This bug was fixed in the package sssd - 2.10.1-2ubuntu2
---------------
sssd (2.10.1-2ubuntu2) plucky; urgency=medium
* Reintroduce faketime on armhf, it might be fixed now
(LP: #2059078)
-- Gianfranco Costamagna <locutusofb...@debian.org> Thu, 23 Jan 2025
14:16:44 +0100
** Changed in: sssd (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/2059078
Title:
proposed-migration for faketime 0.9.10-2.1ubuntu1
Status in bash package in Ubuntu:
Fix Released
Status in faketime package in Ubuntu:
Fix Released
Status in sssd package in Ubuntu:
Fix Released
Bug description:
faketime 0.9.10-2.1ubuntu1 is stuck in -proposed with build failures
on armhf.
On armhf, the testsuite confusingly fails with a stack smash error.
But this error happens in bash, which isn't even meant to be the
process under test.
Minimal reproducer:
# LD_PRELOAD=./src/libfaketime.so.1 bash -c 'exit 0'
*** stack smashing detected ***: terminated
Aborted (core dumped)
#
Confusingly, ltrace shows different results for the newly-built binary
than from one built without 64-bit time_t.
# LD_PRELOAD=./src/libfaketime.so.1 ltrace --library '*faketime*' bash -c
'exit 0'
bash->getrandom(0x1f3bf08, 1, 0x9683b0, 0) = 0xc8202
bash->getrandom(0xc8203, 0xf7fad53c, 1023, 0xf7eef801) = 0xc8202
*** stack smashing detected ***: terminated
--- SIGABRT (Aborted) ---
+++ killed by SIGABRT +++
# LD_PRELOAD=/usr/lib/arm-linux-gnueabihf/faketime/libfaketime.so.1 ltrace
--library '*faketime*' bash -c 'exit 0'
bash->gettimeofday(0x8b07a0, 0) = 0
bash->getpid() = 819717
bash->gettimeofday(0xffb88714, 0) = 0
bash->getpid() = 819717
bash->gettimeofday(0xffb8871c, 0) = 0
bash->getpid() = 819717
+++ exited (status 0) +++
#
Unsetting -DFAKE_RANDOM in debian/rules does not fix the problem
however.
So simply loading the LD_PRELOAD library without executing it seems to
be enough to break bash.
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