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base-linux: let seccomp permit 'read'

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This is needed for using the 'wait_for_continue' debug mechanism.

Fixes #3798
This commit is contained in:
Norman Feske 2020-07-03 11:56:19 +02:00
parent 0e6c32f75e
commit 0310c733d5
4 changed files with 3 additions and 0 deletions
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tool/seccomp/seccomp_bpf_compiler.h
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@ -99,6 +99,9 @@ class Filter
_add_allow_rule(SCMP_SYS(fstat));
_add_allow_rule(SCMP_SYS(fstat64));
/* This syscall is used by the 'wait_for_continue' debug mechanism. */
_add_allow_rule(SCMP_SYS(read));
/* This syscall is used to wait for a condition. This should be safe. */
_add_allow_rule(SCMP_SYS(futex));