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Mikulas Patocka 5c02406428 dm integrity: conditionally disable "recalculate" feature 
Otherwise a malicious user could (ab)use the "recalculate" feature
that makes dm-integrity calculate the checksums in the background
while the device is already usable. When the system restarts before all
checksums have been calculated, the calculation continues where it was
interrupted even if the recalculate feature is not requested the next
time the dm device is set up.

Disable recalculating if we use internal_hash or journal_hash with a
key (e.g. HMAC) and we don't have the "legacy_recalculate" flag.

This may break activation of a volume, created by an older kernel,
that is not yet fully recalculated -- if this happens, the user should
add the "legacy_recalculate" flag to constructor parameters.

Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Daniel Glockner <dg@emlix.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 		2021-01-21 15:05:21 -05:00
..
ABI More power management updates for 5.11-rc1 2020-12-22 14:12:10 -08:00
PCI
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RCU docs: Fix reST markup when linking to sections 2020-12-31 15:44:47 -07:00
accounting
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admin-guide dm integrity: conditionally disable "recalculate" feature 2021-01-21 15:05:21 -05:00
arm ARM updates for 5.11: 2020-12-22 13:34:27 -08:00
arm64 ARM: 2020-12-20 10:44:05 -08:00
block
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bpf
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cdrom
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core-api atomic: remove further references to atomic_ops 2020-12-31 15:51:33 -07:00
cpu-freq
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crypto
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dev-tools Merge branch 'akpm' (patches from Andrew) 2020-12-22 13:38:17 -08:00
devicetree Networking fixes for 5.11-rc4, including fixes from can and netfilter. 2021-01-14 13:31:07 -08:00
doc-guide Documentation: doc-guide: fixes to sphinx.rst 2020-12-31 15:49:51 -07:00
driver-api RTC for 5.11 2020-12-20 10:12:06 -08:00
fault-injection
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fb
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features ARM updates for 5.11: 2020-12-22 13:34:27 -08:00
filesystems Various bug fixes and cleanups for ext4; no new features this cycle. 2020-12-24 14:16:02 -08:00
firmware-guide Documentation: ACPI: EINJ: Fix error type values for PCIe errors 2021-01-14 13:11:25 +01:00
firmware_class
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fpga
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gpu drm/docs: Fix todo.rst 2020-11-18 11:51:58 +01:00
hid Merge branch 'for-5.11/core' into for-linus 2020-12-16 11:38:38 +01:00
hwmon hwmon: (sbtsi_temp) Fix Documenation kernel-doc warning 2020-12-30 08:05:20 -08:00
i2c
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ia64 docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
ide
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iio
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infiniband
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input Input: document inhibiting 2020-12-02 22:10:37 -08:00
isdn
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kbuild Documentation: kbuild: Fix section reference 2021-01-11 05:14:38 +09:00
kernel-hacking docs: Fix reST markup when linking to sections 2020-12-31 15:44:47 -07:00
leds Changes for 5.11-rc1. Small cleanups/fixes mostly thanks to Marek, 2020-12-16 14:56:29 -08:00
litmus-tests
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livepatch
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locking Documentation: seqlock: s/LOCKTYPE/LOCKNAME/g 2020-12-09 17:08:49 +01:00
m68k docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
maintainer
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mhi
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mips docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
misc-devices
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netlabel
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networking net: Allow NETIF_F_HW_TLS_TX if IP_CSUM && IPV6_CSUM 2021-01-14 10:56:13 -08:00
nios2 docs: nios2: add missing ReST file 2020-12-07 08:35:21 -07:00
nvdimm
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openrisc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
parisc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
pcmcia
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power PM: EM: Update Energy Model with new flag indicating power scale 2020-11-10 20:29:28 +01:00
powerpc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
process docs: remove mention of ENABLE_MUST_CHECK 2021-01-07 14:41:38 -07:00
riscv docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
s390 docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
scheduler Power management updates for 5.11-rc1 2020-12-15 16:30:31 -08:00
scsi
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security
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sh docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
sound sound fixes for 5.11-rc4 2021-01-13 11:55:14 -08:00
sparc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
sphinx Kbuild updates for v5.11 2020-12-22 14:02:39 -08:00
sphinx-static
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spi
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staging
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target tweewide: Fix most Shebang lines 2020-12-08 23:30:04 +09:00
timers
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trace Kbuild updates for v5.11 2020-12-22 14:02:39 -08:00
translations Networking updates for 5.11 2020-12-15 13:22:29 -08:00
usb
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userspace-api "Intel SGX is new hardware functionality that can be used by 2020-12-14 13:14:57 -08:00
virt KVM/arm64 fixes for 5.11, take #1 2021-01-08 05:02:40 -05:00
vm mm/lru: revise the comments of lru_lock 2020-12-15 14:48:04 -08:00
w1 w1: w1_therm: Rename conflicting sysfs attribute 'eeprom' to 'eeprom_cmd' 2020-11-12 08:50:13 +01:00
watchdog
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x86 A much quieter cycle for documentation (happily), with, one hopes, the bulk 2020-12-14 16:55:54 -08:00
xtensa A much quieter cycle for documentation (happily), with, one hopes, the bulk 2020-12-14 16:55:54 -08:00
.gitignore
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COPYING-logo
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Changes
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CodingStyle
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Kconfig
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Makefile
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SubmittingPatches
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asm-annotations.rst
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atomic_bitops.txt
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atomic_t.txt
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conf.py docs: Note that sphinx 1.7 will be required soon 2020-12-11 13:53:38 -07:00
docutils.conf
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dontdiff
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index.rst docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
logo.gif
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memory-barriers.txt
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watch_queue.rst
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