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authorChristian Krinitsin <mail@krinitsin.com>2025-07-06 16:43:19 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-06 16:43:19 +0000
commit238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (patch)
treecd8a1b75ba7b3543eb7fe6857f408e7be4d9fd0b /results/classifier/deepseek-r1:32b/output/instruction/449
parent96049c939b1916d80532630d63c14e04d5244f1d (diff)
downloademulator-bug-study-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.tar.gz
emulator-bug-study-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.zip
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Diffstat (limited to 'results/classifier/deepseek-r1:32b/output/instruction/449')
-rw-r--r--results/classifier/deepseek-r1:32b/output/instruction/44971
1 files changed, 71 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/output/instruction/449 b/results/classifier/deepseek-r1:32b/output/instruction/449
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+++ b/results/classifier/deepseek-r1:32b/output/instruction/449
@@ -0,0 +1,71 @@
+
+
+
+s390x linux-user assertion fires in vector asm on master
+Description of problem:
+Seeing a assert being fired when running this go program that executes vector instructions:
+
+[ecdsaexample.go](/uploads/f5162a12747f93f060cfcabaea786d92/ecdsaexample.go)
+
+```
+qemu-s390x-static: ../qemu/target/s390x/translate.c:1063: get_field1: Assertion `have_field1(s, o)' failed.
+SIGABRT: abort
+PC=0x5b660 m=0 sigcode=4294967290
+
+goroutine 1 [running]:
+runtime.sigpanic()
+        /home/jalbrecht/s390x/15/go/src/runtime/signal_unix.go:723 fp=0xc000198998 sp=0xc000198998 pc=0x5b660
+crypto/elliptic.p256SqrInternalVMSL()
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256_asm_s390x.s:1488 fp=0xc0001989a0 sp=0xc0001989a0 pc=0xda600
+p256SqrInternal()
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256_asm_s390x.s:1695 +0x18 fp=0xc0001989d8 sp=0xc0001989a0 pc=0xd95b8
+crypto/elliptic.p256SqrAsm(0xc000198bc0, 0x20, 0x20, 0xc000198ce0, 0x20, 0x20, 0x0, 0xc, 0x30, 0x4000802560, ...)
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256_asm_s390x.s:1849 +0x3c fp=0xc0001989e0 sp=0xc0001989d8 pc=0xdaa6c
+crypto/elliptic.p256Sqr(...)
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256_s390x.go:81
+crypto/elliptic.p256Inverse(0xc000198bc0, 0x20, 0x20, 0xc000198ce0, 0x20, 0x20)
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256_s390x.go:324 +0x66 fp=0xc000198b28 sp=0xc0001989e0 pc=0xd7da6
+crypto/elliptic.initTable()
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256_s390x.go:436 +0x192 fp=0xc000198d00 sp=0xc000198b28 pc=0xd87d2
+crypto/elliptic.initP256Arch(...)
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256_s390x.go:57
+crypto/elliptic.initP256()
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/p256.go:40 +0x2c0 fp=0xc000198d38 sp=0xc000198d00 pc=0xd2960
+crypto/elliptic.initAll()
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/elliptic.go:397 +0x24 fp=0xc000198d40 sp=0xc000198d38 pc=0xd1ab4
+sync.(*Once).doSlow(0x2168e8, 0x122be8)
+        /home/jalbrecht/s390x/15/go/src/sync/once.go:66 +0x12c fp=0xc000198d98 sp=0xc000198d40 pc=0x7ee5c
+sync.(*Once).Do(...)
+        /home/jalbrecht/s390x/15/go/src/sync/once.go:57
+crypto/elliptic.P256(...)
+        /home/jalbrecht/s390x/15/go/src/crypto/elliptic/elliptic.go:433
+main.main()
+        /home/jalbrecht/s390x/ecdsaexample.go:17 +0x7de fp=0xc000198f80 sp=0xc000198d98 pc=0xe4a2e
+runtime.main()
+        /home/jalbrecht/s390x/15/go/src/runtime/proc.go:204 +0x214 fp=0xc000198fd8 sp=0xc000198f80 pc=0x472e4
+runtime.goexit()
+        /home/jalbrecht/s390x/15/go/src/runtime/asm_s390x.s:779 +0x2 fp=0xc000198fd8 sp=0xc000198fd8 pc=0x77c52
+
+r0   0x0        r1   0xc000198bc0
+r2   0xc000198ce0       r3   0xc000198ce0
+r4   0x1401a0   r5   0xc000198be0
+r6   0xc000198bc0       r7   0x1c00f0
+r8   0xda600    r9   0xc0001989a8
+r10  0x217810   r11  0x0
+r12  0x4000800378       r13  0xc000000180
+r14  0xda600    r15  0xc000198998
+pc   0x5b660    link 0xda600
+exit status 2
+```
+Steps to reproduce:
+On an amd64 linux host:
+1. Download attached ecdsaexample.go file
+2. Download and untar an s390x go distro (1.15 and 1.16 both show this issue): https://golang.org/dl/go1.15.13.linux-s390x.tar.gz 
+3. Build a qemu-s390x-static from current master
+4. qemu-s390x-static -E PATH=/path/to/s390x/15/go/bin -L /usr/s390x-linux-gnu /path/to/s390x/15/go/bin/go run ecdsaexample.go
+Additional information:
+@davidhildenbrand could you have a look? I tracked it down to this series of patches: https://lore.kernel.org/qemu-devel/20210608092337.12221-1-david@redhat.com/. I tried reverting just this series from current master and then the program runs with no issues.
+
+This crash is seen whenever eg. certificates are checked when connecting via https so it is likely to happen in real programs.
+
+cc: @ruixinbao