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Date: Sun, 09 Sep 2012 15:54:24 +0300 From: Jussi Kivilinna <jussi.kivilinna@...et.fi> To: Romain Francoise <romain@...bokech.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Crypto Mailing List <linux-crypto@...r.kernel.org>, Herbert Xu <herbert@...dor.apana.org.au> Subject: Re: Linux 3.6-rc5 Quoting Romain Francoise <romain@...bokech.com>: > Still seeing this BUG with -rc5, that I originally reported here: > http://marc.info/?l=linux-crypto-vger&m=134653220530264&w=2 Does reverting e46e9a46386bca8e80a6467b5c643dc494861896 help? That commit added crypto selftest for authenc(hmac(sha1),cbc(aes)) in 3.6, and probably made this bug visible (but not directly causing it). -Jussi > > [ 26.362567] ------------[ cut here ]------------ > [ 26.362583] kernel BUG at crypto/scatterwalk.c:37! > [ 26.362606] invalid opcode: 0000 [#1] SMP > [ 26.362622] Modules linked in: authenc xfrm6_mode_tunnel > xfrm4_mode_tunnel cpufreq_conservative cpufreq_userspace > cpufreq_powersave cpufreq_stats xfrm_user xfrm4_tunnel tunnel4 > ipcomp xfrm_ipcomp esp4 ah4 binfmt_misc deflate zlib_deflate ctr > twofish_generic twofish_avx_x86_64 twofish_x86_64_3way > twofish_x86_64 twofish_common camellia_generic camellia_x86_64 > serpent_avx_x86_64 serpent_sse2_x86_64 serpent_generic glue_helper > lrw xts gf128mul blowfish_generic blowfish_x86_64 blowfish_common > cast5 des_generic cbc xcbc rmd160 sha512_generic sha1_ssse3 > sha1_generic hmac crypto_null af_key xfrm_algo ip6table_filter > ip6_tables xt_recent xt_LOG nf_conntrack_ipv4 nf_defrag_ipv4 > xt_state nf_conntrack xt_tcpudp iptable_filter ip_tables x_tables > hwmon_vid msr vhost_net macvtap macvlan tun loop bridge stp llc > firewire_sbp2 fuse rc_dib0700_rc5 snd_hda_codec_hdmi dvb_usb_dib0700 > dib7000m dib0090 dib8000 dib0070 dib7000p dib3000mc dibx000_common > dvb_usb snd_hda_codec_realtek dvb_core rc_co > re snd > _hda_intel snd_hda_codec snd_seq_midi snd_seq_midi_event snd_hwdep > snd_pcm_oss snd_rawmidi snd_mixer_oss snd_seq snd_pcm snd_seq_device > radeon snd_timer snd soundcore acpi_cpufreq mperf ttm processor > drm_kms_helper thermal_sys mxm_wmi drm snd_page_alloc i2c_algo_bit > i2c_i801 i2c_core lpc_ich button psmouse evdev coretemp serio_raw > wmi pcspkr mei kvm_intel kvm ext4 crc16 jbd2 mbcache sha256_generic > usb_storage uas dm_crypt dm_mod raid10 raid1 md_mod sg ata_generic > sd_mod hid_generic crc_t10dif pata_marvell usbhid hid crc32c_intel > ghash_clmulni_intel aesni_intel aes_x86_64 aes_generic ablk_helper > cryptd firewire_ohci microcode ahci firewire_core libahci crc_itu_t > libata scsi_mod xhci_hcd ehci_hcd usbcore usb_common e1000e > [ 26.371138] CPU 5 > [ 26.371146] Pid: 3704, comm: cryptomgr_test Not tainted > 3.6.0-rc5-ore #1 /DP67BG > [ 26.374095] RIP: 0010:[<ffffffff811d70d1>] [<ffffffff811d70d1>] > scatterwalk_start+0x11/0x20 > [ 26.375598] RSP: 0018:ffff88040d62b9d8 EFLAGS: 00010246 > [ 26.377067] RAX: 0000000000000000 RBX: ffff88040b6e3868 RCX: > 0000000000000014 > [ 26.378567] RDX: 0000000000000020 RSI: ffff88040b6e3868 RDI: > ffff88040d62b9e0 > [ 26.380028] RBP: 0000000000000020 R08: 0000000000000001 R09: > ffff88040b6e39a8 > [ 26.381494] R10: ffffffffa06b4000 R11: ffff88040b6e39fc R12: > 0000000000000014 > [ 26.383023] R13: 0000000000000001 R14: ffff88040b6e38f8 R15: > 0000000000000000 > [ 26.384488] FS: 0000000000000000(0000) GS:ffff88041f540000(0000) > knlGS:0000000000000000 > [ 26.385973] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 26.387581] CR2: 00007f54c282fbd0 CR3: 000000000180b000 CR4: > 00000000000407e0 > [ 26.389057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 26.390547] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 26.392015] Process cryptomgr_test (pid: 3704, threadinfo > ffff88040d62a000, task ffff88040ca3ab60) > [ 26.393558] Stack: > [ 26.395103] ffffffff811d72fb ffff88040b6e3868 0000002000000000 > ffff88040b6e3868 > [ 26.396622] ffff88040b6e3800 ffff88040b6e3868 0000000000000020 > ffff88040b6e3868 > [ 26.398163] ffff88040919f440 ffff88040d62bcc8 ffffffffa07edaa0 > ffff88040b6e3930 > [ 26.399643] Call Trace: > [ 26.401112] [<ffffffff811d72fb>] ? scatterwalk_map_and_copy+0x5b/0xd0 > [ 26.402714] [<ffffffffa07edaa0>] ? > crypto_authenc_genicv+0xa0/0x300 [authenc] > [ 26.404274] [<ffffffff811de5bb>] ? test_aead+0x58b/0xcd0 > [ 26.406082] [<ffffffff811d4cb0>] ? crypto_mod_get+0x10/0x30 > [ 26.407704] [<ffffffff811d57c3>] ? crypto_alloc_base+0x53/0xb0 > [ 26.409267] [<ffffffffa01dd6e0>] ? > cryptd_alloc_ablkcipher+0x80/0xc0 [cryptd] > [ 26.410838] [<ffffffff8113f3fd>] ? __kmalloc+0x20d/0x250 > [ 26.412364] [<ffffffff811d6321>] ? crypto_spawn_tfm2+0x31/0x70 > [ 26.413938] [<ffffffffa0066050>] ? ablk_init_common+0x10/0x30 > [ablk_helper] > [ 26.415448] [<ffffffff811d56f9>] ? __crypto_alloc_tfm+0xf9/0x170 > [ 26.416963] [<ffffffff811d63a3>] ? crypto_spawn_tfm+0x43/0x90 > [ 26.418505] [<ffffffff811d998e>] ? skcipher_geniv_init+0x1e/0x40 > [ 26.420046] [<ffffffff811d56f9>] ? __crypto_alloc_tfm+0xf9/0x170 > [ 26.421599] [<ffffffff811d63a3>] ? crypto_spawn_tfm+0x43/0x90 > [ 26.423228] [<ffffffff8113f3fd>] ? __kmalloc+0x20d/0x250 > [ 26.424788] [<ffffffffa07ed359>] ? > crypto_authenc_init_tfm+0x49/0xc0 [authenc] > [ 26.426374] [<ffffffff811d56f9>] ? __crypto_alloc_tfm+0xf9/0x170 > [ 26.427999] [<ffffffff811dedd8>] ? alg_test_aead+0x48/0xb0 > [ 26.429781] [<ffffffff811dddee>] ? alg_test+0xfe/0x310 > [ 26.431503] [<ffffffff8141de1a>] ? __schedule+0x2ba/0x700 > [ 26.433235] [<ffffffff811dcb30>] ? cryptomgr_probe+0xb0/0xb0 > [ 26.434918] [<ffffffff811dcb68>] ? cryptomgr_test+0x38/0x40 > [ 26.436524] [<ffffffff8106fbb5>] ? kthread+0x85/0x90 > [ 26.436526] [<ffffffff81427d44>] ? kernel_thread_helper+0x4/0x10 > [ 26.436527] [<ffffffff8106fb30>] ? > kthread_freezable_should_stop+0x60/0x60 > [ 26.436528] [<ffffffff81427d40>] ? gs_change+0x13/0x13 > [ 26.436537] Code: 00 00 88 ff ff 48 c1 e0 0c 48 01 d0 8b 57 08 81 > e2 ff 0f 00 00 48 01 d0 c3 90 48 89 37 8b 46 0c 85 c0 74 07 8b 46 08 > 89 47 08 c3 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 8b 47 08 > 48 8b 17 > [ 26.436538] RIP [<ffffffff811d70d1>] scatterwalk_start+0x11/0x20 > [ 26.436538] RSP <ffff88040d62b9d8> > [ 26.436544] ---[ end trace 1d0abbb65dcc723e ]--- > [ 26.436546] note: cryptomgr_test[3704] exited with preempt_count 1 > -- > To unsubscribe from this list: send the line "unsubscribe linux-crypto" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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