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Merge pull request #164907 from chivay/libvirt-fix

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libvirt: Fix a segfault when undefining a domain
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Bernardo Meurer 2022-03-21 09:45:57 -07:00 committed by GitHub
commit d2562a557a
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2 changed files with 49 additions and 0 deletions
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48
pkgs/development/libraries/libvirt/0001-qemu-segmentation-fault-in-virtqemud-executing-qemuD.patch Normal file
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@ -0,0 +1,48 @@
From 823a62ec8aac4fb75e6e281164f3eb56ae47597c Mon Sep 17 00:00:00 2001
From: Boris Fiuczynski <fiuczy@linux.ibm.com>
Date: Tue, 1 Mar 2022 18:47:59 +0100
Subject: [PATCH] qemu: segmentation fault in virtqemud executing
qemuDomainUndefineFlags
Commit 5adfb3472342741c443ac91dee0abb18b5a3d038 causes a segmentation fault.
Stack trace of thread 664419:
#0 0x000003ff62ec553c in qemuDomainUndefineFlags (dom=0x3ff6c002810, flags=<optimized out>) at ../src/qemu/qemu_driver.c:6618
#1 0x000003ff876a7e5c in virDomainUndefineFlags (domain=domain@entry=0x3ff6c002810, flags=<optimized out>) at ../src/libvirt-domain.c:6519
#2 0x000002aa2b64a808 in remoteDispatchDomainUndefineFlags (server=0x2aa2c3d7880, msg=0x2aa2c3d2770, args=<optimized out>, rerr=0x3ff8287b950, client=<optimized out>)
at src/remote/remote_daemon_dispatch_stubs.h:13080
#3 remoteDispatchDomainUndefineFlagsHelper (server=0x2aa2c3d7880, client=<optimized out>, msg=0x2aa2c3d2770, rerr=0x3ff8287b950, args=<optimized out>, ret=0x0)
at src/remote/remote_daemon_dispatch_stubs.h:13059
#4 0x000003ff8758bbf4 in virNetServerProgramDispatchCall (msg=0x2aa2c3d2770, client=0x2aa2c3e3050, server=0x2aa2c3d7880, prog=0x2aa2c3d8010)
at ../src/rpc/virnetserverprogram.c:428
#5 virNetServerProgramDispatch (prog=0x2aa2c3d8010, server=server@entry=0x2aa2c3d7880, client=0x2aa2c3e3050, msg=0x2aa2c3d2770) at ../src/rpc/virnetserverprogram.c:302
#6 0x000003ff8758c260 in virNetServerProcessMsg (msg=<optimized out>, prog=<optimized out>, client=<optimized out>, srv=0x2aa2c3d7880) at ../src/rpc/virnetserver.c:140
#7 virNetServerHandleJob (jobOpaque=0x2aa2c3e2d30, opaque=0x2aa2c3d7880) at ../src/rpc/virnetserver.c:160
#8 0x000003ff874c49aa in virThreadPoolWorker (opaque=<optimized out>) at ../src/util/virthreadpool.c:164
#9 0x000003ff874c3f62 in virThreadHelper (data=<optimized out>) at ../src/util/virthread.c:256
#10 0x000003ff86c1cf8c in start_thread () from /lib64/libc.so.6
#11 0x000003ff86c9650e in thread_start () from /lib64/libc.so.6
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
---
src/qemu/qemu_driver.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index bcd9bdb436..8337eed510 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6615,7 +6615,7 @@ qemuDomainUndefineFlags(virDomainPtr dom,
}
}
- if (vm->def->os.loader->nvram) {
+ if (vm->def->os.loader && vm->def->os.loader->nvram) {
nvram_path = g_strdup(vm->def->os.loader->nvram);
} else if (vm->def->os.firmware == VIR_DOMAIN_OS_DEF_FIRMWARE_EFI) {
qemuDomainNVRAMPathFormat(cfg, vm->def, &nvram_path);
--
2.35.1

1
pkgs/development/libraries/libvirt/default.nix
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@ -130,6 +130,7 @@ stdenv.mkDerivation rec {
patches = [
./0001-meson-patch-in-an-install-prefix-for-building-on-nix.patch
./0001-qemu-segmentation-fault-in-virtqemud-executing-qemuD.patch
];
# remove some broken tests