vfs_copy_file_range identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/fs.h, line 2075 (as a prototype)

Defined in 1 files as a function:

fs/read_write.c, line 1553 (as a function)

Referenced in 5 files:

Smatch caller information:

fs/overlayfs/file.c ovl_copyfile() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in	1-ptr_max
PARAM_VALUE	1	pos_in	0-1000000000
PARAM_VALUE	2	file_out	1-ptr_max
PARAM_VALUE	3	pos_out	0-1000000000
PARAM_VALUE	4	len	1-1000000000
PARAM_VALUE	5	flags	0
BUF_SIZE	0	file_in	s32min,(-1)-s32max
BUF_SIZE	0	file_in	s32min,(-1)-s32max
BUF_SIZE	2	file_out	s32min,(-1)-s32max
BUF_SIZE	2	file_out	s32min,(-1)-s32max
CAPPED_DATA	0	file_in	1
CAPPED_DATA	1	pos_in	1
CAPPED_DATA	1	pos_in	1
CAPPED_DATA	2	file_out	1
CAPPED_DATA	3	pos_out	1
CAPPED_DATA	3	pos_out	1
CAPPED_DATA	4	len	1
DATA_SOURCE	0	file_in	r ovl_real_file
DATA_SOURCE	1	pos_in	$1
DATA_SOURCE	2	file_out	r ovl_real_file
DATA_SOURCE	3	pos_out	$3
DATA_SOURCE	4	len	$4
DATA_SOURCE	5	flags	$5
NOSPEC	1	pos_in
NOSPEC	1	pos_in
NOSPEC	3	pos_out
NOSPEC	3	pos_out
NOSPEC	4	len
NOSPEC	4	len
RX_PATH
USER_DATA	1	pos_in	0-1000000000[c]
USER_DATA	3	pos_out	0-1000000000[c]
USER_DATA	4	len	1-1000000000[c]
USER_DATA	5	flags	0
NO_OVERFLOW_SIMPLE	1	pos_in
NO_OVERFLOW_SIMPLE	4	len
LOCK2		&inode_out->i_rwsem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/read_write.c __do_sys_copy_file_range() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in	0,4-u64max
PARAM_VALUE	2	file_out	0,4-u64max
PARAM_VALUE	5	flags	0
DATA_SOURCE	4	len	$4
DATA_SOURCE	5	flags	$5
USER_DATA	1	pos_in	s64min-s64max
USER_DATA	3	pos_out	s64min-s64max
USER_DATA	4	len	0-u64max
USER_DATA	5	flags	0
UNITS	1	pos_in	unit_byte
UNITS	3	pos_out	unit_byte

fs/read_write.c __do_sys_copy_file_range() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in	0,4-u64max
PARAM_VALUE	2	file_out	0,4-u64max
PARAM_VALUE	5	flags	0
DATA_SOURCE	4	len	$4
DATA_SOURCE	5	flags	$5
USER_DATA	1	pos_in	s64min-s64max
USER_DATA	3	pos_out	s64min-s64max
USER_DATA	4	len	0-u64max
USER_DATA	5	flags	0
UNITS	1	pos_in	unit_byte
UNITS	3	pos_out	unit_byte

fs/nfsd/vfs.c nfsd_copy_file_range() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in->f_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,2,4096-ptr_max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE	2	file_out->f_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	4	len	1-4194304
PARAM_VALUE	5	flags	0
CAPPED_DATA	4	len	1
CAPPED_DATA	4	len	1
DATA_SOURCE	0	file_in	$0
DATA_SOURCE	1	pos_in	$1
DATA_SOURCE	2	file_out	$2
DATA_SOURCE	3	pos_out	$3
DATA_SOURCE	4	len	$4 [m]
NO_OVERFLOW_SIMPLE	1	pos_in
NO_OVERFLOW_SIMPLE	4	len

fs/nfsd/vfs.c nfsd_copy_file_range() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in	4096-ptr_max
PARAM_VALUE	0	file_in->f_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	file_in->f_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,2,4096-ptr_max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE	2	file_out	4096-ptr_max
PARAM_VALUE	2	file_out->f_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	file_out->f_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	4	len	1-4194304
PARAM_VALUE	5	flags	1
CAPPED_DATA	0	file_in->f_inode	1
CAPPED_DATA	4	len	1
CAPPED_DATA	4	len	1
DATA_SOURCE	0	file_in	$0
DATA_SOURCE	1	pos_in	$1
DATA_SOURCE	2	file_out	$2
DATA_SOURCE	3	pos_out	$3
DATA_SOURCE	4	len	$4 [m]
NO_OVERFLOW_SIMPLE	1	pos_in
NO_OVERFLOW_SIMPLE	4	len

fs/smb/server/smb2pdu.c smb2_ioctl() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in	4096-ptr_max
PARAM_VALUE	1	pos_in	0-s64max
PARAM_VALUE	2	file_out	4096-ptr_max
PARAM_VALUE	3	pos_out	0-s64max
PARAM_VALUE	5	flags	0
HALF_LOCKED2		&pool->lock

fs/smb/server/vfs.c ksmbd_vfs_copy_file_ranges() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in	4096-ptr_max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent	0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	2	file_out	4096-ptr_max
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360
PARAM_VALUE	4	len	0-u32max
PARAM_VALUE	5	flags	0
NO_OVERFLOW_SIMPLE	1	pos_in
NO_OVERFLOW_SIMPLE	4	len
UNITS	1	pos_in	unit_byte
UNITS	3	pos_out	unit_byte
UNITS	4	len	unit_byte
LOCK2		&pool->lock

fs/smb/server/vfs.c ksmbd_vfs_copy_file_ranges() -> vfs_copy_file_range()

Type	Parameter	Key	Value
PARAM_VALUE	0	file_in	4096-ptr_max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->fh_to_parent	0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_export_op->fh_to_parent	0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE	0	file_in->f_path.dentry->d_inode->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	2	file_out	4096-ptr_max
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_mapping->host->i_sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	2	file_out->f_path.dentry->d_inode->i_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360
PARAM_VALUE	4	len	0-u32max
PARAM_VALUE	5	flags	1
NO_OVERFLOW_SIMPLE	1	pos_in
NO_OVERFLOW_SIMPLE	4	len
UNITS	1	pos_in	unit_byte
UNITS	3	pos_out	unit_byte
UNITS	4	len	unit_byte
LOCK2		&pool->lock