From 0af445c2f2c60e893f366520c293d393355a7432 Mon Sep 17 00:00:00 2001 From: Martin Stransky Date: Fri, 25 May 2018 15:54:30 +0200 Subject: Added fix for mozbz#1462640 - Sandbox disables eglGetDisplay() call on Wayland/EGL backend. --- rb245262.patch | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 rb245262.patch (limited to 'rb245262.patch') diff --git a/rb245262.patch b/rb245262.patch new file mode 100644 index 0000000..25550b5 --- /dev/null +++ b/rb245262.patch @@ -0,0 +1,29 @@ +diff --git a/security/sandbox/linux/SandboxFilter.cpp b/security/sandbox/linux/SandboxFilter.cpp +--- a/security/sandbox/linux/SandboxFilter.cpp ++++ b/security/sandbox/linux/SandboxFilter.cpp +@@ -1048,16 +1048,24 @@ public: + + case __NR_mprotect: + case __NR_brk: + case __NR_madvise: + // libc's realloc uses mremap (Bug 1286119); wasm does too (bug 1342385). + case __NR_mremap: + return Allow(); + ++ // Bug 1462640: Mesa libEGL uses mincore to test whether values ++ // are pointers, for reasons. ++ case __NR_mincore: { ++ Arg length(1); ++ return If(length == getpagesize(), Allow()) ++ .Else(SandboxPolicyCommon::EvaluateSyscall(sysno)); ++ } ++ + case __NR_sigaltstack: + return Allow(); + + #ifdef __NR_set_thread_area + case __NR_set_thread_area: + return Allow(); + #endif + + -- cgit