Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 8 files:
- fs/btrfs/dir-item.c, line 390
- fs/btrfs/disk-io.c, line 289
- fs/btrfs/inode-item.c
- fs/btrfs/inode.c, line 5857
- fs/btrfs/props.c, line 216
- fs/btrfs/root-tree.c, line 359
- fs/btrfs/send.c, line 7441
- fs/btrfs/tree-log.c
Smatch caller information:
fs/btrfs/dir-item.c btrfs_match_dir_item_name() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 4096-18446744073709547520 |
| PARAM_VALUE | 3 | len | 0-u16max |
| BUF_SIZE | 1 | ptrv | s32min-(-1),1-s32max |
| CAPPED_DATA | 3 | len | 1 |
| DATA_SOURCE | 1 | ptrv | $1 |
| DATA_SOURCE | 3 | len | $2 |
| FUZZY_MAX | 2 | start | 18446744073709547520 |
| STR_LEN | 0 | eb | (-1),7,23-24,63 |
| HARD_MAX | 2 | start | 18446744073709547520 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 2 | start | |
| NO_OVERFLOW_SIMPLE | 3 | len | |
| UNITS | 1 | ptrv | unit_byte |
| UNITS | 2 | start | unit_byte |
| UNITS | 3 | len | unit_byte |
fs/btrfs/tree-log.c overwrite_item() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 1 | ptrv | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 101-4294967396 |
| PARAM_VALUE | 3 | len | 1-4000000 |
| BUF_SIZE | 1 | ptrv | 1-u32max |
| CAPPED_DATA | 3 | len | 1 |
| DATA_SOURCE | 1 | ptrv | r _kmalloc_noprof |
| DATA_SOURCE | 3 | len | r btrfs_item_size |
| BYTE_COUNT | 1 | ==ptrv3 | 8050 |
fs/btrfs/tree-log.c replay_one_extent() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 1 | ptrv | 6212687865696112640 |
| PARAM_VALUE | 2 | start | 101-4294967396 |
| PARAM_VALUE | 3 | len | 53 |
| BUF_SIZE | 1 | ptrv | 53 |
| UNITS | 3 | len | unit_byte |
fs/btrfs/inode.c fixup_tree_root_location() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 4096-18446744073709547520 |
| PARAM_VALUE | 3 | len | 0-u16max |
| CAPPED_DATA | 3 | len | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 3 | len | unit_byte |
| HALF_LOCKED2 | &dentry->d_lockref.lock | ||
| HALF_LOCKED2 | &fs_info->subvol_sem |
fs/btrfs/props.c iterate_object_props() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 1 | ptrv | 3473656681227894784 |
| PARAM_VALUE | 1 | *ptrv | 0-255 |
| PARAM_VALUE | 2 | start | 4096-18446744073709547520 |
| PARAM_VALUE | 3 | len | 6 |
| BUF_SIZE | 1 | ptrv | 7 |
| FUZZY_MAX | 2 | start | 18446744073709547520 |
| STR_LEN | 0 | eb | 6 |
| TERMINATED | 1 | ptrv | 1 |
| HARD_MAX | 2 | start | 18446744073709547520 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | start | unit_byte |
| UNITS | 3 | len | unit_byte |
fs/btrfs/inode-item.c btrfs_find_name_in_backref() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 4096-18446744073709547520 |
| PARAM_VALUE | 3 | len | 0-u16max |
| BUF_SIZE | 1 | ptrv | s32min-(-2),1-s32max |
| CAPPED_DATA | 3 | len | 1 |
| DATA_SOURCE | 0 | eb | $0 |
| FUZZY_MAX | 2 | start | 18446744073709547520 |
| HARD_MAX | 2 | start | 18446744073709547520 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 2 | start | |
| NO_OVERFLOW_SIMPLE | 3 | len | |
| UNITS | 3 | len | unit_byte |
fs/btrfs/inode-item.c btrfs_find_name_in_ext_backref() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 4096-18446744073709547520 |
| PARAM_VALUE | 3 | len | 0-u16max |
| BUF_SIZE | 1 | ptrv | s32min-(-2),1-s32max |
| CAPPED_DATA | 3 | len | 1 |
| DATA_SOURCE | 0 | eb | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 2 | start | |
| NO_OVERFLOW_SIMPLE | 3 | len | |
| UNITS | 3 | len | unit_byte |
fs/btrfs/root-tree.c btrfs_del_root_ref() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 4096-18446744073709547520 |
| PARAM_VALUE | 3 | len | 0-u16max |
| BUF_SIZE | 1 | ptrv | s32min-(-2),1-s32max |
| CAPPED_DATA | 3 | len | 1 |
| FUZZY_MAX | 2 | start | 18446744073709547520 |
| HARD_MAX | 2 | start | 18446744073709547520 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 2 | start | |
| NO_OVERFLOW_SIMPLE | 3 | len | |
| UNITS | 3 | len | unit_byte |
fs/btrfs/disk-io.c btree_csum_one_bio() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 0 | eb->folios | 4096-ptr_max |
| PARAM_VALUE | 0 | eb->fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | eb->fs_info->fs_devices | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 32 |
| PARAM_VALUE | 3 | len | 16 |
| BUF_SIZE | 0 | eb | (-1),1-s32max |
| BUF_SIZE | 0 | eb | (-1),1-s32max |
| BUF_SIZE | 1 | ptrv | 16 |
| CAPPED_DATA | 0 | eb->len | 1 |
| CAPPED_DATA | 0 | eb->start | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &pool->lock |
fs/btrfs/send.c tree_compare_item() -> memcmp_extent_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | eb | 4096-ptr_max |
| PARAM_VALUE | 2 | start | 101-4294967396 |
| PARAM_VALUE | 3 | len | 0-s32max,18446744071562067968-u64max |
| CAPPED_DATA | 3 | len | 1 |
| DATA_SOURCE | 1 | ptrv | $2 |
| DATA_SOURCE | 3 | len | r btrfs_item_size |