* [stable:linux-4.19.y 3835/9999] include/linux/pagemap.h:576: Error: unrecognized opcode `csrs sstatus,s4'
@ 2023-02-13 23:24 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-02-13 23:24 UTC (permalink / raw)
To: Filipe Manana
Cc: oe-kbuild-all, Greg Kroah-Hartman, Josef Bacik, David Sterba
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.19.y
head: 53b696f0584acce2e90db69272a2a11aab138370
commit: 91567128a9cbe55a4c133b900d73e6f56fef8f59 [3835/9999] btrfs: fix wrong address when faulting in pages in the search ioctl
config: riscv-randconfig-c44-20230212 (https://download.01.org/0day-ci/archive/20230214/202302140706.HJDNA8li-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=91567128a9cbe55a4c133b900d73e6f56fef8f59
git remote add stable https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
git fetch --no-tags stable linux-4.19.y
git checkout 91567128a9cbe55a4c133b900d73e6f56fef8f59
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302140706.HJDNA8li-lkp@intel.com/
All errors (new ones prefixed by >>):
include/linux/pagemap.h: Assembler messages:
>> include/linux/pagemap.h:576: Error: unrecognized opcode `csrs sstatus,s4'
>> include/linux/pagemap.h:576: Error: unrecognized opcode `csrc sstatus,s4'
include/linux/pagemap.h:584: Error: unrecognized opcode `csrs sstatus,s4'
include/linux/pagemap.h:584: Error: unrecognized opcode `csrc sstatus,s4'
fs/btrfs/ioctl.c:482: Error: unrecognized opcode `csrs sstatus,a4'
fs/btrfs/ioctl.c:482: Error: unrecognized opcode `csrc sstatus,a4'
vim +576 include/linux/pagemap.h
385e1ca5f21c46 David Howells 2009-04-03 558
^1da177e4c3f41 Linus Torvalds 2005-04-16 559 /*
4bce9f6ee8f84f Al Viro 2016-09-17 560 * Fault everything in given userspace address range in.
^1da177e4c3f41 Linus Torvalds 2005-04-16 561 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 562 static inline int fault_in_pages_writeable(char __user *uaddr, int size)
f56f821feb7b36 Daniel Vetter 2012-03-25 563 {
9923777dff4543 Daniel Vetter 2012-04-14 564 char __user *end = uaddr + size - 1;
f56f821feb7b36 Daniel Vetter 2012-03-25 565
f56f821feb7b36 Daniel Vetter 2012-03-25 566 if (unlikely(size == 0))
e23d4159b10916 Al Viro 2016-09-20 567 return 0;
f56f821feb7b36 Daniel Vetter 2012-03-25 568
e23d4159b10916 Al Viro 2016-09-20 569 if (unlikely(uaddr > end))
e23d4159b10916 Al Viro 2016-09-20 570 return -EFAULT;
f56f821feb7b36 Daniel Vetter 2012-03-25 571 /*
f56f821feb7b36 Daniel Vetter 2012-03-25 572 * Writing zeroes into userspace here is OK, because we know that if
f56f821feb7b36 Daniel Vetter 2012-03-25 573 * the zero gets there, we'll be overwriting it.
f56f821feb7b36 Daniel Vetter 2012-03-25 574 */
e23d4159b10916 Al Viro 2016-09-20 575 do {
e23d4159b10916 Al Viro 2016-09-20 @576 if (unlikely(__put_user(0, uaddr) != 0))
e23d4159b10916 Al Viro 2016-09-20 577 return -EFAULT;
f56f821feb7b36 Daniel Vetter 2012-03-25 578 uaddr += PAGE_SIZE;
e23d4159b10916 Al Viro 2016-09-20 579 } while (uaddr <= end);
f56f821feb7b36 Daniel Vetter 2012-03-25 580
f56f821feb7b36 Daniel Vetter 2012-03-25 581 /* Check whether the range spilled into the next page. */
f56f821feb7b36 Daniel Vetter 2012-03-25 582 if (((unsigned long)uaddr & PAGE_MASK) ==
f56f821feb7b36 Daniel Vetter 2012-03-25 583 ((unsigned long)end & PAGE_MASK))
e23d4159b10916 Al Viro 2016-09-20 584 return __put_user(0, end);
f56f821feb7b36 Daniel Vetter 2012-03-25 585
e23d4159b10916 Al Viro 2016-09-20 586 return 0;
f56f821feb7b36 Daniel Vetter 2012-03-25 587 }
f56f821feb7b36 Daniel Vetter 2012-03-25 588
:::::: The code at line 576 was first introduced by commit
:::::: e23d4159b109167126e5bcd7f3775c95de7fee47 fix fault_in_multipages_...() on architectures with no-op access_ok()
:::::: TO: Al Viro <viro@ZenIV.linux.org.uk>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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