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Kevin Wolf 75997e182b scsi-disk: Don't silently truncate serial number 
Before this commit, scsi-disk accepts a string of arbitrary length for
its "serial" property. However, the value visible on the guest is
actually truncated to 36 characters. This limitation doesn't come from
the SCSI specification, it is an arbitrary limit that was initially
picked as 20 and later bumped to 36 by commit 48b62063.

Similarly, device_id was introduced as a copy of the serial number,
limited to 20 characters, but commit 48b62063 forgot to actually bump
it.

As long as we silently truncate the given string, extending the limit is
actually not a harmless change, but break the guest ABI. This is the
most important reason why commit 48b62063 was really wrong (and it's
also why we can't change device_id to be in sync with the serial number
again and use 36 characters now, it would be another guest ABI
breakage).

In order to avoid future breakage, don't silently truncate the serial
number string any more, but just error out if it would be truncated.

Buglink: https://issues.redhat.com/browse/RHEL-3542
Suggested-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20240604161755.63448-1-kwolf@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-06-08 10:33:38 +02:00
..
9pfs hw/xen: Make XenDevOps structures const 2024-06-04 11:53:43 +02:00
acpi hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event 2024-06-04 11:53:43 +02:00
adc hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
alpha alpha: switch boards to "default y" 2024-05-03 15:47:47 +02:00
arm arm/sbsa-ref: move to Neoverse-N2 as default 2024-05-30 13:21:06 +01:00
audio misc: Use QEMU header path relative to include/ directory 2024-05-09 00:07:21 +02:00
avr avr: switch boards to "default y" 2024-05-03 15:47:47 +02:00
block virtio-blk: remove SCSI passthrough functionality 2024-06-05 11:01:05 +02:00
char hw: arm: Remove use of tabs in some source files 2024-05-28 14:20:48 +01:00
core machine, hostmem: improve error messages for unsupported features 2024-06-08 10:33:38 +02:00
cpu hw: Add a Kconfig switch for the TYPE_CPU_CLUSTER device 2024-04-25 12:48:12 +02:00
cris cris: switch boards to "default y" 2024-05-03 15:47:47 +02:00
cxl hw/cxl/cxl-cdat: Make cxl_doe_cdat_init() return boolean 2024-04-25 12:48:12 +02:00
display hw/xen: Register framebuffer backend via xen_backend_init() 2024-06-04 11:53:43 +02:00
dma hw/dma/xlnx_dpdma: Read descriptor into buffer, not into pointer-to-buffer 2024-06-04 11:53:43 +02:00
fsi
gpio hw: arm: Remove use of tabs in some source files 2024-05-28 14:20:48 +01:00
hppa hw/hppa/machine: Replace g_memdup() by g_memdup2() 2024-05-08 19:42:45 +02:00
hyperv kvm: move target-dependent interrupt routing out of kvm-all.c 2024-05-03 15:47:48 +02:00
i2c hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
i386 hw/i386: Add support for loading BIOS using guest_memfd 2024-06-05 11:01:06 +02:00
ide hw/ide/core.c (cmd_read_native_max): Avoid limited device parameters 2024-04-30 06:21:47 +02:00
input hw: arm: Remove use of tabs in some source files 2024-05-28 14:20:48 +01:00
intc hw/intc/riscv_aplic: APLICs should add child earlier than realize 2024-06-03 11:12:11 +10:00
ipack
ipmi
isa hw/isa/vt82c686: Keep track of PIRQ/PINT pins separately 2024-04-15 13:07:11 +02:00
loongarch hw/loongarch/virt: Fix FDT memory node address width 2024-05-23 09:30:41 +08:00
m68k m68k: switch boards to "default y" 2024-05-03 15:47:47 +02:00
mem hw/cxl/cxl-cdat: Make cxl_doe_cdat_init() return boolean 2024-04-25 12:48:12 +02:00
microblaze microblaze: switch boards to "default y" 2024-05-03 15:47:47 +02:00
mips kconfig: express dependency of individual boards on libfdt 2024-05-10 15:45:15 +02:00
misc * virtio-blk: remove SCSI passthrough functionality 2024-06-05 07:45:23 -07:00
net virtio-net: drop too short packets early 2024-06-04 15:14:26 +08:00
nubus hw/nubus: add nubus-virtio-mmio device 2024-02-27 09:36:39 +01:00
nvme hw/nvme: fix -Werror=maybe-uninitialized 2024-04-02 16:15:07 +02:00
nvram hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
openrisc kconfig: express dependency of individual boards on libfdt 2024-05-10 15:45:15 +02:00
pci hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
pci-bridge Misc HW patch queue 2024-04-25 09:43:29 -07:00
pci-host hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
pcmcia
ppc hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event 2024-06-04 11:53:43 +02:00
remote hw/remote/vfio-user: Fix config space access byte order 2024-05-08 19:43:15 +02:00
riscv hw/riscv/boot.c: Support 64-bit address for initrd 2024-06-03 11:12:11 +10:00
rtc hw/i386: move rtc-reset-reinjection command out of hw/rtc 2024-05-10 15:45:15 +02:00
rx kconfig: express dependency of individual boards on libfdt 2024-05-10 15:45:15 +02:00
s390x s390: move css_migration_enabled from machine to css.c 2024-05-10 15:45:15 +02:00
scsi scsi-disk: Don't silently truncate serial number 2024-06-08 10:33:38 +02:00
sd hw/sd/sdhci: Do not update TRNMOD when Command Inhibit (DAT) is set 2024-04-10 09:09:34 +02:00
sensor hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
sh4 sh4: select correct components for no-board build 2024-05-10 15:45:14 +02:00
smbios hw/smbios: add stub for smbios_get_table_legacy() 2024-03-26 14:32:54 +01:00
sparc sparc: switch boards to "default y" 2024-05-03 15:47:48 +02:00
sparc64 qemu-sparc queue 2024-05-06 10:19:56 -07:00
ssi Misc HW patch queue 2024-04-25 09:43:29 -07:00
timer hw, target: Add ResetType argument to hold and exit phase methods 2024-04-25 10:21:06 +01:00
tpm hw/tpm: Remove HOST_PAGE_ALIGN from tpm_ppi_init 2024-02-29 11:35:36 -10:00
tricore tricore: switch boards to "default y" 2024-05-03 15:47:48 +02:00
ufs hw/ufs: Add support MCQ of UFSHCI 4.0 2024-06-03 16:20:42 +09:00
usb usb: add config options for the hub and hid devices 2024-06-04 11:53:43 +02:00
vfio vfio/igd: Use g_autofree in vfio_probe_igd_bar4_quirk() 2024-05-22 10:04:22 +02:00
virtio util/hexdump: Remove ascii parameter from qemu_hexdump_line 2024-06-04 10:02:39 +02:00
watchdog hw/watchdog/sbsa_gwdt: Make watchdog timer frequency a QOM property 2024-04-30 15:14:15 +01:00
xen hw/xen: Constify xenstore_be::XenDevOps 2024-06-04 11:53:43 +02:00
xenpv hw/xen: Register framebuffer backend via xen_backend_init() 2024-06-04 11:53:43 +02:00
xtensa hw/xtensa: require libfdt 2024-05-10 15:45:15 +02:00
Kconfig hw: Fix problem with the A*MPCORE switches in the Kconfig files 2024-04-25 12:48:12 +02:00
meson.build hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper 2024-04-24 16:03:38 +02:00