Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
block/blk-map.c bio_copy_kern() -> blk_rq_map_bio_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rq | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->__data_len | 0 |
| PARAM_VALUE | 0 | rq->__sector | u64max |
| PARAM_VALUE | 0 | rq->bio | 0 |
| PARAM_VALUE | 0 | rq->biotail | 0 |
| PARAM_VALUE | 0 | rq->phys_gap_bit | 0 |
| PARAM_VALUE | 0 | rq->q | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->prev | 4096-ptr_max |
| PARAM_VALUE | 2 | gfp_mask | 3072,3264 |
| CAPPED_DATA | 0 | rq->q | 1 |
| DATA_SOURCE | 0 | rq | $0 |
| DATA_SOURCE | 2 | gfp_mask | $3 |
| NOSPEC | 0 | rq->biotail->bi_iter.bi_size | |
| HARD_MAX | 2 | gfp_mask | 3264 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | rq->biotail->bi_iter.bi_size | 0-1000000000 |
| USER_DATA | 0 | rq->biotail->bi_max_vecs | 0-4,16,64,128,256[c] |
| USER_DATA | 1 | nr_vecs | 0-s32max[c] |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.physical_block_size | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->q_usage_counter.percpu_count_ptr | |
| UNITS | 1 | nr_vecs | unit_page |
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | &vblk->vdev_mutex |
block/blk-map.c bio_copy_user_iov() -> blk_rq_map_bio_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rq | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->__sector | u64max |
| PARAM_VALUE | 0 | rq->bio | 0,4096-ptr_max |
| PARAM_VALUE | 0 | rq->biotail | 0,4096-ptr_max |
| PARAM_VALUE | 0 | rq->biotail->bi_crypt_context | 0 |
| PARAM_VALUE | 0 | rq->mq_hctx->type | 0-2 |
| PARAM_VALUE | 0 | rq->q | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->q->elevator->type->icq_align | 0,8 |
| PARAM_VALUE | 0 | rq->queuelist.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->prev | 4096-ptr_max |
| PARAM_VALUE | 1 | nr_vecs | 0-256 |
| PARAM_VALUE | 2 | gfp_mask | 3264,10240 |
| BUF_SIZE | 0 | rq->end_io_data | (-1),5504 |
| CAPPED_DATA | 0 | rq | 1 |
| CAPPED_DATA | 1 | nr_vecs | 1 |
| DATA_SOURCE | 0 | rq | $0 |
| DATA_SOURCE | 1 | nr_vecs | r bio_max_segs |
| DATA_SOURCE | 2 | gfp_mask | $3 |
| FUZZY_MAX | 2 | gfp_mask | 10240 |
| BIT_INFO | 2 | gfp_mask | 0x800,0x3fff |
| HARD_MAX | 2 | gfp_mask | 10240 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.io_min | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.physical_block_size | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->q_usage_counter.percpu_count_ptr |
block/blk-map.c bio_map_kern() -> blk_rq_map_bio_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rq | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->__data_len | 0 |
| PARAM_VALUE | 0 | rq->__sector | u64max |
| PARAM_VALUE | 0 | rq->bio | 0 |
| PARAM_VALUE | 0 | rq->biotail | 0 |
| PARAM_VALUE | 0 | rq->phys_gap_bit | 0 |
| PARAM_VALUE | 0 | rq->q | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->prev | 4096-ptr_max |
| PARAM_VALUE | 1 | nr_vecs | 1-1048577 |
| PARAM_VALUE | 2 | gfp_mask | 3072,3264 |
| CAPPED_DATA | 0 | rq->q | 1 |
| DATA_SOURCE | 0 | rq | $0 |
| DATA_SOURCE | 1 | nr_vecs | r bio_add_max_vecs |
| DATA_SOURCE | 2 | gfp_mask | $3 |
| NOSPEC | 0 | rq->biotail->bi_iter.bi_size | |
| HARD_MAX | 2 | gfp_mask | 3264 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | rq->biotail->bi_iter.bi_size | 0-1000000000 |
| USER_DATA | 0 | rq->biotail->bi_max_vecs | 0-4,16,64,128,256[c] |
| USER_DATA | 1 | nr_vecs | 1-524289[c] |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.physical_block_size | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->q_usage_counter.percpu_count_ptr | |
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | &vblk->vdev_mutex |
block/blk-map.c bio_map_user_iov() -> blk_rq_map_bio_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rq | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->__sector | u64max |
| PARAM_VALUE | 0 | rq->bio | 0,4096-ptr_max |
| PARAM_VALUE | 0 | rq->biotail | 0,4096-ptr_max |
| PARAM_VALUE | 0 | rq->biotail->bi_crypt_context | 0 |
| PARAM_VALUE | 0 | rq->mq_hctx->type | 0-2 |
| PARAM_VALUE | 0 | rq->q | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->q->elevator->type->icq_align | 0,8 |
| PARAM_VALUE | 0 | rq->queuelist.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->prev | 4096-ptr_max |
| PARAM_VALUE | 2 | gfp_mask | 3264,10240 |
| BUF_SIZE | 0 | rq->end_io_data | (-1),5504 |
| CAPPED_DATA | 0 | rq | 1 |
| CAPPED_DATA | 1 | nr_vecs | 1 |
| DATA_SOURCE | 0 | rq | $0 |
| DATA_SOURCE | 1 | nr_vecs | r iov_iter_npages |
| DATA_SOURCE | 2 | gfp_mask | $2 |
| FUZZY_MAX | 2 | gfp_mask | 10240 |
| BIT_INFO | 1 | nr_vecs | 0x0,0x7fffffff |
| BIT_INFO | 2 | gfp_mask | 0x800,0x3fff |
| NOSPEC | 0 | rq->__data_len | |
| NOSPEC | 0 | rq->biotail->bi_iter.bi_size | |
| HARD_MAX | 2 | gfp_mask | 10240 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | rq->__data_len | 0-1000000000 |
| USER_DATA | 0 | rq->biotail->bi_iter.bi_size | 0-u32max |
| USER_DATA | 0 | rq->biotail->bi_max_vecs | 0-4,16,64,128,256[c] |
| USER_DATA | 0 | rq->biotail->bi_next->bi_max_vecs | 0-4,16,64,128,256[c] |
| USER_DATA | 1 | nr_vecs | 1-524289[c] |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.io_min | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.physical_block_size | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->q_usage_counter.percpu_count_ptr |
block/blk-map.c blk_rq_map_user_bvec() -> blk_rq_map_bio_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | rq | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->__data_len | 0 |
| PARAM_VALUE | 0 | rq->__sector | u64max |
| PARAM_VALUE | 0 | rq->bio | 0 |
| PARAM_VALUE | 0 | rq->biotail | 0 |
| PARAM_VALUE | 0 | rq->mq_hctx->type | 0-2 |
| PARAM_VALUE | 0 | rq->phys_gap_bit | 0 |
| PARAM_VALUE | 0 | rq->q | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->q->elevator->type->icq_align | 0,8 |
| PARAM_VALUE | 0 | rq->queuelist.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | rq->queuelist.prev->prev | 4096-ptr_max |
| PARAM_VALUE | 1 | nr_vecs | 0 |
| PARAM_VALUE | 2 | gfp_mask | 3264 |
| BUF_SIZE | 0 | rq->end_io_data | (-1),5504 |
| DATA_SOURCE | 0 | rq | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.io_min | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.physical_block_size | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | rq->q->q_usage_counter.percpu_count_ptr |