[dm-devel] [BUG] Oops caused by FEC in 4.10.0
michal virgovic
michalvirgovic1 at gmail.com
Wed Mar 15 20:22:02 UTC 2017
Hi,
This oops keeps appearing.
Attachment file is the reproducer. Fec,hash devices, salt and root
digest are not correct, if required i can send a script, where
everything is computed properly.
Output of crash:
Message from syslogd at debian8 at Mar 15 20:08:54 ...
kernel:[ 731.046277] BUG: stack guard page was hit at
ffffc90001233ff8 (stack is ffffc90001234000..ffffc90001237fff)
[ 731.046277] BUG: stack guard page was hit at ffffc90001233ff8
(stack is ffffc90001234000..ffffc90001237fff)
[ 731.046284] kernel stack overflow (double-fault): 0000 [#1] SMP
[ 731.046285] Modules linked in: sha256_ssse3 sha256_generic
dm_verity dm_bufio reed_solomon dm_mod loop nls_utf8 isofs udf
crc_itu_t binfmt_misc cfg80211 rfkill nfsd auth_rpcgss oid_registry
nfs_acl nfs lockd grace fscache sunrpc joydev crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel pcbc snd_intel8x0 aesni_intel
snd_ac97_codec aes_x86_64 crypto_simd snd_pcm glue_helper cryptd
i2c_piix4 acpi_cpufreq i2c_core video snd_timer evdev ac97_bus snd
serio_raw soundcore button tpm_tis tpm_tis_core pcspkr battery ac tpm
fuse parport_pc ppdev lp parport autofs4 ext4 crc16 jbd2 mbcache sg
sr_mod cdrom sd_mod ata_generic hid_generic usbhid hid ohci_pci
ehci_pci ahci ohci_hcd ata_piix libahci ehci_hcd crc32c_intel usbcore
psmouse libata usb_common scsi_mod e1000
[ 731.046329] CPU: 2 PID: 123 Comm: kworker/u8:2 Not tainted 4.10.0 #1
[ 731.046330] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS
VirtualBox 12/01/2006
[ 731.046340] Workqueue: kverityd verity_work [dm_verity]
[ 731.046341] task: ffff88012fda0180 task.stack: ffffc90001234000
[ 731.046345] RIP: 0010:__flush_write_list+0x18/0x80 [dm_bufio]
[ 731.046346] RSP: 0018:ffffc90001234000 EFLAGS: 00010286
[ 731.046347] RAX: ffff88012fda0180 RBX: ffffc90001234058 RCX: 0000000000000000
[ 731.046348] RDX: ffff88012fda0180 RSI: ffff880152557820 RDI: ffffc90001234000
[ 731.046349] RBP: ffffc90001234040 R08: ffffc90001234058 R09: ffffc90001234148
[ 731.046349] R10: 000000000000a000 R11: 0000000000000000 R12: ffff880152557800
[ 731.046350] R13: ffffc900012340b0 R14: 0000000000000001 R15: ffff88015228d0c0
[ 731.046352] FS: 0000000000000000(0000) GS:ffff880159d00000(0000)
knlGS:0000000000000000
[ 731.046352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 731.046353] CR2: ffffc90001233ff8 CR3: 000000012ec61000 CR4: 00000000000406e0
[ 731.046359] Call Trace:
[ 731.046365] ? __bufio_new+0x8e/0x2e0 [dm_bufio]
[ 731.046366] ? new_read+0x5a/0xe0 [dm_bufio]
[ 731.046368] ? verity_verify_level+0x72/0x180 [dm_verity]
[ 731.046369] ? verity_hash_for_block+0x3c/0xe0 [dm_verity]
[ 731.046370] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046380] ? __kernel_fpu_end+0x20/0xa0
[ 731.046381] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046383] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046384] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046386] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046387] ? __kernel_fpu_end+0x20/0xa0
[ 731.046388] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046390] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046391] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046392] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046394] ? __kernel_fpu_end+0x20/0xa0
[ 731.046395] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046396] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046398] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046399] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046400] ? __kernel_fpu_end+0x20/0xa0
[ 731.046402] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046403] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046404] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046406] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046407] ? __kernel_fpu_end+0x20/0xa0
[ 731.046408] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046410] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046411] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046412] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046414] ? __kernel_fpu_end+0x20/0xa0
[ 731.046415] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046417] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046418] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046419] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046421] ? __kernel_fpu_end+0x20/0xa0
[ 731.046422] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046423] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046425] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046426] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046427] ? __kernel_fpu_end+0x20/0xa0
[ 731.046429] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046430] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046431] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046432] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046434] ? __kernel_fpu_end+0x20/0xa0
[ 731.046435] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046437] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046438] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046439] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046441] ? __kernel_fpu_end+0x20/0xa0
[ 731.046442] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046443] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046445] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046454] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046456] ? __kernel_fpu_end+0x20/0xa0
[ 731.046457] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046459] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046460] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046461] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046463] ? __kernel_fpu_end+0x20/0xa0
[ 731.046464] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046465] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046467] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046468] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046469] ? __kernel_fpu_end+0x20/0xa0
[ 731.046471] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046472] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046474] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046475] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046476] ? __kernel_fpu_end+0x20/0xa0
[ 731.046478] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046479] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046480] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046482] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046483] ? __kernel_fpu_end+0x20/0xa0
[ 731.046484] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046486] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046487] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046488] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046490] ? __kernel_fpu_end+0x20/0xa0
[ 731.046491] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046492] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046494] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046495] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046497] ? __kernel_fpu_end+0x20/0xa0
[ 731.046498] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046499] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046501] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046502] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046503] ? __kernel_fpu_end+0x20/0xa0
[ 731.046505] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046506] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046507] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046509] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046510] ? __kernel_fpu_end+0x20/0xa0
[ 731.046511] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046513] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046514] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046515] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046517] ? __kernel_fpu_end+0x20/0xa0
[ 731.046518] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046520] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046521] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046522] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046524] ? __kernel_fpu_end+0x20/0xa0
[ 731.046525] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046526] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046528] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046529] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046530] ? __kernel_fpu_end+0x20/0xa0
[ 731.046532] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046533] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046534] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046536] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046537] ? __kernel_fpu_end+0x20/0xa0
[ 731.046538] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046540] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046541] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046542] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046544] ? __kernel_fpu_end+0x20/0xa0
[ 731.046545] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046547] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046548] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046549] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046551] ? __kernel_fpu_end+0x20/0xa0
[ 731.046552] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046553] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046555] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046556] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046559] ? set_next_entity+0x70/0x9e0
[ 731.046560] ? __kernel_fpu_end+0x20/0xa0
[ 731.046561] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046563] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046564] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046565] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046567] ? __kernel_fpu_end+0x20/0xa0
[ 731.046568] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046569] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046571] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046572] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046585] ? __blk_run_queue+0x2f/0x40
[ 731.046586] ? __kernel_fpu_end+0x20/0xa0
[ 731.046588] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046589] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046591] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046592] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046593] ? __kernel_fpu_end+0x20/0xa0
[ 731.046595] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046596] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046597] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046599] ? fec_decode_rsb+0x6a9/0x9c0 [dm_verity]
[ 731.046600] ? __kernel_fpu_end+0x20/0xa0
[ 731.046601] ? verity_fec_decode+0x8e/0x160 [dm_verity]
[ 731.046603] ? verity_verify_level+0x151/0x180 [dm_verity]
[ 731.046604] ? verity_hash_for_block+0xa8/0xe0 [dm_verity]
[ 731.046605] ? verity_work+0x5e/0x189 [dm_verity]
[ 731.046609] ? process_one_work+0x14d/0x410
[ 731.046611] ? worker_thread+0x62/0x490
[ 731.046612] ? rescuer_thread+0x320/0x320
[ 731.046614] ? kthread+0x104/0x140
[ 731.046615] ? kthread_park+0x80/0x80
[ 731.046621] ? ret_from_fork+0x26/0x40
[ 731.046621] Code: 41 5d 41 5e 41 5f e9 78 f0 d4 e0 0f 0b 66 0f 1f
44 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb 48 83 e4 f0 48 83 ec
30 48 89 e7 <e8> 93 a1 d4 e0 48 8b 03 48 39 c3 74 4c 48 8b 03 48 be 00
01 00
[ 731.046638] RIP: __flush_write_list+0x18/0x80 [dm_bufio] RSP:
ffffc90001234000
[ 731.046639] ---[ end trace 55a62936c3c55e6b ]---
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