30 lines
861 B
Diff
30 lines
861 B
Diff
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diff --git a/security/sandbox/linux/SandboxFilter.cpp b/security/sandbox/linux/SandboxFilter.cpp
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--- a/security/sandbox/linux/SandboxFilter.cpp
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+++ b/security/sandbox/linux/SandboxFilter.cpp
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@@ -1048,16 +1048,24 @@ public:
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case __NR_mprotect:
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case __NR_brk:
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case __NR_madvise:
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// libc's realloc uses mremap (Bug 1286119); wasm does too (bug 1342385).
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case __NR_mremap:
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return Allow();
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+ // Bug 1462640: Mesa libEGL uses mincore to test whether values
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+ // are pointers, for reasons.
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+ case __NR_mincore: {
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+ Arg<size_t> length(1);
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+ return If(length == getpagesize(), Allow())
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+ .Else(SandboxPolicyCommon::EvaluateSyscall(sysno));
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+ }
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+
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case __NR_sigaltstack:
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return Allow();
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#ifdef __NR_set_thread_area
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case __NR_set_thread_area:
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return Allow();
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#endif
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