diff options
Diffstat (limited to 'results/classifier/118/none/2054')
| -rw-r--r-- | results/classifier/118/none/2054 | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/results/classifier/118/none/2054 b/results/classifier/118/none/2054 new file mode 100644 index 000000000..ae9b6712d --- /dev/null +++ b/results/classifier/118/none/2054 @@ -0,0 +1,72 @@ +mistranslation: 0.726 +risc-v: 0.681 +permissions: 0.650 +TCG: 0.631 +user-level: 0.624 +graphic: 0.601 +peripherals: 0.600 +ppc: 0.590 +virtual: 0.554 +semantic: 0.549 +hypervisor: 0.538 +vnc: 0.515 +arm: 0.506 +register: 0.488 +debug: 0.483 +KVM: 0.459 +performance: 0.451 +device: 0.436 +PID: 0.428 +boot: 0.422 +socket: 0.406 +assembly: 0.399 +network: 0.395 +architecture: 0.390 +VMM: 0.371 +x86: 0.332 +files: 0.314 +kernel: 0.301 +i386: 0.279 + +chacha20-s390 broken in 8.2.0 in TCG on s390x +Description of problem: +When running linux guest in qemu-system-s390x in TCG mode, it fails at selftests of crypto algorithms, namely at chacha20: +``` +[ 10.546690] alg: skcipher: chacha20-s390 encryption test failed (wrong result) on test vector 1, cfg="in-place (one sglist)" +[ 10.546914] alg: self-tests for chacha20 using chacha20-s390 failed (rc=-22) +[ 10.546969] ------------[ cut here ]------------ +[ 10.546998] alg: self-tests for chacha20 using chacha20-s390 failed (rc=-22) +[ 10.547182] WARNING: CPU: 1 PID: 109 at crypto/testmgr.c:5936 alg_test+0x55a/0x5b8 +[ 10.547510] Modules linked in: net_failover chacha_s390(+) libchacha virtio_blk(+) failover +[ 10.547854] CPU: 1 PID: 109 Comm: cryptomgr_test Not tainted 6.5.0-5-s390x #1 Debian 6.5.13-1 +[ 10.548002] Hardware name: QEMU 8561 QEMU (KVM/Linux) +[ 10.548101] Krnl PSW : 0704c00180000000 00000000005df8fe (alg_test+0x55e/0x5b8) +[ 10.548207] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3 +[ 10.548291] Krnl GPRS: 0000000000000000 0000000001286408 00000000005df8fa 0000000001286408 +[ 10.548337] 000000000014bf14 00000000001c6ba8 0000000001838b3c 0000000000000005 +[ 10.548475] 00000000025a4880 00000000025a4800 ffffffffffffffea 00000000ffffffea +[ 10.548521] 000000003e649200 00000000ffffffff 00000000005df8fa 000003800016bcf8 +[ 10.549504] Krnl Code: 00000000005df8ee: c020003b5828 larl %r2,0000000000d4a93e +[ 10.549504] 00000000005df8f4: c0e5ffdb62d2 brasl %r14,000000000014be98 +[ 10.549504] #00000000005df8fa: af000000 mc 0,0 +[ 10.549504] >00000000005df8fe: a7f4fee6 brc 15,00000000005df6ca +[ 10.549504] 00000000005df902: b9040042 lgr %r4,%r2 +[ 10.549504] 00000000005df906: b9040039 lgr %r3,%r9 +[ 10.549504] 00000000005df90a: c020003b57df larl %r2,0000000000d4a8c8 +[ 10.549504] 00000000005df910: 18bd lr %r11,%r13 +[ 10.550004] Call Trace: +[ 10.550375] [<00000000005df8fe>] alg_test+0x55e/0x5b8 +[ 10.550467] ([<00000000005df8fa>] alg_test+0x55a/0x5b8) +[ 10.550489] [<00000000005d9fbc>] cryptomgr_test+0x34/0x60 +[ 10.550514] [<000000000017d004>] kthread+0x124/0x130 +[ 10.550539] [<0000000000103124>] __ret_from_fork+0x3c/0x50 +[ 10.550562] [<0000000000b1dfca>] ret_from_fork+0xa/0x30 +[ 10.550611] Last Breaking-Event-Address: +[ 10.550626] [<000000000014bf20>] __warn_printk+0x88/0x110 +[ 10.550723] ---[ end trace 0000000000000000 ]--- +``` +An interesting issue here - it does not happen on, say, amd64 host running qemu-system-s390x, but happens on s390x host. I haven't tried other hosts though. + +Bisection points at v8.1.0-2627-gab84dc398b commit, "tcg/optimize: Optimize env memory operations". + +https://lore.kernel.org/qemu-devel/d5e8f88b-1d19-4e00-8dc2-b20e0cd34931@tls.msk.ru/T/#u is the original report on qemu-devel. |