From: Romain Francoise Subject: Re: Linux 3.6-rc5 Date: Sun, 09 Sep 2012 11:13:02 +0200 Message-ID: <87har7h84h.fsf@silenus.orebokech.com> References: Mime-Version: 1.0 Content-Type: text/plain Cc: Linux Kernel Mailing List , Linux Crypto Mailing List , Herbert Xu To: Linus Torvalds Return-path: Received: from stringer.orebokech.com ([88.190.240.207]:41406 "EHLO stringer.orebokech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753067Ab2IIJNE (ORCPT ); Sun, 9 Sep 2012 05:13:04 -0400 In-Reply-To: (Linus Torvalds's message of "Sat, 8 Sep 2012 17:18:36 -0700") Sender: linux-crypto-owner@vger.kernel.org List-ID: Still seeing this BUG with -rc5, that I originally reported here: http://marc.info/?l=linux-crypto-vger&m=134653220530264&w=2 [ 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 bridg e 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:[] [] 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] [] ? scatterwalk_map_and_copy+0x5b/0xd0 [ 26.402714] [] ? crypto_authenc_genicv+0xa0/0x300 [authenc] [ 26.404274] [] ? test_aead+0x58b/0xcd0 [ 26.406082] [] ? crypto_mod_get+0x10/0x30 [ 26.407704] [] ? crypto_alloc_base+0x53/0xb0 [ 26.409267] [] ? cryptd_alloc_ablkcipher+0x80/0xc0 [cryptd] [ 26.410838] [] ? __kmalloc+0x20d/0x250 [ 26.412364] [] ? crypto_spawn_tfm2+0x31/0x70 [ 26.413938] [] ? ablk_init_common+0x10/0x30 [ablk_helper] [ 26.415448] [] ? __crypto_alloc_tfm+0xf9/0x170 [ 26.416963] [] ? crypto_spawn_tfm+0x43/0x90 [ 26.418505] [] ? skcipher_geniv_init+0x1e/0x40 [ 26.420046] [] ? __crypto_alloc_tfm+0xf9/0x170 [ 26.421599] [] ? crypto_spawn_tfm+0x43/0x90 [ 26.423228] [] ? __kmalloc+0x20d/0x250 [ 26.424788] [] ? crypto_authenc_init_tfm+0x49/0xc0 [authenc] [ 26.426374] [] ? __crypto_alloc_tfm+0xf9/0x170 [ 26.427999] [] ? alg_test_aead+0x48/0xb0 [ 26.429781] [] ? alg_test+0xfe/0x310 [ 26.431503] [] ? __schedule+0x2ba/0x700 [ 26.433235] [] ? cryptomgr_probe+0xb0/0xb0 [ 26.434918] [] ? cryptomgr_test+0x38/0x40 [ 26.436524] [] ? kthread+0x85/0x90 [ 26.436526] [] ? kernel_thread_helper+0x4/0x10 [ 26.436527] [] ? kthread_freezable_should_stop+0x60/0x60 [ 26.436528] [] ? 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 [] scatterwalk_start+0x11/0x20 [ 26.436538] RSP [ 26.436544] ---[ end trace 1d0abbb65dcc723e ]--- [ 26.436546] note: cryptomgr_test[3704] exited with preempt_count 1