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In GNUmakefile.llvm, several variables are unconditionally populated
by expanding $(LLVMVER) and $(LLVM_CONFIG) inside shell commands.
However, when LLVM is not present, both those variables are empty,
meaning that the shell commands end up malformed and emit harmless, but
noisy, errors like this one:
/bin/sh: --: invalid option
Usage: /bin/sh [GNU long option] [option] ...
/bin/sh [GNU long option] [option] script-file ...
GNU long options:
--debug
--debugger
--dump-po-strings
--dump-strings
--help
--init-file
--login
--noediting
--noprofile
--norc
--posix
--pretty-print
--rcfile
--rpm-requires
--restricted
--verbose
--version
Shell options:
-ilrsD or -c command or -O shopt_option (invocation only)
-abefhkmnptuvxBCHP or -o option
/bin/sh: line 1: test: -gt: unary operator expected
/bin/sh: line 1: test: -lt: unary operator expected
/bin/sh: line 1: test: -ge: unary operator expected
/bin/sh: line 1: test: -ge: unary operator expected
Fix the problem by only populating the "downstream" variables if the
upstream ones have values.
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Fixed AFL_FRIDA_INST_UNSTABLE_COVERAGE_FILE to work for instances that are not named "default"
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Fix LLVM mode on MacOS
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Fix FASAN operand access on aarch64
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push to stable
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Fixing change from PR#2152, misspelled variable names
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This reverts commit 7c380a6612f00e4a7ed02364dc2b3769e8edc8f8.
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check the sync_id length once
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Initialize max_length in afl_fsrv_init #2155
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Fix missed updates of alias table when INTROSPECTION is on
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Some fixups to the GNUmakefile.llvm
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In src/afl-fuzz.c `prev_queued_items` is used to decide whether the alias table should be recreated through the comparison with `afl->queued_items`.
https://github.com/AFLplusplus/AFLplusplus/blob/43f462c91b3699b66e4aa1c5703b30f5189b5618/src/afl-fuzz.c#L3103-L3117
However, this variable is also updated to `afl->queued_items` when INTROSPECTION is enabled and the `fuzz_one` appends seeds.
https://github.com/AFLplusplus/AFLplusplus/blob/43f462c91b3699b66e4aa1c5703b30f5189b5618/src/afl-fuzz.c#L3135-L3140
Due to the update of `prev_queued_items` when INTROSPECTION is on, alias table may not be recreated when it actually should be.
This can lead to potential heap buffer-overflow in `select_next_queue_entry` due to the lack of `afl_realloc` called in `create_alias_table`.
This patch fixes this bug by utilizing another variable for the INTROSPECTION part like other variables such as `prev_saved_tmouts`.
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IJON SET
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* rely less on the shell and more on GNU make to parse the versions
* fixed retrieval of minor version (for 18.1.8 it gave 8 instead of 1!)
* auto-detection of llvm-config within the supported version range
* replaced backticks by `$(...)` syntax
* tested against `busybox static-sh`, `bash`, `dash` and `csh`
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Incorrect shell syntax
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Replaced a Chinese comma "，" with an English comma "," to ensure the code runs correctly.
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Make fallthroughs explicit in afl-fuzz-extras.c
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Using `__attribute__((fallthrough))` makes fallthroughs explicit in a way the compiler can understand. This allows the enablement of `-Wimplicit-fallthrough`.
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Update README.md to reflect latest changes
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1. fixed hook name length to 16
2. no native debug logging at this time -- will bridge with AFL++ macros latter
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push to stable
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Adding of QEMU hooking bridge
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