mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-22 17:55:57 +01:00
e4847e4b40
Also:
* fix fops.c on both kernels:
* 5.9: the out of space error code was 1 not 8
* 6.6: for whatever reason we can't read the user buffer as before on the
diagnostic print, it leads to segfault and oops
* create memfile.c which is like fops.c but of unlimited size
10 lines
257 B
Bash
Executable File
10 lines
257 B
Bash
Executable File
#!/bin/sh
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set -e
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f=/sys/kernel/debug/lkmc_seq_file_single_open
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mod="${1:-seq_file_single_open.ko}"
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shift
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insmod "$mod" "$@"
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[ "$(cat "$f")" = "$(printf 'ab\ncd\n')" ]
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[ "$(dd if="$f" bs=1 count=3 skip=1)" = "$(printf "b\nc\n")" ]
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rmmod seq_file_single_open
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