Defined in 1 files as a prototype:
Defined in 3 files as a function:
- mm/mmap.c, line 1077 (as a function)
- mm/nommu.c, line 1456 (as a function)
- tools/testing/vma/include/stubs.h, line 121 (as a function)
Referenced in 11 files:
- arch/parisc/kernel/vdso.c, line 88
- arch/powerpc/kernel/vdso.c, line 146
- arch/s390/kernel/vdso.c, line 73
- arch/sparc/vdso/vma.c, line 173
- arch/x86/entry/vdso/vma.c
- arch/x86/kernel/uprobes.c, line 1187
- fs/proc/vmcore.c
- ipc/shm.c, line 1827
- mm/mremap.c, line 1458
- mm/nommu.c, line 1524
- mm/util.c, line 1416
Smatch caller information:
arch/x86/entry/vdso/vma.c map_vdso() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->map_count | (-1)-s32max |
| PARAM_VALUE | 0 | mm->mmap_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.next | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.prev | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 3 | uf | 0 |
| CAPPED_DATA | 1 | start | 1 |
| CAPPED_DATA | 1 | start | 1 |
| NOSPEC | 1 | start | |
| NOSPEC | 1 | start | |
| RX_PATH | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | start | 24576-2147508223[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| UNITS | 2 | len | unit_byte |
| LOCK2 | 0 | &mm->mmap_lock | |
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
arch/x86/entry/vdso/vma.c map_vdso() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->map_count | (-1)-s32max |
| PARAM_VALUE | 0 | mm->mmap_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.next | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.prev | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 3 | uf | 0 |
| CAPPED_DATA | 1 | start | 1 |
| CAPPED_DATA | 1 | start | 1 |
| NOSPEC | 1 | start | |
| NOSPEC | 1 | start | |
| RX_PATH | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | start | 24576-2147508223[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| UNITS | 2 | len | unit_byte |
| LOCK2 | 0 | &mm->mmap_lock | |
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
arch/x86/entry/vdso/vma.c map_vdso() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->map_count | (-1)-s32max |
| PARAM_VALUE | 0 | mm->mmap_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.next | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.prev | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 1 | start | 0-18446744073709547520 |
| PARAM_VALUE | 2 | len | 16384 |
| PARAM_VALUE | 3 | uf | 0 |
| CAPPED_DATA | 1 | start | 1 |
| CAPPED_DATA | 1 | start | 1 |
| DATA_SOURCE | 1 | start | r get_unmapped_area |
| NOSPEC | 1 | start | |
| NOSPEC | 1 | start | |
| RX_PATH | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | start | 0-s32max[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| UNITS | 2 | len | unit_byte |
| LOCK2 | 0 | &mm->mmap_lock | |
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/util.c mmap_action_finish() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | len | 0,4096-18446744073709547520 |
| PARAM_VALUE | 3 | uf | 0 |
| BIT_INFO | 2 | len | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | len | 0x0,0xfffffffffffff000 |
| NOSPEC | 1 | start | |
| NOSPEC | 1 | start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | start | 0-18446744073709547520 |
| USER_DATA | 2 | len | 0,4096-18446744073709547520[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| UNITS | 2 | len | unit_byte |
mm/mremap.c mremap_to() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 3 | uf | 1097532445584617472 |
| BUF_SIZE | 3 | uf | (-1),16 |
| BUF_SIZE | 3 | uf | (-1),16 |
| NOSPEC | 2 | len | |
| NOSPEC | 2 | len | |
| USER_DATA | 1 | start | 0-u64max |
| USER_DATA | 2 | len | 0-u64max[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| UNITS | 2 | len | unit_byte |
| LOCK2 | &mm->mmap_lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
fs/proc/vmcore.c mmap_vmcore() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 3 | uf | 0 |
| NOSPEC | 1 | start | |
| NOSPEC | 1 | start | |
| NOSPEC | 2 | len | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | start | 0-18446744073709547520 |
| USER_DATA | 2 | len | 1-8589934588[c][u] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| UNITS | 2 | len | unit_byte |
| HALF_LOCKED2 | &ipcp->lock |
fs/proc/vmcore.c remap_oldmem_pfn_checked() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->hiwater_rss | 1-u64max |
| PARAM_VALUE | 2 | len | 0,4096-u64max |
| PARAM_VALUE | 3 | uf | 0 |
| DATA_SOURCE | 1 | start | $1 |
| FUZZY_MAX | 2 | len | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| UNITS | 2 | len | unit_byte |
| LOCK2 | global &vmcore_cb_srcu | ||
| HALF_LOCKED2 | &ipcp->lock |
arch/x86/kernel/uprobes.c __arch_uprobe_optimize() -> do_munmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mm_mt.ma_root | 1-u64max |
| PARAM_VALUE | 0 | mm->mmap_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.next | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->list.prev | 2624917664208203776 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 2 | len | 4096 |
| PARAM_VALUE | 3 | uf | 0 |
| CAPPED_DATA | 0 | mm->mm_mt.ma_root | 1 |
| DATA_SOURCE | 0 | mm | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | start | unit_byte |
| LOCK2 | 0 | &mm->mmap_lock | |
| TYPE_LOCK | (struct mm_struct)->mmap_lock |