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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

kernel/ptrace.c compat_ptrace_request() -> ptrace_access_vm()

Type Parameter Key Value
PARAM_VALUE 2 buf 7835459308610367488
PARAM_VALUE 3 len 4
PARAM_VALUE 4 gup_flags 8
BUF_SIZE 2 buf 4
DATA_SOURCE 0 tsk $0
DATA_SOURCE 1 addr $2
USER_DATA 1 addr 0-u32max
UNITS 3 len unit_byte

kernel/ptrace.c compat_ptrace_request() -> ptrace_access_vm()

Type Parameter Key Value
PARAM_VALUE 3 len 4
PARAM_VALUE 4 gup_flags 9
BUF_SIZE 2 buf 4
DATA_SOURCE 0 tsk $0
DATA_SOURCE 1 addr $2
USER_DATA 1 addr 0-u32max
UNITS 3 len unit_byte

kernel/ptrace.c generic_ptrace_peekdata() -> ptrace_access_vm()

Type Parameter Key Value
PARAM_VALUE 0 tsk 4096-ptr_max
PARAM_VALUE 0 tsk->dl.rq->active_balance s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->clock_update_flags 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_enabled 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_forceidle_count 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_forceidle_occupation 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_forceidle_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_pick_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_sched_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_task_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->cpu s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->has_blocked_load 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->hrtick_sched 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->idle_balance 0-255
PARAM_VALUE 0 tsk->dl.rq->membarrier_state s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->nohz_idle_balance 0-255
PARAM_VALUE 0 tsk->dl.rq->nohz_tick_stopped 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_llc_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_numa_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_pinned 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_pref_llc_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_preferred_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->numa_migrate_on 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->online s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->push_busy 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->push_cpu s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->sched_count 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->sched_goidle 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->ticks_without_resched s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->ttwu_count 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->ttwu_local 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->ttwu_pending 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->uclamp_flags 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->yld_count 0-4294967295
PARAM_VALUE 0 tsk->jobctl 0,16777216-u64max
PARAM_VALUE 0 tsk->on_rq 0,2-255
PARAM_VALUE 0 tsk->pi_lock.dep_map->name 0-255
PARAM_VALUE 0 tsk->ptrace 1-u32max
PARAM_VALUE 0 tsk->sighand->siglock.rlock.dep_map->name 0-255
PARAM_VALUE 2 buf 6304787037246443520
PARAM_VALUE 3 len 8
PARAM_VALUE 4 gup_flags 8
BUF_SIZE 2 buf 8
CAPPED_DATA 0 tsk->parent 1
DATA_SOURCE 0 tsk $0
DATA_SOURCE 1 addr $1
USER_DATA 1 addr 0-u64max
UNITS 3 len unit_byte

kernel/ptrace.c generic_ptrace_pokedata() -> ptrace_access_vm()

Type Parameter Key Value
PARAM_VALUE 0 tsk 4096-ptr_max
PARAM_VALUE 0 tsk->dl.rq->active_balance s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->clock_update_flags 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_enabled 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_forceidle_count 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_forceidle_occupation 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_forceidle_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_pick_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_sched_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->core_task_seq 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->cpu s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->has_blocked_load 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->hrtick_sched 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->idle_balance 0-255
PARAM_VALUE 0 tsk->dl.rq->membarrier_state s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->nohz_idle_balance 0-255
PARAM_VALUE 0 tsk->dl.rq->nohz_tick_stopped 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_llc_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_numa_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_pinned 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_pref_llc_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_preferred_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->nr_running 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->numa_migrate_on 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->online s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->push_busy 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->push_cpu s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->sched_count 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->sched_goidle 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->ticks_without_resched s32min-s32max
PARAM_VALUE 0 tsk->dl.rq->ttwu_count 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->ttwu_local 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->ttwu_pending 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->uclamp_flags 0-4294967295
PARAM_VALUE 0 tsk->dl.rq->yld_count 0-4294967295
PARAM_VALUE 0 tsk->jobctl 0,16777216-u64max
PARAM_VALUE 0 tsk->on_rq 0,2-255
PARAM_VALUE 0 tsk->pi_lock.dep_map->name 0-255
PARAM_VALUE 0 tsk->ptrace 1-u32max
PARAM_VALUE 0 tsk->sighand->siglock.rlock.dep_map->name 0-255
PARAM_VALUE 3 len 8
PARAM_VALUE 4 gup_flags 9
BUF_SIZE 2 buf 8
CAPPED_DATA 0 tsk->parent 1
DATA_SOURCE 0 tsk $0
DATA_SOURCE 1 addr $1
USER_DATA 1 addr 0-u64max
UNITS 3 len unit_byte

kernel/ptrace.c ptrace_readdata() -> ptrace_access_vm()

Type Parameter Key Value
PARAM_VALUE 2 buf 1984762190753873920
PARAM_VALUE 3 len 1-128
PARAM_VALUE 4 gup_flags 8
BUF_SIZE 2 buf 128
DATA_SOURCE 0 tsk $0
DATA_SOURCE 1 addr $1 [m]
FUZZY_MAX 3 len 128
UNITS 3 len unit_byte

kernel/ptrace.c ptrace_writedata() -> ptrace_access_vm()

Type Parameter Key Value
PARAM_VALUE 2 buf 1988924303555706880
PARAM_VALUE 3 len 1-128
PARAM_VALUE 4 gup_flags 9
BUF_SIZE 2 buf 128
CAPPED_DATA 3 len 1
DATA_SOURCE 0 tsk $0
DATA_SOURCE 1 addr $2 [m]
FUZZY_MAX 3 len 128
UNITS 3 len unit_byte
USER_PTR 2 buf