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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/kernel/2078
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloademulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+Qemu crashes with SIGFPE on certain trapping arithmetic operations on m68k target
+Description of problem:
+I recently ported NetBSD to the Qemu m68k "virt" platform, and this was discovered when running NetBSD's automated tests.  Certain arithmetic operation that will trap in the guest will crash Qemu.  First case encountered is below.
+Steps to reproduce:
+1. Compile and run the following program in the m68k guest:
+
+```
+virt68k:thorpej 3$ cat crash-qemu.c                                            
+#include <limits.h>
+#include <stdlib.h>
+
+int divisor = -1;
+
+int
+main(int argc, char *argv[])
+{
+
+	if (argc > 1)
+		divisor = atoi(argv[1]);
+
+	return INT_MIN / divisor;
+}
+virt68k:thorpej 4$ 
+```
+
+Another minimal case would be:
+
+```
+move.l #-2147483648,%d0
+move.l #-1,%d1
+divsl.l %d1,%d1:%d0
+```
+Additional information:
+