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authorChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
commit4b927bc37359dec23f67d3427fc982945f24f404 (patch)
tree245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_arm/host_missing/accel_missing/922.toml
parentaa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff)
downloademulator-bug-study-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz
emulator-bug-study-4b927bc37359dec23f67d3427fc982945f24f404.zip
add gitlab issues in toml format
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+id = 922
+title = "QEMU 7.0.0-rc0: Random segfaults when running grep using qemu-arm-static"
+state = "opened"
+created_at = "2022-03-20T21:01:38.001Z"
+closed_at = "n/a"
+labels = ["linux-user", "target: arm"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/922"
+host-os = "Arch Linux"
+host-arch = "i386 (32 bit)"
+qemu-version = "qemu-arm version 6.2.90 (7.0.0 rc 0 from the qemu.org)"
+guest-os = "Linux"
+guest-arch = "ARM"
+description = """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."""
+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 /]#
+```"""
+additional = "n/a"