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…to fix CI This works around regressions from CVE-2026-5704 fixes in tar 1.35+dfsg-3ubuntu0.3. The symptom was: > # ./test.sh --no-make > tar: [..]/svn-repo: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db/current: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/format: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/fs-type: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/min-unpacked-rev: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/revprops: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db/revprops/0: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db/revprops/0/0: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/revs: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db/revs/0: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db/revs/0/0: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/transactions: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db/txn-current: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/txn-current-lock: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/txn-protorevs: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/db/uuid: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/db/write-lock: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/format: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/locks: Cannot mkdir: Invalid cross-device link > tar: [..]/svn-repo/locks/db-logs.lock: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/locks/db.lock: Cannot open: Invalid cross-device link > tar: [..]/svn-repo/README.txt: Cannot open: Invalid cross-device link > tar: Exiting with failure status due to previous errors
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PS: For anyone looking for a minimal reproducer with tar 1.35+dfsg-3ubuntu0.3: cd "$(mktemp -d)"
mkdir test
echo hello > test/file
tar cf test.tar test
tar xf test.tar --one-top-level="$PWD/out" |
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This works around regressions from CVE-2026-5704 fixes in tar 1.35+dfsg-3ubuntu0.3.
The symptom was:
CC @kirotawa @canonical-leosilvab @hannob