crash in libsofthsm2 on armhf after time_t transition

[Steve Langasek]

fixed one time_t bug in this library already, now there's another.

Found via the libp11 autopkgtests.

reproducer:

OPENSSL_CONF=/tmp/tmp.AHeazS4ed8/ssl.cnf openssl req -engine pkcs11 -new -key 'pkcs11:model=SoftHSM%20v2;object=test-key;pin-value=1234' -keyform engine -out /tmp/tmp.AHeazS4ed8/req.pem -text -x509 -subj /CN=libp11

Snippet of gdb output:

Program received signal SIGSEGV, Segmentation fault.
Downloading source file /usr/src/softhsm2-2.6.1-2.2ubuntu1/src/lib/slot_mgr/SlotManager.cpp
SlotManager::getSlot (this=0x0, slotID=slotID@entry=1150801720)
    at SlotManager.cpp:174
174 return slots.at(slotID);
(gdb) bt
#0 SlotManager::getSlot (this=0x0, slotID=slotID@entry=1150801720)
    at SlotManager.cpp:174
#1 0xf7b61b3c in SoftHSM::C_CloseAllSessions (this=0x4b6020,
    slotID=slotID@entry=1150801720) at SoftHSM.cpp:1386
#2 0xf7b4a522 in C_CloseAllSessions (slotID=1150801720) at main.cpp:347
#3 0xf7bc7ffe in pkcs11_slot_unref (slot=slot@entry=0x4d7610)
    at p11_slot.c:433
<snip>

'slotManager' is NULL.

[Launchpad Janitor (janitor)]

This bug was fixed in the package softhsm2 - 2.6.1-2.2ubuntu3

---------------
softhsm2 (2.6.1-2.2ubuntu3) noble; urgency=medium

  * No-change rebuild for CVE-2024-3094

 -- William Grant <email address hidden> Mon, 01 Apr 2024 15:47:06 +1100