105bef466a
Sanitized research log, build/reproducibility docs, DTS, kernel configs, patches, initramfs sources, bootchain migration plans and test logs. B5 direct boot PASS; B6 modem lifecycle in progress. No dumps, NV/EFS, vendor firmware or device identifiers included.
18 lines
1.7 KiB
Bash
Executable file
18 lines
1.7 KiB
Bash
Executable file
#!/bin/bash
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# Offline fault-injection copies of the candidate (in /tmp). Candidate itself untouched.
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set -e
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C=/home/q/doc/modem/jz08-aurora/b5b/cache-extlinux-mm1.img; D=/tmp/b5b-var; rm -rf $D; mkdir -p $D
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v(){ cp $C $D/$1.img; chmod u+w $D/$1.img; }
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v F1-no-conf; debugfs -w -R "rm /extlinux/extlinux.conf" $D/F1-no-conf.img
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v F2-no-kernel; debugfs -w -R "rm /Image.gz-dtb" $D/F2-no-kernel.img
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v F3-no-initrd; debugfs -w -R "rm /initramfs.cpio.gz" $D/F3-no-initrd.img
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v F4-no-dtb; debugfs -w -R "rm /aurora-mm1.dtb" $D/F4-no-dtb.img
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put(){ debugfs -w -R "rm $2" $D/$1.img; debugfs -w -R "write $3 $2" $D/$1.img; }
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printf "this is not an extlinux config\n" > $D/bad.conf; v F5-garbage-conf; put F5-garbage-conf /extlinux/extlinux.conf $D/bad.conf
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printf "default mm1\nlabel mm1\n\tlinux /Image.gz-dtb\n\tinitrd /initramfs.cpio.gz\n" > $D/nofdt.conf; v F6-no-fdt-line; put F6-no-fdt-line /extlinux/extlinux.conf $D/nofdt.conf
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sed "s/\$/\r/" ../extlinux.conf > $D/crlf.conf; v F7-crlf-conf; put F7-crlf-conf /extlinux/extlinux.conf $D/crlf.conf
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printf "default mm1\nlabel mm1\n\tlinux /Image.gz-dtb\n\tfdt /aurora-mm1.dtb\n\tinitrd /initramfs.cpio.gz\n\tappend x" > $D/nonl.conf; v F8-no-final-newline; put F8-no-final-newline /extlinux/extlinux.conf $D/nonl.conf
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{ printf "\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\x03"; head -c 8000000 /dev/zero | tr "\0" "\377"; } > $D/badk; v F9-corrupt-gzip-kernel; put F9-corrupt-gzip-kernel /Image.gz-dtb $D/badk
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head -c 134217728 /dev/zero > $D/F10-zeroed-cache.img
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cp $C $D/F11-bad-superblock.img; chmod u+w $D/F11-bad-superblock.img; printf "\x00\x00" | dd of=$D/F11-bad-superblock.img bs=1 seek=1080 conv=notrunc status=none
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ls $D/*.img
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