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(merge: 173868e 0d8dedf)
fix: dev: Only unlink from SIEVE LRU if it is still linked
authorOndřej Surý <ondrej@isc.org>
Tue, 4 Nov 2025 18:53:09 +0000 (19:53 +0100)
committerOndřej Surý <ondrej@isc.org>
Tue, 4 Nov 2025 18:53:09 +0000 (19:53 +0100)
commit28926f210e10a9c482ebba90a33875bd63dfb3b6
treeab31ba8ff42d2894746eec40a3b5dd38323e9d9ftree | snapshot
parent173868e38093efe234c5bf658dab05f7a063d56ecommit | diff
parent0d8dedf73b09943101ae8a412194276499eb402ecommit | diff
fix: dev: Only unlink from SIEVE LRU if it is still linked

Under the overmem conditions, the header could get unlinked from the
SIEVE LRU using a different path.  This could lead to double-unlink
which causes assertion failure.  Add a guard to ISC_SIEVE_UNLINK() to
unlink only still linked headers.

Closes #5606

Merge branch '5606-fix-assertion-failure-in-overmem-cleaning' into 'main'

See merge request isc-projects/bind9!11166
Mirror of https://gitlab.isc.org/isc-projects/bind9.git