rawdigits 3dea496c7f overlay/tio: KeepAlive poll-path readv/writev buffers too ...

The Poll fallback (used when IFF_VNET_HDR can't be enabled) has the
same unsafe-pointer-via-uintptr pattern as Offload.rawWrite:
readOne/writeOne build a [2]syscall.Iovec on the stack, pass it to
syscall.Syscall as uintptr, and the kernel then DMAs in/out of the
to/from slices whose Base pointers the iovec holds.

Escape analysis can't see that use, so under GC pressure the
backing memory could be collected or moved mid-syscall.

Add runtime.KeepAlive on the iovec and the user buffer around both
the SYS_READV and SYS_WRITEV syscalls. Same pattern and rationale
as the prior commit on the offload path.

2026-04-24 21:44:37 +00:00

..

container_gso_linux.go

fix tests

2026-04-23 11:35:51 -05:00

container_poll_linux.go

checkpt

2026-04-21 13:31:16 -05:00

tio_gso_linux.go

overlay/tio: KeepAlive writev iovec and payloads through the syscall

2026-04-24 21:40:51 +00:00

tio_poll_linux.go

overlay/tio: KeepAlive poll-path readv/writev buffers too

2026-04-24 21:44:37 +00:00

tio.go

checkpt

2026-04-21 13:31:16 -05:00

tun_file_linux_test.go

fix tests

2026-04-23 11:35:51 -05:00

tun_linux_offload_test.go

fix tests

2026-04-23 11:35:51 -05:00

tun_linux_offload.go

fix?

2026-04-24 16:27:23 -05:00

vnethdr_linux.go

checkpt

2026-04-21 13:31:16 -05:00