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39 lines
1.2 KiB
Plaintext
39 lines
1.2 KiB
Plaintext
1. install ubuntu 22.04 5.15.0-25
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2. apt-get install build-essential flex libncurses-dev linux-headers-generic linux-source libssl-dev bison yacc vim libelf-dev ...... and so on
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3. cp /lib/modules/5.15.0-25-generic/build/Module.symvers ./
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4. /boot/config-5.15.0-25-generic as .config make oldconfig
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5. make menuconfig
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1. close CONFIG_STACKPROTECTOR
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2. close CONFIG_RETPOLINE
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3. close CONFIG_UBSAN_BOUNDS
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4. close CONFIG_UBSAN_ENUM
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6. modify ./scripts/mod/modpost.c
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1. skip add_srcversion (just return)
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2. force add_retpoline (#ifdef --> #ifndef)
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3. force add_intree_flag
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7. make modules_prepare LOCALVERSION=-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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8. Append padding at the end of struct module <include/linux/module.h>
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struct module {
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enum module_state state;
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/* Member of list of modules */
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struct list_head list;
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/* Unique handle for this module */
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char name[MODULE_NAME_LEN];
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....
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char padding[1024];
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};
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This is because struct module size is different in different kernel versions or with different CONFIG item.
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9. make modules M=/home/dmpatch
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10. strip --strip-debug /home/dmpatch/dm_patch.ko
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