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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

fs/coredump.c coredump_sock_wait() -> __kernel_read()

Type Parameter Key Value
PARAM_VALUE 0 file 4096-ptr_max
PARAM_VALUE 1 buf 4096-ptr_max
PARAM_VALUE 2 count 1
PARAM_VALUE 3 pos 0
DATA_SOURCE 0 file $0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 file->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE 0 file->f_path.dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE 0 file->f_path.moved->d_inode->i_size

fs/verity/enable.c build_merkle_tree() -> __kernel_read()

Type Parameter Key Value
PARAM_VALUE 0 file 4096-ptr_max
PARAM_VALUE 0 file->f_inode 4096-ptr_max
PARAM_VALUE 0 file->f_inode->i_blkbits 10-255
PARAM_VALUE 0 file->f_inode->i_rwsem.dep_map->name 0-255
PARAM_VALUE 0 file->f_inode->i_rwsem.first_waiter->handoff_set 1
PARAM_VALUE 0 file->f_inode->i_rwsem.first_waiter->list.next 2624917664208203776
PARAM_VALUE 0 file->f_inode->i_rwsem.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 0 file->f_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 file->f_inode->i_sb 4096-ptr_max
PARAM_VALUE 0 file->f_inode->i_sb->s_vop->write_merkle_tree_block 4096-ptr_max
PARAM_VALUE 0 file->f_inode->i_writecount.counter 0-s32max
PARAM_VALUE 1 *buf 0-255
PARAM_VALUE 2 count 0-u32max
PARAM_VALUE 3 pos 8443321398844178432
PARAM_VALUE 3 *pos s64min-(-2),0-s64max
BUF_SIZE 1 buf 64
DATA_SOURCE 0 file $0
BIT_INFO 0 file->f_mode 0x1,0xffffffffffffffff
UNITS 2 count unit_byte

fs/read_write.c kernel_read() -> __kernel_read()

Type Parameter Key Value
PARAM_VALUE 0 file->f_inode->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 file->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 file->f_mapping->host->i_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 file->f_mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 file->f_mapping->host->i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 0 file->f_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->f_mapping->host->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->f_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 2 count 0-1000000000
PARAM_VALUE 3 *pos 0-1000000000
BUF_SIZE 0 file (-1)-s32max
BUF_SIZE 0 file (-1)-s32max
BUF_SIZE 1 buf (-1)-s32max
BUF_SIZE 1 buf (-1)-s32max
DATA_SOURCE 0 file $0
DATA_SOURCE 1 buf $1
DATA_SOURCE 2 count $2
DATA_SOURCE 3 pos $3
FUZZY_MAX 2 count 65536
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 file->f_inode->i_blkbits
NO_OVERFLOW_SIMPLE 0 file->f_inode->i_size
NO_OVERFLOW_SIMPLE 0 file->f_path.d_inode->i_size
NO_OVERFLOW_SIMPLE 0 file->f_path.dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE 0 file->f_path.moved->d_inode->i_size
UNITS 1 buf unit_byte
UNITS 2 count unit_byte
BYTE_COUNT 1 ==buf2 8050
HALF_LOCKED2 &common->filesem
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &key->sem
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &psi->read_mutex
HALF_LOCKED2 global &sev_cmd_mutex

lib/buildid.c freader_fetch() -> __kernel_read()

Type Parameter Key Value
PARAM_VALUE 0 file 4096-ptr_max
PARAM_VALUE 0 file->f_mapping 4096-ptr_max
PARAM_VALUE 0 file->f_mapping->a_ops 0-7155369007361417215,7155369007361417217-u64max
PARAM_VALUE 1 buf 1-u64max
PARAM_VALUE 2 count 0-u32max
BUF_SIZE 1 buf 64,256
CAPPED_DATA 2 count 1
CAPPED_DATA 2 count 1
DATA_SOURCE 2 count $2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 file->f_mapping->host->i_bytes
NO_OVERFLOW_SIMPLE 3 *pos
UNITS 2 count unit_byte

security/integrity/iint.c integrity_kernel_read() -> __kernel_read()

Type Parameter Key Value
PARAM_VALUE 0 file 4096-ptr_max
PARAM_VALUE 0 file->f_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 file->f_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 file->f_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 file->f_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 file->f_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 file->f_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 file->f_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 file->f_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 buf 4096-ptr_max
PARAM_VALUE 2 count 4096
PARAM_VALUE 3 *pos 0-9223372036854775806
BUF_SIZE 1 buf 4096
BUF_SIZE 1 buf 4096
CAPPED_DATA 0 file 1
DATA_SOURCE 0 file $0
DATA_SOURCE 1 buf $2
DATA_SOURCE 2 count $3
STR_LEN 0 file (-1),11
STR_LEN 0 file (-1),11
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 file->f_inode->i_size
UNITS 2 count unit_byte
HALF_LOCKED2 &iint->mutex