modify_user_hw_breakpoint_check identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/hw_breakpoint.h, line 67 (as a prototype)

Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

kernel/events/core.c perf_event_modify_breakpoint() -> modify_user_hw_breakpoint_check()

Type	Parameter	Key	Value
PARAM_VALUE	0	bp	4096-ptr_max
PARAM_VALUE	0	bp->ctx->lock.dep_map->name	0-255
PARAM_VALUE	1	attr	8430341497750159360
PARAM_VALUE	1	attr->sample_max_stack	0,127
PARAM_VALUE	1	attr->size	0,144
PARAM_VALUE	2	check	1
BUF_SIZE	0	bp	s32min-(-1),1-s32max
BUF_SIZE	0	bp	s32min-(-1),1-s32max
CAPPED_DATA	0	bp	1
CAPPED_DATA	1	attr->type	1
DATA_SOURCE	0	bp	$0
DATA_SOURCE	1	attr	$1
HOST_DATA	0	bp->group_leader->hw->addr_filters_gen	0-u64max
HOST_DATA	0	bp->group_leader->hw->freq_count_stamp	0-u64max
HOST_DATA	0	bp->group_leader->hw->freq_time_stamp	0-u64max
HOST_DATA	0	bp->group_leader->hw->interrupts	0-u64max
HOST_DATA	0	bp->group_leader->hw->interrupts_seq	0-u64max
HOST_DATA	0	bp->group_leader->hw->sample_period	0-u64max
HOST_DATA	0	bp->group_leader->hw->state	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.aux_config	0-u64max
HOST_DATA	0	bp->group_leader->hw.aux_paused	0-u32max
HOST_DATA	0	bp->group_leader->hw.branch_reg.alloc	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.branch_reg.config	0-u64max
HOST_DATA	0	bp->group_leader->hw.branch_reg.idx	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.branch_reg.reg	0-u32max
HOST_DATA	0	bp->group_leader->hw.conf	0-u64max
HOST_DATA	0	bp->group_leader->hw.conf1	0-u64max
HOST_DATA	0	bp->group_leader->hw.config	0-u64max
HOST_DATA	0	bp->group_leader->hw.config1	0-u64max
HOST_DATA	0	bp->group_leader->hw.config_base	0-u64max
HOST_DATA	0	bp->group_leader->hw.dyn_constraint	0-u64max
HOST_DATA	0	bp->group_leader->hw.event_base	0-u64max
HOST_DATA	0	bp->group_leader->hw.event_base_rdpmc	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.extra_reg.alloc	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.extra_reg.config	0-u64max
HOST_DATA	0	bp->group_leader->hw.extra_reg.idx	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.extra_reg.reg	0-u32max
HOST_DATA	0	bp->group_leader->hw.flags	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.hrtimer._softexpires	s64min-s64max
HOST_DATA	0	bp->group_leader->hw.hrtimer.is_hard	0-1
HOST_DATA	0	bp->group_leader->hw.hrtimer.is_lazy	0-1
HOST_DATA	0	bp->group_leader->hw.hrtimer.is_queued	0-1
HOST_DATA	0	bp->group_leader->hw.hrtimer.is_rel	0-1
HOST_DATA	0	bp->group_leader->hw.hrtimer.is_soft	0-1
HOST_DATA	0	bp->group_leader->hw.hrtimer.node.expires	s64min-s64max
HOST_DATA	0	bp->group_leader->hw.hrtimer.node.node.node.__rb_parent_color	0-u64max
HOST_DATA	0	bp->group_leader->hw.idx	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.info.address	0-u64max
HOST_DATA	0	bp->group_leader->hw.info.len	0-255
HOST_DATA	0	bp->group_leader->hw.info.mask	0-u64max
HOST_DATA	0	bp->group_leader->hw.info.type	0-255
HOST_DATA	0	bp->group_leader->hw.iommu_bank	0-255
HOST_DATA	0	bp->group_leader->hw.iommu_cntr	0-255
HOST_DATA	0	bp->group_leader->hw.last_cpu	s32min-s32max
HOST_DATA	0	bp->group_leader->hw.last_period	0-u64max
HOST_DATA	0	bp->group_leader->hw.last_tag	0-u64max
HOST_DATA	0	bp->group_leader->hw.padding	0-u16max
HOST_DATA	0	bp->group_leader->hw.period_left.a.a.counter	s64min-s64max
HOST_DATA	0	bp->group_leader->hw.prev_count.a.a.counter	s64min-s64max
HOST_DATA	0	bp->group_leader->hw.ptsc	0-u64max
HOST_DATA	0	bp->group_leader->hw.pwr_acc	0-u64max
HOST_DATA	0	bp->group_leader->hw.saved_metric	0-u64max
HOST_DATA	0	bp->group_leader->hw.saved_slots	0-u64max
USER_DATA	0	bp->attr.sig_data	0-u64max
USER_DATA	1	attr->__reserved_2	0-u16max
USER_DATA	1	attr->aux_action	0-u32max
USER_DATA	1	attr->aux_sample_size	0-u32max
USER_DATA	1	attr->aux_watermark	0-u32max
USER_DATA	1	attr->bp_addr	0-u64max
USER_DATA	1	attr->bp_len	0-u64max
USER_DATA	1	attr->bp_type	0-u32max
USER_DATA	1	attr->branch_sample_type	0-u64max
USER_DATA	1	attr->clockid	s32min-s32max
USER_DATA	1	attr->config	0-u64max
USER_DATA	1	attr->config1	0-u64max
USER_DATA	1	attr->config2	0-u64max
USER_DATA	1	attr->config3	0-u64max
USER_DATA	1	attr->config4	0-u64max
USER_DATA	1	attr->kprobe_addr	0-u64max
USER_DATA	1	attr->kprobe_func	0-u64max
USER_DATA	1	attr->probe_offset	0-u64max
USER_DATA	1	attr->read_format	0-u64max
USER_DATA	1	attr->sample_freq	0-u64max
USER_DATA	1	attr->sample_max_stack	0,127
USER_DATA	1	attr->sample_period	0-u64max
USER_DATA	1	attr->sample_regs_intr	0-u64max
USER_DATA	1	attr->sample_regs_user	0-u64max
USER_DATA	1	attr->sample_stack_user	0-u32max
USER_DATA	1	attr->sample_type	0-u64max
USER_DATA	1	attr->sig_data	0-u64max
USER_DATA	1	attr->size	0,144
USER_DATA	1	attr->uprobe_path	0-u64max
USER_DATA	1	attr->wakeup_events	0-u32max
USER_DATA	1	attr->wakeup_watermark	0-u32max
HALF_LOCKED2		&event->child_mutex
HALF_LOCKED2	0	&bp->child_mutex
TYPE_LOCK		(struct perf_event)->child_mutex

kernel/events/hw_breakpoint.c modify_user_hw_breakpoint() -> modify_user_hw_breakpoint_check()

Type	Parameter	Key	Value
PARAM_VALUE	0	bp	4096-ptr_max
PARAM_VALUE	0	bp->active_list.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->active_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bp->addr_filters.list.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->addr_filters.lock.owner	(-1)
PARAM_VALUE	0	bp->addr_filters.lock.owner_cpu	u32max
PARAM_VALUE	0	bp->aux_event	0
PARAM_VALUE	0	bp->aux_event->addr_filters.list.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->aux_event->addr_filters.lock.owner	(-1)
PARAM_VALUE	0	bp->aux_event->addr_filters.lock.owner_cpu	u32max
PARAM_VALUE	0	bp->aux_event->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->callback_head.next	0
PARAM_VALUE	0	bp->aux_event->cgrp	0
PARAM_VALUE	0	bp->aux_event->ctx->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->ctx->task->rcu.func	1-u64max
PARAM_VALUE	0	bp->aux_event->ftrace_ops.func_hash->filter_hash	3175483717725929472
PARAM_VALUE	0	bp->aux_event->ftrace_ops.func_hash->notrace_hash	3175483717725929472
PARAM_VALUE	0	bp->aux_event->hw.addr_filters	0
PARAM_VALUE	0	bp->aux_event->hw.hrtimer.is_queued	0
PARAM_VALUE	0	bp->aux_event->hw.target->perf_ctx_data->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->hw.target->rcu.func	1-u64max
PARAM_VALUE	0	bp->aux_event->parent->addr_filters.list.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->aux_event->parent->addr_filters.lock.owner	(-1)
PARAM_VALUE	0	bp->aux_event->parent->addr_filters.lock.owner_cpu	u32max
PARAM_VALUE	0	bp->aux_event->parent->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->parent->ctx->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->parent->ctx->task->rcu.func	1-u64max
PARAM_VALUE	0	bp->aux_event->parent->ftrace_ops.func_hash->filter_hash	3175483717725929472
PARAM_VALUE	0	bp->aux_event->parent->ftrace_ops.func_hash->notrace_hash	3175483717725929472
PARAM_VALUE	0	bp->aux_event->parent->hw.target->perf_ctx_data->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->parent->hw.target->rcu.func	1-u64max
PARAM_VALUE	0	bp->aux_event->parent->pmu->module->refcnt.counter	0-s32max
PARAM_VALUE	0	bp->aux_event->parent->pmu_ctx->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->parent->pmu_ctx->pmu_ctx_entry.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->aux_event->parent->pmu_ctx->pmu_ctx_entry.prev->next	4096-ptr_max
PARAM_VALUE	0	bp->aux_event->parent->rb_entry.next	4096-ptr_max
PARAM_VALUE	0	bp->aux_event->parent->tp_event->data->put_work.flags	0-4294967295
PARAM_VALUE	0	bp->aux_event->parent->tp_event->data->put_work.is_hard	0-1
PARAM_VALUE	0	bp->aux_event->parent->tp_event->data->put_work.is_lazy	0-1
PARAM_VALUE	0	bp->aux_event->parent->tp_event->data->put_work.is_queued	0-1
PARAM_VALUE	0	bp->aux_event->parent->tp_event->data->put_work.is_soft	0-1
PARAM_VALUE	0	bp->aux_event->parent->tp_event->data->refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	bp->aux_event->parent->tp_event->data->status	0-2,128,130
PARAM_VALUE	0	bp->aux_event->parent->tp_event->module->refcnt.counter	0-s32max
PARAM_VALUE	0	bp->aux_event->pmu->module->refcnt.counter	0-s32max
PARAM_VALUE	0	bp->aux_event->pmu_ctx->callback_head.func	1-u64max
PARAM_VALUE	0	bp->aux_event->pmu_private	0
PARAM_VALUE	0	bp->aux_event->prog	0
PARAM_VALUE	0	bp->aux_event->rb	0
PARAM_VALUE	0	bp->aux_event->rb_entry.next	4096-ptr_max
PARAM_VALUE	0	bp->aux_event->security	0
PARAM_VALUE	0	bp->aux_event->tp_event->module->refcnt.counter	0-s32max
PARAM_VALUE	0	bp->callback_head.func	1-u64max
PARAM_VALUE	0	bp->callback_head.next	0
PARAM_VALUE	0	bp->child_list.next	4096-ptr_max
PARAM_VALUE	0	bp->child_list.next->next	4096-ptr_max
PARAM_VALUE	0	bp->child_list.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->child_list.prev	4096-ptr_max
PARAM_VALUE	0	bp->child_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bp->child_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	bp->ctx->lock.dep_map->name	0-255
PARAM_VALUE	0	bp->ctx->lock.owner	(-1)
PARAM_VALUE	0	bp->ctx->lock.owner_cpu	u32max
PARAM_VALUE	0	bp->event_entry.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->ftrace_ops.func_hash->filter_hash	3175483717725929472
PARAM_VALUE	0	bp->ftrace_ops.func_hash->notrace_hash	3175483717725929472
PARAM_VALUE	0	bp->group_index	0
PARAM_VALUE	0	bp->hw.addr_filters	0
PARAM_VALUE	0	bp->hw.target->perf_ctx_data->callback_head.func	1-u64max
PARAM_VALUE	0	bp->hw.target->rcu.func	1-u64max
PARAM_VALUE	0	bp->hw.target->rcu.next	0
PARAM_VALUE	0	bp->parent->addr_filters.list.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->parent->addr_filters.lock.owner	(-1)
PARAM_VALUE	0	bp->parent->addr_filters.lock.owner_cpu	u32max
PARAM_VALUE	0	bp->parent->callback_head.func	1-u64max
PARAM_VALUE	0	bp->parent->callback_head.next	0
PARAM_VALUE	0	bp->parent->cgrp	0
PARAM_VALUE	0	bp->parent->ctx->callback_head.func	1-u64max
PARAM_VALUE	0	bp->parent->ctx->task->rcu.func	1-u64max
PARAM_VALUE	0	bp->parent->ftrace_ops.func_hash->filter_hash	3175483717725929472
PARAM_VALUE	0	bp->parent->ftrace_ops.func_hash->notrace_hash	3175483717725929472
PARAM_VALUE	0	bp->parent->hw.addr_filters	0
PARAM_VALUE	0	bp->parent->hw.hrtimer.is_queued	0
PARAM_VALUE	0	bp->parent->hw.hrtimer.node.node.next	0
PARAM_VALUE	0	bp->parent->hw.hrtimer.node.node.prev	0
PARAM_VALUE	0	bp->parent->hw.target->perf_ctx_data->callback_head.func	1-u64max
PARAM_VALUE	0	bp->parent->hw.target->rcu.func	1-u64max
PARAM_VALUE	0	bp->parent->pmu->module->refcnt.counter	0-s32max
PARAM_VALUE	0	bp->parent->pmu_ctx->callback_head.func	1-u64max
PARAM_VALUE	0	bp->parent->pmu_ctx->pmu_ctx_entry.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->parent->pmu_ctx->pmu_ctx_entry.prev->next	4096-ptr_max
PARAM_VALUE	0	bp->parent->pmu_private	0
PARAM_VALUE	0	bp->parent->prog	0
PARAM_VALUE	0	bp->parent->rb	0
PARAM_VALUE	0	bp->parent->rb_entry.next	4096-ptr_max
PARAM_VALUE	0	bp->parent->security	0
PARAM_VALUE	0	bp->parent->tp_event->data->put_work.flags	0-4294967295
PARAM_VALUE	0	bp->parent->tp_event->data->put_work.is_hard	0-1
PARAM_VALUE	0	bp->parent->tp_event->data->put_work.is_lazy	0-1
PARAM_VALUE	0	bp->parent->tp_event->data->put_work.is_queued	0-1
PARAM_VALUE	0	bp->parent->tp_event->data->put_work.is_soft	0-1
PARAM_VALUE	0	bp->parent->tp_event->data->refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	bp->parent->tp_event->data->status	0-2,128,130
PARAM_VALUE	0	bp->parent->tp_event->module->refcnt.counter	0-s32max
PARAM_VALUE	0	bp->pmu->module->refcnt.counter	0-s32max
PARAM_VALUE	0	bp->pmu_ctx->callback_head.func	1-u64max
PARAM_VALUE	0	bp->pmu_ctx->callback_head.next	0
PARAM_VALUE	0	bp->pmu_ctx->ctx	0
PARAM_VALUE	0	bp->pmu_ctx->rotate_necessary	0
PARAM_VALUE	0	bp->pmu_private	0
PARAM_VALUE	0	bp->pmu_private->lock->owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	bp->pmu_private->lock.dep_map->name	0-255
PARAM_VALUE	0	bp->pmu_private->lock.owner	(-1)
PARAM_VALUE	0	bp->pmu_private->lock.owner_cpu	4294967295
PARAM_VALUE	0	bp->pmu_private->lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	bp->prog	0
PARAM_VALUE	0	bp->rb	0
PARAM_VALUE	0	bp->rb->user_page->cap_user_rdpmc	0-1
PARAM_VALUE	0	bp->rb->user_page->cap_user_time	0-1
PARAM_VALUE	0	bp->rb->user_page->cap_user_time_zero	0-1
PARAM_VALUE	0	bp->rb->user_page->index	0-4294967295
PARAM_VALUE	0	bp->rb->user_page->lock	0-4294967295
PARAM_VALUE	0	bp->rb->user_page->pmc_width	0-u16max
PARAM_VALUE	0	bp->rb->user_page->time_mult	0-4294967295
PARAM_VALUE	0	bp->rb->user_page->time_shift	0-u16max
PARAM_VALUE	0	bp->rb_entry.next	4096-ptr_max
PARAM_VALUE	0	bp->security	0
PARAM_VALUE	0	bp->sibling_list.next->prev	4096-ptr_max
PARAM_VALUE	0	bp->sibling_list.prev->next	4096-ptr_max
PARAM_VALUE	0	bp->tp_event->module->refcnt.counter	0-s32max
PARAM_VALUE	0	*bp->aux_event->parent->tp_event->tp->iterator	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*bp->aux_event->parent->tp_event->tp->static_call_key->func	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*bp->aux_event->tp_event->tp->iterator	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*bp->aux_event->tp_event->tp->static_call_key->func	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*bp->parent->tp_event->tp->iterator	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*bp->parent->tp_event->tp->static_call_key->func	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*bp->tp_event->tp->iterator	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*bp->tp_event->tp->static_call_key->func	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	1	attr	1999393905348517888,7294364977342070784
PARAM_VALUE	2	check	0
CAPPED_DATA	0	bp	1
DATA_SOURCE	0	bp	$0
DATA_SOURCE	1	attr	$1
USER_DATA	1	attr->bp_addr	0-u64max
USER_DATA	1	attr->disabled	0[c]