use-of-uninitialized-value in s_A85D_process()

```
==8==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x2da6f8c in s_A85D_process /src/ghostpdl/./base/sa85d.c:138:32
    #1 0x2d3fc2e in gs_scan_token /src/ghostpdl/./psi/iscan.c:611:26
    #2 0x2cecee4 in interp /src/ghostpdl/./psi/interp.c:1451:24
    #3 0x2cceb58 in gs_call_interp /src/ghostpdl/./psi/interp.c:520:12
    #4 0x2cccd98 in gs_interpret /src/ghostpdl/./psi/interp.c:477:12
    #5 0x547022 in gs_main_interpret /src/ghostpdl/./psi/imain.c:253:12
    #6 0x549792 in gs_main_run_string_end /src/ghostpdl/./psi/imain.c:791:12
    #7 0x547d07 in gs_main_run_string_with_length /src/ghostpdl/./psi/imain.c:735:12
    #8 0x538d8f in gs_main_run_string /src/ghostpdl/./psi/imain.c:716:12
    #9 0x346f844 in run_string /src/ghostpdl/./psi/imainarg.c:1119:12
    #10 0x3455be6 in swproc /src/ghostpdl/./psi/imainarg.c:366:20
    #11 0x345131f in gs_main_init_with_args01 /src/ghostpdl/./psi/imainarg.c:224:24
    #12 0x346e661 in gs_main_init_with_args /src/ghostpdl/./psi/imainarg.c:288:16
    #13 0x2c68b4c in psapi_init_with_args /src/ghostpdl/./psi/psapi.c:272:12
    #14 0x52b741 in gsapi_init_with_args /src/ghostpdl/./psi/iapi.c:148:12
    #15 0x526cdb in gs_to_raster_fuzz(unsigned char const*, unsigned long) /src/ghostpdl/fuzz/gstoraster_fuzzer.cc:97:8
    #16 0x525fb6 in LLVMFuzzerTestOneInput /src/ghostpdl/fuzz/gstoraster_fuzzer.cc:114:2
    #17 0x45b211 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:556:15
    #18 0x445e31 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:292:6
    #19 0x44baee in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:774:9
    #20 0x475c62 in main /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerMain.cpp:19:10
    #21 0x7ff58cf6282f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
    #22 0x41f1e8 in _start (/out/gstoraster_fuzzer+0x41f1e8)

Uninitialized value was created by a heap allocation
    #0 0x4d688d in malloc /src/llvm/projects/compiler-rt/lib/msan/msan_interceptors.cpp:925:3
    #1 0x176e172 in gs_heap_alloc_bytes /src/ghostpdl/./base/gsmalloc.c:191:34
    #2 0x40e1a89 in alloc_acquire_clump /src/ghostpdl/./base/gsalloc.c:2485:13
    #3 0x40c77a6 in alloc_add_clump /src/ghostpdl/./base/gsalloc.c:2435:19
    #4 0x40dc3dc in alloc_obj /src/ghostpdl/./base/gsalloc.c:2043:17
    #5 0x40aede4 in i_alloc_struct /src/ghostpdl/./base/gsalloc.c:1231:15
    #6 0x31921e5 in name_alloc_sub /src/ghostpdl/./psi/iname.c:496:11
    #7 0x318feb6 in names_init /src/ghostpdl/./psi/iname.c:102:20
    #8 0x5343d9 in gs_main_init1 /src/ghostpdl/./psi/imain.c:204:14
    #9 0x3466695 in swproc /src/ghostpdl/./psi/imainarg.c:772:29
    #10 0x345131f in gs_main_init_with_args01 /src/ghostpdl/./psi/imainarg.c:224:24
    #11 0x346e661 in gs_main_init_with_args /src/ghostpdl/./psi/imainarg.c:288:16
    #12 0x2c68b4c in psapi_init_with_args /src/ghostpdl/./psi/psapi.c:272:12
    #13 0x52b741 in gsapi_init_with_args /src/ghostpdl/./psi/iapi.c:148:12
    #14 0x526cdb in gs_to_raster_fuzz(unsigned char const*, unsigned long) /src/ghostpdl/fuzz/gstoraster_fuzzer.cc:97:8
    #15 0x525fb6 in LLVMFuzzerTestOneInput /src/ghostpdl/fuzz/gstoraster_fuzzer.cc:114:2
    #16 0x45b211 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:556:15
    #17 0x445e31 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:292:6
    #18 0x44baee in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:774:9
    #19 0x475c62 in main /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerMain.cpp:19:10

SUMMARY: MemorySanitizer: use-of-uninitialized-value /src/ghostpdl/./base/sa85d.c:138:32 in s_A85D_process
```

fix:https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=fd902c6702ef81008d7c91b09a0723661c0f9201

src-openEuler/ghostscript
关闭

内容风险标识

评论 (2)

src-openEuler/ghostscript关闭 .gitee-modal { width: 500px !important; }

内容风险标识