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Land adrp #5566
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dvyukov
reviewed
Dec 3, 2024
dvyukov
reviewed
Dec 3, 2024
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Detect and report ADRP instructions in the linked binaries to avoid crashes inside SyzOS. See google#5565 for more context.
Apply __attribute__((noinline)) to SyzOS API command handlers to prevent overly optimizing them. While at it, rearrange specifiers in guest function declarations
Prevent the compiler from generating a jump table by replacing a switch with a series of if statements. This is ugly, but lets us work around crashes caused by google#5565
This is needed to be able to run alien binaries in tests under qemu-user
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dvyukov
previously approved these changes
Dec 5, 2024
Glob() doesn't work on 32-bit ARM when run on a 64-bit system under QEMU: https://gitlab.com/qemu-project/qemu/-/issues/263 Not sure whether this is specific to tests running under qemu-user, or the ARM32 executor in the wild as well.
Previously, cross-platform invocations of `syz-executor test` were ignored in the case of a SYZFAIL, and the test was still marked as PASS. Explicitly report a test failure instead.
Make sure regressions in guest code validation are reported during testing rather than fuzzing.
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dvyukov
approved these changes
Dec 5, 2024
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