qemu/hw/ppc
Nicholas Piggin a16570419b ppc/pnv: ADU fix possible buffer overrun with invalid size
The ADU LPC transfer-size field is 7 bits, but the supported sizes for
LPC access via ADU appear to be 1, 2, 4, 8. The data buffer could
overrun if firmware set an invalid size field, so add checks to reject
them with a message.

Cc: qemu-stable@nongnu.org
Reported-by: Cédric Le Goater <clg@redhat.com>
Resolves: Coverity CID 1558830
Fixes: 24bd283bcc ("ppc/pnv: Implement ADU access to LPC space")
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
(cherry picked from commit ddd2a060a0)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-11-05 18:57:35 +03:00
..
amigaone.c hw/isa/vt82c686: Turn "intr" irq into a named gpio 2024-07-16 20:04:08 +02:00
e500-ccsr.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
e500.c hw/ppc: use pci_init_nic_devices() 2024-02-02 16:23:47 +00:00
e500.h hw/ppc/e500: Add Freescale eSDHC to e500plat 2022-12-21 14:17:55 -03:00
e500plat.c hw/ppc: Use MachineClass->default_nic in the ppc machines 2023-05-22 09:44:22 +02:00
fdt.c target/ppc: Split page size information into a separate allocation 2018-04-27 18:05:22 +10:00
fw_cfg.c hw/ppc: Implement fw_cfg_arch_key_name() 2019-05-23 14:10:31 +02:00
Kconfig hw/ppc/Kconfig: Add missing SERIAL_ISA dependency to POWERNV machine 2024-08-20 00:49:14 +02:00
mac_newworld.c mac_newworld: change timebase frequency from 100MHz to 25MHz for mac99 machine 2024-03-09 19:17:01 +01:00
mac_oldworld.c hw/ppc: use pci_init_nic_devices() 2024-02-02 16:23:47 +00:00
meson.build ppc/pnv: Begin a more complete ADU LPC model for POWER9/10 2024-07-26 09:21:06 +10:00
mpc8544_guts.c target/ppc: Prefer fast cpu_env() over slower CPU QOM cast macro 2024-03-12 12:04:24 +01:00
mpc8544ds.c hw/ppc: Use MachineClass->default_nic in the ppc machines 2023-05-22 09:44:22 +02:00
pef.c ppc/pef: switch to use confidential_guest_kvm_init/reset() 2024-04-23 17:35:25 +02:00
pegasos2.c hw/isa/vt82c686: Turn "intr" irq into a named gpio 2024-07-16 20:04:08 +02:00
pnv.c hw/ppc: SPI controller wiring to P10 chip 2024-07-26 09:21:06 +10:00
pnv_adu.c ppc/pnv: ADU fix possible buffer overrun with invalid size 2024-11-05 18:57:35 +03:00
pnv_bmc.c hw/ppc/pnv_bmc: Use qdev_new() instead of QOM API 2024-02-22 12:47:40 +01:00
pnv_chiptod.c ppc/pnv: Move timebase state into PnvCore 2024-07-26 09:21:06 +10:00
pnv_core.c ppc/pnv: Add an LPAR per core machine option 2024-07-26 09:21:06 +10:00
pnv_homer.c include/hw/ppc: Split pnv_chip.h off pnv.h 2023-01-20 07:25:10 +01:00
pnv_i2c.c ppc/pnv: I2C controller is not user creatable 2024-03-19 11:56:45 +01:00
pnv_lpc.c ppc/pnv: Fix LPC POWER8 register sanity check 2024-11-05 18:40:58 +03:00
pnv_n1_chiplet.c hw/ppc: Add N1 chiplet model 2024-02-23 23:24:42 +10:00
pnv_nest_pervasive.c hw/ppc: Add pnv nest pervasive common chiplet model 2024-02-23 23:24:42 +10:00
pnv_occ.c bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
pnv_pnor.c block: Change blk_{pread,pwrite}() param order 2022-07-12 12:14:56 +02:00
pnv_psi.c hw/ppc: Avoid using Monitor in pnv_psi_pic_print_info() 2024-06-19 12:40:49 +02:00
pnv_sbe.c bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
pnv_xscom.c ppc/pnv: Begin a more complete ADU LPC model for POWER9/10 2024-07-26 09:21:06 +10:00
ppc.c spapr: nested: Introduce H_GUEST_RUN_VCPU hcall. 2024-03-13 02:47:04 +10:00
ppc4xx_devs.c ppc4xx_sdram: Move ppc4xx_sdram_banks() to ppc4xx_sdram.c 2022-10-28 13:15:23 -03:00
ppc4xx_sdram.c *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
ppc405.h ppc4xx_sdram: QOM'ify 2022-10-17 16:15:09 -03:00
ppc405_boards.c hw/ppc: Deprecate 'ref405ep' machine and 405 CPUs 2024-05-09 00:07:21 +02:00
ppc405_uc.c Drop duplicate #include 2023-02-08 07:28:05 +01:00
ppc440.h ppc440: Remove ppc460ex_pcie_init legacy init function 2023-07-07 04:47:49 -03:00
ppc440_bamboo.c exec/cpu: Extract page-protection definitions to page-protection.h 2024-05-06 11:17:15 +02:00
ppc440_uc.c hw/ppc/ppc4xx_pci: Extract PCI host definitions to hw/pci-host/ppc4xx.h 2024-02-22 12:47:40 +01:00
ppc_booke.c Use g_new() & friends where that makes obvious sense 2022-03-21 15:44:44 +01:00
ppce500_spin.c target/ppc: Prefer fast cpu_env() over slower CPU QOM cast macro 2024-03-12 12:04:24 +01:00
prep.c hw/ppc/prep: Realize ISA bridge before accessing it 2024-02-15 16:58:46 +01:00
prep_systemio.c hw/ppc: Constify VMState 2023-12-30 07:38:06 +11:00
rs6000_mc.c hw: Simplify memory_region_init_ram() calls 2024-01-05 16:20:15 +01:00
sam460ex.c exec/cpu: Extract page-protection definitions to page-protection.h 2024-05-06 11:17:15 +02:00
spapr.c spapr: Migrate ail-mode-3 spapr cap 2024-07-26 09:21:06 +10:00
spapr_caps.c spapr: Migrate ail-mode-3 spapr cap 2024-07-26 09:21:06 +10:00
spapr_cpu_core.c ppc: Add has_smt_siblings property to CPUPPCState 2024-07-26 09:21:06 +10:00
spapr_drc.c hw/ppc: Constify VMState 2023-12-30 07:38:06 +11:00
spapr_events.c qemu/main-loop: rename qemu_cond_wait_iothread() to qemu_cond_wait_bql() 2024-01-08 10:45:43 -05:00
spapr_hcall.c spapr: nested: register nested-hv api hcalls only for cap-nested-hv 2024-03-13 02:47:04 +10:00
spapr_iommu.c hw/ppc: Constify VMState 2023-12-30 07:38:06 +11:00
spapr_irq.c hw/ppc: Avoid using Monitor in spapr_irq_print_info() 2024-06-19 12:40:49 +02:00
spapr_nested.c spapr: nested: use bitwise NOT operator for flags check 2024-03-30 18:31:38 +10:00
spapr_numa.c spapr: Remove support for NVIDIA V100 GPU with NVLink2 2023-09-18 07:25:28 -03:00
spapr_nvdimm.c hw/ppc: Constify VMState 2023-12-30 07:38:06 +11:00
spapr_ovec.c hw/ppc: Constify VMState 2023-12-30 07:38:06 +11:00
spapr_pci.c Revert "hw/ppc/spapr_pci: Do not create DT for disabled PCI device" 2024-08-01 04:32:00 -04:00
spapr_pci_vfio.c hw/ppc/Kconfig: Imply VFIO_PCI 2023-12-19 19:03:38 +01:00
spapr_rng.c system/cpus: rename qemu_mutex_lock_iothread() to bql_lock() 2024-01-08 10:45:43 -05:00
spapr_rtas.c ppc: qtest already exports qtest_rtas_call() 2023-11-07 15:49:41 -03:00
spapr_rtas_ddw.c spapr/ddw: Implement 64bit query extension 2022-07-06 10:22:37 -03:00
spapr_rtc.c hw/ppc: Constify VMState 2023-12-30 07:38:06 +11:00
spapr_tpm_proxy.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
spapr_vhyp_mmu.c target/ppc: Unexport some functions from mmu-book3s-v3.h 2024-07-26 09:51:34 +10:00
spapr_vio.c hw/ppc: Constify VMState 2023-12-30 07:38:06 +11:00
spapr_vof.c spapr: Free stdout path 2024-07-26 09:21:06 +10:00
trace-events ppc/pnv: Begin a more complete ADU LPC model for POWER9/10 2024-07-26 09:21:06 +10:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
virtex_ml507.c exec/cpu: Extract page-protection definitions to page-protection.h 2024-05-06 11:17:15 +02:00
vof.c ppc/vof: Fix unaligned FDT property access 2024-07-26 09:21:06 +10:00