Ivan Pravdin bc14153173 criu: fix log_keep_err signal deadlock ... When using pr_err in signal handler, locking is used in an unsafe manner. If another signal happens while holding the lock, deadlock can happen. To fix this, we can introduce mutex_trylock similar to pthread_mutex_trylock that returns immediately. Due to the fact that lock is used only for writing first_err, this change garantees that deadlock cannot happen. Fixes: #358 Signed-off-by: Ivan Pravdin <ipravdin.official@gmail.com>		2025-03-25 14:31:33 -07:00
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common	criu: fix log_keep_err signal deadlock	2025-03-25 14:31:33 -07:00
apparmor.h	check: add a feature test for apparmor_stacking	2021-09-03 10:31:00 -07:00