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do_pageout: fix direct kernel-user access

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Change-Id: Ie02faca93fdb0d52d72e1f2aa1384a214c84ebff
Fujitsu: POSTK_DEBUG_ARCH_DEP_46
This commit is contained in:
Dominique Martinet
2019-01-29 16:45:35 +09:00
parent 36d473c5b5
commit a10f4b861c
2 changed files with 2 additions and 1 deletions
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2
kernel/pager.c
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@ -725,7 +725,7 @@ do_pageout(char *fname, void *buf, size_t size, int flag)
return cc;
}
si->udata_buf = myalloc(si, UDATA_BUFSIZE);
si->swapfname = kmalloc(strlen(fname) + 1, IHK_MC_AP_NOWAIT);
si->swapfname = kmalloc(strlen_user(fname) + 1, IHK_MC_AP_NOWAIT);
if (si->swapfname == NULL) {
kfree(si);
ekprintf("do_pageout: Cannot allocate working memory in kmalloc\n");