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pagemap.h: fix missing pread offset

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Fix https://github.com/cirosantilli/linux-kernel-module-cheat/issues/125
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2020-07-23 01:00:00 +00:00
parent 12d5c9c947
commit cdf2875a61
2 changed files with 5 additions and 2 deletions
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5
README.adoc
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@@ -8173,7 +8173,10 @@ vaddr pfn soft-dirty file/shared swapped present library
7ffff78ec000 1fd4 0 1 0 1 /lib/libuClibc-1.0.30.so
....
Source: link:userland/linux/pagemap_dump.c[]
Source:
* link:userland/linux/pagemap_dump.c[]
* link:lkmc/pagemap.h[]
Adapted from: https://github.com/dwks/pagemap/blob/8a25747bc79d6080c8b94eac80807a4dceeda57a/pagemap2.c

2
lkmc/pagemap.h
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@@ -37,7 +37,7 @@ int lkmc_pagemap_get_entry(LkmcPagemapEntry *entry, int pagemap_fd, uintptr_t va
while (nread < sizeof(data)) {
ret = pread(
pagemap_fd,
&data,
((uint8_t*)&data) + nread,
sizeof(data) - nread,
vpn * sizeof(data) + nread
);