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Value sent through <code>mpsc::Permit</code> should be immediately dropped when receiver is already dropped

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

M-syncModule: tokio/syncModule: tokio/sync

Status: Open.

#7714 In tokio-rs/tokio;

· tabokie opened on Oct 28, 2025

Holding an OwnedPermit for mpsc deadlocks other senders, even when there are more free slots than permits

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

M-syncModule: tokio/syncModule: tokio/sync

S-waiting-on-authorStatus: awaiting some action (such as code changes) from the PR or issue author.Status: awaiting some action (such as code changes) from the PR or issue author.

Status: Open.

#7709 In tokio-rs/tokio;

· Pr0methean opened on Oct 24, 2025

Connecting to a dual-stack (ipv4 &amp; ipv6 available) endpoint can return EADDRNOTAVAIL

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

M-netModule: tokio/netModule: tokio/net

Status: Open.

#7708 In tokio-rs/tokio;

· mikekap opened on Oct 24, 2025

io: fix the hang-forever issue of <code>Mock</code> when the write buf is empty

A-tokio-testArea: The tokio-test crateArea: The tokio-test crate

C-bugCategory: This is a bug.Category: This is a bug.

I-hangProgram never terminates, resulting from infinite loops, deadlock, livelock, etc.Program never terminates, resulting from infinite loops, deadlock, livelock, etc.

M-ioModule: tokio/ioModule: tokio/io

Status: Open (in progress).

tokio-rs/tokionumber 7639

#7639 In tokio-rs/tokio;

· ADD-SP opened on Sep 21, 2025

pipe::Receiver::try_read may not read from non-empty pipe

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

M-netModule: tokio/netModule: tokio/net

Status: Open.

#7625 In tokio-rs/tokio;

· stepancheg opened on Sep 16, 2025

The AsyncFd in Tokio has a serious memory leak issue.

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

M-ioModule: tokio/ioModule: tokio/io

Status: Open.

#7563 In tokio-rs/tokio;

· silence-coding opened on Aug 30, 2025

Cannot build docs with --cfg docsrs --generate-link-to-definition

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

T-docsTopic: documentationTopic: documentation

Status: Open.

#7539 In tokio-rs/tokio;

· DaniPopes opened on Aug 17, 2025

[bug] handle.dump() Causes multi_thread issues (partially working or all sleeping)

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

M-taskdump--cfg tokio_taskdump--cfg tokio_taskdump

Status: Open.

#7478 In tokio-rs/tokio;

· duskfeng opened on Jul 23, 2025

Splitting a tokio-test Mock instance can cause deadlock/lockup

A-tokio-testArea: The tokio-test crateArea: The tokio-test crate

C-bugCategory: This is a bug.Category: This is a bug.

I-hangProgram never terminates, resulting from infinite loops, deadlock, livelock, etc.Program never terminates, resulting from infinite loops, deadlock, livelock, etc.

M-ioModule: tokio/ioModule: tokio/io

Status: Open.

#7445 In tokio-rs/tokio;

· brandonson opened on Jul 4, 2025

Valgrind reveals more file descriptor leaks

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

Status: Open.

#7399 In tokio-rs/tokio;

· marcbrevoort-cyberhive opened on Jun 9, 2025

<code>tokio::fs::File::write</code> returns early before OS says that the operation is completed

A-tokioArea: The main tokio crateArea: The main tokio crate

C-bugCategory: This is a bug.Category: This is a bug.

M-fsModule: tokio/fsModule: tokio/fs

T-docsTopic: documentationTopic: documentation

Status: Open.

#7378 In tokio-rs/tokio;

· Noratrieb opened on Jun 1, 2025

[docs] Codec Encoder and Decoder traits do not describe buffer management

A-tokio-utilArea: The tokio-util crateArea: The tokio-util crate

C-bugCategory: This is a bug.Category: This is a bug.

M-codecModule: tokio-util/codecModule: tokio-util/codec

Status: Open.

#7344 In tokio-rs/tokio;

· Firstyear opened on May 19, 2025