8000 sigaltstack wrong assert · Issue #11692 · google/gvisor · GitHub
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sigaltstack wrong assert #11692

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extio1 opened this issue May 5, 2025 · 0 comments
Open

sigaltstack wrong assert #11692

extio1 opened this issue May 5, 2025 · 0 comments
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@extio1
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extio1 commented May 5, 2025

Description

https://github.com/google/gvisor/blob/master/test/syscalls/linux/sigaltstack.cc#L178

assert EXPECT_LT(badhandler_low_water_mark, reinterpret_cast<char*>(stack.ss_sp) + 2 * SIGSTKSZ), but it seems to be that badhandler_low_water_mark can't be greater than static_cast<char*>(stack.ss_sp) + SIGSTKSZ or reinterpret_cast<char*>(stack_mem.data()) + 2 * SIGSTKSZ

i'm going to contribute the fix if this true

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