tequilaOS/platform_system_core
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Avoid using thread cache in unwinder.

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Using  thread cache will cause SIGSEGV for 32bit+kernel4.9 device.

Bug: 190579082
Bug: 189803009

Test: run cts -m CtsSeccompHostTestCases
Change-Id: I47b13d02674aadbacd8dac36d8382eed0885413c
Merged-In: I47b13d02674aadbacd8dac36d8382eed0885413c
Signed-off-by: yidong zhang <yidong.zhang@amlogic.com>
(cherry picked from commit cbf7c466e6)
This commit is contained in:
yidong zhang 2021-06-24 17:51:56 +08:00 committed by Christopher Ferris
parent 91b351ea7b
commit 72d0f9b6e7
1 changed files with 3 additions and 0 deletions
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3
debuggerd/libdebuggerd/tombstone.cpp
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@ -593,6 +593,9 @@ void engrave_tombstone_ucontext(int tombstone_fd, int proto_fd, uint64_t abort_m
};
unwindstack::UnwinderFromPid unwinder(kMaxFrames, pid, unwindstack::Regs::CurrentArch());
auto process_memory =
unwindstack::Memory::CreateProcessMemoryCached(getpid());
unwinder.SetProcessMemory(process_memory);
if (!unwinder.Init()) {
async_safe_fatal("failed to init unwinder object");
}