Christian Brauner
994f016a7f
FOREACH_ARRAY declares 'i' as the iterator but the body passed 'd' (the
array base) to block_device_done(). Since mfree() leaves the field NULL
after the first call, element 0 is freed repeatedly while elements
1..N-1 leak their node, symlinks strv, model, vendor and subsystem.
The bug predates the sanitizer-instrumented callers. PR #41776's new
systemd-storage-block daemon runs blockdev_list() under ASan/LSan in
TEST-87-AUX-UTILS-VM and exposes it (15 allocs / 804 bytes leaked per
ListVolumes request). The fix also benefits repart and blockdev_list's
internal CLEANUP_ARRAY cleanup.
Follow-up for 9f6b2745ea
System and Service Manager
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