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[FUZZ] Beaconfuzz_v2 crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20 in struct_proposer_slashing #82

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Daft-Wullie opened this issue Oct 2, 2020 · 5 comments
Closed
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[FUZZ] Beaconfuzz_v2 crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20 in struct_proposer_slashing #82

Daft-Wullie opened this issue Oct 2, 2020 · 5 comments
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crash confirmed Crash is confirmed and developers are notified duplicate This issue or pull request already exists prysm

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@Daft-Wullie
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I've done and provided the following:

  • Checked to see if any other [FUZZ] issue already refers to that crasher
  • Attached the crashing input (either attached to the issue as a .zip or .gz, or as a link to a file sharing service)
  • Noted the beacon-fuzz version or commit used.
  • Provided crash output
  • Noted the command or fuzzer used to generate the crash
  • Name of the original crash file
  • (Optional but optimal) Checked if the crash can be consistently replicated by re-running the input.

Info to Reproduce

  • Command run: e.g. make fuzz-proposer_slashing-struct

  • Crasher file name: crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20
    crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20.zip

  • Beaconstate to reproduce: a8d3de7f40c220fe927d3664d53e45ea.ssz

  • Client exercised: prysm(?)

  • Fuzzing engine used (if applicable): libfuzzer

Crash output and stacktrace

thread '<unnamed>' panicked at '[PRYSM] Mismatch post', /home/beacon-fuzz/beaconfuzz_v2/libs/prysm/src/proposer_slashing.rs:62:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Traceback (most recent call last, using override)
/home/nim-beacon-chain/vendor/nimbus-build-system/vendor/Nim/lib/system/excpt.nim(614) signalHandler
SIGABRT: Abnormal termination.
==405179== ERROR: libFuzzer: fuzz target exited
    #0 0x55c835749901  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xb8d901)
    #1 0x55c837baac80  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x2feec80)
    #2 0x55c837bbf9eb  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30039eb)
    #3 0x7f998bc14a26  (/lib/x86_64-linux-gnu/libc.so.6+0x49a26)
    #4 0x7f998bc14bdf  (/lib/x86_64-linux-gnu/libc.so.6+0x49bdf)
    #5 0x55c83597602c  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xdba02c)
    #6 0x7f998bc1120f  (/lib/x86_64-linux-gnu/libc.so.6+0x4620f)
    #7 0x7f998bc1118a  (/lib/x86_64-linux-gnu/libc.so.6+0x4618a)
    #8 0x7f998bbf0858  (/lib/x86_64-linux-gnu/libc.so.6+0x25858)
    #9 0x55c837c71866  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30b5866)
    #10 0x55c837c5ab55  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x309eb55)
    #11 0x55c837b9e1c6  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x2fe21c6)
    #12 0x55c837c61d97  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30a5d97)
    #13 0x55c835a29394  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xe6d394)
    #14 0x55c835a28f39  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xe6cf39)
    #15 0x55c835a29234  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xe6d234)
    #16 0x55c835a32579  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xe76579)
    #17 0x55c835a337fc  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xe777fc)
    #18 0x55c835862b8f  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xca6b8f)
    #19 0x55c8357eae08  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xc2ee08)
    #20 0x55c837b9e1f0  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x2fe21f0)
    #21 0x55c837b9de4f  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x2fe1e4f)
    #22 0x55c837bbfe4c  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x3003e4c)
    #23 0x55c837bc8000  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x300c000)
    #24 0x55c837bc89bc  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x300c9bc)
    #25 0x55c837bcadbf  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x300edbf)
    #26 0x55c837b9c399  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x2fe0399)
    #27 0x55c8356c64b6  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xb0a4b6)
    #28 0x7f998bbf20b2  (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
    #29 0x55c8356c665d  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xb0a65d)

SUMMARY: libFuzzer: fuzz target exited
MS: 1 CopyPart-; base unit: 4ea487b313195cbeef767b23c3bac5ebe73dc98f
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xa5,0x0,
\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa5\x00
artifact_prefix='/home/beacon-fuzz/beaconfuzz_v2/fuzz/artifacts/struct_proposer_slashing/'; Test unit written to /home/beacon-fuzz/beaconfuzz_v2/fuzz/artifacts/struct_proposer_slashing/crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20
Base64: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAKUA

────────────────────────────────────────────────────────────────────────────────

Failing input:

        fuzz/artifacts/struct_proposer_slashing/crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20

Output of `std::fmt::Debug`:

        ProposerSlashing {
            signed_header_1: SignedBeaconBlockHeader {
                message: BeaconBlockHeader {
                    slot: Slot(0),
                    proposer_index: 0,
                    parent_root: 0x0000000000000000000000000000000000000000000000000000000000000000,
                    state_root: 0x0000000000000000000000000000000000000000000000000000000000000000,
                    body_root: 0x0000000000000000000000000000000000000000000000000000000000000000,
                },
                signature: 0xa50000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000,
            },
            signed_header_2: SignedBeaconBlockHeader {
                message: BeaconBlockHeader {
                    slot: Slot(0),
                    proposer_index: 0,
                    parent_root: 0x0000000000000000000000000000000000000000000000000000000000000000,
                    state_root: 0x0000000000000000000000000000000000000000000000000000000000000000,
                    body_root: 0x0000000000000000000000000000000000000000000000000000000000000000,
                },
                signature: 0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000,
            },
        }

Reproduce with:

        cargo fuzz run struct_proposer_slashing fuzz/artifacts/struct_proposer_slashing/crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20

Minimize test case with:

        cargo fuzz tmin struct_proposer_slashing fuzz/artifacts/struct_proposer_slashing/crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20

re run crasher file with ETH2FUZZ_BEACONSTATE=../eth2fuzz/workspace/corpora/beaconstate cargo +nightly fuzz run struct_proposer_slashing fuzz/artifacts/struct_proposer_slashing/crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20
and got

    Finished release [optimized] target(s) in 0.43s
     Running `fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing -artifact_prefix=/home/beacon-fuzz/beaconfuzz_v2/fuzz/artifacts/struct_proposer_slashing/ fuzz/artifacts/struct_proposer_slashing/crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20`
INFO: Seed: 984804632
INFO: Loaded 1 modules   (201907 inline 8-bit counters): 201907 [0x560170464461, 0x560170495914),
INFO: Loaded 1 PC tables (201907 PCs): 201907 [0x560170495918,0x5601707aa448),
fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing: Running 1 inputs 1 time(s) each.
Running: fuzz/artifacts/struct_proposer_slashing/crash-8aca1b5ce295f678fb67bd5ea8bb36c13a0d7f20
ERRO[0018] Could not get rough time result: no reply     prefix=roughtime
ERRO[0018] Could not get rough time result: no reply     prefix=roughtime
ERRO[0018] Could not get rough time result: no reply     prefix=roughtime
ERRO[0018] Could not get rough time result: no reply     prefix=roughtime
ERRO[0018] Could not get rough time result: no reply     prefix=roughtime
ERRO[0018] Could not get rough time result: no reply     prefix=roughtime
ERRO[0018] Failed to calculate roughtime offset          error="no valid responses" prefix=roughtime
thread '<unnamed>' panicked at '[PRYSM] Mismatch post', /home/beacon-fuzz/beaconfuzz_v2/libs/prysm/src/proposer_slashing.rs:62:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Traceback (most recent call last, using override)
/home/nim-beacon-chain/vendor/nimbus-build-system/vendor/Nim/lib/system/excpt.nim(614) signalHandler
SIGABRT: Abnormal termination.
==418633== ERROR: libFuzzer: fuzz target exited
    #0 0x56016cdee901  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xc0c901)
    #1 0x56016f2a19b0  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30bf9b0)
    #2 0x56016f2b671b  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30d471b)
    #3 0x7f62790d8a26  (/lib/x86_64-linux-gnu/libc.so.6+0x49a26)
    #4 0x7f62790d8bdf  (/lib/x86_64-linux-gnu/libc.so.6+0x49bdf)
    #5 0x56016d02510c  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xe4310c)
    #6 0x7f62790d520f  (/lib/x86_64-linux-gnu/libc.so.6+0x4620f)
    #7 0x7f62790d518a  (/lib/x86_64-linux-gnu/libc.so.6+0x4618a)
    #8 0x7f62790b4858  (/lib/x86_64-linux-gnu/libc.so.6+0x25858)
    #9 0x56016f368846  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x3186846)
    #10 0x56016f351b35  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x316fb35)
    #11 0x56016f294ef6  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30b2ef6)
    #12 0x56016f358d77  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x3176d77)
    #13 0x56016d0d8454  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xef6454)
    #14 0x56016d0d7ff9  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xef5ff9)
    #15 0x56016d0d82f4  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xef62f4)
    #16 0x56016d0e1639  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xeff639)
    #17 0x56016d0e28bc  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xf008bc)
    #18 0x56016cf0d68f  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xd2b68f)
    #19 0x56016ce93e49  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xcb1e49)
    #20 0x56016f294f20  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30b2f20)
    #21 0x56016f294b7f  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30b2b7f)
    #22 0x56016f2b6b7c  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30d4b7c)
    #23 0x56016f287c89  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30a5c89)
    #24 0x56016f291a82  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x30afa82)
    #25 0x56016cd6b4b6  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xb894b6)
    #26 0x7f62790b60b2  (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
    #27 0x56016cd6b65d  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xb8965d)

SUMMARY: libFuzzer: fuzz target exited
────────────────────────────────────────────────────────────────────────────────

Error: Fuzz target exited with exit code: 77

Your Environment

  • Fuzzer ran: beaconfuzz_v2
  • Version/Commit used: f596b99
  • Operating System and version: Ubuntu 20.04
@Daft-Wullie Daft-Wullie mentioned this issue Oct 3, 2020
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@pventuzelo
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pventuzelo commented Oct 8, 2020 •
edited
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For analysis, here is a package with:

  • beacon.ssz
  • proposerslashing.ssz
  • prysm_post.ssz
  • output_beaconfuzzv2.txt

issue_82_proposer_slashing.zip

FYI,

  • lighthouse reject this proposerslashing processing with the error: ProposalsIdentical
  • prysm process the proposerslashing processing
  • nimbus reject the proposerslashing processing

You can reproduce with:

../beaconfuzz_v2 debug beacon.ssz proposerslashing.ssz proposerslashing

@pventuzelo pventuzelo added crash confirmed Crash is confirmed and developers are notified prysm labels Oct 8, 2020
@zedt3ster
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This to me looks like a duplicate of #74 , which was resolved in this PR. I'm not sure if the latest version of the pfuzz library was updated accordingly. @pventuzelo can you please rebuild the libraries and push an updated version? I suspect the one currently on master doesn't have the fix.

@pventuzelo
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@zedt3ster correct, with the new pfuzz lib everything is correct.
close as duplicate

thanks again @Daft-Wullie

@pventuzelo pventuzelo added the duplicate This issue or pull request already exists label Oct 27, 2020
@Daft-Wullie
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Daft-Wullie commented Nov 1, 2020 •
edited
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I just got this crash again with the same filename.i am on commit a990138 and i can reproduce it reliably.

thread '<unnamed>' panicked at '[TEKU] Mismatch post', /home/beacon-fuzz/beaconfuzz_v2/libs/teku/src/util.rs:166:17
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Traceback (most recent call last, using override)
/home/nimbus-eth2/vendor/nimbus-build-system/vendor/Nim/lib/system/excpt.nim(614) signalHandler
SIGABRT: Abnormal termination.
==1516179== ERROR: libFuzzer: fuzz target exited
    #0 0x55c3c5eec791  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xe45791)
    #1 0x55c3c89b7160  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x3910160)
    #2 0x55c3c89cbecb  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x3924ecb)
    #3 0x7f996f31ca26  (/lib/x86_64-linux-gnu/libc.so.6+0x49a26)
    #4 0x7f996f31cbdf  (/lib/x86_64-linux-gnu/libc.so.6+0x49bdf)
    #5 0x55c3c678039c  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x16d939c)
    #6 0x7f996f31920f  (/lib/x86_64-linux-gnu/libc.so.6+0x4620f)
    #7 0x7f996f31918a  (/lib/x86_64-linux-gnu/libc.so.6+0x4618a)
    #8 0x7f996f2f8858  (/lib/x86_64-linux-gnu/libc.so.6+0x25858)
    #9 0x55c3c8a84916  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x39dd916)
    #10 0x55c3c8a6d455  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x39c6455)
    #11 0x55c3c89aa6a6  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x39036a6)
    #12 0x55c3c8a752d5  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x39ce2d5)
    #13 0x55c3c605bdf4  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xfb4df4)
    #14 0x55c3c605a4b9  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xfb34b9)
    #15 0x55c3c605bc94  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xfb4c94)
    #16 0x55c3c61289d4  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x10819d4)
    #17 0x55c3c6124b36  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x107db36)
    #18 0x55c3c600e102  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xf67102)
    #19 0x55c3c5f91681  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xeea681)
    #20 0x55c3c89aa6d0  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x39036d0)
    #21 0x55c3c89aa32f  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x390332f)
    #22 0x55c3c89cc32c  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x392532c)
    #23 0x55c3c899d439  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x38f6439)
    #24 0x55c3c89a7232  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0x3900232)
    #25 0x55c3c5e69346  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xdc2346)
    #26 0x7f996f2fa0b2  (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
    #27 0x55c3c5e694ed  (/home/beacon-fuzz/beaconfuzz_v2/fuzz/target/x86_64-unknown-linux-gnu/release/struct_proposer_slashing+0xdc24ed)

SUMMARY: libFuzzer: fuzz target exited
────────────────────────────────────────────────────────────────────────────────

Error: Fuzz target exited with exit code: 77

@pventuzelo
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pventuzelo commented Nov 2, 2020 •
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@Daft-Wullie Can you open a new issue with just your comment inside (it's just to keep trace and split since it's not the same affected client).

Look like the same file is triggering an issue with teku this time @zedt3ster

@pventuzelo pventuzelo mentioned this issue Nov 4, 2020
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