fscrypt_prepare_link identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/fscrypt.h, line 890

Defined in 1 files as a function:

include/linux/fscrypt.h, line 908 (as a function)

Referenced in 4 files:

Smatch caller information:

fs/f2fs/namei.c f2fs_link() -> fscrypt_prepare_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	old_dentry	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_acl	0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_offset_ctx	0,2606890545167454208
PARAM_VALUE	0	old_dentry->d_inode->i_op->readlink	0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE	0	old_dentry->d_inode->i_op->sync_lazytime	0,6951464784224747520
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	old_dentry->d_inode->i_sb	4096-ptr_max
PARAM_VALUE	1	dir	4096-ptr_max
PARAM_VALUE	1	dir->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	dir->i_op	4096-ptr_max
PARAM_VALUE	1	dir->i_op->link	4096-ptr_max
PARAM_VALUE	1	dir->i_op->mknod	0,4096-ptr_max
PARAM_VALUE	1	dir->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	dir->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	dir->i_sb	4096-ptr_max
PARAM_VALUE	1	dir->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	2	dentry	4096-ptr_max
PARAM_VALUE	2	dentry->d_inode	0
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->type	0-1
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
CAPPED_DATA	1	dir->i_sb	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->gid_map.nr_extents	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->uid_map.nr_extents	1
DATA_SOURCE	0	old_dentry	$0
DATA_SOURCE	1	dir	$1
DATA_SOURCE	2	dentry	$2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	dir->i_mode	0-u16max
USER_DATA	1	dir->i_size	(-9223372036854775807)-(-4),0-s64max
NO_OVERFLOW_SIMPLE	0	old_dentry->dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	old_dentry->moved->d_inode->i_size
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/ubifs/dir.c ubifs_link() -> fscrypt_prepare_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	old_dentry	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_acl	0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_offset_ctx	0,2606890545167454208
PARAM_VALUE	0	old_dentry->d_inode->i_op->readlink	0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE	0	old_dentry->d_inode->i_op->sync_lazytime	0,6951464784224747520
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	old_dentry->d_inode->i_sb	4096-ptr_max
PARAM_VALUE	1	dir	4096-ptr_max
PARAM_VALUE	1	dir->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	dir->i_op	4096-ptr_max
PARAM_VALUE	1	dir->i_op->link	4096-ptr_max
PARAM_VALUE	1	dir->i_op->mknod	0,4096-ptr_max
PARAM_VALUE	1	dir->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	dir->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	dir->i_sb	4096-ptr_max
PARAM_VALUE	1	dir->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	2	dentry	4096-ptr_max
PARAM_VALUE	2	dentry->d_inode	0
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->type	0-1
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
CAPPED_DATA	1	dir->i_sb	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->gid_map.nr_extents	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->uid_map.nr_extents	1
DATA_SOURCE	0	old_dentry	$0
DATA_SOURCE	1	dir	$1
DATA_SOURCE	2	dentry	$2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	dir->i_mode	0-u16max
USER_DATA	1	dir->i_size	(-9223372036854775807)-(-4),0-s64max
NO_OVERFLOW_SIMPLE	0	old_dentry->dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	old_dentry->moved->d_inode->i_size
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/ceph/dir.c ceph_link() -> fscrypt_prepare_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	old_dentry	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_acl	0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_offset_ctx	0,2606890545167454208
PARAM_VALUE	0	old_dentry->d_inode->i_op->readlink	0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE	0	old_dentry->d_inode->i_op->sync_lazytime	0,6951464784224747520
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	old_dentry->d_inode->i_sb	4096-ptr_max
PARAM_VALUE	1	dir	4096-ptr_max
PARAM_VALUE	1	dir->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	dir->i_op	4096-ptr_max
PARAM_VALUE	1	dir->i_op->link	4096-ptr_max
PARAM_VALUE	1	dir->i_op->mknod	0,4096-ptr_max
PARAM_VALUE	1	dir->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	dir->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	dir->i_sb	4096-ptr_max
PARAM_VALUE	1	dir->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	2	dentry	4096-ptr_max
PARAM_VALUE	2	dentry->d_inode	0
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_sb	4096-ptr_max
PARAM_VALUE	2	dentry->d_sb->s_fs_info	4096-ptr_max
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
CAPPED_DATA	1	dir->i_sb	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->gid_map.nr_extents	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->uid_map.nr_extents	1
DATA_SOURCE	0	old_dentry	$0
DATA_SOURCE	1	dir	$1
DATA_SOURCE	2	dentry	$2
BIT_INFO	2	dentry->d_flags	0x0,0xffffffdf
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	dir->i_mode	0-u16max
USER_DATA	1	dir->i_size	(-9223372036854775807)-(-4),0-s64max
NO_OVERFLOW_SIMPLE	0	old_dentry->dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	old_dentry->moved->d_inode->i_size
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/ext4/namei.c ext4_link() -> fscrypt_prepare_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	old_dentry	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode	4096-ptr_max
PARAM_VALUE	0	old_dentry->d_inode->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_nlink	0-64999
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_acl	0,434817594022129664,1176132492164517888,2308293591809245184,2352177825799393280,5894181231315005440,7161457072544161792,8358186677320523776
PARAM_VALUE	0	old_dentry->d_inode->i_op->get_offset_ctx	0,2606890545167454208
PARAM_VALUE	0	old_dentry->d_inode->i_op->readlink	0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE	0	old_dentry->d_inode->i_op->sync_lazytime	0,6951464784224747520
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	old_dentry->d_inode->i_rwsem.osq.tail.counter	0-s32max
PARAM_VALUE	0	old_dentry->d_inode->i_sb	4096-ptr_max
PARAM_VALUE	1	dir	4096-ptr_max
PARAM_VALUE	1	dir->i_flctx->flc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	dir->i_op	4096-ptr_max
PARAM_VALUE	1	dir->i_op->link	4096-ptr_max
PARAM_VALUE	1	dir->i_op->mknod	0,4096-ptr_max
PARAM_VALUE	1	dir->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	dir->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	dir->i_sb	4096-ptr_max
PARAM_VALUE	1	dir->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	2	dentry	4096-ptr_max
PARAM_VALUE	2	dentry->d_inode	0
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	2	dentry->d_parent->d_inode->i_rwsem.first_waiter->type	0-1
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	0	old_dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
BUF_SIZE	2	dentry	(-1),1-s32max
CAPPED_DATA	1	dir->i_sb	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->gid_map.nr_extents	1
CAPPED_DATA	1	dir->i_sb->s_user_ns->uid_map.nr_extents	1
DATA_SOURCE	0	old_dentry	$0
DATA_SOURCE	1	dir	$1
DATA_SOURCE	2	dentry	$2
HARD_MAX	0	old_dentry->d_inode->i_nlink	64999
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	dir->i_mode	0-u16max
USER_DATA	1	dir->i_size	(-9223372036854775807)-(-4),0-s64max
NO_OVERFLOW_SIMPLE	0	old_dentry->dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	old_dentry->moved->d_inode->i_size
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem