Issue 45635 in oss-fuzz: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl

Issue 45635 in oss-fuzz: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl

[ClusterFuzz-External via monorail]

Status: New
Owner: ----
CC: elfut...@sourceware.org, da...@adalogics.com, evv...@gmail.com, izzeem@google.com 
Labels: ClusterFuzz Reproducible Engine-libfuzzer OS-Linux Proj-elfutils Reported-2022-03-17
Type: Bug

New issue 45635 by ClusterFuzz-External: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45635

Detailed Report: https://oss-fuzz.com/testcase?key=5237809772888064

Project: elfutils
Fuzzing Engine: libFuzzer
Fuzz Target: fuzz-libdwfl
Job Type: libfuzzer_ubsan_elfutils
Platform Id: linux

Crash Type: Timeout (exceeds 60 secs)
Crash Address: 
Crash State:
  fuzz-libdwfl
  
Sanitizer: undefined (UBSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_elfutils&range=202203161800:202203170000

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5237809772888064

Issue filed automatically.

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Issue 45635 in oss-fuzz: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl

[da… via monorail]

Comment #1 on issue 45635 by da...@adalogics.com: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45635#c1

UBSAN report
Running: /mnt/scratch0/clusterfuzz/bot/inputs/fuzzer-testcases/timeout-2aaefec51e4f82909c4edd9ae287bf51b2eb6dd7
ALARM: working on the last Unit for 61 seconds
       and the timeout value is 60 (use -timeout=N to change)
==225963== ERROR: libFuzzer: timeout after 61 seconds
    #0 0x4b1a04 in __sanitizer_print_stack_trace /src/llvm-project/compiler-rt/lib/ubsan/ubsan_diag_standalone.cpp:31:3
    #1 0x457028 in fuzzer::PrintStackTrace() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtil.cpp:210:5
    #2 0x43c3f9 in fuzzer::Fuzzer::AlarmCallback() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:301:5
    #3 0x7f4c926dc3bf in libpthread.so.0
    #4 0x56b144 in read_long_names /src/elfutils/libelf/elf_begin.c:760:28
    #5 0x56b144 in __libelf_next_arhdr_wrlock /src/elfutils/libelf/elf_begin.c:912:8
    #6 0x56c6fb in dup_elf /src/elfutils/libelf/elf_begin.c:1061:10
    #7 0x56c6fb in lock_dup_elf /src/elfutils/libelf/elf_begin.c:1119:10
    #8 0x56c17e in elf_begin /src/elfutils/libelf/elf_begin.c:0
    #9 0x4b5782 in process_archive /src/elfutils/libdwfl/offline.c:251:17
    #10 0x4b5782 in process_file /src/elfutils/libdwfl/offline.c:125:14
    #11 0x4b5e9f in __libdwfl_report_offline /src/elfutils/libdwfl/offline.c:287:22
    #12 0x4b5e9f in dwfl_report_offline /src/elfutils/libdwfl/offline.c:316:10
    #13 0x4b2f88 in LLVMFuzzerTestOneInput /src/fuzz-libdwfl.c:47:22
    #14 0x43da32 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15
    #15 0x4295e2 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:324:6
    #16 0x42ee4c in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:860:9
    #17 0x4577e2 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
    #18 0x7f4c924d00b2 in __libc_start_main /build/glibc-eX1tMB/glibc-2.31/csu/libc-start.c:308:16
    #19 0x407d2d in _start
SUMMARY: libFuzzer: timeout

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Issue 45635 in oss-fuzz: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl

[da… via monorail]

Comment #2 on issue 45635 by da...@adalogics.com: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45635#c2

(No comment was entered for this change.)

Attachments:
	clusterfuzz-testcase-minimized-fuzz-libdwfl-5237809772888064  129 bytes

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Issue 45635 in oss-fuzz: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl

[ClusterFuzz-External via monorail]

Updates:
	Labels: ClusterFuzz-Verified
	Status: Verified

Comment #3 on issue 45635 by ClusterFuzz-External: elfutils:fuzz-libdwfl: Timeout in fuzz-libdwfl
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45635#c3

ClusterFuzz testcase 5237809772888064 is verified as fixed in https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_elfutils&range=202203210605:202203211200

If this is incorrect, please file a bug on https://github.com/google/oss-fuzz/issues/new

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