CARVIEW |
Select Language
HTTP/2 200
date: Sat, 19 Jul 2025 08:44:40 GMT
content-type: text/html; charset=utf-8
cache-control: max-age=0, private, must-revalidate
content-security-policy: default-src 'none'; base-uri 'self'; child-src github.githubassets.com github.com/assets-cdn/worker/ github.com/assets/ gist.github.com/assets-cdn/worker/; connect-src 'self' uploads.github.com www.githubstatus.com collector.github.com raw.githubusercontent.com api.github.com github-cloud.s3.amazonaws.com github-production-repository-file-5c1aeb.s3.amazonaws.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com github-production-user-asset-6210df.s3.amazonaws.com *.rel.tunnels.api.visualstudio.com wss://*.rel.tunnels.api.visualstudio.com objects-origin.githubusercontent.com copilot-proxy.githubusercontent.com proxy.individual.githubcopilot.com proxy.business.githubcopilot.com proxy.enterprise.githubcopilot.com *.actions.githubusercontent.com wss://*.actions.githubusercontent.com productionresultssa0.blob.core.windows.net/ productionresultssa1.blob.core.windows.net/ productionresultssa2.blob.core.windows.net/ productionresultssa3.blob.core.windows.net/ productionresultssa4.blob.core.windows.net/ productionresultssa5.blob.core.windows.net/ productionresultssa6.blob.core.windows.net/ productionresultssa7.blob.core.windows.net/ productionresultssa8.blob.core.windows.net/ productionresultssa9.blob.core.windows.net/ productionresultssa10.blob.core.windows.net/ productionresultssa11.blob.core.windows.net/ productionresultssa12.blob.core.windows.net/ productionresultssa13.blob.core.windows.net/ productionresultssa14.blob.core.windows.net/ productionresultssa15.blob.core.windows.net/ productionresultssa16.blob.core.windows.net/ productionresultssa17.blob.core.windows.net/ productionresultssa18.blob.core.windows.net/ productionresultssa19.blob.core.windows.net/ github-production-repository-image-32fea6.s3.amazonaws.com github-production-release-asset-2e65be.s3.amazonaws.com insights.github.com wss://alive.github.com api.githubcopilot.com api.individual.githubcopilot.com api.business.githubcopilot.com api.enterprise.githubcopilot.com; font-src github.githubassets.com; form-action 'self' github.com gist.github.com copilot-workspace.githubnext.com objects-origin.githubusercontent.com; frame-ancestors 'none'; frame-src viewscreen.githubusercontent.com notebooks.githubusercontent.com; img-src 'self' data: blob: github.githubassets.com media.githubusercontent.com camo.githubusercontent.com identicons.github.com avatars.githubusercontent.com private-avatars.githubusercontent.com github-cloud.s3.amazonaws.com objects.githubusercontent.com release-assets.githubusercontent.com secured-user-images.githubusercontent.com/ user-images.githubusercontent.com/ private-user-images.githubusercontent.com opengraph.githubassets.com copilotprodattachments.blob.core.windows.net/github-production-copilot-attachments/ github-production-user-asset-6210df.s3.amazonaws.com customer-stories-feed.github.com spotlights-feed.github.com objects-origin.githubusercontent.com *.githubusercontent.com; manifest-src 'self'; media-src github.com user-images.githubusercontent.com/ secured-user-images.githubusercontent.com/ private-user-images.githubusercontent.com github-production-user-asset-6210df.s3.amazonaws.com gist.github.com; script-src github.githubassets.com; style-src 'unsafe-inline' github.githubassets.com; upgrade-insecure-requests; worker-src github.githubassets.com github.com/assets-cdn/worker/ github.com/assets/ gist.github.com/assets-cdn/worker/
link: ; rel=preload; as=fetch; crossorigin=use-credentials
referrer-policy: no-referrer-when-downgrade
server-timing: issue_layout-fragment;desc="issue_layout fragment";dur=300.764778,issue_conversation_content-fragment;desc="issue_conversation_content fragment";dur=424.653715,issue_conversation_sidebar-fragment;desc="issue_conversation_sidebar fragment";dur=33.575568,nginx;desc="NGINX";dur=1.273001,glb;desc="GLB";dur=95.126063
strict-transport-security: max-age=31536000; includeSubdomains; preload
vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Accept,Accept-Encoding, Accept, X-Requested-With
x-content-type-options: nosniff
x-frame-options: deny
x-voltron-version: fd8fbbc
x-xss-protection: 0
server: github.com
content-encoding: gzip
accept-ranges: bytes
set-cookie: _gh_sess=1FyFUGyZqGLNVl6WFoUzNaLQ%2BXRuudlfTW9eVczZcXG2OuM3OF2WiVfkIj0JqSVy79%2FAwNvWuFgAsvEPVDnGIIVL0Z%2B0QchWRDWwHue7gUj41n19cD%2Fh4KaUSG7Hsc4cGg1o%2FdJ%2B3R7vfLth13myxRbKxBaLhhdKE%2Bx2sFZGMCb%2F6bXjoYaBolgHX%2FFDLt%2FHg9MEom8u2OSVCCioE01XsW%2BOhcoUybcg0c6LZNMCf8lvCDvz%2F0A8KXKbNKFlXlx%2BiIGKevxXRVdzeBfsi0VetQ%3D%3D--V14qzdlS51mto2tE--S88bRjdoeh8W%2BmiYrL%2FIKw%3D%3D; Path=/; HttpOnly; Secure; SameSite=Lax
set-cookie: _octo=GH1.1.1678269966.1752914680; Path=/; Domain=github.com; Expires=Sun, 19 Jul 2026 08:44:40 GMT; Secure; SameSite=Lax
set-cookie: logged_in=no; Path=/; Domain=github.com; Expires=Sun, 19 Jul 2026 08:44:40 GMT; HttpOnly; Secure; SameSite=Lax
x-github-request-id: B90C:249704:2BD4D8:37B012:687B5AF8
Panic on decoding crafted input: end drain index should be <= len · Issue #8 · main--/rust-lz-fear · GitHub
No one assignedNo labelsNo projectsNo milestoneNone yetNo branches or pull requests
Skip to content
Navigation Menu
{{ message }}
-
Notifications
You must be signed in to change notification settings - Fork 7
Closed
Description
Decoding the attached file using code from #5 results in a panic:
end drain index (is 33073) should be <= len (is 33058)
Input triggering the crash, gzipped so that github would accept the upload:
lz4-fear-drain-index-panic.lz4.gz
Backtrace:
thread '<unnamed>' panicked at 'end drain index (is 33073) should be <= len (is 33058)', src/liballoc/vec.rs:1331:13
stack backtrace:
0: backtrace::backtrace::libunwind::trace
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
1: backtrace::backtrace::trace_unsynchronized
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
2: std::sys_common::backtrace::_print_fmt
at src/libstd/sys_common/backtrace.rs:78
3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
at src/libstd/sys_common/backtrace.rs:59
4: core::fmt::write
at src/libcore/fmt/mod.rs:1069
5: std::io::Write::write_fmt
at src/libstd/io/mod.rs:1504
6: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:62
7: std::sys_common::backtrace::print
at src/libstd/sys_common/backtrace.rs:49
8: std::panicking::default_hook::{{closure}}
at src/libstd/panicking.rs:198
9: std::panicking::default_hook
at src/libstd/panicking.rs:218
10: libfuzzer_sys::initialize::{{closure}}
11: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:515
12: rust_begin_unwind
at src/libstd/panicking.rs:419
13: core::panicking::panic_fmt
at src/libcore/panicking.rs:111
14: alloc::vec::Vec<T>::drain::end_assert_failed
at src/liballoc/vec.rs:1331
15: lz_fear::framed::decompress::LZ4FrameReader<R>::decode_block
16: <lz_fear::framed::decompress::LZ4FrameIoReader<R> as std::io::Read>::read
17: rust_fuzzer_test_input
18: LLVMFuzzerTestOneInput
19: _ZN6fuzzer6Fuzzer15ExecuteCallbackEPKhm
20: _ZN6fuzzer10RunOneTestEPNS_6FuzzerEPKcm
21: _ZN6fuzzer12FuzzerDriverEPiPPPcPFiPKhmE
22: main
23: __libc_start_main
24: _start
Metadata
Metadata
Assignees
Labels
No labels
Projects
Milestone
Relationships
Development
Issue actions
You can’t perform that action at this time.