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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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16
kernel/host.c
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@@ -306,7 +306,7 @@ int prepare_process_ranges_args_envs(struct thread *thread,
/* Only unmap remote address if it wasn't specified as an argument */
if (!args) {
ihk_mc_unmap_virtual(args_envs_r, args_envs_npages, 0);
ihk_mc_unmap_virtual(args_envs_r, args_envs_npages);
ihk_mc_unmap_memory(NULL, args_envs_rp, p->args_len);
}
flush_tlb();
@@ -341,7 +341,7 @@ int prepare_process_ranges_args_envs(struct thread *thread,
/* Only map remote address if it wasn't specified as an argument */
if (!envs) {
ihk_mc_unmap_virtual(args_envs_r, args_envs_npages, 0);
ihk_mc_unmap_virtual(args_envs_r, args_envs_npages);
ihk_mc_unmap_memory(NULL, args_envs_rp, p->envs_len);
}
flush_tlb();
@@ -449,7 +449,7 @@ static int process_msg_prepare_process(unsigned long rphys)
if((pn = kmalloc(sizeof(struct program_load_desc)
+ sizeof(struct program_image_section) * n,
IHK_MC_AP_NOWAIT)) == NULL){
ihk_mc_unmap_virtual(p, npages, 0);
ihk_mc_unmap_virtual(p, npages);
ihk_mc_unmap_memory(NULL, phys, sz);
return -ENOMEM;
}
@@ -460,7 +460,7 @@ static int process_msg_prepare_process(unsigned long rphys)
(unsigned long *)&p->cpu_set,
sizeof(p->cpu_set))) == NULL) {
kfree(pn);
ihk_mc_unmap_virtual(p, npages, 1);
ihk_mc_unmap_virtual(p, npages);
ihk_mc_unmap_memory(NULL, phys, sz);
return -ENOMEM;
}
@@ -542,14 +542,14 @@ static int process_msg_prepare_process(unsigned long rphys)
kfree(pn);
ihk_mc_unmap_virtual(p, npages, 1);
ihk_mc_unmap_virtual(p, npages);
ihk_mc_unmap_memory(NULL, phys, sz);
flush_tlb();
return 0;
err:
kfree(pn);
ihk_mc_unmap_virtual(p, npages, 1);
ihk_mc_unmap_virtual(p, npages);
ihk_mc_unmap_memory(NULL, phys, sz);
destroy_thread(thread);
return -ENOMEM;
@@ -653,7 +653,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
pp = ihk_mc_map_memory(NULL, packet->arg, sizeof(struct mcctrl_signal));
sp = (struct mcctrl_signal *)ihk_mc_map_virtual(pp, 1, PTATTR_WRITABLE | PTATTR_ACTIVE);
memcpy(&info, sp, sizeof(struct mcctrl_signal));
ihk_mc_unmap_virtual(sp, 1, 0);
ihk_mc_unmap_virtual(sp, 1);
ihk_mc_unmap_memory(NULL, pp, sizeof(struct mcctrl_signal));
pckt.msg = SCD_MSG_SEND_SIGNAL_ACK;
pckt.err = 0;
@@ -726,7 +726,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
kprintf("%s: SCD_MSG_PERF_CTRL unexpected ctrl_type\n", __FUNCTION__);
}
ihk_mc_unmap_virtual(pcd, 1, 0);
ihk_mc_unmap_virtual(pcd, 1);
ihk_mc_unmap_memory(NULL, pp, sizeof(struct perf_ctrl_desc));
pckt.msg = SCD_MSG_PERF_ACK;