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Russell King (Oracle) ec85bd369f ARM: findbit: fix overflowing offset 
When offset is larger than the size of the bit array, we should not
attempt to access the array as we can perform an access beyond the
end of the array. Fix this by changing the pre-condition.

Using "cmp r2, r1; bhs ..." covers us for the size == 0 case, since
this will always take the branch when r1 is zero, irrespective of
the value of r2. This means we can fix this bug without adding any
additional code!

Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-07-29 09:54:26 +01:00
..
ashldi3.S
ashrdi3.S
backtrace-clang.S ARM: implement IRQ stacks 2021-12-03 15:11:31 +01:00
backtrace.S ARM: implement IRQ stacks 2021-12-03 15:11:31 +01:00
bitops.h ARM: 8843/1: use unified assembler in headers 2019-02-26 11:26:06 +00:00
bswapsdi2.S
call_with_stack.S ARM: call_with_stack: add unwind support 2021-12-03 15:11:32 +01:00
changebit.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
clear_user.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
clearbit.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
copy_from_user.S ARM: memcpy: use frame pointer as unwind anchor 2021-12-03 15:11:32 +01:00
copy_page.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
copy_template.S ARM: memcpy: use frame pointer as unwind anchor 2021-12-03 15:11:32 +01:00
copy_to_user.S ARM: memcpy: use frame pointer as unwind anchor 2021-12-03 15:11:32 +01:00
csumipv6.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
csumpartial.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
csumpartialcopy.S arm: propagate the calling convention changes down to csum_partial_copy_from_user() 2020-08-20 15:45:16 -04:00
csumpartialcopygeneric.S arm: propagate the calling convention changes down to csum_partial_copy_from_user() 2020-08-20 15:45:16 -04:00
csumpartialcopyuser.S arm: propagate the calling convention changes down to csum_partial_copy_from_user() 2020-08-20 15:45:16 -04:00
delay-loop.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
delay.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
div64.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
findbit.S ARM: findbit: fix overflowing offset 2022-07-29 09:54:26 +01:00
getuser.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-readsb.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-readsl.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-readsw-armv3.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-readsw-armv4.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-writesb.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-writesl.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-writesw-armv3.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
io-writesw-armv4.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lib1funcs.S ARM: 8844/1: use unified assembler in assembly files 2019-02-26 11:26:07 +00:00
lshrdi3.S
Makefile ARM: 8900/1: UNWINDER_FRAME_POINTER implementation for Clang 2019-08-29 07:58:01 +01:00
memchr.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
memcpy.S ARM: memcpy: use frame pointer as unwind anchor 2021-12-03 15:11:32 +01:00
memmove.S ARM: memmove: use frame pointer as unwind anchor 2021-12-03 15:11:32 +01:00
memset.S ARM: memset: clean up unwind annotations 2021-12-03 15:11:32 +01:00
muldi3.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
putuser.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
setbit.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
strchr.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
strrchr.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
testchangebit.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
testclearbit.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
testsetbit.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
uaccess_with_memcpy.c uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
ucmpdi2.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
xor-neon.c crypto: arm/xor - make vectorized C code Clang-friendly 2022-02-11 20:39:39 +11:00