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Defined in 2 files as a function:

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Smatch caller information:

drivers/xen/sys-hypervisor.c hyp_sysfs_show() -> (struct hyp_sysfs_attr)->show()

Type Parameter Key Value
PARAM_VALUE 0 attr 4096-ptr_max
PARAM_VALUE 0 attr->show 1-u64max
PARAM_VALUE 1 buffer 1-u64max
CAPPED_DATA 1 buffer 1
DATA_SOURCE 1 buffer $2
CONTAINER 0 -40+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

kernel/bpf/bpf_iter.c bpf_seq_read() -> (struct seq_operations)->show()

Type Parameter Key Value
PARAM_VALUE 0 attr 4096-ptr_max
PARAM_VALUE 0 attr->buf 1-u64max
PARAM_VALUE 0 attr->count 0
PARAM_VALUE 0 attr->from 0
PARAM_VALUE 0 attr->lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 attr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 attr->lock.first_waiter->task->blocked_on 0
PARAM_VALUE 0 attr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 attr->lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.wait_lock.owner (-1)
PARAM_VALUE 0 attr->lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 attr->op 4096-ptr_max
PARAM_VALUE 1 buffer 1-ptr_max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr->buf 32768,u64max
CAPPED_DATA 0 &attr->lock 1
CONTAINER 0 -24-208+0 $(-1)
LOCK2 0 &attr->lock
TYPE_LOCK (struct seq_file)->lock

kernel/bpf/bpf_iter.c bpf_seq_read() -> (struct seq_operations)->show()

Type Parameter Key Value
PARAM_VALUE 0 attr 4096-ptr_max
PARAM_VALUE 0 attr->buf 1-u64max
PARAM_VALUE 0 attr->count 0
PARAM_VALUE 0 attr->from 0
PARAM_VALUE 0 attr->lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 attr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 attr->lock.first_waiter->task->blocked_on 0
PARAM_VALUE 0 attr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 attr->lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.wait_lock.owner (-1)
PARAM_VALUE 0 attr->lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 attr->op 4096-ptr_max
PARAM_VALUE 1 buffer 1-ptr_max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr->buf 32768,u64max
CAPPED_DATA 0 &attr->lock 1
CONTAINER 0 -24-208+0 $(-1)
PARAM_COMPARE 0 attr->count <= $0->size
LOCK2 0 &attr->lock
TYPE_LOCK (struct seq_file)->lock

fs/seq_file.c seq_read_iter() -> (struct seq_operations)->show()

Type Parameter Key Value
PARAM_VALUE 0 attr 4096-ptr_max
PARAM_VALUE 0 attr->buf 1-u64max
PARAM_VALUE 0 attr->count 0
PARAM_VALUE 0 attr->from 0
PARAM_VALUE 0 attr->lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 attr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 attr->lock.first_waiter->task->blocked_on 0
PARAM_VALUE 0 attr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 attr->lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.wait_lock.owner (-1)
PARAM_VALUE 0 attr->lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 attr->op 4096-ptr_max
PARAM_VALUE 1 buffer 1-ptr_max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr->buf (-1)-2147479552
CAPPED_DATA 0 &attr->lock 1
CONTAINER 0 -24-208+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 attr->read_pos 0-13442450941[c]
LOCK2 0 &attr->lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct seq_file)->lock

fs/seq_file.c seq_read_iter() -> (struct seq_operations)->show()

Type Parameter Key Value
PARAM_VALUE 0 attr 4096-ptr_max
PARAM_VALUE 0 attr->buf 1-u64max
PARAM_VALUE 0 attr->count 0-999999999
PARAM_VALUE 0 attr->from 0
PARAM_VALUE 0 attr->lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 attr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 attr->lock.first_waiter->task->blocked_on 0
PARAM_VALUE 0 attr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 attr->lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.wait_lock.owner (-1)
PARAM_VALUE 0 attr->lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 attr->op 4096-ptr_max
PARAM_VALUE 1 buffer 1-ptr_max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr->buf (-1)-2147479552
CAPPED_DATA 0 attr->count 1
CAPPED_DATA 0 &attr->lock 1
CONTAINER 0 -24-208+0 $(-1)
PARAM_COMPARE 0 attr->count != $0->size
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 attr->read_pos 0-13442450941[c]
LOCK2 0 &attr->lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct seq_file)->lock

fs/seq_file.c traverse() -> (struct seq_operations)->show()

Type Parameter Key Value
PARAM_VALUE 0 attr 4096-ptr_max
PARAM_VALUE 0 attr->buf 1-u64max
PARAM_VALUE 0 attr->count 0
PARAM_VALUE 0 attr->from 0
PARAM_VALUE 0 attr->index 0
PARAM_VALUE 0 attr->lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 attr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 attr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 attr->lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 attr->lock.wait_lock.owner (-1)
PARAM_VALUE 0 attr->lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 attr->op 4096-ptr_max
PARAM_VALUE 1 buffer 1-ptr_max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr s32min-(-2),1-s32max
BUF_SIZE 0 attr->buf (-1)-2147479552
DATA_SOURCE 0 attr $0
CONTAINER 0 -24-208+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &attr->lock
TYPE_LOCK (struct seq_file)->lock