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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/manual-review/922
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloademulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+QEMU 7.0.0-rc0: Random segfaults when running grep using qemu-arm-static
+Description of problem:
+I'm running ARM binaries using 32 bit qemu-arm-static on x86_64 host. Sometimes when running grep via qemu, I get a random segmentation fault. Sometimes it happens faster, sometimes it takes several thousand iterations, but sooner or later it happens and really annoying.
+
+This problem is also reproduced on 6.2, 5.2 and 5.1 releases, and NOT reproduced on 5.0
+
+I wrote small test to demonstrate this bug.
+Steps to reproduce:
+1. Download the test environment: [qemu-test-segfault.tar.bz2](/uploads/8f52617d46ba1e5bf29fc273cd07131d/qemu-test-segfault.tar.bz2)
+2. `$ make # To build the docker container`
+3. `$ make shell # To run ARM bash`
+4. Inside a container, run `while true; do /qemu /bin/grep -E f text > /dev/null; [ $? -ne 0 ] && break; done`. After a while you will get segfault:
+```
+[root@0d81b08f032b /]# /qemu --version
+qemu-arm version 6.2.90
+Copyright (c) 2003-2022 Fabrice Bellard and the QEMU Project developers
+[root@0d81b08f032b /]# while true; do /qemu /bin/grep -E f text > /dev/null; [ $? -ne 0 ] && break; done
+Segmentation fault (core dumped)
+[root@0d81b08f032b /]#
+```