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mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-11 07:04:04 +08:00
linux-next/drivers/misc
Tetsuo Handa 376565b971 misc: vmw_vmci: explicitly initialize vmci_notify_bm_set_msg struct
KMSAN complains that the vmci_use_ppn64() == false path in
vmci_dbell_register_notification_bitmap() left upper 32bits of
bitmap_set_msg.bitmap_ppn64 member uninitialized.

  =====================================================
  BUG: KMSAN: uninit-value in kmsan_check_memory+0xd/0x10
  CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.11.0-rc7+ #4
  Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 02/27/2020
  Call Trace:
   dump_stack+0x21c/0x280
   kmsan_report+0xfb/0x1e0
   kmsan_internal_check_memory+0x484/0x520
   kmsan_check_memory+0xd/0x10
   iowrite8_rep+0x86/0x380
   vmci_send_datagram+0x150/0x280
   vmci_dbell_register_notification_bitmap+0x133/0x1e0
   vmci_guest_probe_device+0xcab/0x1e70
   pci_device_probe+0xab3/0xe70
   really_probe+0xd16/0x24d0
   driver_probe_device+0x29d/0x3a0
   device_driver_attach+0x25a/0x490
   __driver_attach+0x78c/0x840
   bus_for_each_dev+0x210/0x340
   driver_attach+0x89/0xb0
   bus_add_driver+0x677/0xc40
   driver_register+0x485/0x8e0
   __pci_register_driver+0x1ff/0x350
   vmci_guest_init+0x3e/0x41
   vmci_drv_init+0x1d6/0x43f
   do_one_initcall+0x39c/0x9a0
   do_initcall_level+0x1d7/0x259
   do_initcalls+0x127/0x1cb
   do_basic_setup+0x33/0x36
   kernel_init_freeable+0x29a/0x3ed
   kernel_init+0x1f/0x840
   ret_from_fork+0x1f/0x30

  Local variable ----bitmap_set_msg@vmci_dbell_register_notification_bitmap created at:
   vmci_dbell_register_notification_bitmap+0x50/0x1e0
   vmci_dbell_register_notification_bitmap+0x50/0x1e0

  Bytes 28-31 of 32 are uninitialized
  Memory access of size 32 starts at ffff88810098f570
  =====================================================

Fixes: 83e2ec765b ("VMCI: doorbell implementation.")
Cc: <stable@vger.kernel.org>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/20210402121742.3917-1-penguin-kernel@I-love.SAKURA.ne.jp
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-05 12:29:31 +02:00
..
altera-stapl altera-stapl: remove the unreached switch case 2020-12-09 19:53:03 +01:00
bcm-vk misc: bcm-vk: only support ttyVK if CONFIG_TTY is set 2021-02-04 00:48:58 +01:00
c2port misc: c2port: core: Make copying name from userspace more secure 2020-11-03 10:12:10 +01:00
cardreader misc: rtsx: init of rts522a add OCP power off when no card is present 2021-02-04 17:09:32 +01:00
cb710 misc: cb710: sgbuf2: Add missing documentation for cb710_sg_dwiter_write_next_block()'s 'data' arg 2020-06-29 18:45:53 +02:00
cxl cxl: don't manipulate the mm.mm_users field directly 2021-03-24 08:26:30 +01:00
echo char: Replace HTTP links with HTTPS ones 2020-07-23 09:44:15 +02:00
eeprom misc: eeprom_93xx46: Add quirk to support Microchip 93LC46B eeprom 2021-01-20 18:52:12 +01:00
genwqe misc: genwqe: Rudimentary typo fixes 2021-03-28 14:39:40 +02:00
habanalabs drivers: habanalabs: remove unused dentry pointer for debugfs files 2021-03-10 09:21:02 +01:00
ibmasm misc: ibmasm: dot_command: Demote function headers from kerneldoc 2020-07-01 15:08:03 +02:00
lis3lv02d misc: lis3lv02d: Do not log an error when kmalloc fails 2021-03-24 08:26:29 +01:00
lkdtm drivers/misc/lkdtm: disable LTO for rodata.o 2021-01-14 08:21:09 -08:00
mei mei: allow map and unmap of client dma buffer only for disconnected client 2021-03-23 15:15:15 +01:00
ocxl ocxl: use DEFINE_MUTEX() for mutex lock 2021-01-30 11:39:21 +11:00
pvpanic misc/pvpanic: Make some symbols static 2021-04-02 16:16:49 +02:00
sgi-gru x86/platform/uv: Update Copyrights to conform to HPE standards 2020-10-07 09:10:07 +02:00
sgi-xp misc: sgi-xp: xp_main: make some symbols static 2021-03-28 14:39:26 +02:00
ti-st misc: ti-st: st_core: remove unneeded semicolon 2020-11-03 10:09:06 +01:00
uacce uacce: delete unneeded variable initialization 2021-03-28 14:40:33 +02:00
vmw_vmci misc: vmw_vmci: explicitly initialize vmci_notify_bm_set_msg struct 2021-04-05 12:29:31 +02:00
ad525x_dpot-i2c.c
ad525x_dpot-spi.c
ad525x_dpot.c drivers: misc: ad525x_dpot: Add missing check in dpot_read_spi 2021-03-10 09:21:02 +01:00
ad525x_dpot.h
apds990x.c
apds9802als.c
atmel-ssc.c misc: atmel-ssc: lock with mutex instead of spinlock 2020-06-29 19:10:51 +02:00
bh1770glc.c
cs5535-mfgpt.c
ds1682.c
dummy-irq.c
enclosure.c misc: enclosure: Update enclosure_remove_device() documentation to match reality 2020-07-01 15:05:37 +02:00
fastrpc.c misc: fastrpc: restrict user apps from sending kernel RPC messages 2021-03-10 17:01:29 +01:00
hisi_hikey_usb.c misc: hisi_hikey_usb: use PTR_ERR_OR_ZERO 2020-10-29 08:37:29 +01:00
hmc6352.c
hpilo.c misc: hpilo: avoid a useless memset 2020-07-23 12:56:49 +02:00
hpilo.h hpilo: Replace one-element array with flexible-array member 2020-07-14 18:21:25 +02:00
ibmvmc.c vio: make remove callback return void 2021-03-02 22:41:23 +11:00
ibmvmc.h
ics932s401.c
isl29003.c misc: isl29003: Fix typo for get/set mode 2020-12-09 19:35:34 +01:00
isl29020.c
Kconfig misc/pvpanic: split-up generic and platform dependent code 2021-03-28 14:56:13 +02:00
kgdbts.c kgdbts: Switch to do_sys_openat2() for breakpoint testing 2021-03-28 14:40:08 +02:00
lattice-ecp3-config.c misc: lattice-ecp3-config: Remove set but clearly unused variable 'ret' 2020-07-01 15:05:37 +02:00
Makefile misc/pvpanic: split-up generic and platform dependent code 2021-03-28 14:56:13 +02:00
pch_phub.c misc: pch_phub: Remove superfluous descriptions to non-existent args 'offset_address' 2020-07-01 15:05:37 +02:00
pci_endpoint_test.c PCI: Add TI J721E device to PCI IDs 2021-02-23 14:12:41 -06:00
phantom.c misc/phantom.c: use generic power management 2020-06-29 18:43:42 +02:00
qcom-coincell.c
sram-exec.c char: Replace HTTP links with HTTPS ones 2020-07-23 09:44:15 +02:00
sram.c
sram.h
tifm_7xx1.c misc/tifm_7xx1.c: use generic power management 2020-06-29 18:43:42 +02:00
tifm_core.c
tsl2550.c
vmw_balloon.c drivers: vmw_balloon: remove dentry pointer for debugfs 2021-03-10 09:21:02 +01:00
xilinx_sdfec.c misc: xilinx-sdfec: remove check for ioctl cmd and argument. 2020-11-03 10:11:48 +01:00