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