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Fix to VMAP virtual address leak

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Fujitsu: POSTK_DEBUG_TEMP_FIX_51
Refs: #1024
Change-Id: I1692ee4f004cb4d1f725baf47a8ed31fce1bf42a
This commit is contained in:
Tomoki Shirasawa
2018-07-11 10:34:12 +09:00
committed by Masamichi Takagi
parent 3d365b0d7a
commit 67ebcca74d
16 changed files with 631 additions and 29 deletions
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6
arch/x86_64/kernel/memory.c
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@ -2850,7 +2850,7 @@ int read_process_vm(struct process_vm *vm, void *kdst, const void *usrc, size_t
"cpsize: %d\n", __FUNCTION__, to, pa, cpsize);
va = ihk_mc_map_virtual(pa, 1, PTATTR_ACTIVE);
memcpy(to, va, cpsize);
ihk_mc_unmap_virtual(va, 1, 1);
ihk_mc_unmap_virtual(va, 1);
}
else {
va = phys_to_virt(pa);
@ -2934,7 +2934,7 @@ int write_process_vm(struct process_vm *vm, void *udst, const void *ksrc, size_t
"pa: %p, cpsize: %d\n", __FUNCTION__, from, pa, cpsize);
va = ihk_mc_map_virtual(pa, 1, PTATTR_ACTIVE);
memcpy(va, from, cpsize);
ihk_mc_unmap_virtual(va, 1, 1);
ihk_mc_unmap_virtual(va, 1);
}
else {
va = phys_to_virt(pa);
@ -3005,7 +3005,7 @@ int patch_process_vm(struct process_vm *vm, void *udst, const void *ksrc, size_t
"pa: %p, cpsize: %d\n", __FUNCTION__, from, pa, cpsize);
va = ihk_mc_map_virtual(pa, 1, PTATTR_ACTIVE);
memcpy(va, from, cpsize);
ihk_mc_unmap_virtual(va, 1, 1);
ihk_mc_unmap_virtual(va, 1);
}
else {
va = phys_to_virt(pa);