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| author | Nardi Ivan <nardi.ivan@gmail.com> | 2023-02-23 14:33:41 +0100 |
|---|---|---|
| committer | Ivan Nardi <12729895+IvanNardi@users.noreply.github.com> | 2023-03-01 20:34:56 +0100 |
| commit | 9eb9664516aafb821097f049717c70e576ac18a6 (patch) | |
| tree | 8e9c884f9e8854501fa3bfefd03e93031ffb5a16 /example/reader_util.c | |
| parent | 127d8d0d352206d2fa3191a30a7491b3b1f3da00 (diff) | |
SoftEther: fix invalid memory access
We can't write `flow->protos` union until we are really sure about protocol
classification
```
==28334==ERROR: AddressSanitizer: SEGV on unknown address (pc 0x558db5554512 bp 0x000000000000 sp 0x7ffcb22c2880 T0)
==28334==The signal is caused by a READ memory access.
==28334==Hint: this fault was caused by a dereference of a high value address (see register values below). Disassemble the provided pc to learn which register was used.
#0 0x558db5554512 in __asan::Allocator::Deallocate(void*, unsigned long, unsigned long, __sanitizer::BufferedStackTrace*, __asan::AllocType) (/home/ivan/svnrepos/nDPI/fuzz/fuzz_process_packet+0x48e512) (BuildId: 2f71e395637a7b748f36d5a04c7281f18b1128d7)
#1 0x558db55ea54b in __interceptor_free (/home/ivan/svnrepos/nDPI/fuzz/fuzz_process_packet+0x52454b) (BuildId: 2f71e395637a7b748f36d5a04c7281f18b1128d7)
#2 0x558db56977ca in ndpi_free /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:274:7
#3 0x558db56c20e3 in ndpi_free_flow_data /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:5175:2
#4 0x558db569783f in ndpi_free_flow /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:8394:5
#5 0x558db5627936 in LLVMFuzzerTestOneInput /home/ivan/svnrepos/nDPI/fuzz/fuzz_process_packet.c:38:3
```
Found by oss-fuzz
See: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56272
Diffstat (limited to 'example/reader_util.c')
0 files changed, 0 insertions, 0 deletions