Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
Smatch caller information:
fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memcpy_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->folio_shift | 12 |
| PARAM_VALUE | 0 | dst->folio_size | 4096 |
| PARAM_VALUE | 0 | dst->fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->eb_leak_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->leak_list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->leak_list.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->len | 0-65536 |
| PARAM_VALUE | 0 | dst->lock.count.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | dst->lock.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | dst->refs.refs.counter | 1 |
| PARAM_VALUE | 0 | dst->writeback_inhibitors.counter | 0 |
| PARAM_VALUE | 1 | dst_offset | 0 |
| PARAM_VALUE | 2 | src_offset | 16 |
| PARAM_VALUE | 3 | len | 16 |
| CAPPED_DATA | 0 | dst | 1 |
| DATA_SOURCE | 0 | dst | r alloc_dummy_extent_buffer |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | dst->len | |
| NO_OVERFLOW_SIMPLE | 0 | dst->start |
fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memcpy_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->folio_shift | 12 |
| PARAM_VALUE | 0 | dst->folio_size | 4096 |
| PARAM_VALUE | 0 | dst->fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->btree_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 | dst->fs_info->eb_leak_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->leak_list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->leak_list.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->len | 0-65536 |
| PARAM_VALUE | 0 | dst->lock.count.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | dst->lock.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | dst->refs.refs.counter | 1 |
| PARAM_VALUE | 0 | dst->writeback_inhibitors.counter | 0 |
| PARAM_VALUE | 1 | dst_offset | 0 |
| PARAM_VALUE | 2 | src_offset | 2048 |
| PARAM_VALUE | 3 | len | 16 |
| CAPPED_DATA | 0 | dst | 1 |
| DATA_SOURCE | 0 | dst | r alloc_dummy_extent_buffer |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | dst->len | |
| NO_OVERFLOW_SIMPLE | 0 | dst->start |
fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memcpy_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->folio_shift | 12 |
| PARAM_VALUE | 0 | dst->folio_size | 4096 |
| PARAM_VALUE | 0 | dst->fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->btree_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 | dst->fs_info->eb_leak_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->leak_list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->leak_list.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->len | 0-65536 |
| PARAM_VALUE | 0 | dst->lock.count.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | dst->lock.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | dst->refs.refs.counter | 1 |
| PARAM_VALUE | 0 | dst->writeback_inhibitors.counter | 0 |
| PARAM_VALUE | 1 | dst_offset | 0 |
| PARAM_VALUE | 2 | src_offset | 2048 |
| PARAM_VALUE | 3 | len | 2048 |
| CAPPED_DATA | 0 | dst | 1 |
| DATA_SOURCE | 0 | dst | r alloc_dummy_extent_buffer |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | dst->len | |
| NO_OVERFLOW_SIMPLE | 0 | dst->start |
fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memcpy_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->folio_shift | 12 |
| PARAM_VALUE | 0 | dst->folio_size | 4096 |
| PARAM_VALUE | 0 | dst->fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->btree_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 | dst->fs_info->eb_leak_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->leak_list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->leak_list.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->len | 0-65536 |
| PARAM_VALUE | 0 | dst->lock.count.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | dst->lock.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | dst->refs.refs.counter | 1 |
| PARAM_VALUE | 0 | dst->writeback_inhibitors.counter | 0 |
| PARAM_VALUE | 1 | dst_offset | 0 |
| PARAM_VALUE | 2 | src_offset | 3968 |
| PARAM_VALUE | 3 | len | 256 |
| CAPPED_DATA | 0 | dst | 1 |
| DATA_SOURCE | 0 | dst | r alloc_dummy_extent_buffer |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | dst->len | |
| NO_OVERFLOW_SIMPLE | 0 | dst->start |
fs/btrfs/tests/extent-io-tests.c test_eb_mem_ops() -> memcpy_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->folio_shift | 12 |
| PARAM_VALUE | 0 | dst->folio_size | 4096 |
| PARAM_VALUE | 0 | dst->fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->allocated_ebs.next->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->btree_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 | dst->fs_info->eb_leak_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->leak_list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->leak_list.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->len | 0-65536 |
| PARAM_VALUE | 0 | dst->lock.count.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dst->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | dst->lock.magic | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | dst->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | dst->refs.refs.counter | 1 |
| PARAM_VALUE | 0 | dst->writeback_inhibitors.counter | 0 |
| PARAM_VALUE | 1 | dst_offset | 3968 |
| PARAM_VALUE | 2 | src_offset | 4224 |
| PARAM_VALUE | 3 | len | 256 |
| CAPPED_DATA | 0 | dst | 1 |
| DATA_SOURCE | 0 | dst | r alloc_dummy_extent_buffer |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | dst->len | |
| NO_OVERFLOW_SIMPLE | 0 | dst->start |
fs/btrfs/extent_io.c memmove_extent_buffer() -> memcpy_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 0 | dst->fs_info->btree_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 | dst->lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | dst->lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | dst_offset | 0-18446744073709551614 |
| PARAM_VALUE | 2 | src_offset | 1-u64max |
| CAPPED_DATA | 0 | dst | 1 |
| CAPPED_DATA | 1 | dst_offset | 1 |
| CAPPED_DATA | 1 | dst_offset | 1 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | dst_offset | $1 |
| DATA_SOURCE | 2 | src_offset | $2 |
| DATA_SOURCE | 3 | len | $3 |
| PARAM_COMPARE | 0 | dst->len | > $1 |
| PARAM_COMPARE | 0 | dst->len | >= $2 |
| PARAM_COMPARE | 0 | dst->len | >= $3 |
| PARAM_COMPARE | 1 | dst_offset | < $0->len |
| PARAM_COMPARE | 1 | dst_offset | < $2 |
| PARAM_COMPARE | 1 | dst_offset | < $2 |
| PARAM_COMPARE | 2 | src_offset | <= $0->len |
| PARAM_COMPARE | 2 | src_offset | > $1 |
| PARAM_COMPARE | 3 | len | <= $0->len |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | dst->len | |
| NO_OVERFLOW_SIMPLE | 0 | dst->start | |
| NO_OVERFLOW_SIMPLE | 1 | dst_offset | |
| NO_OVERFLOW_SIMPLE | 2 | src_offset | |
| NO_OVERFLOW_SIMPLE | 3 | len | |
| UNITS | 1 | dst_offset | unit_byte |
| UNITS | 2 | src_offset | unit_byte |
| UNITS | 3 | len | unit_byte |
| HALF_LOCKED2 | &fs_info->tree_mod_log_lock | ||
| HALF_LOCKED2 | 0 | &dst->lock |
fs/btrfs/ctree.c btrfs_duplicate_item() -> memcpy_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 1 | dst_offset | 101-4294967396 |
| PARAM_VALUE | 2 | src_offset | 101-4294967396 |
| DATA_SOURCE | 3 | len | r btrfs_item_size |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 3 | len | unit_byte |