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Allow tkill
tkill and tgkill are syscalls that do not have glibc wrappers, but they are required in order to send a signal to a specific thread. Non-android software may call them directly with syscall(). Bionic provides a wrapper for tgkill, so seccomp allows it, but not for tkill. Add tkill to the whitelist. This can be reproduced with: sleep 1000 & sleep 1 ; strace -p $! then hit ctrl-C, and the shell will print "Bad system call" because the strace process died with SIGSYS Bug: 34586922 Test: repro case is fixed Change-Id: Ib6962a967f2cc757f2906de7905e75e1b6d6f39f
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