haraldwolff/qemu-patch-raspberry4
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Seeteena Thoufeek c0dd109919 vl: exit if maxcpus is negative 
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

---Steps to Reproduce---

When passed a negative number to 'maxcpus' parameter, Qemu aborts
with a core dump.

Run the following command with maxcpus argument as negative number

ppc64-softmmu/qemu-system-ppc64 --nographic -vga none -machine
pseries,accel=kvm,kvm-type=HV -m size=200g -device virtio-blk-pci,
drive=rootdisk -drive file=/home/images/pegas-1.0-ppc64le.qcow2,
if=none,cache=none,id=rootdisk,format=qcow2 -monitor telnet
:127.0.0.1:1234,server,nowait -net nic,model=virtio -net
user -redir tcp:2000::22 -device nec-usb-xhci -smp 8,cores=1,
threads=1,maxcpus=-12

(process:12149): GLib-ERROR **: gmem.c:130: failed to allocate
 18446744073709550568 bytes

Trace/breakpoint trap

Reported-by: R.Nageswara Sastry <rnsastry@linux.vnet.ibm.com>
Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Message-Id: <1504511031-26834-1-git-send-email-s1seetee@linux.vnet.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-10-09 23:21:52 -03:00
..
block commit: Remove overlay_bs 2017-10-06 16:28:58 +02:00
chardev chardev: remove context in chr_update_read_handler 2017-09-22 21:07:27 +02:00
crypto block: convert qcrypto_block_encrypt|decrypt to take bytes offset 2017-10-06 16:30:47 +02:00
disas Fix Thumb-1 BE32 execution and disassembly. 2017-02-07 18:29:59 +00:00
exec memory: trace FlatView creation and destruction 2017-09-22 01:06:51 +02:00
fpu configure: Drop ancient Solaris 9 and earlier support 2017-07-21 15:04:05 +01:00
hw machine: Add a valid_cpu_types property 2017-10-09 23:21:52 -03:00
io io: Reply to ping frames 2017-10-04 13:21:53 +01:00
libdecnumber Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
migration migration: check pre_save return in vmstate_save_state 2017-09-27 11:36:31 +01:00
monitor block: rip out all traces of password prompting 2017-07-11 17:44:56 +02:00
net net/net.c: Add vnet_hdr support in SocketReadState 2017-07-17 20:02:11 +08:00
qapi qapi: Change data type of the FOO_lookup generated for enum FOO 2017-09-04 13:09:13 +02:00
qemu hbitmap: Rename serialization_granularity to serialization_align 2017-10-06 16:28:58 +02:00
qom qom: update doc comment for type_register[_static]() 2017-10-09 23:21:52 -03:00
scsi scsi: add multipath support to qemu-pr-helper 2017-09-22 21:07:27 +02:00
standard-headers linux-headers: sync against v4.14-rc1 2017-09-29 10:58:31 +02:00
sysemu vl: exit if maxcpus is negative 2017-10-09 23:21:52 -03:00
ui egl: misc framebuffer helper improvements. 2017-09-29 10:36:33 +02:00
elf.h tcg/s390: Use constant pool for movi 2017-09-07 11:57:35 -07:00
glib-compat.h migration: Teach it about G_SOURCE_REMOVE 2017-09-22 14:11:18 +02:00
qemu-common.h maint: Include bug-reporting info in --help output 2017-08-08 17:28:53 +02:00
qemu-io.h hmp: Request permissions in qemu-io 2017-02-28 20:47:50 +01:00
trace-tcg.h trace: get rid of generated-events.h/generated-events.c 2016-10-12 09:54:52 +02:00