Am Samstag, 7. Oktober 2017, 05:29:48 CEST schrieb Herbert Xu: Hi Herbert, > I see the problem now. This was introduced with the skcipher walk > interface. The blkcipher walk interface didn't have this issue. > > I guess we should add a zero test vector once this is fixed. Thank you. This fixes the issue. Tested-by: Stephan Müller <smueller@xxxxxxxxxx> Though, this opens up the shash issue I tried to fix. [ 213.090857] ------------[ cut here ]------------ [ 213.091318] kernel BUG at ./include/linux/scatterlist.h:123! [ 213.091986] invalid opcode: 0000 [#1] SMP [ 213.092307] Modules linked in: algif_skcipher crypto_user authenc algif_aead af_alg ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_mangle ip6table_raw ip6table_security iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables crct10dif_pclmul crc32_pclmul ghash_clmulni_intel virtio_balloon virtio_net pcspkr i2c_piix4 sch_fq_codel virtio_blk virtio_console crc32c_intel virtio_pci virtio_ring serio_raw virtio [ 213.092307] CPU: 0 PID: 1014 Comm: kcapi Not tainted 4.14.0-rc1+ #555 [ 213.092307] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014 [ 213.092307] task: ffff8b8838e94f80 task.stack: ffff9dbe40598000 [ 213.092307] RIP: 0010:shash_ahash_digest+0xc9/0xd0 [ 213.092307] RSP: 0018:ffff9dbe4059bc38 EFLAGS: 00010286 [ 213.092307] RAX: 0000000087654321 RBX: ffff8b883bf64cb8 RCX: ffff8b883bf64810 [ 213.092307] RDX: 0000000000000000 RSI: ffff8b883bf64d08 RDI: 000000003bf64858 [ 213.092307] RBP: ffff9dbe4059bc58 R08: ffffffff99402320 R09: ffff9dbe4059bd70 [ 213.092307] R10: ffff9dbe4059bcb8 R11: ffff8b883bf64810 R12: ffff8b883bf64d08 [ 213.092307] R13: ffff8b8837d1a248 R14: ffff8b8838555980 R15: ffff8b883bf64810 [ 213.092307] FS: 00007facf85b8700(0000) GS:ffff8b883fc00000(0000) knlGS: 0000000000000000 [ 213.092307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 213.092307] CR2: 0000000000000000 CR3: 000000007845e002 CR4: 00000000003606f0 [ 213.092307] Call Trace: [ 213.092307] ? shash_ahash_digest+0xd0/0xd0 [ 213.092307] shash_async_digest+0x24/0x30 [ 213.092307] crypto_ahash_op+0x29/0x70 [ 213.092307] crypto_ahash_digest+0x16/0x20 [ 213.092307] crypto_authenc_genicv+0x7b/0xb0 [authenc] [ 213.092307] ? simd_skcipher_encrypt+0xb7/0xc0 [ 213.092307] crypto_authenc_encrypt+0xa3/0x170 [authenc] [ 213.092307] aead_recvmsg+0x2dd/0x5f0 [algif_aead] [ 213.092307] sock_recvmsg+0x3d/0x50 [ 213.092307] sock_read_iter+0x86/0xc0 [ 213.092307] __vfs_read+0xcb/0x120 [ 213.092307] vfs_read+0x8e/0x130 [ 213.092307] SyS_read+0x46/0xa0 [ 213.092307] do_syscall_64+0x5f/0xf0 [ 213.092307] entry_SYSCALL64_slow_path+0x25/0x25 [ 213.092307] RIP: 0033:0x7facf7ec41b0 [ 213.092307] RSP: 002b:00007ffff79f22b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 213.092307] RAX: ffffffffffffffda RBX: 0000000000001000 RCX: 00007facf7ec41b0 [ 213.092307] RDX: 0000000000001000 RSI: 00007ffff79f33c0 RDI: 0000000000000006 [ 213.092307] RBP: 0000000001ad701c R08: 0000000000000000 R09: 00007ffff79f2250 [ 213.092307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 213.092307] R13: 00007ffff79f33c0 R14: 00007ffff79f33c0 R15: 00007ffff79f23c0 [ 213.092307] Code: 03 35 14 0e a4 00 48 01 fe 4c 89 e7 e8 71 fa ff ff 41 89 c5 41 83 ae c0 08 00 00 01 41 f6 44 24 09 02 74 92 e8 79 6f 42 00 eb 8b <0f> 0b 0f 0b 0f 1f 00 0f 1f 44 00 00 48 8b 47 20 55 48 8d 77 50 [ 213.092307] RIP: shash_ahash_digest+0xc9/0xd0 RSP: ffff9dbe4059bc38 [ 213.125048] ---[ end trace 7b80ad4517eb7967 ]--- Ciao Stephan
