af_alg05 test from crypto test suite in LTP killed with SIGSEGV on B-AWS ARM64

[Po-Hsu Lin]

<<<test_start>>>
tag=af_alg05 stime=1565610613
cmdline="af_alg05"
contacts=""
analysis=exit
<<<test_output>>>
tst_test.c:1100: INFO: Timeout per run is 0h 05m 00s
tst_test.c:1145: BROK: Test killed by SIGSEGV!

Summary:
passed 0
failed 0
skipped 0
warnings 0
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=2 corefile=no
cutime=0 cstime=9
<<<test_end>>>

 [ 901.066248] LTP: starting af_alg05
 [ 901.091940] NET: Registered protocol family 38
 [ 901.111372] Unable to handle kernel paging request at virtual address ffff7e00130fdea0
 [ 901.113899] Mem abort info:
 [ 901.114733] ESR = 0x96000006
 [ 901.115635] Exception class = DABT (current EL), IL = 32 bits
 [ 901.117450] SET = 0, FnV = 0
 [ 901.118354] EA = 0, S1PTW = 0
 [ 901.119281] Data abort info:
 [ 901.120136] ISV = 0, ISS = 0x00000006
 [ 901.121357] CM = 0, WnR = 0
 [ 901.122237] swapper pgtable: 4k pages, 48-bit VAs, pgd = 00000000f62813a8
 [ 901.124187] [ffff7e00130fdea0] *pgd=000000043afe7803, *pud=000000043afe6803, *pmd=0000000000000000
 [ 901.127083] Internal error: Oops: 96000006 [#1] SMP
 [ 901.128499] Modules linked in: algif_skcipher af_alg nls_iso8859_1 sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear aes_ce_blk aes_ce_cipher crc32_ce crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce ena aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64
 [ 901.142552] CPU: 0 PID: 6945 Comm: af_alg05 Not tainted 4.15.0-1043-aws #45-Ubuntu
 [ 901.145101] Hardware name: Amazon EC2 a1.medium/, BIOS 1.0 11/1/2018
 [ 901.147218] pstate: 20400005 (nzCv daif +PAN -UAO)
 [ 901.148871] pc : skcipher_walk_done+0xc0/0x2b0
 [ 901.150382] lr : skcipher_walk_next+0x424/0x458
 [ 901.151928] sp : ffff00000b9cba20
 [ 901.153060] x29: ffff00000b9cba20 x28: ffff00000b9cbd00
 [ 901.154867] x27: 0000000000000000 x26: ffff000009528000
 [ 901.156680] x25: ffff8003f40d7280 x24: ffff8003f40d7280
 [ 901.158491] x23: 0000000000000000 x22: 0000000000000000
 [ 901.160299] x21: 00000000ffffffea x20: 0000000000000025
 [ 901.162091] x19: ffff00000b9cbb60 x18: 0000ffffa04d8a70
 [ 901.163900] x17: 0000000000000410 x16: 0000000000000000
 [ 901.165698] x15: 0000000000000000 x14: 000000000000000f
 [ 901.167494] x13: 0000000000000010 x12: 0000000000000010
 [ 901.169305] x11: 0000000000000010 x10: 000000000000000f
 [ 901.171111] x9 : 00000000ffff8012 x8 : ffff8003f7888680
 [ 901.172935] x7 : 00000000ffff8010 x6 : ffff8003f3892c10
 [ 901.174735] x5 : 0000000000001000 x4 : 0000000000001000
 [ 901.176544] x3 : 0000000000000000 x2 : ffff7e000f0fdec0
 [ 901.178339] x1 : ffff8003f3892c10 x0 : ffff7e00130fde80
 [ 901.180146] Process af_alg05 (pid: 6945, stack limit = 0x00000000f9418020)
 [ 901.182472] Call trace:
 [ 901.183337] skcipher_walk_done+0xc0/0x2b0
 [ 901.184732] skcipher_walk_next+0x424/0x458
 [ 901.186157] skcipher_walk_first+0x54/0x138
 [ 901.187581] skcipher_walk_skcipher+0xd0/0xf8
 [ 901.189074] skcipher_walk_virt+0x3c/0x60
 [ 901.190456] crypto_cbc_decrypt+0x4c/0x1c0
 [ 901.191847] skcipher_recvmsg+0x240/0x3e0 [algif_skcipher]
 [ 901.193720] sock_recvmsg+0x58/0x68
 [ 901.194925] sock_read_iter+0x98/0xe8
 [ 901.196184] new_sync_read+0xd8/0x130
 [ 901.197430] __vfs_read+0x74/0x80
 [ 901.198576] vfs_read+0x94/0x150
 [ 901.199690] SyS_read+0x6c/0xd8
 [ 901.200781] el0_svc_naked+0x30/0x34
 [ 901.202014] Code: f9400022 530c7c00 927ef442 8b001840 (f9401001)
 [ 901.204070] ---[ end trace abe58e933100bfd6 ]---

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-1043-aws 4.15.0-1043.45
ProcVersionSignature: User Name 4.15.0-1043.45-aws 4.15.18
Uname: Linux 4.15.0-1043-aws aarch64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: arm64
Date: Mon Aug 12 11:50:34 2019
Ec2AMI: ami-0c579621aaac8bade
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: us-west-2c
Ec2InstanceType: a1.medium
Ec2Kernel: unavailable
Ec2Ramdisk: unavailable
SourcePackage: linux-aws
UpgradeStatus: No upgrade log present (probably fresh install)

[Po-Hsu Lin (cypressyew)]

Didn't see this anymore on B-AWS arm64