linux/arch/powerpc/platforms/pseries
Nam Cao ef3e73a917 powerpc/pseries/msi: Fix NULL pointer dereference at irq domain teardown
pseries_msi_ops_teardown() reads pci_dev* from msi_alloc_info_t. However,
pseries_msi_ops_prepare() does not populate this structure, thus it is all
zeros. Consequently, pseries_msi_ops_teardown() triggers a NULL pointer
dereference crash.

struct pci_dev is available in struct irq_domain. Read it there instead.

Reported-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Closes: https://lore.kernel.org/linuxppc-dev/878d7651-433a-46fe-a28b-1b7e893fcbe0@linux.ibm.com/
Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20251010120307.3281720-1-namcao@linutronix.de
2025-10-13 09:39:02 +05:30
..
Kconfig powerpc/pseries/msi: Switch to msi_create_parent_irq_domain() 2025-09-06 17:33:19 +05:30
Makefile powerpc/pseries: Add papr-hvpipe char driver for HVPIPE interfaces 2025-09-15 13:38:40 +05:30
cc_platform.c powerpc/pseries/svm: Add a powerpc version of cc_platform_has() 2021-10-04 11:46:33 +02:00
cmm.c treewide: remove MIGRATEPAGE_SUCCESS 2025-09-13 16:54:50 -07:00
dlpar.c powerpc/pseries/dlpar: Search DRC index from ibm,drc-indexes for IO add 2025-06-23 10:00:34 +05:30
dtl.c powerpc/pseries: Fix dtl_access_lock to be a rw_semaphore 2024-10-29 23:01:36 +11:00
eeh_pseries.c powerpc/pseries/eeh: Fix get PE state translation 2025-01-21 10:43:08 +05:30
event_sources.c powerpc/pseries: Add __init attribute to eligible functions 2021-12-23 22:33:15 +11:00
firmware.c powerpc/pseries: Add FW_FEATURE_PLPKS feature flag 2023-04-20 13:21:46 +10:00
hotplug-cpu.c powerpc: Split systemcfg struct definitions out from vdso 2024-11-02 12:37:36 +01:00
hotplug-memory.c powerpc/pseries: Use correct data types from pseries_hp_errorlog struct 2024-08-30 21:31:25 +10:00
htmdump.c powerpc/pseries/htmdump: Include header file to get is_kvm_guest() definition 2025-05-12 10:22:11 +05:30
hvCall.S powerpc/pseries: Remove unused r0 in the hcall tracing code 2023-09-30 22:52:18 +10:00
hvCall_inst.c powerpc/pseries: Make symbol '__pcpu_scope_hcall_stats' static 2021-04-14 23:04:17 +10:00
hvconsole.c tty: hvc: convert to u8 and size_t 2023-12-08 12:02:37 +01:00
hvcserver.c powerpc: move from strlcpy with unused retval to strscpy 2022-08-26 11:02:20 +10:00
ibmebus.c driver core: have match() callback in struct bus_type take a const * 2024-07-03 15:16:54 +02:00
io_event_irq.c powerpc/rtas: arch-wide function token lookup conversions 2023-02-13 22:35:03 +11:00
iommu.c powerpc/pseries/iommu: Fix kmemleak in TCE table userspace view 2025-05-15 09:53:46 +05:30
kexec.c powerpc/pseries: Fix scv instruction crash with kexec 2024-06-28 22:05:44 +10:00
lpar.c powerpc/pseries: Fix dtl_access_lock to be a rw_semaphore 2024-10-29 23:01:36 +11:00
lparcfg.c powerpc/pseries/lparcfg: Use num_possible_cpus() for potential processors 2024-11-02 12:37:35 +01:00
mobility.c powerpc/pseries: HVPIPE changes to support migration 2025-09-15 13:38:40 +05:30
msi.c powerpc/pseries/msi: Fix NULL pointer dereference at irq domain teardown 2025-10-13 09:39:02 +05:30
nvram.c powerpc/rtas: arch-wide function token lookup conversions 2023-02-13 22:35:03 +11:00
of_helpers.c powerpc/pseries: Fix of_read_drc_info_cell() to point at next record 2020-03-25 12:06:43 +11:00
of_helpers.h
papr-hvpipe.c powerpc/pseries: HVPIPE changes to support migration 2025-09-15 13:38:40 +05:30
papr-hvpipe.h powerpc/pseries: HVPIPE changes to support migration 2025-09-15 13:38:40 +05:30
papr-indices.c powerpc/pseries: Add ibm,get-dynamic-sensor-state RTAS call support 2025-04-17 11:42:29 +05:30
papr-phy-attest.c powerpc/pseries: Add a char driver for physical-attestation RTAS 2025-04-17 11:42:30 +05:30
papr-platform-dump.c powerpc/pseries: Add papr-platform-dump character driver for dump retrieval 2025-04-17 11:42:29 +05:30
papr-rtas-common.c powerpc/pseries: Define common functions for RTAS sequence calls 2025-04-17 11:42:29 +05:30
papr-rtas-common.h powerpc/pseries: Define common functions for RTAS sequence calls 2025-04-17 11:42:29 +05:30
papr-sysparm.c powerpc/pseries/papr-sysparm: Expose character device to user space 2023-12-13 21:38:21 +11:00
papr-vpd.c powerpc/pseries: Define common functions for RTAS sequence calls 2025-04-17 11:42:29 +05:30
papr_platform_attributes.c powerpc/pseries: Fix potential memleak in papr_get_attr() 2024-03-03 22:20:28 +11:00
papr_scm.c powerpc/papr_scm: convert timeouts to secs_to_jiffies() 2025-01-12 20:21:02 -08:00
pci.c powerpc/pseries/pci: Code cleanup 2024-05-07 23:47:12 +10:00
pci_dlpar.c drivers/base/node: rename __register_one_node() to register_one_node() 2025-07-09 22:42:00 -07:00
plpks-secvar.c powerpc/secvar: Expose secvars relevant to the key management mode 2025-07-09 09:16:17 +05:30
plpks.c of/fdt: add dt_phys arg to early_init_dt_scan and early_init_dt_verify 2024-10-29 15:32:45 -05:00
plpks_sed_ops.c powerpc/pseries: PLPKS SED Opal keystore support 2023-10-17 09:10:06 -06:00
pmem.c powerpc/pseries: Use correct data types from pseries_hp_errorlog struct 2024-08-30 21:31:25 +10:00
power.c powerpc: declare unmodified attribute_group usages const 2022-03-08 22:15:32 +11:00
pseries.h powerpc/pseries: Fix scv instruction crash with kexec 2024-06-28 22:05:44 +10:00
pseries_energy.c powerpc/pseries: move to use bus_get_dev_root() 2023-03-17 15:29:38 +01:00
ras.c powerpc/rtas: arch-wide function token lookup conversions 2023-02-13 22:35:03 +11:00
reconfig.c powerpc/pseries: block untrusted device tree changes when locked down 2022-09-28 19:22:14 +10:00
rng.c powerpc/pseries: wire up rng during setup_arch() 2022-06-18 10:19:10 +10:00
rtas-fadump.c powerpc/fadump: setup additional parameters for dump capture kernel 2024-05-10 16:36:10 +10:00
rtas-fadump.h powerpc/fadump: setup additional parameters for dump capture kernel 2024-05-10 16:36:10 +10:00
rtas-work-area.c powerpc/pseries/rtas-work-area: Fix rtas_work_area_reserve_arena() kernel-doc 2023-11-07 13:13:44 +11:00
setup.c powerpc/pseries: Fix scv instruction crash with kexec 2024-06-28 22:05:44 +10:00
smp.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
suspend.c powerpc/rtas: Move post_mobility_fixup() declaration to pseries 2023-11-21 12:06:50 +11:00
svm.c powerpc/machdep: Remove duplicated include in svm.c 2024-11-27 10:38:17 +05:30
vas-sysfs.c powerpc: pseries: Constify struct kobj_type 2024-09-05 22:25:36 +10:00
vas.c powerpc/pseries/vas: Use usleep_range() to support HCALL delay 2024-06-04 17:13:56 +10:00
vas.h powerpc/pseries/vas: Migration suspend waits for no in-progress open windows 2023-12-13 22:01:47 +11:00
vio.c driver core: have match() callback in struct bus_type take a const * 2024-07-03 15:16:54 +02:00
vphn.c powerpc/pseries: Move VPHN constants into vphn.h 2023-08-24 22:33:16 +10:00