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seccomp: add riscv_flush_icache to allow list

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This system call is harmless because it only enforces ordering between stores
and instruction cache fetch.

fixed #24991
Related: https://github.com/felixonmars/archriscv-packages/issues/1840

Signed-off-by: Celeste Liu <CoelacanthusHex@gmail.com>
(cherry picked from commit 09925036cf)
This commit is contained in:
Celeste Liu 2022-10-16 10:47:17 +08:00 committed by Zbigniew Jędrzejewski-Szmek
parent 3028e05955
commit 8be601f7ef
1 changed files with 1 additions and 0 deletions
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src/shared/seccomp-util.c
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@ -334,6 +334,7 @@ const SyscallFilterSet syscall_filter_sets[_SYSCALL_FILTER_SET_MAX] = {
"pause\0" "pause\0"
"prlimit64\0" "prlimit64\0"
"restart_syscall\0" "restart_syscall\0"
"riscv_flush_icache\0"
"rseq\0" "rseq\0"
"rt_sigreturn\0" "rt_sigreturn\0"
"sched_getaffinity\0" "sched_getaffinity\0"