_packet macvtap macvlan bonding nf_log_ipv6 nf_log_ipv4 nf_log_common nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_log nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nft_limit nft_ct nf_conntrack xfrm_user xfrm_algo nft_counter cls_u32 nft_meta nft_set_bitmap nft_set_hash sch_htb nft_set_rbtree raid0 intel_pmc_core x86_pkg_temp_thermal intel_powerclamp kvm_intel vhost_net tun vhost tap kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi md_mod snd_hda_intel bcache snd_hda_codec efi_pstore intel_cstate intel_uncore intel_rapl_perf snd_hwdep cdc_ether efivars [ 854.948111] snd_hda_core usbnet mei_me r8152 mei mii snd_pcm input_leds led_class tpm_crb binfmt_misc crypto_user efivarfs algif_skcipher af_alg mousedev joydev psmouse crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcspkr shpchp tpm_tis tpm_tis_core tpm fan thermal i8042 rng_core acpi_pad vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio atkbd libps2 [last unloaded: amdgpu] [ 854.948164] CPU: 2 PID: 6097 Comm: TaskSchedulerFo Not tainted 4.17.1-2-ph #2 [ 854.948168] Hardware name: Gigabyte Technology Co., Ltd. Z170X-UD3/Z170X-UD3-CF, BIOS F23d 12/01/2017 [ 854.948179] RIP: 0010:sysfs_kf_seq_show+0x1e/0x100 [ 854.948184] RSP: 0018:ffffadb482a07dd0 EFLAGS: 00010286 [ 854.948190] RAX: ffffffffffffffff RBX: 0000000000000000 RCX: 0000000000000001 [ 854.948194] RDX: ffff97d857e5ec00 RSI: 0000000000000001 RDI: ffff97d883e41c80 [ 854.948198] RBP: 00000000ffffffff R08: ffff97d85472e928 R09: ffff97d857e5ec00 [ 854.948202] R10: 0000000000000000 R11: 0000000000000001 R12: ffffadb482a07f08 [ 854.948206] R13: ffff97d83f71fa00 R14: 0000000000000001 R15: ffff97d883e41c80 [ 854.948211] FS: 00007fbce080f700(0000) GS:ffff97d89ed00000(0000) knlGS:0000000000000000 [ 854.948216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 854.948220] CR2: 0000000000000007 CR3: 0000000440274004 CR4: 00000000003606e0 [ 854.948224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 854.948228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 854.948232] Call Trace: [ 854.948244] seq_read+0x166/0x460 [ 854.948252] __vfs_read+0x31/0x150 [ 854.948260] vfs_read+0x85/0x130 [ 854.948267] ksys_read+0x4a/0xb0 [ 854.948274] do_syscall_64+0x43/0xf0 [ 854.948282] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 854.948287] RIP: 0033:0x7fbcf30ff934 [ 854.948292] RSP: 002b:00007fbce080ded0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 854.948298] RAX: ffffffffffffffda RBX: 0000000000000093 RCX: 00007fbcf30ff934 [ 854.948302] RDX: 0000000000001000 RSI: 000025eba2e3b400 RDI: 0000000000000093 [ 854.948306] RBP: 000025eba2e3b400 R08: 0000000000000000 R09: 000025eba3991b40 [ 854.948310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001000 [ 854.948314] R13: 000025eba2e3b400 R14: 0000000000000d68 R15: 00007fbcf33c85c0 [ 854.948318] Code: dd ff ff eb b8 5b 5d 41 5c c3 0f 1f 00 55 53 4c 8b 4f 78 49 8b 01 48 8b 40 08 4c 8b 40 60 49 8b 40 28 48 85 c0 0f 84 b3 00 00 00 <48> 8b 68 08 48 8b 4f 18 48 8b 47 08 48 39 c1 0f 87 b1 00 00 00 [ 854.948407] RIP: sysfs_kf_seq_show+0x1e/0x100 RSP: ffffadb482a07dd0 [ 854.948410] CR2: 0000000000000007 [ 854.948416] ---[ end trace f982eed156f986a9 ]--- etc. [ 1571.019192] general protection fault: 0000 [#7] PREEMPT SMP PTI [ 1571.019195] Modules linked in: cpufreq_ondemand twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common serpent_avx2 serpent_avx_x86_64 serpent_generic chash gpu_sched ttm msr af_packet macvtap macvlan bonding nf_log_ipv6 nf_log_ipv4 nf_log_common nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_log nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nft_limit nft_ct nf_conntrack xfrm_user xfrm_algo nft_counter cls_u32 nft_meta nft_set_bitmap nft_set_hash sch_htb nft_set_rbtree raid0 intel_pmc_core x86_pkg_temp_thermal intel_powerclamp kvm_intel vhost_net tun vhost tap kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi md_mod snd_hda_intel bcache snd_hda_codec efi_pstore intel_cstate intel_uncore intel_rapl_perf snd_hwdep cdc_ether [ 1571.019218] efivars snd_hda_core usbnet mei_me r8152 mei mii snd_pcm input_leds led_class tpm_crb binfmt_misc crypto_user efivarfs algif_skcipher af_alg mousedev joydev psmouse crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcspkr shpchp tpm_tis tpm_tis_core tpm fan thermal i8042 rng_core acpi_pad vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio atkbd libps2 [last unloaded: amdgpu] [ 1571.019234] CPU: 3 PID: 8349 Comm: sensors Tainted: G D 4.17.1-2-ph #2 [ 1571.019235] Hardware name: Gigabyte Technology Co., Ltd. Z170X-UD3/Z170X-UD3-CF, BIOS F23d 12/01/2017 [ 1571.019239] RIP: 0010:sysfs_kf_seq_show+0x1e/0x100 [ 1571.019240] RSP: 0018:ffffadb48258fdd0 EFLAGS: 00010206 [ 1571.019241] RAX: 20205b0a30303030 RBX: 0000000000000000 RCX: 0000000000000001 [ 1571.019242] RDX: ffff97d856debc00 RSI: 0000000000000001 RDI: ffff97d883e40080 [ 1571.019243] RBP: 00000000ffffffff R08: ffff97d83f183928 R09: ffff97d856debc00 [ 1571.019244] R10: 0000000000000000 R11: 0000000000000001 R12: ffffadb48258ff08 [ 1571.019245] R13: ffff97d83ff67800 R14: 0000000000000001 R15: ffff97d883e40080 [ 1571.019246] FS: 00007f7b8c789740(0000) GS:ffff97d89ed80000(0000) knlGS:0000000000000000 [ 1571.019247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1571.019248] CR2: 000055b25f006568 CR3: 000000040c9e8006 CR4: 00000000003606e0 [ 1571.019249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1571.019250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1571.019251] Call Trace: [ 1571.019255] seq_read+0x166/0x460 [ 1571.019258] ? ptrace_do_notify+0x92/0xc0 [ 1571.019260] __vfs_read+0x31/0x150 [ 1571.019262] vfs_read+0x85/0x130 [ 1571.019263] ksys_read+0x4a/0xb0 [ 1571.019265] do_syscall_64+0x43/0xf0 [ 1571.019268] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1571.019269] RIP: 0033:0x7f7b8c088901 [ 1571.019270] RSP: 002b:00007ffd4b10a6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 1571.019272] RAX: ffffffffffffffda RBX: 000055b25f005330 RCX: 00007f7b8c088901 [ 1571.019273] RDX: 0000000000001000 RSI: 000055b25f005790 RDI: 0000000000000004 [ 1571.019274] RBP: 0000000000000d68 R08: 0000000000000003 R09: 0000000000000000 [ 1571.019275] R10: 000055b25effc010 R11: 0000000000000246 R12: 00007f7b8c3515c0 [ 1571.019275] R13: 00007f7b8c352100 R14: 000000000000007f R15: 000055b25f005330 [ 1571.019277] Code: dd ff ff eb b8 5b 5d 41 5c c3 0f 1f 00 55 53 4c 8b 4f 78 49 8b 01 48 8b 40 08 4c 8b 40 60 49 8b 40 28 48 85 c0 0f 84 b3 00 00 00 <48> 8b 68 08 48 8b 4f 18 48 8b 47 08 48 39 c1 0f 87 b1 00 00 00 [ 1571.019297] RIP: sysfs_kf_seq_show+0x1e/0x100 RSP: ffffadb48258fdd0 [ 1571.019299] ---[ end trace f982eed156f986af ]---
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