| aa1ec564-7065-47bf-bec9-7045c4f80556 |
assessment-security |
|
💥 |
memory leak in fbcon_set_font (3) |
2026/06/02 11:22 |
2026/06/02 11:22 |
2026/06/02 11:43 |
1095583bae1d2729a3b4be301cb6ddc85ced9e38 |
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/833d73ea7d9d32a86d135e64d3c998e10e2d3665" "-s" "bzImage" "compile_commands.json"]: exit status 2
Root cause:
scripts/clang-tools/gen_compile_commands.py:173: SyntaxWarning: invalid escape sequence '\#'
ld.lld: error: undefined symbol: wcslen
*
* Restart config...
*
*
* Mitigations for speculative execution vulnerabilities
*
Mitigations for speculative execution vulnerabilities (SPECULATION_MITIGATIONS) [Y/n/?] y
Remove the kernel mapping in user mode (PAGE_TABLE_ISOLATION) [N/y/?] n
Avoid speculative indirect branches in kernel (RETPOLINE) [N/y/?] n
Enable IBPB on kernel entry (CPU_IBPB_ENTRY) [Y/n/?] y
Enable IBRS on kernel entry (CPU_IBRS_ENTRY) [Y/n/?] y
Mitigate Straight-Line-Speculation (SLS) [N/y/?] (NEW)
Error in reading or end of file.
*
* General architecture-dependent options
*
Kprobes (KPROBES) [N/y/?] n
Optimize very unlikely/likely branches (JUMP_LABEL) [Y/n/?] y
Static key selftest (STATIC_KEYS_SELFTEST) [N/y/?] n
Static call selftest (STATIC_CALL_SELFTEST) [N/y/?] n
Enable seccomp to safely execute untrusted bytecode (SECCOMP) [Y/n/?] y
Show seccomp filter cache status in /proc/pid/seccomp_cache (SECCOMP_CACHE_DEBUG) [N/y/?] n
Link Time Optimization (LTO)
> 1. None (LTO_NONE)
choice[1]: 1
Use Clang's Control Flow Integrity (CFI) (CFI_CLANG) [N/y/?] (NEW)
Error in reading or end of file.
Number of bits to use for ASLR of mmap base address (ARCH_MMAP_RND_BITS) [28] 28
Number of bits to use for ASLR of mmap base address for compatible applications (ARCH_MMAP_RND_COMPAT_BITS) [8] 8
Provide system calls for 32-bit time_t (COMPAT_32BIT_TIME) [Y/n/?] y
Use a virtually-mapped stack (VMAP_STACK) [Y/n/?] y
Support for randomizing kernel stack offset on syscall entry (RANDOMIZE_KSTACK_OFFSET) [Y/n/?] y
Default state of kernel stack offset randomization (RANDOMIZE_KSTACK_OFFSET_DEFAULT) [N/y/?] n
Locking event counts collection (LOCK_EVENT_COUNTS) [N/y/?] n
*
* Memory initialization
*
Initialize kernel stack variables at function entry
> 1. no automatic stack variable initialization (weakest) (INIT_STACK_NONE)
2. pattern-init everything (strongest) (INIT_STACK_ALL_PATTERN) (NEW)
3. zero-init everything (strongest and safest) (INIT_STACK_ALL_ZERO) (NEW)
choice[1-3?]:
Error in reading or end of file.
Enable heap memory zeroing on allocation by default (INIT_ON_ALLOC_DEFAULT_ON) [Y/n/?] y
Enable heap memory zeroing on free by default (INIT_ON_FREE_DEFAULT_ON) [N/y/?] n
Enable register zeroing on function exit (ZERO_CALL_USED_REGS) [N/y/?] (NEW)
Error in reading or end of file.
*
* Kernel hardening options
*
Randomize layout of sensitive kernel structures
> 1. Disable structure layout randomization (RANDSTRUCT_NONE)
2. Fully randomize structure layout (RANDSTRUCT_FULL) (NEW)
choice[1-2?]:
Error in reading or end of file.
*
* Compile-time checks and compiler options
*
Debug information
1. Disable debug information (DEBUG_INFO_NONE)
2. Rely on the toolchain's implicit default DWARF version (DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT)
> 3. Generate DWARF Version 4 debuginfo (DEBUG_INFO_DWARF4)
4. Generate DWARF Version 5 debuginfo (DEBUG_INFO_DWARF5)
choice[1-4?]: 3
Reduce debugging information (DEBUG_INFO_REDUCED) [N/y/?] n
Compressed Debug information
> 1. Don't compress debug information (DEBUG_INFO_COMPRESSED_NONE)
2. Compress debugging information with zlib (DEBUG_INFO_COMPRESSED_ZLIB)
3. Compress debugging information with zstd (DEBUG_INFO_COMPRESSED_ZSTD) (NEW)
choice[1-3?]:
Error in reading or end of file.
Produce split debuginfo in .dwo files (DEBUG_INFO_SPLIT) [N/y/?] n
Generate BTF typeinfo (DEBUG_INFO_BTF) [N/y/?] n
Provide GDB scripts for kernel debugging (GDB_SCRIPTS) [N/y/?] n
Warn for stack frames larger than (FRAME_WARN) [2048] 2048
Strip assembler-generated symbols during link (STRIP_ASM_SYMS) [N/y/?] n
Install uapi headers to usr/include (HEADERS_INSTALL) [N/y/?] n
Make section mismatch errors |
| 29ef04b2-90f1-49c6-ad24-f6fc15f39ee8 |
assessment-security |
|
💥 |
memory leak in fbcon_set_font (3) |
2026/05/24 14:14 |
2026/05/24 14:14 |
2026/05/24 14:39 |
c69befb30ac10e158cc9d1557b508ee3f0eca1de |
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/833d73ea7d9d32a86d135e64d3c998e10e2d3665" "-s" "bzImage" "compile_commands.json"]: exit status 2
Root cause:
scripts/clang-tools/gen_compile_commands.py:173: SyntaxWarning: invalid escape sequence '\#'
ld.lld: error: undefined symbol: wcslen
*
* Restart config...
*
*
* Mitigations for speculative execution vulnerabilities
*
Mitigations for speculative execution vulnerabilities (SPECULATION_MITIGATIONS) [Y/n/?] y
Remove the kernel mapping in user mode (PAGE_TABLE_ISOLATION) [N/y/?] n
Avoid speculative indirect branches in kernel (RETPOLINE) [N/y/?] n
Enable IBPB on kernel entry (CPU_IBPB_ENTRY) [Y/n/?] y
Enable IBRS on kernel entry (CPU_IBRS_ENTRY) [Y/n/?] y
Mitigate Straight-Line-Speculation (SLS) [N/y/?] (NEW)
Error in reading or end of file.
*
* General architecture-dependent options
*
Kprobes (KPROBES) [N/y/?] n
Optimize very unlikely/likely branches (JUMP_LABEL) [Y/n/?] y
Static key selftest (STATIC_KEYS_SELFTEST) [N/y/?] n
Static call selftest (STATIC_CALL_SELFTEST) [N/y/?] n
Enable seccomp to safely execute untrusted bytecode (SECCOMP) [Y/n/?] y
Show seccomp filter cache status in /proc/pid/seccomp_cache (SECCOMP_CACHE_DEBUG) [N/y/?] n
Link Time Optimization (LTO)
> 1. None (LTO_NONE)
choice[1]: 1
Use Clang's Control Flow Integrity (CFI) (CFI_CLANG) [N/y/?] (NEW)
Error in reading or end of file.
Number of bits to use for ASLR of mmap base address (ARCH_MMAP_RND_BITS) [28] 28
Number of bits to use for ASLR of mmap base address for compatible applications (ARCH_MMAP_RND_COMPAT_BITS) [8] 8
Provide system calls for 32-bit time_t (COMPAT_32BIT_TIME) [Y/n/?] y
Use a virtually-mapped stack (VMAP_STACK) [Y/n/?] y
Support for randomizing kernel stack offset on syscall entry (RANDOMIZE_KSTACK_OFFSET) [Y/n/?] y
Default state of kernel stack offset randomization (RANDOMIZE_KSTACK_OFFSET_DEFAULT) [N/y/?] n
Locking event counts collection (LOCK_EVENT_COUNTS) [N/y/?] n
*
* Memory initialization
*
Initialize kernel stack variables at function entry
> 1. no automatic stack variable initialization (weakest) (INIT_STACK_NONE)
2. pattern-init everything (strongest) (INIT_STACK_ALL_PATTERN) (NEW)
3. zero-init everything (strongest and safest) (INIT_STACK_ALL_ZERO) (NEW)
choice[1-3?]:
Error in reading or end of file.
Enable heap memory zeroing on allocation by default (INIT_ON_ALLOC_DEFAULT_ON) [Y/n/?] y
Enable heap memory zeroing on free by default (INIT_ON_FREE_DEFAULT_ON) [N/y/?] n
Enable register zeroing on function exit (ZERO_CALL_USED_REGS) [N/y/?] (NEW)
Error in reading or end of file.
*
* Kernel hardening options
*
Randomize layout of sensitive kernel structures
> 1. Disable structure layout randomization (RANDSTRUCT_NONE)
2. Fully randomize structure layout (RANDSTRUCT_FULL) (NEW)
choice[1-2?]:
Error in reading or end of file.
*
* Compile-time checks and compiler options
*
Debug information
1. Disable debug information (DEBUG_INFO_NONE)
2. Rely on the toolchain's implicit default DWARF version (DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT)
> 3. Generate DWARF Version 4 debuginfo (DEBUG_INFO_DWARF4)
4. Generate DWARF Version 5 debuginfo (DEBUG_INFO_DWARF5)
choice[1-4?]: 3
Reduce debugging information (DEBUG_INFO_REDUCED) [N/y/?] n
Compressed Debug information
> 1. Don't compress debug information (DEBUG_INFO_COMPRESSED_NONE)
2. Compress debugging information with zlib (DEBUG_INFO_COMPRESSED_ZLIB)
3. Compress debugging information with zstd (DEBUG_INFO_COMPRESSED_ZSTD) (NEW)
choice[1-3?]:
Error in reading or end of file.
Produce split debuginfo in .dwo files (DEBUG_INFO_SPLIT) [N/y/?] n
Generate BTF typeinfo (DEBUG_INFO_BTF) [N/y/?] n
Provide GDB scripts for kernel debugging (GDB_SCRIPTS) [N/y/?] n
Warn for stack frames larger than (FRAME_WARN) [2048] 2048
Strip assembler-generated symbols during link (STRIP_ASM_SYMS) [N/y/?] n
Install uapi headers to usr/include (HEADERS_INSTALL) [N/y/?] n
Make section mismatch errors |