Hi Herbert, another crash with all of the latest patches and using gcm_base(ctr(aes- asm),ghash-generic) using the standard AEAD interface and performing encryption. [ 599.243110] ------------[ cut here ]------------ [ 599.243113] kernel BUG at crypto/scatterwalk.c:37! [ 599.243115] invalid opcode: 0000 [#1] SMP [ 599.243118] Modules linked in: ctr ghash_generic gcm ecb cbc kcapi_cavs(OE) sha512_ssse3 sha512_generic sha256_ssse3 sha1_ssse3 sha1_generic nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack cfg80211 ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_mangle iptable_security iptable_raw crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper ablk_helper joydev microcode virtio_balloon serio_raw pcspkr acpi_cpufreq i2c_piix4 virtio_blk qxl virtio_net drm_kms_helper ttm drm virtio_pci virtio_ring virtio [last unloaded: kcapi_cavs] [ 599.243163] CPU: 0 PID: 8711 Comm: perl Tainted: G OE 4.0.0+ #228 [ 599.243164] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.1-20150318_183358- 04/01/2014 [ 599.243167] task: ffff88007c03dd80 ti: ffff88007c064000 task.ti: ffff88007c064000 [ 599.243169] RIP: 0010:[<ffffffff812b6cc9>] [<ffffffff812b6cc9>] scatterwalk_start.part.6+0x9/0x10 [ 599.243175] RSP: 0018:ffff88007c067bf8 EFLAGS: 00010246 [ 599.243176] RAX: ffff88007c067d78 RBX: 0000000000000010 RCX: ffffea0000000000 [ 599.243178] RDX: 0000000000000000 RSI: ffffea0001e2d800 RDI: ffff88007c067c18 [ 599.243179] RBP: ffff88007c067bf8 R08: 0000000000000001 R09: 0000000000000010 [ 599.243181] R10: 0000000000000010 R11: ffff88007c067b68 R12: 0000000000000001 [ 599.243182] R13: ffff880000026940 R14: ffff8800363a5100 R15: 0000000000000010 [ 599.243184] FS: 00007fb331f9d700(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000 [ 599.243186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 599.243188] CR2: 00007f20183b6d74 CR3: 00000000133b7000 CR4: 00000000000407f0 [ 599.243192] Stack: [ 599.243194] ffff88007c067c78 ffffffff812b712d ffff88007c067d78 0000000000000010 [ 599.243197] ffff88007c067c28 ffffffff812bdd96 ffff88007c067c48 ffffffff812bd595 [ 599.243200] ffff880000026940 ffff8800000268e0 ffff88007c067c58 ffffffff812bd5e6 [ 599.243203] Call Trace: [ 599.243207] [<ffffffff812b712d>] scatterwalk_map_and_copy+0xcd/0xd0 [ 599.243210] [<ffffffff812bdd96>] ? shash_async_final+0x16/0x20 [ 599.243212] [<ffffffff812bd595>] ? crypto_ahash_op+0x25/0x60 [ 599.243215] [<ffffffff812bd5e6>] ? crypto_ahash_final+0x16/0x20 [ 599.243218] [<ffffffffa02c82d8>] gcm_enc_copy_hash+0x28/0x30 [gcm] [ 599.243221] [<ffffffffa02c935c>] crypto_gcm_encrypt+0xec/0x100 [gcm] [ 599.243224] [<ffffffffa02c9270>] ? crypto_gcm_init_crypt+0x1e0/0x1e0 [gcm] [ 599.243227] [<ffffffff812b7b85>] old_crypt+0xc5/0xe0 [ 599.243229] [<ffffffff812b7bdd>] old_encrypt+0x1d/0x20 [ 599.243233] [<ffffffffa02c1183>] kccavs_aead_encdec+0x53/0x80 [kcapi_cavs] [ 599.243235] [<ffffffffa02c1cca>] kccavs_test_aead+0x23a/0x3e0 [kcapi_cavs] [ 599.243238] [<ffffffffa02c0f17>] kccavs_data_read+0xf7/0x130 [kcapi_cavs] [ 599.243242] [<ffffffff811a9928>] __vfs_read+0x28/0xc0 [ 599.243244] [<ffffffff81294324>] ? security_file_permission+0x84/0xa0 [ 599.243247] [<ffffffff811a9ff3>] ? rw_verify_area+0x53/0x100 [ 599.243249] [<ffffffff811aa12a>] vfs_read+0x8a/0x140 [ 599.243252] [<ffffffff811aab56>] SyS_read+0x46/0xb0 [ 599.243256] [<ffffffff816877ee>] system_call_fastpath+0x12/0x71 [ 599.243257] Code: dd 7d d7 5b b8 ff ff ff ff 41 5c 41 5d 41 5e 5d c3 90 5b 44 89 e0 41 5c 41 5d 41 5e 5d c3 0f 1f 40 00 66 66 66 66 90 55 48 89 e5 <0f> 0b 0f 1f 44 00 00 66 66 66 66 90 48 89 37 8b 46 0c 85 c0 74 [ 599.243286] RIP [<ffffffff812b6cc9>] scatterwalk_start.part.6+0x9/0x10 [ 599.243290] RSP <ffff88007c067bf8> [ 599.243292] ---[ end trace d4df29cff525b7a7 ]--- -- Ciao Stephan -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html