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Since Kernel 5.7 kallsyms_lookup_name is not longer exported so the module won't compile #10

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spielkind opened this issue Sep 14, 2021 · 3 comments
Open

Since Kernel 5.7 kallsyms_lookup_name is not longer exported so the module won't compile #10

spielkind opened this issue Sep 14, 2021 · 3 comments

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@spielkind
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Since Kernel 5.7 kallsyms_lookup_name is not longer exported so the module won't compile
torvalds/linux@0bd476e

❯ make
make CONFIG_TOA=m  -C /lib/modules/`uname -r`/build M=`pwd` modules EXTRA_CFLAGS="-DTOA_IPV6_ENABLE"
make[1]: Entering directory '/usr/lib/modules/5.14.3-arch1-1/build'
  CC [M]  /home/keutterling/dtag/git/github/TCP_option_address/src/toa.o
  MODPOST /home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers
ERROR: modpost: "kallsyms_lookup_name" [/home/keutterling/dtag/git/github/TCP_option_address/src/toa.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:150: /home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers] Error 1
make[2]: *** Deleting file '/home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers'
make[1]: *** [Makefile:1766: modules] Error 2
make[1]: Leaving directory '/usr/lib/modules/5.14.3-arch1-1/build'
make: *** [Makefile:8: default] Error 2
@netw0rm
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netw0rm commented Jul 3, 2022

have you installed linux-headers.

@hallelujah-shih
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Since Kernel 5.7 kallsyms_lookup_name is not longer exported so the module won't compile torvalds/linux@0bd476e

❯ make
make CONFIG_TOA=m  -C /lib/modules/`uname -r`/build M=`pwd` modules EXTRA_CFLAGS="-DTOA_IPV6_ENABLE"
make[1]: Entering directory '/usr/lib/modules/5.14.3-arch1-1/build'
  CC [M]  /home/keutterling/dtag/git/github/TCP_option_address/src/toa.o
  MODPOST /home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers
ERROR: modpost: "kallsyms_lookup_name" [/home/keutterling/dtag/git/github/TCP_option_address/src/toa.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:150: /home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers] Error 1
make[2]: *** Deleting file '/home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers'
make[1]: *** [Makefile:1766: modules] Error 2
make[1]: Leaving directory '/usr/lib/modules/5.14.3-arch1-1/build'
make: *** [Makefile:8: default] Error 2

https://lwn.net/Articles/813350/
看这意思，就是为了堵住这个口子，老哥解决了吗？

@Lxy12138
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Lxy12138 commented Jun 6, 2023

Since Kernel 5.7 kallsyms_lookup_name is not longer exported so the module won't compile torvalds/linux@0bd476e

❯ make
make CONFIG_TOA=m  -C /lib/modules/`uname -r`/build M=`pwd` modules EXTRA_CFLAGS="-DTOA_IPV6_ENABLE"
make[1]: Entering directory '/usr/lib/modules/5.14.3-arch1-1/build'
  CC [M]  /home/keutterling/dtag/git/github/TCP_option_address/src/toa.o
  MODPOST /home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers
ERROR: modpost: "kallsyms_lookup_name" [/home/keutterling/dtag/git/github/TCP_option_address/src/toa.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:150: /home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers] Error 1
make[2]: *** Deleting file '/home/keutterling/dtag/git/github/TCP_option_address/src/Module.symvers'
make[1]: *** [Makefile:1766: modules] Error 2
make[1]: Leaving directory '/usr/lib/modules/5.14.3-arch1-1/build'
make: *** [Makefile:8: default] Error 2

https://lwn.net/Articles/813350/ 看这意思，就是为了堵住这个口子，老哥解决了吗？

可以参考这个项目，https://github.com/4ltern4te/kallsyms_lookup_name_finder/blob/main/kallsyms_lookup_name_finder.c

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4 participants
@netw0rm @hallelujah-shih @spielkind @Lxy12138