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Re: fs corruption after docker usage

On Tue, 2017-01-31 at 10:30 +0100, Stephan Kirsten wrote:
> Hello,
> after some usage of docker with overlayfs on an ext4 partition we ran
> into this bug on the linux-image-4.8.0-0.bpo.2-amd64 package:
> Jan 31 09:37:01 testhost1 kernel: [422944.349735] kernel BUG at
> /build/linux-aPrr8L/linux-4.8.15/fs/inode.c:1502!
> Jan 31 09:37:01 testhost1 kernel: [422944.352149] invalid opcode:
> 0000
> [#14] SMP
> Jan 31 09:37:01 testhost1 kernel: [422944.354546] Modules linked in:
> xt_nat xt_tcpudp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user
> xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4
> xt_
> addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat
> nf_conntrack br_netfilter bridge stp llc overlay fuse btrfs xor
> raid6_pq
> ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs libcrc32c crc
> 32c_generic intel_rapl sb_edac edac_core x86_pkg_temp_thermal
> intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul
> crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore
> ipmi_devintf dcd
> bas mxm_wmi iTCO_wdt iTCO_vendor_support mgag200 ttm drm_kms_helper
> evdev drm intel_rapl_perf tpm_tis tpm_tis_core i2c_algo_bit mei_me
> ipmi_si pcspkr tpm lpc_ich acpi_power_meter mei ipmi_msghandler mfd_c
> ore button shpchp wmi autofs4 ext4 crc16 jbd2 fscrypto mbcache
> scsi_dh_emc dm_service_time dm_multipath sd_mod dm_mod sg sr_mod
> cdrom
> uas usb_storage hid_generic usbhid hid crc32c_intel aesni_intel
> aes_x8
> 6_64 glue_helper lrw gf128mul ablk_helper cryptd qla2xxx ahci libahci
> ehci_pci ehci_hcd libata tg3 scsi_transport_fc usbcore ptp scsi_mod
> pps_core usb_common libphy fjes
> Jan 31 09:37:01 testhost1 kernel: [422944.376041] CPU: 46 PID: 130563
> Comm: rm Tainted: G      D W       4.8.0-0.bpo.2-amd64 #1 Debian
> 4.8.15-2~bpo8+2

This indicates that there wer earlier BUG and WARN messages.  Please
send those as well.


Ben Hutchings
Nothing is ever a complete failure; it can always serve as a bad

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