Messages in this thread | | | Date | Thu, 28 Oct 2021 05:49:47 +0800 | From | kernel test robot <> | Subject | [brauner:fs.binfmt 2/2] fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git fs.binfmt head: d484ec2850c2cd85d06837319ef57d6cec24305a commit: d484ec2850c2cd85d06837319ef57d6cec24305a [2/2] binfmt_misc: allow sandboxed mounts config: sparc-defconfig (attached as .config) compiler: sparc-linux-gcc (GCC) 11.2.0 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/brauner/linux.git/commit/?id=d484ec2850c2cd85d06837319ef57d6cec24305a git remote add brauner https://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git git fetch --no-tags brauner fs.binfmt git checkout d484ec2850c2cd85d06837319ef57d6cec24305a # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc SHELL=/bin/bash fs/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from <command-line>: fs/binfmt_misc.c: In function 'binfmt_misc': >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:279:27: note: in definition of macro '__unqual_scalar_typeof' 279 | _Generic((x), \ | ^ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:171:44: note: in expansion of macro 'READ_ONCE' 171 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ | ^~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:171:44: note: in expansion of macro 'READ_ONCE' 171 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ | ^~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:171:44: note: in expansion of macro 'READ_ONCE' 171 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ | ^~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:171:44: note: in expansion of macro 'READ_ONCE' 171 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ | ^~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/barrier.h:171:44: note: in expansion of macro 'READ_ONCE' 171 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ | ^~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:279:27: note: in definition of macro '__unqual_scalar_typeof' 279 | _Generic((x), \ | ^ include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE' 50 | __READ_ONCE(x); \ | ^~~~~~~~~~~ include/asm-generic/barrier.h:171:44: note: in expansion of macro 'READ_ONCE' 171 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ | ^~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ In file included from ./arch/sparc/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:266, from include/linux/kernel.h:11, from fs/binfmt_misc.c:13: >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE' 44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) | ^ include/asm-generic/barrier.h:171:44: note: in expansion of macro 'READ_ONCE' 171 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ | ^~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ In file included from <command-line>: >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:172:9: note: in expansion of macro 'compiletime_assert_atomic_type' 172 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:172:9: note: in expansion of macro 'compiletime_assert_atomic_type' 172 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:172:9: note: in expansion of macro 'compiletime_assert_atomic_type' 172 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:172:9: note: in expansion of macro 'compiletime_assert_atomic_type' 172 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:86:24: note: in expansion of macro 'smp_load_acquire' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~~~~~~~~~~~~~~~ In file included from arch/sparc/include/asm/barrier_32.h:5, from arch/sparc/include/asm/barrier.h:7, from arch/sparc/include/asm/atomic_32.h:18, from arch/sparc/include/asm/atomic.h:7, from include/linux/atomic.h:7, from include/asm-generic/bitops/lock.h:5, from arch/sparc/include/asm/bitops_32.h:102, from arch/sparc/include/asm/bitops.h:7, from include/linux/bitops.h:33, from include/linux/kernel.h:12, from fs/binfmt_misc.c:13: >> fs/binfmt_misc.c:86:49: error: 'struct user_namespace' has no member named 'binfmt_misc' 86 | misc = smp_load_acquire(&user_ns->binfmt_misc); | ^~ include/asm-generic/barrier.h:174:18: note: in definition of macro 'smp_load_acquire' 174 | (typeof(*p))___p1; \ | ^ In file included from include/linux/module.h:12, from fs/binfmt_misc.c:14: fs/binfmt_misc.c: In function 'check_file': >> fs/binfmt_misc.c:112:31: error: invalid use of undefined type 'struct binfmt_misc' 112 | list_for_each(l, &misc->entries) { | ^~ include/linux/list.h:571:21: note: in definition of macro 'list_for_each' 571 | for (pos = (head)->next; pos != (head); pos = pos->next) | ^~~~ >> fs/binfmt_misc.c:112:31: error: invalid use of undefined type 'struct binfmt_misc' 112 | list_for_each(l, &misc->entries) { | ^~ include/linux/list.h:571:42: note: in definition of macro 'list_for_each' 571 | for (pos = (head)->next; pos != (head); pos = pos->next) | ^~~~ fs/binfmt_misc.c: In function 'load_misc_binary': fs/binfmt_misc.c:170:18: error: invalid use of undefined type 'struct binfmt_misc' 170 | if (!misc->enabled) | ^~ In file included from include/linux/spinlock.h:326, from include/linux/mm_types.h:9, from include/linux/buildid.h:5, from include/linux/module.h:14, from fs/binfmt_misc.c:14: fs/binfmt_misc.c:174:24: error: invalid use of undefined type 'struct binfmt_misc' 174 | read_lock(&misc->entries_lock); | ^~ include/linux/spinlock_api_up.h:28:32: note: in definition of macro '___LOCK' 28 | do { __acquire(lock); (void)(lock); } while (0) | ^~~~ include/linux/spinlock_api_up.h:60:49: note: in expansion of macro '__LOCK' 60 | #define _raw_read_lock(lock) __LOCK(lock) | ^~~~~~ include/linux/rwlock.h:71:33: note: in expansion of macro '_raw_read_lock' 71 | #define read_lock(lock) _raw_read_lock(lock) | ^~~~~~~~~~~~~~ fs/binfmt_misc.c:174:9: note: in expansion of macro 'read_lock' 174 | read_lock(&misc->entries_lock); | ^~~~~~~~~ fs/binfmt_misc.c:179:26: error: invalid use of undefined type 'struct binfmt_misc' 179 | read_unlock(&misc->entries_lock); | ^~ include/linux/spinlock_api_up.h:43:32: note: in definition of macro '___UNLOCK' 43 | do { __release(lock); (void)(lock); } while (0) | ^~~~ include/linux/spinlock_api_up.h:76:49: note: in expansion of macro '__UNLOCK' 76 | #define _raw_read_unlock(lock) __UNLOCK(lock) | ^~~~~~~~ include/linux/rwlock.h:105:41: note: in expansion of macro '_raw_read_unlock' 105 | #define read_unlock(lock) _raw_read_unlock(lock) | ^~~~~~~~~~~~~~~~ fs/binfmt_misc.c:179:9: note: in expansion of macro 'read_unlock' 179 | read_unlock(&misc->entries_lock); | ^~~~~~~~~~~ fs/binfmt_misc.c: In function 'bm_evict_inode': fs/binfmt_misc.c:610:33: error: invalid use of undefined type 'struct binfmt_misc' 610 | write_lock(&misc->entries_lock); | ^~ include/linux/spinlock_api_up.h:28:32: note: in definition of macro '___LOCK' 28 | do { __acquire(lock); (void)(lock); } while (0) | ^~~~ include/linux/spinlock_api_up.h:61:49: note: in expansion of macro '__LOCK' 61 | #define _raw_write_lock(lock) __LOCK(lock) | ^~~~~~ include/linux/rwlock.h:70:33: note: in expansion of macro '_raw_write_lock' 70 | #define write_lock(lock) _raw_write_lock(lock) | ^~~~~~~~~~~~~~~ fs/binfmt_misc.c:610:17: note: in expansion of macro 'write_lock' 610 | write_lock(&misc->entries_lock); | ^~~~~~~~~~ fs/binfmt_misc.c:612:35: error: invalid use of undefined type 'struct binfmt_misc' 612 | write_unlock(&misc->entries_lock); | ^~ include/linux/spinlock_api_up.h:43:32: note: in definition of macro '___UNLOCK' 43 | do { __release(lock); (void)(lock); } while (0) | ^~~~ include/linux/spinlock_api_up.h:77:49: note: in expansion of macro '__UNLOCK' 77 | #define _raw_write_unlock(lock) __UNLOCK(lock) | ^~~~~~~~ include/linux/rwlock.h:106:41: note: in expansion of macro '_raw_write_unlock' 106 | #define write_unlock(lock) _raw_write_unlock(lock) | ^~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:612:17: note: in expansion of macro 'write_unlock' 612 | write_unlock(&misc->entries_lock); | ^~~~~~~~~~~~ fs/binfmt_misc.c: In function 'bm_register_write': fs/binfmt_misc.c:757:25: error: invalid use of undefined type 'struct binfmt_misc' 757 | write_lock(&misc->entries_lock); | ^~ include/linux/spinlock_api_up.h:28:32: note: in definition of macro '___LOCK' 28 | do { __acquire(lock); (void)(lock); } while (0) | ^~~~ include/linux/spinlock_api_up.h:61:49: note: in expansion of macro '__LOCK' 61 | #define _raw_write_lock(lock) __LOCK(lock) | ^~~~~~ include/linux/rwlock.h:70:33: note: in expansion of macro '_raw_write_lock' 70 | #define write_lock(lock) _raw_write_lock(lock) | ^~~~~~~~~~~~~~~ fs/binfmt_misc.c:757:9: note: in expansion of macro 'write_lock' 757 | write_lock(&misc->entries_lock); | ^~~~~~~~~~ fs/binfmt_misc.c:758:33: error: invalid use of undefined type 'struct binfmt_misc' 758 | list_add(&e->list, &misc->entries); | ^~ In file included from include/linux/spinlock.h:326, from include/linux/mm_types.h:9, from include/linux/buildid.h:5, from include/linux/module.h:14, from fs/binfmt_misc.c:14: fs/binfmt_misc.c:759:27: error: invalid use of undefined type 'struct binfmt_misc' 759 | write_unlock(&misc->entries_lock); | ^~ include/linux/spinlock_api_up.h:43:32: note: in definition of macro '___UNLOCK' 43 | do { __release(lock); (void)(lock); } while (0) | ^~~~ include/linux/spinlock_api_up.h:77:49: note: in expansion of macro '__UNLOCK' 77 | #define _raw_write_unlock(lock) __UNLOCK(lock) | ^~~~~~~~ include/linux/rwlock.h:106:41: note: in expansion of macro '_raw_write_unlock' 106 | #define write_unlock(lock) _raw_write_unlock(lock) | ^~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:759:9: note: in expansion of macro 'write_unlock' 759 | write_unlock(&misc->entries_lock); | ^~~~~~~~~~~~ fs/binfmt_misc.c: In function 'bm_status_read': fs/binfmt_misc.c:793:17: error: invalid use of undefined type 'struct binfmt_misc' 793 | s = misc->enabled ? "enabled\n" : "disabled\n"; | ^~ fs/binfmt_misc.c: In function 'bm_status_write': fs/binfmt_misc.c:811:21: error: invalid use of undefined type 'struct binfmt_misc' 811 | misc->enabled = false; | ^~ fs/binfmt_misc.c:815:21: error: invalid use of undefined type 'struct binfmt_misc' 815 | misc->enabled = true; | ^~ fs/binfmt_misc.c:822:41: error: invalid use of undefined type 'struct binfmt_misc' 822 | while (!list_empty(&misc->entries)) | ^~ In file included from fs/binfmt_misc.c:13: fs/binfmt_misc.c:824:57: error: invalid use of undefined type 'struct binfmt_misc' 824 | list_first_entry(&misc->entries, Node, list)); | ^~ include/linux/kernel.h:494:33: note: in definition of macro 'container_of' 494 | void *__mptr = (void *)(ptr); \ | ^~~ include/linux/list.h:522:9: note: in expansion of macro 'list_entry' 522 | list_entry((ptr)->next, type, member) | ^~~~~~~~~~ fs/binfmt_misc.c:824:35: note: in expansion of macro 'list_first_entry' 824 | list_first_entry(&misc->entries, Node, list)); | ^~~~~~~~~~~~~~~~ In file included from <command-line>: fs/binfmt_misc.c:824:57: error: invalid use of undefined type 'struct binfmt_misc' 824 | list_first_entry(&misc->entries, Node, list)); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/kernel.h:495:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ | ^~~~~~~~~~~~~~~~ include/linux/kernel.h:495:27: note: in expansion of macro '__same_type' 495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ | ^~~~~~~~~~~ include/linux/list.h:511:9: note: in expansion of macro 'container_of' 511 | container_of(ptr, type, member) | ^~~~~~~~~~~~ include/linux/list.h:522:9: note: in expansion of macro 'list_entry' 522 | list_entry((ptr)->next, type, member) | ^~~~~~~~~~ fs/binfmt_misc.c:824:35: note: in expansion of macro 'list_first_entry' 824 | list_first_entry(&misc->entries, Node, list)); | ^~~~~~~~~~~~~~~~ fs/binfmt_misc.c:824:57: error: invalid use of undefined type 'struct binfmt_misc' 824 | list_first_entry(&misc->entries, Node, list)); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/kernel.h:495:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ | ^~~~~~~~~~~~~~~~ include/linux/kernel.h:496:27: note: in expansion of macro '__same_type' 496 | !__same_type(*(ptr), void), \ | ^~~~~~~~~~~ include/linux/list.h:511:9: note: in expansion of macro 'container_of' 511 | container_of(ptr, type, member) | ^~~~~~~~~~~~ include/linux/list.h:522:9: note: in expansion of macro 'list_entry' 522 | list_entry((ptr)->next, type, member) | ^~~~~~~~~~ fs/binfmt_misc.c:824:35: note: in expansion of macro 'list_first_entry' 824 | list_first_entry(&misc->entries, Node, list)); | ^~~~~~~~~~~~~~~~ fs/binfmt_misc.c: In function 'bm_fill_super': fs/binfmt_misc.c:878:23: error: 'struct user_namespace' has no member named 'binfmt_misc' 878 | misc = user_ns->binfmt_misc; | ^~ >> fs/binfmt_misc.c:880:39: error: invalid application of 'sizeof' to incomplete type 'struct binfmt_misc' 880 | misc = kmalloc(sizeof(struct binfmt_misc), GFP_KERNEL); | ^~~~~~ fs/binfmt_misc.c:884:37: error: invalid use of undefined type 'struct binfmt_misc' 884 | INIT_LIST_HEAD(&misc->entries); | ^~ In file included from include/linux/spinlock.h:317, from include/linux/mm_types.h:9, from include/linux/buildid.h:5, from include/linux/module.h:14, from fs/binfmt_misc.c:14: fs/binfmt_misc.c:885:34: error: invalid use of undefined type 'struct binfmt_misc' 885 | rwlock_init(&misc->entries_lock); | ^~ include/linux/rwlock.h:28:16: note: in definition of macro 'rwlock_init' 28 | do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0) | ^~~~ In file included from <command-line>: fs/binfmt_misc.c:888:43: error: 'struct user_namespace' has no member named 'binfmt_misc' 888 | smp_store_release(&user_ns->binfmt_misc, misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:162:9: note: in expansion of macro 'compiletime_assert_atomic_type' 162 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:888:17: note: in expansion of macro 'smp_store_release' 888 | smp_store_release(&user_ns->binfmt_misc, misc); | ^~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:888:43: error: 'struct user_namespace' has no member named 'binfmt_misc' 888 | smp_store_release(&user_ns->binfmt_misc, misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:162:9: note: in expansion of macro 'compiletime_assert_atomic_type' 162 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:888:17: note: in expansion of macro 'smp_store_release' 888 | smp_store_release(&user_ns->binfmt_misc, misc); | ^~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:888:43: error: 'struct user_namespace' has no member named 'binfmt_misc' 888 | smp_store_release(&user_ns->binfmt_misc, misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:162:9: note: in expansion of macro 'compiletime_assert_atomic_type' 162 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:888:17: note: in expansion of macro 'smp_store_release' 888 | smp_store_release(&user_ns->binfmt_misc, misc); | ^~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:888:43: error: 'struct user_namespace' has no member named 'binfmt_misc' 888 | smp_store_release(&user_ns->binfmt_misc, misc); | ^~ include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert' 302 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert' 322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:9: note: in expansion of macro 'compiletime_assert' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:325:28: note: in expansion of macro '__native_word' 325 | compiletime_assert(__native_word(t), \ | ^~~~~~~~~~~~~ include/asm-generic/barrier.h:162:9: note: in expansion of macro 'compiletime_assert_atomic_type' 162 | compiletime_assert_atomic_type(*p); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/binfmt_misc.c:888:17: note: in expansion of macro 'smp_store_release' 888 | smp_store_release(&user_ns->binfmt_misc, misc);
vim +86 fs/binfmt_misc.c
79 80 static struct binfmt_misc *binfmt_misc(struct user_namespace *user_ns) 81 { 82 while (user_ns) { 83 struct binfmt_misc *misc; 84 85 /* Pairs with smp_store_release() in bm_fill_super(). */ > 86 misc = smp_load_acquire(&user_ns->binfmt_misc); 87 if (misc) 88 return misc; 89 90 user_ns = user_ns->parent; 91 } 92 93 /* 94 * As the first user namespace is initialized with 95 * &init_binfmt_misc we should never come here. 96 */ 97 WARN_ON_ONCE(1); 98 return ERR_PTR(-EINVAL); 99 } 100 101 /* 102 * Check if we support the binfmt 103 * if we do, return the node, else NULL 104 * locking is done in load_misc_binary 105 */ 106 static Node *check_file(struct binfmt_misc *misc, struct linux_binprm *bprm) 107 { 108 char *p = strrchr(bprm->interp, '.'); 109 struct list_head *l; 110 111 /* Walk all the registered handlers. */ > 112 list_for_each(l, &misc->entries) { 113 Node *e = list_entry(l, Node, list); 114 char *s; 115 int j; 116 117 /* Make sure this one is currently enabled. */ 118 if (!test_bit(Enabled, &e->flags)) 119 continue; 120 121 /* Do matching based on extension if applicable. */ 122 if (!test_bit(Magic, &e->flags)) { 123 if (p && !strcmp(e->magic, p + 1)) 124 return e; 125 continue; 126 } 127 128 /* Do matching based on magic & mask. */ 129 s = bprm->buf + e->offset; 130 if (e->mask) { 131 for (j = 0; j < e->size; j++) 132 if ((*s++ ^ e->magic[j]) & e->mask[j]) 133 break; 134 } else { 135 for (j = 0; j < e->size; j++) 136 if ((*s++ ^ e->magic[j])) 137 break; 138 } 139 if (j == e->size) 140 return e; 141 } 142 return NULL; 143 } 144
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