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Date: Thu, 21 Apr 2022 17:53:15 +0800
From: kernel test robot <lkp@...el.com>
To: Palmer Dabbelt <palmer@...osinc.com>
Cc: kbuild-all@...ts.01.org,
GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
linux-kernel@...r.kernel.org
Subject: [ammarfaizi2-block:palmer/linux/tspinlock-v3 5/9]
kernel/seccomp.c:870:9: sparse: sparse: incorrect type in argument 1
(different address spaces)
tree: https://github.com/ammarfaizi2/linux-block palmer/linux/tspinlock-v3
head: fc2d79f0558a2de8cdf896d84f507bf51f90cd0c
commit: 9d7cdf43225edaf8bef5c716927eb6a6c5a0f69b [5/9] RISC-V: Move to generic spinlocks
config: riscv-randconfig-s032-20220420 (https://download.01.org/0day-ci/archive/20220421/202204211726.WgiHp9Ql-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://github.com/ammarfaizi2/linux-block/commit/9d7cdf43225edaf8bef5c716927eb6a6c5a0f69b
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block palmer/linux/tspinlock-v3
git checkout 9d7cdf43225edaf8bef5c716927eb6a6c5a0f69b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> kernel/seccomp.c:870:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:870:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:870:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/seccomp.c:1344:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1344:31: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1344:31: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:1356:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1356:33: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1356:33: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:1782:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct lockdep_map const *lock @@ got struct lockdep_map [noderef] __rcu * @@
kernel/seccomp.c:1782:9: sparse: expected struct lockdep_map const *lock
kernel/seccomp.c:1782:9: sparse: got struct lockdep_map [noderef] __rcu *
kernel/seccomp.c:1860:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1860:31: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1860:31: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:1878:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:1878:33: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:1878:33: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:2020:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:2020:28: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:2020:28: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:2023:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:2023:38: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:2023:38: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:2029:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/seccomp.c:2029:30: sparse: expected struct spinlock [usertype] *lock
kernel/seccomp.c:2029:30: sparse: got struct spinlock [noderef] __rcu *
kernel/seccomp.c:487:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:487:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:487:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/seccomp.c:584:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:584:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:584:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/seccomp.c:445:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:445:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:445:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/seccomp.c:431:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:431:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:431:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/seccomp.c:445:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:445:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:445:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/seccomp.c:431:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:431:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:431:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/seccomp.c:445:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/seccomp.c:445:9: sparse: expected struct atomic_t [usertype] *lock
kernel/seccomp.c:445:9: sparse: got struct atomic_t [noderef] __rcu *
--
kernel/fork.c:1304:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct file [noderef] __rcu *_x_ @@ got struct file *new_exe_file @@
kernel/fork.c:1304:24: sparse: expected struct file [noderef] __rcu *_x_
kernel/fork.c:1304:24: sparse: got struct file *new_exe_file
kernel/fork.c:1304:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct file *[assigned] old_exe_file @@ got struct file [noderef] __rcu * @@
kernel/fork.c:1304:22: sparse: expected struct file *[assigned] old_exe_file
kernel/fork.c:1304:22: sparse: got struct file [noderef] __rcu *
kernel/fork.c:1635:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct refcount_struct [usertype] *r @@ got struct refcount_struct [noderef] __rcu * @@
kernel/fork.c:1635:38: sparse: expected struct refcount_struct [usertype] *r
kernel/fork.c:1635:38: sparse: got struct refcount_struct [noderef] __rcu *
kernel/fork.c:1644:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:1644:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:1644:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:1645:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const * @@ got struct k_sigaction [noderef] __rcu * @@
kernel/fork.c:1645:36: sparse: expected void const *
kernel/fork.c:1645:36: sparse: got struct k_sigaction [noderef] __rcu *
kernel/fork.c:1646:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:1646:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:1646:33: sparse: got struct spinlock [noderef] __rcu *
>> kernel/fork.c:1739:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct atomic_t [usertype] *lock @@ got struct atomic_t [noderef] __rcu * @@
kernel/fork.c:1739:9: sparse: expected struct atomic_t [usertype] *lock
kernel/fork.c:1739:9: sparse: got struct atomic_t [noderef] __rcu *
kernel/fork.c:2058:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2058:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2058:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2062:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2062:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2062:33: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2379:32: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct [noderef] __rcu *real_parent @@ got struct task_struct * @@
kernel/fork.c:2379:32: sparse: expected struct task_struct [noderef] __rcu *real_parent
kernel/fork.c:2379:32: sparse: got struct task_struct *
kernel/fork.c:2388:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2388:27: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2388:27: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2433:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct list_head *head @@ got struct list_head [noderef] __rcu * @@
kernel/fork.c:2433:54: sparse: expected struct list_head *head
kernel/fork.c:2433:54: sparse: got struct list_head [noderef] __rcu *
kernel/fork.c:2454:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2454:29: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2454:29: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2475:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2475:29: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2475:29: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2502:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_struct [noderef] __rcu *sighand @@
kernel/fork.c:2502:28: sparse: expected struct sighand_struct *sighand
kernel/fork.c:2502:28: sparse: got struct sighand_struct [noderef] __rcu *sighand
kernel/fork.c:2531:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2531:31: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2531:31: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2533:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/fork.c:2533:33: sparse: expected struct spinlock [usertype] *lock
kernel/fork.c:2533:33: sparse: got struct spinlock [noderef] __rcu *
kernel/fork.c:2942:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *[assigned] parent @@ got struct task_struct [noderef] __rcu *real_parent @@
kernel/fork.c:2942:24: sparse: expected struct task_struct *[assigned] parent
kernel/fork.c:2942:24: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/fork.c:3023:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct refcount_struct const [usertype] *r @@ got struct refcount_struct [noderef] __rcu * @@
kernel/fork.c:3023:43: sparse: expected struct refcount_struct const [usertype] *r
kernel/fork.c:3023:43: sparse: got struct refcount_struct [noderef] __rcu *
kernel/fork.c:2100:22: sparse: sparse: dereference of noderef expression
kernel/fork.c: note: in included file (through include/linux/ftrace.h, include/linux/perf_event.h, include/linux/trace_events.h, ...):
include/linux/ptrace.h:217:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *new_parent @@ got struct task_struct [noderef] __rcu *parent @@
include/linux/ptrace.h:217:45: sparse: expected struct task_struct *new_parent
include/linux/ptrace.h:217:45: sparse: got struct task_struct [noderef] __rcu *parent
include/linux/ptrace.h:217:62: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct cred const *ptracer_cred @@ got struct cred const [noderef] __rcu *ptracer_cred @@
include/linux/ptrace.h:217:62: sparse: expected struct cred const *ptracer_cred
include/linux/ptrace.h:217:62: sparse: got struct cred const [noderef] __rcu *ptracer_cred
kernel/fork.c:2431:59: sparse: sparse: dereference of noderef expression
kernel/fork.c:2432:59: sparse: sparse: dereference of noderef expression
vim +870 kernel/seccomp.c
8e01b51a31a1e0 YiFei Zhu 2020-10-11 851
c8bee430dc52cf Kees Cook 2014-06-27 852 /**
c8bee430dc52cf Kees Cook 2014-06-27 853 * seccomp_attach_filter: validate and attach filter
c8bee430dc52cf Kees Cook 2014-06-27 854 * @flags: flags to change filter behavior
c8bee430dc52cf Kees Cook 2014-06-27 855 * @filter: seccomp filter to add to the current process
c8bee430dc52cf Kees Cook 2014-06-27 856 *
dbd952127d11bb Kees Cook 2014-06-27 857 * Caller must be holding current->sighand->siglock lock.
dbd952127d11bb Kees Cook 2014-06-27 858 *
7a0df7fbc14505 Tycho Andersen 2019-03-06 859 * Returns 0 on success, -ve on error, or
7a0df7fbc14505 Tycho Andersen 2019-03-06 860 * - in TSYNC mode: the pid of a thread which was either not in the correct
7a0df7fbc14505 Tycho Andersen 2019-03-06 861 * seccomp mode or did not have an ancestral seccomp filter
7a0df7fbc14505 Tycho Andersen 2019-03-06 862 * - in NEW_LISTENER mode: the fd of the new listener
c8bee430dc52cf Kees Cook 2014-06-27 863 */
c8bee430dc52cf Kees Cook 2014-06-27 864 static long seccomp_attach_filter(unsigned int flags,
c8bee430dc52cf Kees Cook 2014-06-27 865 struct seccomp_filter *filter)
c8bee430dc52cf Kees Cook 2014-06-27 866 {
c8bee430dc52cf Kees Cook 2014-06-27 867 unsigned long total_insns;
c8bee430dc52cf Kees Cook 2014-06-27 868 struct seccomp_filter *walker;
c8bee430dc52cf Kees Cook 2014-06-27 869
69f6a34bdeea4f Guenter Roeck 2014-08-10 @870 assert_spin_locked(¤t->sighand->siglock);
dbd952127d11bb Kees Cook 2014-06-27 871
c8bee430dc52cf Kees Cook 2014-06-27 872 /* Validate resulting filter length. */
c8bee430dc52cf Kees Cook 2014-06-27 873 total_insns = filter->prog->len;
c8bee430dc52cf Kees Cook 2014-06-27 874 for (walker = current->seccomp.filter; walker; walker = walker->prev)
c8bee430dc52cf Kees Cook 2014-06-27 875 total_insns += walker->prog->len + 4; /* 4 instr penalty */
c8bee430dc52cf Kees Cook 2014-06-27 876 if (total_insns > MAX_INSNS_PER_PATH)
c8bee430dc52cf Kees Cook 2014-06-27 877 return -ENOMEM;
c8bee430dc52cf Kees Cook 2014-06-27 878
c2e1f2e30daa55 Kees Cook 2014-06-05 879 /* If thread sync has been requested, check that it is possible. */
c2e1f2e30daa55 Kees Cook 2014-06-05 880 if (flags & SECCOMP_FILTER_FLAG_TSYNC) {
c2e1f2e30daa55 Kees Cook 2014-06-05 881 int ret;
c2e1f2e30daa55 Kees Cook 2014-06-05 882
c2e1f2e30daa55 Kees Cook 2014-06-05 883 ret = seccomp_can_sync_threads();
51891498f2da78 Tycho Andersen 2020-03-04 884 if (ret) {
51891498f2da78 Tycho Andersen 2020-03-04 885 if (flags & SECCOMP_FILTER_FLAG_TSYNC_ESRCH)
51891498f2da78 Tycho Andersen 2020-03-04 886 return -ESRCH;
51891498f2da78 Tycho Andersen 2020-03-04 887 else
c2e1f2e30daa55 Kees Cook 2014-06-05 888 return ret;
c2e1f2e30daa55 Kees Cook 2014-06-05 889 }
51891498f2da78 Tycho Andersen 2020-03-04 890 }
c2e1f2e30daa55 Kees Cook 2014-06-05 891
e66a39977985b1 Tyler Hicks 2017-08-11 892 /* Set log flag, if present. */
e66a39977985b1 Tyler Hicks 2017-08-11 893 if (flags & SECCOMP_FILTER_FLAG_LOG)
e66a39977985b1 Tyler Hicks 2017-08-11 894 filter->log = true;
e66a39977985b1 Tyler Hicks 2017-08-11 895
c8bee430dc52cf Kees Cook 2014-06-27 896 /*
c8bee430dc52cf Kees Cook 2014-06-27 897 * If there is an existing filter, make it the prev and don't drop its
c8bee430dc52cf Kees Cook 2014-06-27 898 * task reference.
c8bee430dc52cf Kees Cook 2014-06-27 899 */
c8bee430dc52cf Kees Cook 2014-06-27 900 filter->prev = current->seccomp.filter;
8e01b51a31a1e0 YiFei Zhu 2020-10-11 901 seccomp_cache_prepare(filter);
c8bee430dc52cf Kees Cook 2014-06-27 902 current->seccomp.filter = filter;
c818c03b661cd7 Kees Cook 2020-05-13 903 atomic_inc(¤t->seccomp.filter_count);
c8bee430dc52cf Kees Cook 2014-06-27 904
c2e1f2e30daa55 Kees Cook 2014-06-05 905 /* Now that the new filter is in place, synchronize to all threads. */
c2e1f2e30daa55 Kees Cook 2014-06-05 906 if (flags & SECCOMP_FILTER_FLAG_TSYNC)
00a02d0c502a06 Kees Cook 2018-05-03 907 seccomp_sync_threads(flags);
c2e1f2e30daa55 Kees Cook 2014-06-05 908
c8bee430dc52cf Kees Cook 2014-06-27 909 return 0;
e2cfabdfd07564 Will Drewry 2012-04-12 910 }
e2cfabdfd07564 Will Drewry 2012-04-12 911
:::::: The code at line 870 was first introduced by commit
:::::: 69f6a34bdeea4fec50bb90619bc9602973119572 seccomp: Replace BUG(!spin_is_locked()) with assert_spin_lock
:::::: TO: Guenter Roeck <linux@...ck-us.net>
:::::: CC: Kees Cook <keescook@...omium.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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