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SubjectRe: [PATCH 04/11] Define the virtual space of KASan's shadow region
Hi Abbott,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.14-rc4]
[cannot apply to next-20171013]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Abbott-Liu/KASan-for-arm/20171014-104108
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All errors (new ones prefixed by >>):

arch/arm/kernel/entry-common.S: Assembler messages:
>> arch/arm/kernel/entry-common.S:83: Error: invalid constant (ffffffffb6e00000) after fixup
arch/arm/kernel/entry-common.S:118: Error: invalid constant (ffffffffb6e00000) after fixup
--
arch/arm/kernel/entry-armv.S: Assembler messages:
>> arch/arm/kernel/entry-armv.S:213: Error: selected processor does not support `movw r1,#:lower16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
>> arch/arm/kernel/entry-armv.S:213: Error: selected processor does not support `movt r1,#:upper16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:223: Error: selected processor does not support `movw r1,#:lower16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:223: Error: selected processor does not support `movt r1,#:upper16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:270: Error: selected processor does not support `movw r1,#:lower16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:270: Error: selected processor does not support `movt r1,#:upper16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:311: Error: selected processor does not support `movw r1,#:lower16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:311: Error: selected processor does not support `movt r1,#:upper16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:320: Error: selected processor does not support `movw r1,#:lower16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:320: Error: selected processor does not support `movt r1,#:upper16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:348: Error: selected processor does not support `movw r1,#:lower16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode
arch/arm/kernel/entry-armv.S:348: Error: selected processor does not support `movt r1,#:upper16:((((0xC0000000-0x01000000)>>3)+((0xC0000000-0x01000000)-(1<<29))))' in ARM mode

vim +213 arch/arm/kernel/entry-armv.S

2dede2d8e Nicolas Pitre 2006-01-14 151
2190fed67 Russell King 2015-08-20 152 .macro svc_entry, stack_hole=0, trace=1, uaccess=1
c4c5716e1 Catalin Marinas 2009-02-16 153 UNWIND(.fnstart )
c4c5716e1 Catalin Marinas 2009-02-16 154 UNWIND(.save {r0 - pc} )
e6a9dc612 Russell King 2016-05-13 155 sub sp, sp, #(SVC_REGS_SIZE + \stack_hole - 4)
b86040a59 Catalin Marinas 2009-07-24 156 #ifdef CONFIG_THUMB2_KERNEL
b86040a59 Catalin Marinas 2009-07-24 157 SPFIX( str r0, [sp] ) @ temporarily saved
b86040a59 Catalin Marinas 2009-07-24 158 SPFIX( mov r0, sp )
b86040a59 Catalin Marinas 2009-07-24 159 SPFIX( tst r0, #4 ) @ test original stack alignment
b86040a59 Catalin Marinas 2009-07-24 160 SPFIX( ldr r0, [sp] ) @ restored
b86040a59 Catalin Marinas 2009-07-24 161 #else
2dede2d8e Nicolas Pitre 2006-01-14 162 SPFIX( tst sp, #4 )
b86040a59 Catalin Marinas 2009-07-24 163 #endif
b86040a59 Catalin Marinas 2009-07-24 164 SPFIX( subeq sp, sp, #4 )
b86040a59 Catalin Marinas 2009-07-24 165 stmia sp, {r1 - r12}
ccea7a19e Russell King 2005-05-31 166
b059bdc39 Russell King 2011-06-25 167 ldmia r0, {r3 - r5}
b059bdc39 Russell King 2011-06-25 168 add r7, sp, #S_SP - 4 @ here for interlock avoidance
b059bdc39 Russell King 2011-06-25 169 mov r6, #-1 @ "" "" "" ""
e6a9dc612 Russell King 2016-05-13 170 add r2, sp, #(SVC_REGS_SIZE + \stack_hole - 4)
b059bdc39 Russell King 2011-06-25 171 SPFIX( addeq r2, r2, #4 )
b059bdc39 Russell King 2011-06-25 172 str r3, [sp, #-4]! @ save the "real" r0 copied
ccea7a19e Russell King 2005-05-31 173 @ from the exception stack
ccea7a19e Russell King 2005-05-31 174
b059bdc39 Russell King 2011-06-25 175 mov r3, lr
^1da177e4 Linus Torvalds 2005-04-16 176
^1da177e4 Linus Torvalds 2005-04-16 177 @
^1da177e4 Linus Torvalds 2005-04-16 178 @ We are now ready to fill in the remaining blanks on the stack:
^1da177e4 Linus Torvalds 2005-04-16 179 @
b059bdc39 Russell King 2011-06-25 180 @ r2 - sp_svc
b059bdc39 Russell King 2011-06-25 181 @ r3 - lr_svc
b059bdc39 Russell King 2011-06-25 182 @ r4 - lr_<exception>, already fixed up for correct return/restart
b059bdc39 Russell King 2011-06-25 183 @ r5 - spsr_<exception>
b059bdc39 Russell King 2011-06-25 184 @ r6 - orig_r0 (see pt_regs definition in ptrace.h)
^1da177e4 Linus Torvalds 2005-04-16 185 @
b059bdc39 Russell King 2011-06-25 186 stmia r7, {r2 - r6}
^1da177e4 Linus Torvalds 2005-04-16 187
e6978e4bf Russell King 2016-05-13 188 get_thread_info tsk
e6978e4bf Russell King 2016-05-13 189 ldr r0, [tsk, #TI_ADDR_LIMIT]
74e552f98 Abbott Liu 2017-10-11 190 #ifdef CONFIG_KASAN
74e552f98 Abbott Liu 2017-10-11 191 movw r1, #:lower16:TASK_SIZE
74e552f98 Abbott Liu 2017-10-11 192 movt r1, #:upper16:TASK_SIZE
74e552f98 Abbott Liu 2017-10-11 193 #else
e6978e4bf Russell King 2016-05-13 194 mov r1, #TASK_SIZE
74e552f98 Abbott Liu 2017-10-11 195 #endif
e6978e4bf Russell King 2016-05-13 196 str r1, [tsk, #TI_ADDR_LIMIT]
e6978e4bf Russell King 2016-05-13 197 str r0, [sp, #SVC_ADDR_LIMIT]
e6978e4bf Russell King 2016-05-13 198
2190fed67 Russell King 2015-08-20 199 uaccess_save r0
2190fed67 Russell King 2015-08-20 200 .if \uaccess
2190fed67 Russell King 2015-08-20 201 uaccess_disable r0
2190fed67 Russell King 2015-08-20 202 .endif
2190fed67 Russell King 2015-08-20 203
c0e7f7ee7 Daniel Thompson 2014-09-17 204 .if \trace
02fe2845d Russell King 2011-06-25 205 #ifdef CONFIG_TRACE_IRQFLAGS
02fe2845d Russell King 2011-06-25 206 bl trace_hardirqs_off
02fe2845d Russell King 2011-06-25 207 #endif
c0e7f7ee7 Daniel Thompson 2014-09-17 208 .endif
f2741b78b Russell King 2011-06-25 209 .endm
^1da177e4 Linus Torvalds 2005-04-16 210
f2741b78b Russell King 2011-06-25 211 .align 5
f2741b78b Russell King 2011-06-25 212 __dabt_svc:
2190fed67 Russell King 2015-08-20 @213 svc_entry uaccess=0
^1da177e4 Linus Torvalds 2005-04-16 214 mov r2, sp
da7404725 Russell King 2011-06-26 215 dabt_helper
e16b31bf4 Marc Zyngier 2013-11-04 216 THUMB( ldr r5, [sp, #S_PSR] ) @ potentially updated CPSR
b059bdc39 Russell King 2011-06-25 217 svc_exit r5 @ return from exception
c4c5716e1 Catalin Marinas 2009-02-16 218 UNWIND(.fnend )
93ed39701 Catalin Marinas 2008-08-28 219 ENDPROC(__dabt_svc)
^1da177e4 Linus Torvalds 2005-04-16 220
^1da177e4 Linus Torvalds 2005-04-16 221 .align 5
^1da177e4 Linus Torvalds 2005-04-16 222 __irq_svc:
ccea7a19e Russell King 2005-05-31 223 svc_entry
187a51ad1 Russell King 2005-05-21 224 irq_handler
1613cc111 Russell King 2011-06-25 225

:::::: The code at line 213 was first introduced by commit
:::::: 2190fed67ba6f3e8129513929f2395843645e928 ARM: entry: provide uaccess assembly macro hooks

:::::: TO: Russell King <rmk+kernel@arm.linux.org.uk>
:::::: CC: Russell King <rmk+kernel@arm.linux.org.uk>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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