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Tetsuo Handa 15f2a3de1a misc: vmw_vmci: explicitly initialize vmci_notify_bm_set_msg struct 
commit 376565b9717c30cd58ad33860fa42697615fa2e4 upstream.

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: 83e2ec765be03e8a ("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>
2021-05-14 09:49:59 +02:00
..
altera-stapl
…
c2port
misc: c2port: core: Ensure source size does not equal destination size in strncpy()
2020-06-29 18:45:52 +02:00
cardreader
misc: rtsx: init of rts522a add OCP power off when no card is present
2021-03-04 11:38:32 +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: Rework error message for incompatible slots
2020-08-25 01:31:32 +10:00
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
2021-03-11 14:17:27 +01:00
genwqe
pci-v5.9-changes
2020-08-07 18:48:15 -07:00
habanalabs
habanalabs: Call put_pid() when releasing control device
2021-03-30 14:31:50 +02:00
ibmasm
misc: ibmasm: dot_command: Demote function headers from kerneldoc
2020-07-01 15:08:03 +02:00
lis3lv02d
misc: lis3lv02d: Fix false-positive WARN on various HP models
2021-05-14 09:49:58 +02:00
lkdtm
lkdtm: don't move ctors to .rodata
2021-02-17 11:02:24 +01:00
mei
mei: me: add Alder Lake P device id.
2021-05-02 11:06:09 +02:00
ocxl
powerpc updates for 5.10
2020-10-16 12:21:15 -07:00
sgi-gru
x86/platform/uv: Update Copyrights to conform to HPE standards
2020-10-07 09:10:07 +02:00
sgi-xp
x86/platform/uv: Update Copyrights to conform to HPE standards
2020-10-07 09:10:07 +02:00
ti-st
misc: ti-st: st_kim: Tidy-up bespoke commentry
2020-06-29 18:45:52 +02:00
uacce
Char/Misc driver patches for 5.10-rc1
2020-10-15 10:01:51 -07:00
vmw_vmci
misc: vmw_vmci: explicitly initialize vmci_notify_bm_set_msg struct
2021-05-14 09:49:59 +02:00
ad525x_dpot-i2c.c
…
ad525x_dpot-spi.c
…
ad525x_dpot.c
docs: misc-devices/pci-endpoint-test.txt: convert to ReST
2020-06-19 14:05:49 -06:00
ad525x_dpot.h
…
apds990x.c
…
apds9802als.c
…
atmel_tclib.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
2021-03-17 17:06:31 +01:00
hisi_hikey_usb.c
misc: hisi_hikey_usb: delete a stray tab
2020-09-22 18:54:00 +02:00
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
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
ibmvmc.h
…
ics932s401.c
…
isl29003.c
…
isl29020.c
…
Kconfig
misc: mic: remove the MIC drivers
2020-10-28 19:12:03 +01:00
kgdbts.c
kgdbts: switch to kernel_clone()
2020-08-20 13:12:59 +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: mic: remove the MIC drivers
2020-10-28 19:12:03 +01:00
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
misc: pci_endpoint_test: fix return value of error branch
2020-12-30 11:53:45 +01:00
phantom.c
misc/phantom.c: use generic power management
2020-06-29 18:43:42 +02:00
pti.c
misc: pti: Remove unparsable empty line in function header
2020-07-01 15:05:36 +02:00
pvpanic.c
misc/pvpanic: Export module FDT device table
2021-03-17 17:06:31 +01:00
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
…
xilinx_sdfec.c
misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
2020-05-27 11:09:26 +02:00